xref: /petsc/include/petscsys.h (revision e32f2f54e699d0aa6e733466c00da7e34666fe5e)
1d382aafbSBarry Smith /*
2d382aafbSBarry Smith    This is the main PETSc include file (for C and C++).  It is included by all
3d382aafbSBarry Smith    other PETSc include files, so it almost never has to be specifically included.
4d382aafbSBarry Smith */
56c7e564aSBarry Smith #if !defined(__PETSCSYS_H)
66c7e564aSBarry Smith #define __PETSCSYS_H
7d382aafbSBarry Smith /* ========================================================================== */
8d382aafbSBarry Smith /*
9d382aafbSBarry Smith    petscconf.h is contained in ${PETSC_ARCH}/include/petscconf.h it is
10d382aafbSBarry Smith    found automatically by the compiler due to the -I${PETSC_DIR}/${PETSC_ARCH}/include
11d382aafbSBarry Smith    in the conf/variables definition of PETSC_INCLUDE
12d382aafbSBarry Smith */
13d382aafbSBarry Smith #include "petscconf.h"
14d382aafbSBarry Smith #include "petscfix.h"
15d382aafbSBarry Smith 
16d382aafbSBarry Smith /* ========================================================================== */
17d382aafbSBarry Smith /*
18d382aafbSBarry Smith    This facilitates using C version of PETSc from C++ and
19e2e64c6bSBarry Smith    C++ version from C. Use --with-c-support --with-clanguage=c++ with ./configure for the latter)
20d382aafbSBarry Smith */
21d382aafbSBarry Smith #if defined(PETSC_CLANGUAGE_CXX) && !defined(PETSC_USE_EXTERN_CXX) && !defined(__cplusplus)
22d382aafbSBarry Smith #error "PETSc configured with --with-clanguage=c++ and NOT --with-c-support - it can be used only with a C++ compiler"
23d382aafbSBarry Smith #endif
24d382aafbSBarry Smith 
25d382aafbSBarry Smith #if defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus)
26d382aafbSBarry Smith #define PETSC_EXTERN_CXX_BEGIN extern "C" {
27d382aafbSBarry Smith #define PETSC_EXTERN_CXX_END  }
28d382aafbSBarry Smith #else
29d382aafbSBarry Smith #define PETSC_EXTERN_CXX_BEGIN
30d382aafbSBarry Smith #define PETSC_EXTERN_CXX_END
31d382aafbSBarry Smith #endif
32d382aafbSBarry Smith /* ========================================================================== */
33d382aafbSBarry Smith /*
34d382aafbSBarry Smith    Current PETSc version number and release date. Also listed in
35d382aafbSBarry Smith     Web page
36d382aafbSBarry Smith     src/docs/tex/manual/intro.tex,
37d382aafbSBarry Smith     src/docs/tex/manual/manual.tex.
38d382aafbSBarry Smith     src/docs/website/index.html.
39d382aafbSBarry Smith */
40d382aafbSBarry Smith #include "petscversion.h"
41d382aafbSBarry Smith #define PETSC_AUTHOR_INFO        "\
42d382aafbSBarry Smith        The PETSc Team\n\
43d382aafbSBarry Smith     petsc-maint@mcs.anl.gov\n\
44d382aafbSBarry Smith  http://www.mcs.anl.gov/petsc/\n"
45d382aafbSBarry Smith #if (PETSC_VERSION_RELEASE == 1)
46d382aafbSBarry Smith #define PetscGetVersion(version,len) (PetscSNPrintf(version,len,"Petsc Release Version %d.%d.%d, Patch %d, ", \
47d382aafbSBarry Smith                                          PETSC_VERSION_MAJOR,PETSC_VERSION_MINOR, PETSC_VERSION_SUBMINOR, \
48d382aafbSBarry Smith                                          PETSC_VERSION_PATCH),PetscStrcat(version,PETSC_VERSION_PATCH_DATE))
49d382aafbSBarry Smith #else
50d382aafbSBarry Smith #define PetscGetVersion(version,len) (PetscSNPrintf(version,len,"Petsc Development"), \
51d382aafbSBarry Smith                                          PetscStrcat(version," HG revision: "),PetscStrcat(version,PETSC_VERSION_HG), \
52d382aafbSBarry Smith                                          PetscStrcat(version," HG Date: "),PetscStrcat(version,PETSC_VERSION_DATE_HG))
53d382aafbSBarry Smith #endif
54d382aafbSBarry Smith 
55d382aafbSBarry Smith /*MC
56d382aafbSBarry Smith     PetscGetVersion - Gets the PETSc version information in a string.
57d382aafbSBarry Smith 
58d382aafbSBarry Smith     Input Parameter:
59d382aafbSBarry Smith .   len - length of the string
60d382aafbSBarry Smith 
61d382aafbSBarry Smith     Output Parameter:
62d382aafbSBarry Smith .   version - version string
63d382aafbSBarry Smith 
64d382aafbSBarry Smith     Level: developer
65d382aafbSBarry Smith 
66d382aafbSBarry Smith     Usage:
67d382aafbSBarry Smith     char version[256];
68d382aafbSBarry Smith     ierr = PetscGetVersion(version,256);CHKERRQ(ierr)
69d382aafbSBarry Smith 
70d382aafbSBarry Smith     Fortran Note:
71d382aafbSBarry Smith     This routine is not supported in Fortran.
72d382aafbSBarry Smith 
73d382aafbSBarry Smith .seealso: PetscGetProgramName()
74d382aafbSBarry Smith 
75d382aafbSBarry Smith M*/
76d382aafbSBarry Smith 
77d382aafbSBarry Smith /* ========================================================================== */
78d382aafbSBarry Smith 
79d382aafbSBarry Smith /*
80d382aafbSBarry Smith    Currently cannot check formatting for PETSc print statements because we have our
81d382aafbSBarry Smith    own format %D and %G
82d382aafbSBarry Smith */
83d382aafbSBarry Smith #undef  PETSC_PRINTF_FORMAT_CHECK
84d382aafbSBarry Smith #define PETSC_PRINTF_FORMAT_CHECK(a,b)
85d382aafbSBarry Smith #undef  PETSC_FPRINTF_FORMAT_CHECK
86d382aafbSBarry Smith #define PETSC_FPRINTF_FORMAT_CHECK(a,b)
87d382aafbSBarry Smith 
88d382aafbSBarry Smith /*
89e2e64c6bSBarry Smith    Fixes for ./configure time choices which impact our interface. Currently only
90d382aafbSBarry Smith    calling conventions and extra compiler checking falls under this category.
91d382aafbSBarry Smith */
92d382aafbSBarry Smith #if !defined(PETSC_STDCALL)
93d382aafbSBarry Smith #define PETSC_STDCALL
94d382aafbSBarry Smith #endif
95d382aafbSBarry Smith #if !defined(PETSC_TEMPLATE)
96d382aafbSBarry Smith #define PETSC_TEMPLATE
97d382aafbSBarry Smith #endif
98d382aafbSBarry Smith #if !defined(PETSC_HAVE_DLL_EXPORT)
99d382aafbSBarry Smith #define PETSC_DLL_EXPORT
100d382aafbSBarry Smith #define PETSC_DLL_IMPORT
101d382aafbSBarry Smith #endif
102d382aafbSBarry Smith #if !defined(PETSC_DLLEXPORT)
103d382aafbSBarry Smith #define PETSC_DLLEXPORT
104d382aafbSBarry Smith #endif
105d382aafbSBarry Smith #if !defined(PETSCVEC_DLLEXPORT)
106d382aafbSBarry Smith #define PETSCVEC_DLLEXPORT
107d382aafbSBarry Smith #endif
108d382aafbSBarry Smith #if !defined(PETSCMAT_DLLEXPORT)
109d382aafbSBarry Smith #define PETSCMAT_DLLEXPORT
110d382aafbSBarry Smith #endif
111d382aafbSBarry Smith #if !defined(PETSCDM_DLLEXPORT)
112d382aafbSBarry Smith #define PETSCDM_DLLEXPORT
113d382aafbSBarry Smith #endif
114d382aafbSBarry Smith #if !defined(PETSCKSP_DLLEXPORT)
115d382aafbSBarry Smith #define PETSCKSP_DLLEXPORT
116d382aafbSBarry Smith #endif
117d382aafbSBarry Smith #if !defined(PETSCSNES_DLLEXPORT)
118d382aafbSBarry Smith #define PETSCSNES_DLLEXPORT
119d382aafbSBarry Smith #endif
120d382aafbSBarry Smith #if !defined(PETSCTS_DLLEXPORT)
121d382aafbSBarry Smith #define PETSCTS_DLLEXPORT
122d382aafbSBarry Smith #endif
123d382aafbSBarry Smith #if !defined(PETSCFORTRAN_DLLEXPORT)
124d382aafbSBarry Smith #define PETSCFORTRAN_DLLEXPORT
125d382aafbSBarry Smith #endif
126d382aafbSBarry Smith /* ========================================================================== */
127d382aafbSBarry Smith 
128d382aafbSBarry Smith /*
129d382aafbSBarry Smith     Defines the interface to MPI allowing the use of all MPI functions.
130d382aafbSBarry Smith 
131d382aafbSBarry Smith     PETSc does not use the C++ binding of MPI at ALL. The following flag
132d382aafbSBarry Smith     makes sure the C++ bindings are not included. The C++ bindings REQUIRE
133d382aafbSBarry Smith     putting mpi.h before ANY C++ include files, we cannot control this
134d382aafbSBarry Smith     with all PETSc users. Users who want to use the MPI C++ bindings can include
135d382aafbSBarry Smith     mpicxx.h directly in their code
136d382aafbSBarry Smith */
137d382aafbSBarry Smith #define MPICH_SKIP_MPICXX 1
138d382aafbSBarry Smith #define OMPI_SKIP_MPICXX 1
139d382aafbSBarry Smith #include "mpi.h"
14065013866SBarry Smith 
141d382aafbSBarry Smith /*
142d382aafbSBarry Smith     Yuck, we need to put stdio.h AFTER mpi.h for MPICH2 with C++ compiler
143d382aafbSBarry Smith     see the top of mpicxx.h in the MPICH2 distribution.
144d382aafbSBarry Smith 
145d382aafbSBarry Smith     The MPI STANDARD HAS TO BE CHANGED to prevent this nonsense.
146d382aafbSBarry Smith */
147d382aafbSBarry Smith #include <stdio.h>
148d382aafbSBarry Smith 
149d382aafbSBarry Smith /* MSMPI on 32bit windows requires this yukky hack - that breaks MPI standard compliance */
150d382aafbSBarry Smith #if !defined(MPIAPI)
151d382aafbSBarry Smith #define MPIAPI
152d382aafbSBarry Smith #endif
153d382aafbSBarry Smith 
154d382aafbSBarry Smith /*MC
155d382aafbSBarry Smith     PetscErrorCode - datatype used for return error code from all PETSc functions
156d382aafbSBarry Smith 
157d382aafbSBarry Smith     Level: beginner
158d382aafbSBarry Smith 
159d382aafbSBarry Smith .seealso: CHKERRQ, SETERRQ
160d382aafbSBarry Smith M*/
161d382aafbSBarry Smith typedef int PetscErrorCode;
162d382aafbSBarry Smith 
163d382aafbSBarry Smith /*MC
164d382aafbSBarry Smith 
165503cfb0cSBarry Smith     PetscClassId - A unique id used to identify each PETSc class.
166d382aafbSBarry Smith          (internal integer in the data structure used for error
167d382aafbSBarry Smith          checking). These are all defined by an offset from the lowest
1680700a824SBarry Smith          one, PETSC_SMALLEST_CLASSID.
169d382aafbSBarry Smith 
170d382aafbSBarry Smith     Level: advanced
171d382aafbSBarry Smith 
1720700a824SBarry Smith .seealso: PetscClassIdRegister(), PetscLogEventRegister(), PetscHeaderCreate()
173d382aafbSBarry Smith M*/
1740700a824SBarry Smith typedef int PetscClassId;
175d382aafbSBarry Smith 
176d382aafbSBarry Smith /*MC
177c60ec953SBarry Smith     PetscLogEvent - id used to identify PETSc or user events which timed portions (blocks of executable)
178c60ec953SBarry Smith      code.
179d382aafbSBarry Smith 
180d382aafbSBarry Smith     Level: intermediate
181d382aafbSBarry Smith 
182d382aafbSBarry Smith .seealso: PetscLogEventRegister(), PetscLogEventBegin(), PetscLogEventEnd(), PetscLogStage
183d382aafbSBarry Smith M*/
184d382aafbSBarry Smith typedef int PetscLogEvent;
185d382aafbSBarry Smith 
186d382aafbSBarry Smith /*MC
187c60ec953SBarry Smith     PetscLogStage - id used to identify user stages (phases, sections) of runs - for logging
188d382aafbSBarry Smith 
189d382aafbSBarry Smith     Level: intermediate
190d382aafbSBarry Smith 
191d382aafbSBarry Smith .seealso: PetscLogStageRegister(), PetscLogStageBegin(), PetscLogStageEnd(), PetscLogEvent
192d382aafbSBarry Smith M*/
193d382aafbSBarry Smith typedef int PetscLogStage;
194d382aafbSBarry Smith 
195d382aafbSBarry Smith /*MC
196d382aafbSBarry Smith     PetscBLASInt - datatype used to represent 'int' parameters to BLAS/LAPACK functions.
197d382aafbSBarry Smith 
198d382aafbSBarry Smith     Level: intermediate
199d382aafbSBarry Smith 
200d382aafbSBarry Smith     Notes: usually this is the same as PetscInt, but if PETSc was built with --with-64-bit-indices but
2013b2a8c54SBarry Smith            standard C/Fortran integers are 32 bit then this is NOT the same as PetscInt it remains 32 bit
2023b2a8c54SBarry Smith            (except on very rare BLAS/LAPACK implementations that support 64 bit integers).
2033b2a8c54SBarry Smith 
2043b2a8c54SBarry Smith     PetscBLASIntCheck(a) checks if the given PetscInt a will fit in a PetscBLASInt, if not it generates a
2053b2a8c54SBarry Smith       PETSC_ERR_ARG_OUTOFRANGE.
2063b2a8c54SBarry Smith 
2073b2a8c54SBarry Smith     PetscBLASInt b = PetscBLASIntCast(a) checks if the given PetscInt a will fit in a PetscBLASInt, if not it
2083b2a8c54SBarry Smith       generates a PETSC_ERR_ARG_OUTOFRANGE
209d382aafbSBarry Smith 
210d382aafbSBarry Smith .seealso: PetscMPIInt, PetscInt
211d382aafbSBarry Smith 
212d382aafbSBarry Smith M*/
213d382aafbSBarry Smith typedef int PetscBLASInt;
214d382aafbSBarry Smith 
215d382aafbSBarry Smith /*MC
216d382aafbSBarry Smith     PetscMPIInt - datatype used to represent 'int' parameters to MPI functions.
217d382aafbSBarry Smith 
218d382aafbSBarry Smith     Level: intermediate
219d382aafbSBarry Smith 
220d382aafbSBarry Smith     Notes: usually this is the same as PetscInt, but if PETSc was built with --with-64-bit-indices but
2213b2a8c54SBarry Smith            standard C/Fortran integers are 32 bit then this is NOT the same as PetscInt it remains 32 bit
222d382aafbSBarry Smith 
2233b2a8c54SBarry Smith     PetscMPIIntCheck(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it generates a
224d382aafbSBarry Smith       PETSC_ERR_ARG_OUTOFRANGE.
225d382aafbSBarry Smith 
2263b2a8c54SBarry Smith     PetscMPIInt b = PetscMPIIntCast(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it
227d382aafbSBarry Smith       generates a PETSC_ERR_ARG_OUTOFRANGE
228d382aafbSBarry Smith 
229d382aafbSBarry Smith .seealso: PetscBLASInt, PetscInt
230d382aafbSBarry Smith 
231d382aafbSBarry Smith M*/
232d382aafbSBarry Smith typedef int PetscMPIInt;
233d382aafbSBarry Smith 
234d382aafbSBarry Smith /*MC
235d382aafbSBarry Smith     PetscEnum - datatype used to pass enum types within PETSc functions.
236d382aafbSBarry Smith 
237d382aafbSBarry Smith     Level: intermediate
238d382aafbSBarry Smith 
239d382aafbSBarry Smith     PetscMPIIntCheck(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it generates a
240d382aafbSBarry Smith       PETSC_ERR_ARG_OUTOFRANGE.
241d382aafbSBarry Smith 
242d382aafbSBarry Smith     PetscMPIInt b = PetscMPIIntCast(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it
243d382aafbSBarry Smith       generates a PETSC_ERR_ARG_OUTOFRANGE
244d382aafbSBarry Smith 
245d382aafbSBarry Smith .seealso: PetscOptionsGetEnum(), PetscOptionsEnum(), PetscBagRegisterEnum()
246d382aafbSBarry Smith M*/
247d382aafbSBarry Smith typedef enum { ENUM_DUMMY } PetscEnum;
248d382aafbSBarry Smith 
249d382aafbSBarry Smith /*MC
250d382aafbSBarry Smith     PetscInt - PETSc type that represents integer - used primarily to
2513b2a8c54SBarry Smith       represent size of arrays and indexing into arrays. Its size can be configured with the option
252d382aafbSBarry Smith       --with-64-bit-indices - to be either 32bit or 64bit [default 32 bit ints]
253d382aafbSBarry Smith 
254d382aafbSBarry Smith    Level: intermediate
255d382aafbSBarry Smith 
256d382aafbSBarry Smith .seealso: PetscScalar, PetscBLASInt, PetscMPIInt
257d382aafbSBarry Smith M*/
258d382aafbSBarry Smith #if defined(PETSC_USE_64BIT_INDICES)
259d382aafbSBarry Smith typedef long long PetscInt;
260d382aafbSBarry Smith #define MPIU_INT MPI_LONG_LONG_INT
261d382aafbSBarry Smith #else
262d382aafbSBarry Smith typedef int PetscInt;
263d382aafbSBarry Smith #define MPIU_INT MPI_INT
264d382aafbSBarry Smith #endif
265d382aafbSBarry Smith 
266503cfb0cSBarry Smith /*
267503cfb0cSBarry Smith     For the rare cases when one needs to send a size_t object with MPI
268503cfb0cSBarry Smith */
269d382aafbSBarry Smith #if (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_INT)
270d382aafbSBarry Smith #define MPIU_SIZE_T MPI_INT
271d382aafbSBarry Smith #elif  (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_LONG)
272d382aafbSBarry Smith #define MPIU_SIZE_T MPI_LONG
273d382aafbSBarry Smith #elif  (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_LONG_LONG)
274d382aafbSBarry Smith #define MPIU_SIZE_T MPI_LONG_LONG_INT
275d382aafbSBarry Smith #else
276d382aafbSBarry Smith #error "Unknown size for size_t! Send us a bugreport at petsc-maint@mcs.anl.gov"
277d382aafbSBarry Smith #endif
278d382aafbSBarry Smith 
279d382aafbSBarry Smith 
280d382aafbSBarry Smith /*
281d382aafbSBarry Smith       You can use PETSC_STDOUT as a replacement of stdout. You can also change
282d382aafbSBarry Smith     the value of PETSC_STDOUT to redirect all standard output elsewhere
283d382aafbSBarry Smith */
284d382aafbSBarry Smith 
285d382aafbSBarry Smith extern FILE* PETSC_STDOUT;
286d382aafbSBarry Smith 
287d382aafbSBarry Smith /*
288d382aafbSBarry Smith       You can use PETSC_STDERR as a replacement of stderr. You can also change
289d382aafbSBarry Smith     the value of PETSC_STDERR to redirect all standard error elsewhere
290d382aafbSBarry Smith */
291d382aafbSBarry Smith extern FILE* PETSC_STDERR;
292d382aafbSBarry Smith 
293d382aafbSBarry Smith /*
294d382aafbSBarry Smith       PETSC_ZOPEFD is used to send data to the PETSc webpage.  It can be used
295d382aafbSBarry Smith     in conjunction with PETSC_STDOUT, or by itself.
296d382aafbSBarry Smith */
297d382aafbSBarry Smith extern FILE* PETSC_ZOPEFD;
298d382aafbSBarry Smith 
299d382aafbSBarry Smith #if !defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus)
300d382aafbSBarry Smith /*MC
301d382aafbSBarry Smith       PetscPolymorphicSubroutine - allows defining a C++ polymorphic version of
302d382aafbSBarry Smith             a PETSc function that remove certain optional arguments for a simplier user interface
303d382aafbSBarry Smith 
304d382aafbSBarry Smith    Synopsis:
305d382aafbSBarry Smith    PetscPolymorphicSubroutine(Functionname,(arguments of C++ function),(arguments of C function))
306d382aafbSBarry Smith 
307eca87e8dSBarry Smith      Not collective
308eca87e8dSBarry Smith 
309d382aafbSBarry Smith    Level: developer
310d382aafbSBarry Smith 
311d382aafbSBarry Smith     Example:
312d382aafbSBarry Smith       PetscPolymorphicSubroutine(VecNorm,(Vec x,PetscReal *r),(x,NORM_2,r)) generates the new routine
313d382aafbSBarry Smith            PetscErrorCode VecNorm(Vec x,PetscReal *r) = VecNorm(x,NORM_2,r)
314d382aafbSBarry Smith 
315d382aafbSBarry Smith .seealso: PetscPolymorphicFunction()
316d382aafbSBarry Smith 
317d382aafbSBarry Smith M*/
318d382aafbSBarry Smith #define PetscPolymorphicSubroutine(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {return A C;}
319d382aafbSBarry Smith 
320d382aafbSBarry Smith /*MC
321d382aafbSBarry Smith       PetscPolymorphicScalar - allows defining a C++ polymorphic version of
322d382aafbSBarry Smith             a PETSc function that replaces a PetscScalar * argument with a PetscScalar argument
323d382aafbSBarry Smith 
324d382aafbSBarry Smith    Synopsis:
325d382aafbSBarry Smith    PetscPolymorphicScalar(Functionname,(arguments of C++ function),(arguments of C function))
326d382aafbSBarry Smith 
327eca87e8dSBarry Smith    Not collective
328eca87e8dSBarry Smith 
329d382aafbSBarry Smith    Level: developer
330d382aafbSBarry Smith 
331d382aafbSBarry Smith     Example:
332d382aafbSBarry Smith       PetscPolymorphicScalar(VecAXPY,(PetscScalar _val,Vec x,Vec y),(&_Val,x,y)) generates the new routine
333d382aafbSBarry Smith            PetscErrorCode VecAXPY(PetscScalar _val,Vec x,Vec y) = {PetscScalar _Val = _val; return VecAXPY(&_Val,x,y);}
334d382aafbSBarry Smith 
335d382aafbSBarry Smith .seealso: PetscPolymorphicFunction(),PetscPolymorphicSubroutine()
336d382aafbSBarry Smith 
337d382aafbSBarry Smith M*/
338d382aafbSBarry Smith #define PetscPolymorphicScalar(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {PetscScalar _Val = _val; return A C;}
339d382aafbSBarry Smith 
340d382aafbSBarry Smith /*MC
341d382aafbSBarry Smith       PetscPolymorphicFunction - allows defining a C++ polymorphic version of
342d382aafbSBarry Smith             a PETSc function that remove certain optional arguments for a simplier user interface
343d382aafbSBarry Smith             and returns the computed value (istead of an error code)
344d382aafbSBarry Smith 
345d382aafbSBarry Smith    Synopsis:
346d382aafbSBarry Smith    PetscPolymorphicFunction(Functionname,(arguments of C++ function),(arguments of C function),return type,return variable name)
347d382aafbSBarry Smith 
348eca87e8dSBarry Smith      Not collective
349eca87e8dSBarry Smith 
350d382aafbSBarry Smith    Level: developer
351d382aafbSBarry Smith 
352d382aafbSBarry Smith     Example:
353d382aafbSBarry Smith       PetscPolymorphicFunction(VecNorm,(Vec x,NormType t),(x,t,&r),PetscReal,r) generates the new routine
354d382aafbSBarry Smith          PetscReal VecNorm(Vec x,NormType t) = {PetscReal r; VecNorm(x,t,&r); return r;}
355d382aafbSBarry Smith 
356d382aafbSBarry Smith .seealso: PetscPolymorphicSubroutine()
357d382aafbSBarry Smith 
358d382aafbSBarry Smith M*/
359d382aafbSBarry Smith #define PetscPolymorphicFunction(A,B,C,D,E) PETSC_STATIC_INLINE D A B {D E; A C;return E;}
360d382aafbSBarry Smith 
361d382aafbSBarry Smith #else
362d382aafbSBarry Smith #define PetscPolymorphicSubroutine(A,B,C)
363d382aafbSBarry Smith #define PetscPolymorphicScalar(A,B,C)
364d382aafbSBarry Smith #define PetscPolymorphicFunction(A,B,C,D,E)
365d382aafbSBarry Smith #endif
366d382aafbSBarry Smith 
367d382aafbSBarry Smith /*MC
368d382aafbSBarry Smith     PetscUnlikely - hints the compiler that the given condition is usually FALSE
369d382aafbSBarry Smith 
370d382aafbSBarry Smith     Synopsis:
371d382aafbSBarry Smith     PetscTruth PetscUnlikely(PetscTruth cond)
372d382aafbSBarry Smith 
373eca87e8dSBarry Smith     Not Collective
374eca87e8dSBarry Smith 
375d382aafbSBarry Smith     Input Parameters:
376d382aafbSBarry Smith .   cond - condition or expression
377d382aafbSBarry Smith 
378d382aafbSBarry Smith     Note: This returns the same truth value, it is only a hint to compilers that the resulting
379d382aafbSBarry Smith     branch is unlikely.
380d382aafbSBarry Smith 
381d382aafbSBarry Smith     Level: advanced
382d382aafbSBarry Smith 
383d382aafbSBarry Smith .seealso: PetscLikely(), CHKERRQ
384d382aafbSBarry Smith M*/
385d382aafbSBarry Smith 
386d382aafbSBarry Smith /*MC
387d382aafbSBarry Smith     PetscLikely - hints the compiler that the given condition is usually TRUE
388d382aafbSBarry Smith 
389d382aafbSBarry Smith     Synopsis:
390d382aafbSBarry Smith     PetscTruth PetscUnlikely(PetscTruth cond)
391d382aafbSBarry Smith 
392eca87e8dSBarry Smith     Not Collective
393eca87e8dSBarry Smith 
394d382aafbSBarry Smith     Input Parameters:
395d382aafbSBarry Smith .   cond - condition or expression
396d382aafbSBarry Smith 
397d382aafbSBarry Smith     Note: This returns the same truth value, it is only a hint to compilers that the resulting
398d382aafbSBarry Smith     branch is likely.
399d382aafbSBarry Smith 
400d382aafbSBarry Smith     Level: advanced
401d382aafbSBarry Smith 
402d382aafbSBarry Smith .seealso: PetscUnlikely()
403d382aafbSBarry Smith M*/
404d382aafbSBarry Smith #if defined(PETSC_HAVE_BUILTIN_EXPECT)
405d382aafbSBarry Smith #  define PetscUnlikely(cond)   __builtin_expect(!!(cond),0)
406d382aafbSBarry Smith #  define PetscLikely(cond)     __builtin_expect(!!(cond),1)
407d382aafbSBarry Smith #else
408cd3f4ce9SJed Brown #  define PetscUnlikely(cond)   (cond)
409cd3f4ce9SJed Brown #  define PetscLikely(cond)     (cond)
410d382aafbSBarry Smith #endif
411d382aafbSBarry Smith 
412d382aafbSBarry Smith /*
413d382aafbSBarry Smith     Extern indicates a PETSc function defined elsewhere
414d382aafbSBarry Smith */
415d382aafbSBarry Smith #if !defined(EXTERN)
416d382aafbSBarry Smith #define EXTERN extern
417d382aafbSBarry Smith #endif
418d382aafbSBarry Smith 
419d382aafbSBarry Smith /*
420d382aafbSBarry Smith     Defines some elementary mathematics functions and constants.
421d382aafbSBarry Smith */
422d382aafbSBarry Smith #include "petscmath.h"
423d382aafbSBarry Smith 
424d382aafbSBarry Smith /*
425d382aafbSBarry Smith     Declare extern C stuff after including external header files
426d382aafbSBarry Smith */
427d382aafbSBarry Smith 
428d382aafbSBarry Smith PETSC_EXTERN_CXX_BEGIN
429d382aafbSBarry Smith 
430d382aafbSBarry Smith /*
431d382aafbSBarry Smith        Basic PETSc constants
432d382aafbSBarry Smith */
433d382aafbSBarry Smith 
434d382aafbSBarry Smith /*E
435503cfb0cSBarry Smith     PetscTruth - Logical variable. Actually an int in C and a logical in Fortran.
436d382aafbSBarry Smith 
437d382aafbSBarry Smith    Level: beginner
438d382aafbSBarry Smith 
439d382aafbSBarry Smith E*/
440d382aafbSBarry Smith typedef enum { PETSC_FALSE,PETSC_TRUE } PetscTruth;
441d382aafbSBarry Smith extern const char *PetscTruths[];
442d382aafbSBarry Smith 
443d382aafbSBarry Smith /*MC
444d382aafbSBarry Smith     PETSC_FALSE - False value of PetscTruth
445d382aafbSBarry Smith 
446d382aafbSBarry Smith     Level: beginner
447d382aafbSBarry Smith 
448d382aafbSBarry Smith     Note: Zero integer
449d382aafbSBarry Smith 
450d382aafbSBarry Smith .seealso: PetscTruth, PETSC_TRUE
451d382aafbSBarry Smith M*/
452d382aafbSBarry Smith 
453d382aafbSBarry Smith /*MC
454d382aafbSBarry Smith     PETSC_TRUE - True value of PetscTruth
455d382aafbSBarry Smith 
456d382aafbSBarry Smith     Level: beginner
457d382aafbSBarry Smith 
458d382aafbSBarry Smith     Note: Nonzero integer
459d382aafbSBarry Smith 
460d382aafbSBarry Smith .seealso: PetscTruth, PETSC_FALSE
461d382aafbSBarry Smith M*/
462d382aafbSBarry Smith 
463d382aafbSBarry Smith /*MC
464d382aafbSBarry Smith     PETSC_YES - Alias for PETSC_TRUE
465d382aafbSBarry Smith 
466d382aafbSBarry Smith     Level: beginner
467d382aafbSBarry Smith 
468d382aafbSBarry Smith     Note: Zero integer
469d382aafbSBarry Smith 
470d382aafbSBarry Smith .seealso: PetscTruth, PETSC_TRUE, PETSC_FALSE, PETSC_NO
471d382aafbSBarry Smith M*/
472d382aafbSBarry Smith #define PETSC_YES            PETSC_TRUE
473d382aafbSBarry Smith 
474d382aafbSBarry Smith /*MC
475d382aafbSBarry Smith     PETSC_NO - Alias for PETSC_FALSE
476d382aafbSBarry Smith 
477d382aafbSBarry Smith     Level: beginner
478d382aafbSBarry Smith 
479d382aafbSBarry Smith     Note: Nonzero integer
480d382aafbSBarry Smith 
481d382aafbSBarry Smith .seealso: PetscTruth, PETSC_TRUE, PETSC_FALSE, PETSC_YES
482d382aafbSBarry Smith M*/
483d382aafbSBarry Smith #define PETSC_NO             PETSC_FALSE
484d382aafbSBarry Smith 
485d382aafbSBarry Smith /*MC
486d382aafbSBarry Smith     PETSC_NULL - standard way of passing in a null or array or pointer
487d382aafbSBarry Smith 
488d382aafbSBarry Smith    Level: beginner
489d382aafbSBarry Smith 
490d382aafbSBarry Smith    Notes: accepted by many PETSc functions to not set a parameter and instead use
491d382aafbSBarry Smith           some default
492d382aafbSBarry Smith 
493d382aafbSBarry Smith           This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER,
494503cfb0cSBarry Smith           PETSC_NULL_DOUBLE_PRECISION, PETSC_NULL_FUNCTION, PETSC_NULL_OBJECT etc
495d382aafbSBarry Smith 
496d382aafbSBarry Smith .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE
497d382aafbSBarry Smith 
498d382aafbSBarry Smith M*/
499d382aafbSBarry Smith #define PETSC_NULL           0
500d382aafbSBarry Smith 
501d382aafbSBarry Smith /*MC
502d382aafbSBarry Smith     PETSC_DECIDE - standard way of passing in integer or floating point parameter
503d382aafbSBarry Smith        where you wish PETSc to use the default.
504d382aafbSBarry Smith 
505d382aafbSBarry Smith    Level: beginner
506d382aafbSBarry Smith 
507d382aafbSBarry Smith .seealso: PETSC_NULL, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE
508d382aafbSBarry Smith 
509d382aafbSBarry Smith M*/
510d382aafbSBarry Smith #define PETSC_DECIDE         -1
511d382aafbSBarry Smith 
512d382aafbSBarry Smith /*MC
513d382aafbSBarry Smith     PETSC_DEFAULT - standard way of passing in integer or floating point parameter
514d382aafbSBarry Smith        where you wish PETSc to use the default.
515d382aafbSBarry Smith 
516d382aafbSBarry Smith    Level: beginner
517d382aafbSBarry Smith 
518d382aafbSBarry Smith    Fortran Notes: You need to use PETSC_DEFAULT_INTEGER or PETSC_DEFAULT_DOUBLE_PRECISION.
519d382aafbSBarry Smith 
520d382aafbSBarry Smith .seealso: PETSC_DECIDE, PETSC_NULL, PETSC_IGNORE, PETSC_DETERMINE
521d382aafbSBarry Smith 
522d382aafbSBarry Smith M*/
523d382aafbSBarry Smith #define PETSC_DEFAULT        -2
524d382aafbSBarry Smith 
525d382aafbSBarry Smith 
526d382aafbSBarry Smith /*MC
527d382aafbSBarry Smith     PETSC_IGNORE - same as PETSC_NULL, means PETSc will ignore this argument
528d382aafbSBarry Smith 
529d382aafbSBarry Smith    Level: beginner
530d382aafbSBarry Smith 
531d382aafbSBarry Smith    Note: accepted by many PETSc functions to not set a parameter and instead use
532d382aafbSBarry Smith           some default
533d382aafbSBarry Smith 
534d382aafbSBarry Smith    Fortran Notes: This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER,
535d382aafbSBarry Smith           PETSC_NULL_DOUBLE_PRECISION etc
536d382aafbSBarry Smith 
537d382aafbSBarry Smith .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_NULL, PETSC_DETERMINE
538d382aafbSBarry Smith 
539d382aafbSBarry Smith M*/
540d382aafbSBarry Smith #define PETSC_IGNORE         PETSC_NULL
541d382aafbSBarry Smith 
542d382aafbSBarry Smith /*MC
543d382aafbSBarry Smith     PETSC_DETERMINE - standard way of passing in integer or floating point parameter
544d382aafbSBarry Smith        where you wish PETSc to compute the required value.
545d382aafbSBarry Smith 
546d382aafbSBarry Smith    Level: beginner
547d382aafbSBarry Smith 
548d382aafbSBarry Smith .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_NULL, VecSetSizes()
549d382aafbSBarry Smith 
550d382aafbSBarry Smith M*/
551d382aafbSBarry Smith #define PETSC_DETERMINE      PETSC_DECIDE
552d382aafbSBarry Smith 
553d382aafbSBarry Smith /*MC
554d382aafbSBarry Smith     PETSC_COMM_WORLD - the equivalent of the MPI_COMM_WORLD communicator which represents
555d382aafbSBarry Smith            all the processs that PETSc knows about.
556d382aafbSBarry Smith 
557d382aafbSBarry Smith    Level: beginner
558d382aafbSBarry Smith 
559d382aafbSBarry Smith    Notes: By default PETSC_COMM_WORLD and MPI_COMM_WORLD are identical unless you wish to
560d382aafbSBarry Smith           run PETSc on ONLY a subset of MPI_COMM_WORLD. In that case create your new (smaller)
561d382aafbSBarry Smith           communicator, call it, say comm, and set PETSC_COMM_WORLD = comm BEFORE calling
562d382aafbSBarry Smith           PetscInitialize()
563d382aafbSBarry Smith 
564d382aafbSBarry Smith .seealso: PETSC_COMM_SELF
565d382aafbSBarry Smith 
566d382aafbSBarry Smith M*/
567d382aafbSBarry Smith extern MPI_Comm PETSC_COMM_WORLD;
568d382aafbSBarry Smith 
569d382aafbSBarry Smith /*MC
570503cfb0cSBarry Smith     PETSC_COMM_SELF - This is always MPI_COMM_SELF
571d382aafbSBarry Smith 
572d382aafbSBarry Smith    Level: beginner
573d382aafbSBarry Smith 
574d382aafbSBarry Smith .seealso: PETSC_COMM_WORLD
575d382aafbSBarry Smith 
576d382aafbSBarry Smith M*/
577d382aafbSBarry Smith #define PETSC_COMM_SELF MPI_COMM_SELF
578d382aafbSBarry Smith 
579d382aafbSBarry Smith extern PETSC_DLLEXPORT PetscTruth PetscInitializeCalled;
580d382aafbSBarry Smith extern PETSC_DLLEXPORT PetscTruth PetscFinalizeCalled;
581d382aafbSBarry Smith 
582d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetHelpVersionFunctions(PetscErrorCode (*)(MPI_Comm),PetscErrorCode (*)(MPI_Comm));
583d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommDuplicate(MPI_Comm,MPI_Comm*,int*);
584d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommDestroy(MPI_Comm*);
585d382aafbSBarry Smith 
586d382aafbSBarry Smith /*MC
587d382aafbSBarry Smith    PetscMalloc - Allocates memory
588d382aafbSBarry Smith 
589eca87e8dSBarry Smith    Synopsis:
590eca87e8dSBarry Smith    PetscErrorCode PetscMalloc(size_t m,void **result)
591eca87e8dSBarry Smith 
592eca87e8dSBarry Smith    Not Collective
593eca87e8dSBarry Smith 
594d382aafbSBarry Smith    Input Parameter:
595d382aafbSBarry Smith .  m - number of bytes to allocate
596d382aafbSBarry Smith 
597d382aafbSBarry Smith    Output Parameter:
598d382aafbSBarry Smith .  result - memory allocated
599d382aafbSBarry Smith 
600d382aafbSBarry Smith    Level: beginner
601d382aafbSBarry Smith 
602d382aafbSBarry Smith    Notes: Memory is always allocated at least double aligned
603d382aafbSBarry Smith 
604d382aafbSBarry Smith           If you request memory of zero size it will allocate no space and assign the pointer to 0; PetscFree() will
605d382aafbSBarry Smith           properly handle not freeing the null pointer.
606d382aafbSBarry Smith 
607d382aafbSBarry Smith .seealso: PetscFree(), PetscNew()
608d382aafbSBarry Smith 
609d382aafbSBarry Smith   Concepts: memory allocation
610d382aafbSBarry Smith 
611d382aafbSBarry Smith M*/
612d382aafbSBarry Smith #define PetscMalloc(a,b)  ((a != 0) ? (*PetscTrMalloc)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__,(void**)(b)) : (*(b) = 0,0) )
613d382aafbSBarry Smith 
614d382aafbSBarry Smith /*MC
615503cfb0cSBarry Smith    PetscAddrAlign - Rounds up an address to PETSC_MEMALIGN alignment
616d382aafbSBarry Smith 
617d382aafbSBarry Smith    Synopsis:
618d382aafbSBarry Smith    void *PetscAddrAlign(void *addr)
619d382aafbSBarry Smith 
620eca87e8dSBarry Smith    Not Collective
621eca87e8dSBarry Smith 
622eca87e8dSBarry Smith    Input Parameters:
623eca87e8dSBarry Smith .  addr - address to align (any pointer type)
624eca87e8dSBarry Smith 
625d382aafbSBarry Smith    Level: developer
626d382aafbSBarry Smith 
627d382aafbSBarry Smith .seealso: PetscMallocAlign()
628d382aafbSBarry Smith 
629d382aafbSBarry Smith   Concepts: memory allocation
630d382aafbSBarry Smith M*/
631d382aafbSBarry Smith #if defined PETSC_UINTPTR_T
632d382aafbSBarry Smith #  define PetscAddrAlign(a) (void*)((((PETSC_UINTPTR_T)(a))+(PETSC_MEMALIGN-1)) & ~(PETSC_MEMALIGN-1))
633d382aafbSBarry Smith #else
634d382aafbSBarry Smith #  define PetscAddrAlign(a) (void*)(a)
635d382aafbSBarry Smith #endif
636d382aafbSBarry Smith 
637d382aafbSBarry Smith /*MC
638503cfb0cSBarry Smith    PetscMalloc2 - Allocates 2 chunks of  memory both aligned to PETSC_MEMALIGN
639d382aafbSBarry Smith 
640eca87e8dSBarry Smith    Synopsis:
641eca87e8dSBarry Smith    PetscErrorCode PetscMalloc2(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2)
642eca87e8dSBarry Smith 
643eca87e8dSBarry Smith    Not Collective
644eca87e8dSBarry Smith 
645d382aafbSBarry Smith    Input Parameter:
646d382aafbSBarry Smith +  m1 - number of elements to allocate in 1st chunk  (may be zero)
647d382aafbSBarry Smith .  t1 - type of first memory elements
648d382aafbSBarry Smith .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
649d382aafbSBarry Smith -  t2 - type of second memory elements
650d382aafbSBarry Smith 
651d382aafbSBarry Smith    Output Parameter:
652d382aafbSBarry Smith +  r1 - memory allocated in first chunk
653d382aafbSBarry Smith -  r2 - memory allocated in second chunk
654d382aafbSBarry Smith 
655d382aafbSBarry Smith    Level: developer
656d382aafbSBarry Smith 
657d382aafbSBarry Smith .seealso: PetscFree(), PetscNew(), PetscMalloc()
658d382aafbSBarry Smith 
659d382aafbSBarry Smith   Concepts: memory allocation
660d382aafbSBarry Smith 
661d382aafbSBarry Smith M*/
662d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
663d382aafbSBarry Smith #define PetscMalloc2(m1,t1,r1,m2,t2,r2) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2))
664d382aafbSBarry Smith #else
6653b98c0a2SBarry Smith #define PetscMalloc2(m1,t1,r1,m2,t2,r2) ((*(r2) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(PETSC_MEMALIGN-1),r1)) \
666d382aafbSBarry Smith                                          || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),0))
667d382aafbSBarry Smith #endif
668d382aafbSBarry Smith 
669d382aafbSBarry Smith /*MC
670503cfb0cSBarry Smith    PetscMalloc3 - Allocates 3 chunks of  memory  all aligned to PETSC_MEMALIGN
671d382aafbSBarry Smith 
672eca87e8dSBarry Smith    Synopsis:
673eca87e8dSBarry Smith    PetscErrorCode PetscMalloc3(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3)
674eca87e8dSBarry Smith 
675eca87e8dSBarry Smith    Not Collective
676eca87e8dSBarry Smith 
677d382aafbSBarry Smith    Input Parameter:
678d382aafbSBarry Smith +  m1 - number of elements to allocate in 1st chunk  (may be zero)
679d382aafbSBarry Smith .  t1 - type of first memory elements
680d382aafbSBarry Smith .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
681d382aafbSBarry Smith .  t2 - type of second memory elements
682d382aafbSBarry Smith .  m3 - number of elements to allocate in 3rd chunk  (may be zero)
683d382aafbSBarry Smith -  t3 - type of third memory elements
684d382aafbSBarry Smith 
685d382aafbSBarry Smith    Output Parameter:
686d382aafbSBarry Smith +  r1 - memory allocated in first chunk
687d382aafbSBarry Smith .  r2 - memory allocated in second chunk
688d382aafbSBarry Smith -  r3 - memory allocated in third chunk
689d382aafbSBarry Smith 
690d382aafbSBarry Smith    Level: developer
691d382aafbSBarry Smith 
692d382aafbSBarry Smith .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3()
693d382aafbSBarry Smith 
694d382aafbSBarry Smith   Concepts: memory allocation
695d382aafbSBarry Smith 
696d382aafbSBarry Smith M*/
697d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
698d382aafbSBarry Smith #define PetscMalloc3(m1,t1,r1,m2,t2,r2,m3,t3,r3) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3))
699d382aafbSBarry Smith #else
7003b98c0a2SBarry Smith #define PetscMalloc3(m1,t1,r1,m2,t2,r2,m3,t3,r3) ((*(r2) = 0,*(r3) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+2*(PETSC_MEMALIGN-1),r1)) \
701d382aafbSBarry Smith                                                   || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),0))
702d382aafbSBarry Smith #endif
703d382aafbSBarry Smith 
704d382aafbSBarry Smith /*MC
705503cfb0cSBarry Smith    PetscMalloc4 - Allocates 4 chunks of  memory  all aligned to PETSC_MEMALIGN
706d382aafbSBarry Smith 
707eca87e8dSBarry Smith    Synopsis:
708eca87e8dSBarry Smith    PetscErrorCode PetscMalloc4(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4)
709eca87e8dSBarry Smith 
710eca87e8dSBarry Smith    Not Collective
711eca87e8dSBarry Smith 
712d382aafbSBarry Smith    Input Parameter:
713d382aafbSBarry Smith +  m1 - number of elements to allocate in 1st chunk  (may be zero)
714d382aafbSBarry Smith .  t1 - type of first memory elements
715d382aafbSBarry Smith .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
716d382aafbSBarry Smith .  t2 - type of second memory elements
717d382aafbSBarry Smith .  m3 - number of elements to allocate in 3rd chunk  (may be zero)
718d382aafbSBarry Smith .  t3 - type of third memory elements
719d382aafbSBarry Smith .  m4 - number of elements to allocate in 4th chunk  (may be zero)
720d382aafbSBarry Smith -  t4 - type of fourth memory elements
721d382aafbSBarry Smith 
722d382aafbSBarry Smith    Output Parameter:
723d382aafbSBarry Smith +  r1 - memory allocated in first chunk
724d382aafbSBarry Smith .  r2 - memory allocated in second chunk
725d382aafbSBarry Smith .  r3 - memory allocated in third chunk
726d382aafbSBarry Smith -  r4 - memory allocated in fourth chunk
727d382aafbSBarry Smith 
728d382aafbSBarry Smith    Level: developer
729d382aafbSBarry Smith 
730d382aafbSBarry Smith .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4()
731d382aafbSBarry Smith 
732d382aafbSBarry Smith   Concepts: memory allocation
733d382aafbSBarry Smith 
734d382aafbSBarry Smith M*/
735d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
736d382aafbSBarry Smith #define PetscMalloc4(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4))
737d382aafbSBarry Smith #else
738d382aafbSBarry Smith #define PetscMalloc4(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4)               \
7393b98c0a2SBarry Smith   ((*(r2) = 0, *(r3) = 0, *(r4) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+3*(PETSC_MEMALIGN-1),r1)) \
740d382aafbSBarry Smith    || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),0))
741d382aafbSBarry Smith #endif
742d382aafbSBarry Smith 
743d382aafbSBarry Smith /*MC
744503cfb0cSBarry Smith    PetscMalloc5 - Allocates 5 chunks of  memory all aligned to PETSC_MEMALIGN
745d382aafbSBarry Smith 
746eca87e8dSBarry Smith    Synopsis:
747eca87e8dSBarry Smith    PetscErrorCode PetscMalloc5(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4,size_t m5,type t5,void **r5)
748eca87e8dSBarry Smith 
749eca87e8dSBarry Smith    Not Collective
750eca87e8dSBarry Smith 
751d382aafbSBarry Smith    Input Parameter:
752d382aafbSBarry Smith +  m1 - number of elements to allocate in 1st chunk  (may be zero)
753d382aafbSBarry Smith .  t1 - type of first memory elements
754d382aafbSBarry Smith .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
755d382aafbSBarry Smith .  t2 - type of second memory elements
756d382aafbSBarry Smith .  m3 - number of elements to allocate in 3rd chunk  (may be zero)
757d382aafbSBarry Smith .  t3 - type of third memory elements
758d382aafbSBarry Smith .  m4 - number of elements to allocate in 4th chunk  (may be zero)
759d382aafbSBarry Smith .  t4 - type of fourth memory elements
760d382aafbSBarry Smith .  m5 - number of elements to allocate in 5th chunk  (may be zero)
761d382aafbSBarry Smith -  t5 - type of fifth memory elements
762d382aafbSBarry Smith 
763d382aafbSBarry Smith    Output Parameter:
764d382aafbSBarry Smith +  r1 - memory allocated in first chunk
765d382aafbSBarry Smith .  r2 - memory allocated in second chunk
766d382aafbSBarry Smith .  r3 - memory allocated in third chunk
767d382aafbSBarry Smith .  r4 - memory allocated in fourth chunk
768d382aafbSBarry Smith -  r5 - memory allocated in fifth chunk
769d382aafbSBarry Smith 
770d382aafbSBarry Smith    Level: developer
771d382aafbSBarry Smith 
772d382aafbSBarry Smith .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5()
773d382aafbSBarry Smith 
774d382aafbSBarry Smith   Concepts: memory allocation
775d382aafbSBarry Smith 
776d382aafbSBarry Smith M*/
777d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
778d382aafbSBarry Smith #define PetscMalloc5(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4) || PetscMalloc((m5)*sizeof(t5),r5))
779d382aafbSBarry Smith #else
780d382aafbSBarry Smith #define PetscMalloc5(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5)      \
7813b98c0a2SBarry Smith   ((*(r2) = 0, *(r3) = 0, *(r4) = 0,*(r5) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5)+4*(PETSC_MEMALIGN-1),r1)) \
782d382aafbSBarry Smith    || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),*(r5) = (t5*)PetscAddrAlign(*(r4)+m4),0))
783d382aafbSBarry Smith #endif
784d382aafbSBarry Smith 
785d382aafbSBarry Smith 
786d382aafbSBarry Smith /*MC
787503cfb0cSBarry Smith    PetscMalloc6 - Allocates 6 chunks of  memory all aligned to PETSC_MEMALIGN
788d382aafbSBarry Smith 
789eca87e8dSBarry Smith    Synopsis:
790eca87e8dSBarry Smith    PetscErrorCode PetscMalloc6(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4,size_t m5,type t5,void **r5,size_t m6,type t6,void **r6)
791eca87e8dSBarry Smith 
792eca87e8dSBarry Smith    Not Collective
793eca87e8dSBarry Smith 
794d382aafbSBarry Smith    Input Parameter:
795d382aafbSBarry Smith +  m1 - number of elements to allocate in 1st chunk  (may be zero)
796d382aafbSBarry Smith .  t1 - type of first memory elements
797d382aafbSBarry Smith .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
798d382aafbSBarry Smith .  t2 - type of second memory elements
799d382aafbSBarry Smith .  m3 - number of elements to allocate in 3rd chunk  (may be zero)
800d382aafbSBarry Smith .  t3 - type of third memory elements
801d382aafbSBarry Smith .  m4 - number of elements to allocate in 4th chunk  (may be zero)
802d382aafbSBarry Smith .  t4 - type of fourth memory elements
803d382aafbSBarry Smith .  m5 - number of elements to allocate in 5th chunk  (may be zero)
804d382aafbSBarry Smith .  t5 - type of fifth memory elements
805d382aafbSBarry Smith .  m6 - number of elements to allocate in 6th chunk  (may be zero)
806d382aafbSBarry Smith -  t6 - type of sixth memory elements
807d382aafbSBarry Smith 
808d382aafbSBarry Smith    Output Parameter:
809d382aafbSBarry Smith +  r1 - memory allocated in first chunk
810d382aafbSBarry Smith .  r2 - memory allocated in second chunk
811d382aafbSBarry Smith .  r3 - memory allocated in third chunk
812d382aafbSBarry Smith .  r4 - memory allocated in fourth chunk
813d382aafbSBarry Smith .  r5 - memory allocated in fifth chunk
814d382aafbSBarry Smith -  r6 - memory allocated in sixth chunk
815d382aafbSBarry Smith 
816d382aafbSBarry Smith    Level: developer
817d382aafbSBarry Smith 
818d382aafbSBarry Smith .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6()
819d382aafbSBarry Smith 
820d382aafbSBarry Smith   Concepts: memory allocation
821d382aafbSBarry Smith 
822d382aafbSBarry Smith M*/
823d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
824d382aafbSBarry Smith #define PetscMalloc6(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4) || PetscMalloc((m5)*sizeof(t5),r5) || PetscMalloc((m6)*sizeof(t6),r6))
825d382aafbSBarry Smith #else
826d382aafbSBarry Smith #define PetscMalloc6(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6) \
8273b98c0a2SBarry Smith   ((*(r2) = 0, *(r3) = 0, *(r4) = 0,*(r5) = 0,*(r6) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5)+(m6)*sizeof(t6)+5*(PETSC_MEMALIGN-1),r1)) \
828d382aafbSBarry Smith    || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),*(r5) = (t5*)PetscAddrAlign(*(r4)+m4),*(r6) = (t6*)PetscAddrAlign(*(r5)+m5),0))
829d382aafbSBarry Smith #endif
830d382aafbSBarry Smith 
831d382aafbSBarry Smith /*MC
832503cfb0cSBarry Smith    PetscMalloc7 - Allocates 7 chunks of  memory all aligned to PETSC_MEMALIGN
833d382aafbSBarry Smith 
834eca87e8dSBarry Smith    Synopsis:
835eca87e8dSBarry Smith    PetscErrorCode PetscMalloc7(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4,size_t m5,type t5,void **r5,size_t m6,type t6,void **r6,size_t m7,type t7,void **r7)
836eca87e8dSBarry Smith 
837eca87e8dSBarry Smith    Not Collective
838eca87e8dSBarry Smith 
839d382aafbSBarry Smith    Input Parameter:
840d382aafbSBarry Smith +  m1 - number of elements to allocate in 1st chunk  (may be zero)
841d382aafbSBarry Smith .  t1 - type of first memory elements
842d382aafbSBarry Smith .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
843d382aafbSBarry Smith .  t2 - type of second memory elements
844d382aafbSBarry Smith .  m3 - number of elements to allocate in 3rd chunk  (may be zero)
845d382aafbSBarry Smith .  t3 - type of third memory elements
846d382aafbSBarry Smith .  m4 - number of elements to allocate in 4th chunk  (may be zero)
847d382aafbSBarry Smith .  t4 - type of fourth memory elements
848d382aafbSBarry Smith .  m5 - number of elements to allocate in 5th chunk  (may be zero)
849d382aafbSBarry Smith .  t5 - type of fifth memory elements
850d382aafbSBarry Smith .  m6 - number of elements to allocate in 6th chunk  (may be zero)
851d382aafbSBarry Smith .  t6 - type of sixth memory elements
852d382aafbSBarry Smith .  m7 - number of elements to allocate in 7th chunk  (may be zero)
853d382aafbSBarry Smith -  t7 - type of sixth memory elements
854d382aafbSBarry Smith 
855d382aafbSBarry Smith    Output Parameter:
856d382aafbSBarry Smith +  r1 - memory allocated in first chunk
857d382aafbSBarry Smith .  r2 - memory allocated in second chunk
858d382aafbSBarry Smith .  r3 - memory allocated in third chunk
859d382aafbSBarry Smith .  r4 - memory allocated in fourth chunk
860d382aafbSBarry Smith .  r5 - memory allocated in fifth chunk
861d382aafbSBarry Smith .  r6 - memory allocated in sixth chunk
862eca87e8dSBarry Smith -  r7 - memory allocated in seventh chunk
863d382aafbSBarry Smith 
864d382aafbSBarry Smith    Level: developer
865d382aafbSBarry Smith 
866d382aafbSBarry Smith .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6(), PetscFree7()
867d382aafbSBarry Smith 
868d382aafbSBarry Smith   Concepts: memory allocation
869d382aafbSBarry Smith 
870d382aafbSBarry Smith M*/
871d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
872d382aafbSBarry Smith #define PetscMalloc7(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6,m7,t7,r7) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4) || PetscMalloc((m5)*sizeof(t5),r5) || PetscMalloc((m6)*sizeof(t6),r6) || PetscMalloc((m7)*sizeof(t7),r7))
873d382aafbSBarry Smith #else
874d382aafbSBarry Smith #define PetscMalloc7(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6,m7,t7,r7) \
8753b98c0a2SBarry Smith   ((*(r2) = 0, *(r3) = 0, *(r4) = 0,*(r5) = 0,*(r6) = 0,*(r7) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5)+(m6)*sizeof(t6)+(m7)*sizeof(t7)+6*(PETSC_MEMALIGN-1),r1)) \
876d382aafbSBarry Smith    || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),*(r5) = (t5*)PetscAddrAlign(*(r4)+m4),*(r6) = (t6*)PetscAddrAlign(*(r5)+m5),*(r7) = (t7*)PetscAddrAlign(*(r6)+m6),0))
877d382aafbSBarry Smith #endif
878d382aafbSBarry Smith 
879d382aafbSBarry Smith /*MC
880503cfb0cSBarry Smith    PetscNew - Allocates memory of a particular type, zeros the memory! Aligned to PETSC_MEMALIGN
881d382aafbSBarry Smith 
882eca87e8dSBarry Smith    Synopsis:
883eca87e8dSBarry Smith    PetscErrorCode PetscNew(struct type,((type *))result)
884eca87e8dSBarry Smith 
885eca87e8dSBarry Smith    Not Collective
886eca87e8dSBarry Smith 
887d382aafbSBarry Smith    Input Parameter:
888d382aafbSBarry Smith .  type - structure name of space to be allocated. Memory of size sizeof(type) is allocated
889d382aafbSBarry Smith 
890d382aafbSBarry Smith    Output Parameter:
891d382aafbSBarry Smith .  result - memory allocated
892d382aafbSBarry Smith 
893d382aafbSBarry Smith    Level: beginner
894d382aafbSBarry Smith 
895d382aafbSBarry Smith .seealso: PetscFree(), PetscMalloc()
896d382aafbSBarry Smith 
897d382aafbSBarry Smith   Concepts: memory allocation
898d382aafbSBarry Smith 
899d382aafbSBarry Smith M*/
900d382aafbSBarry Smith #define PetscNew(A,b)      (PetscMalloc(sizeof(A),(b)) || PetscMemzero(*(b),sizeof(A)))
901d382aafbSBarry Smith #define PetscNewLog(o,A,b) (PetscNew(A,b) || ((o) ? PetscLogObjectMemory(o,sizeof(A)) : 0))
902d382aafbSBarry Smith 
903d382aafbSBarry Smith /*MC
904d382aafbSBarry Smith    PetscFree - Frees memory
905d382aafbSBarry Smith 
906eca87e8dSBarry Smith    Synopsis:
907eca87e8dSBarry Smith    PetscErrorCode PetscFree(void *memory)
908eca87e8dSBarry Smith 
909eca87e8dSBarry Smith    Not Collective
910eca87e8dSBarry Smith 
911d382aafbSBarry Smith    Input Parameter:
912d382aafbSBarry Smith .   memory - memory to free (the pointer is ALWAYS set to 0 upon sucess)
913d382aafbSBarry Smith 
914d382aafbSBarry Smith    Level: beginner
915d382aafbSBarry Smith 
916d382aafbSBarry Smith    Notes: Memory must have been obtained with PetscNew() or PetscMalloc()
917d382aafbSBarry Smith 
918d382aafbSBarry Smith .seealso: PetscNew(), PetscMalloc(), PetscFreeVoid()
919d382aafbSBarry Smith 
920d382aafbSBarry Smith   Concepts: memory allocation
921d382aafbSBarry Smith 
922d382aafbSBarry Smith M*/
923d382aafbSBarry Smith #define PetscFree(a)   ((a) ? ((*PetscTrFree)((void*)(a),__LINE__,__FUNCT__,__FILE__,__SDIR__) || ((a = 0),0)) : 0)
924d382aafbSBarry Smith 
925d382aafbSBarry Smith /*MC
926d382aafbSBarry Smith    PetscFreeVoid - Frees memory
927d382aafbSBarry Smith 
928d382aafbSBarry Smith    Synopsis:
929d382aafbSBarry Smith    void PetscFreeVoid(void *memory)
930d382aafbSBarry Smith 
931eca87e8dSBarry Smith    Not Collective
932eca87e8dSBarry Smith 
933eca87e8dSBarry Smith    Input Parameter:
934eca87e8dSBarry Smith .   memory - memory to free
935eca87e8dSBarry Smith 
936d382aafbSBarry Smith    Level: beginner
937d382aafbSBarry Smith 
938d382aafbSBarry Smith    Notes: This is different from PetscFree() in that no error code is returned
939d382aafbSBarry Smith 
940d382aafbSBarry Smith .seealso: PetscFree(), PetscNew(), PetscMalloc()
941d382aafbSBarry Smith 
942d382aafbSBarry Smith   Concepts: memory allocation
943d382aafbSBarry Smith 
944d382aafbSBarry Smith M*/
945d382aafbSBarry Smith #define PetscFreeVoid(a) ((*PetscTrFree)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__),(a) = 0)
946d382aafbSBarry Smith 
947d382aafbSBarry Smith 
948d382aafbSBarry Smith /*MC
949d382aafbSBarry Smith    PetscFree2 - Frees 2 chunks of memory obtained with PetscMalloc2()
950d382aafbSBarry Smith 
951eca87e8dSBarry Smith    Synopsis:
952eca87e8dSBarry Smith    PetscErrorCode PetscFree2(void *memory1,void *memory2)
953eca87e8dSBarry Smith 
954eca87e8dSBarry Smith    Not Collective
955eca87e8dSBarry Smith 
956d382aafbSBarry Smith    Input Parameter:
957d382aafbSBarry Smith +   memory1 - memory to free
958d382aafbSBarry Smith -   memory2 - 2nd memory to free
959d382aafbSBarry Smith 
960d382aafbSBarry Smith    Level: developer
961d382aafbSBarry Smith 
962d382aafbSBarry Smith    Notes: Memory must have been obtained with PetscMalloc2()
963d382aafbSBarry Smith 
964d382aafbSBarry Smith .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree()
965d382aafbSBarry Smith 
966d382aafbSBarry Smith   Concepts: memory allocation
967d382aafbSBarry Smith 
968d382aafbSBarry Smith M*/
969d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
970d382aafbSBarry Smith #define PetscFree2(m1,m2)   (PetscFree(m2) || PetscFree(m1))
971d382aafbSBarry Smith #else
972d382aafbSBarry Smith #define PetscFree2(m1,m2)   (PetscFree(m1))
973d382aafbSBarry Smith #endif
974d382aafbSBarry Smith 
975d382aafbSBarry Smith /*MC
976d382aafbSBarry Smith    PetscFree3 - Frees 3 chunks of memory obtained with PetscMalloc3()
977d382aafbSBarry Smith 
978eca87e8dSBarry Smith    Synopsis:
979eca87e8dSBarry Smith    PetscErrorCode PetscFree3(void *memory1,void *memory2,void *memory3)
980eca87e8dSBarry Smith 
981eca87e8dSBarry Smith    Not Collective
982eca87e8dSBarry Smith 
983d382aafbSBarry Smith    Input Parameter:
984d382aafbSBarry Smith +   memory1 - memory to free
985d382aafbSBarry Smith .   memory2 - 2nd memory to free
986d382aafbSBarry Smith -   memory3 - 3rd memory to free
987d382aafbSBarry Smith 
988d382aafbSBarry Smith    Level: developer
989d382aafbSBarry Smith 
990d382aafbSBarry Smith    Notes: Memory must have been obtained with PetscMalloc3()
991d382aafbSBarry Smith 
992d382aafbSBarry Smith .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3()
993d382aafbSBarry Smith 
994d382aafbSBarry Smith   Concepts: memory allocation
995d382aafbSBarry Smith 
996d382aafbSBarry Smith M*/
997d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
998d382aafbSBarry Smith #define PetscFree3(m1,m2,m3)   (PetscFree(m3) || PetscFree(m2) || PetscFree(m1))
999d382aafbSBarry Smith #else
1000d382aafbSBarry Smith #define PetscFree3(m1,m2,m3)   (PetscFree(m1))
1001d382aafbSBarry Smith #endif
1002d382aafbSBarry Smith 
1003d382aafbSBarry Smith /*MC
1004d382aafbSBarry Smith    PetscFree4 - Frees 4 chunks of memory obtained with PetscMalloc4()
1005d382aafbSBarry Smith 
1006eca87e8dSBarry Smith    Synopsis:
1007eca87e8dSBarry Smith    PetscErrorCode PetscFree4(void *m1,void *m2,void *m3,void *m4)
1008eca87e8dSBarry Smith 
1009eca87e8dSBarry Smith    Not Collective
1010eca87e8dSBarry Smith 
1011d382aafbSBarry Smith    Input Parameter:
1012d382aafbSBarry Smith +   m1 - memory to free
1013d382aafbSBarry Smith .   m2 - 2nd memory to free
1014d382aafbSBarry Smith .   m3 - 3rd memory to free
1015d382aafbSBarry Smith -   m4 - 4th memory to free
1016d382aafbSBarry Smith 
1017d382aafbSBarry Smith    Level: developer
1018d382aafbSBarry Smith 
1019d382aafbSBarry Smith    Notes: Memory must have been obtained with PetscMalloc4()
1020d382aafbSBarry Smith 
1021d382aafbSBarry Smith .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4()
1022d382aafbSBarry Smith 
1023d382aafbSBarry Smith   Concepts: memory allocation
1024d382aafbSBarry Smith 
1025d382aafbSBarry Smith M*/
1026d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
1027d382aafbSBarry Smith #define PetscFree4(m1,m2,m3,m4)   (PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1))
1028d382aafbSBarry Smith #else
1029d382aafbSBarry Smith #define PetscFree4(m1,m2,m3,m4)   (PetscFree(m1))
1030d382aafbSBarry Smith #endif
1031d382aafbSBarry Smith 
1032d382aafbSBarry Smith /*MC
1033d382aafbSBarry Smith    PetscFree5 - Frees 5 chunks of memory obtained with PetscMalloc5()
1034d382aafbSBarry Smith 
1035eca87e8dSBarry Smith    Synopsis:
1036eca87e8dSBarry Smith    PetscErrorCode PetscFree5(void *m1,void *m2,void *m3,void *m4,void *m5)
1037eca87e8dSBarry Smith 
1038eca87e8dSBarry Smith    Not Collective
1039eca87e8dSBarry Smith 
1040d382aafbSBarry Smith    Input Parameter:
1041d382aafbSBarry Smith +   m1 - memory to free
1042d382aafbSBarry Smith .   m2 - 2nd memory to free
1043d382aafbSBarry Smith .   m3 - 3rd memory to free
1044d382aafbSBarry Smith .   m4 - 4th memory to free
1045d382aafbSBarry Smith -   m5 - 5th memory to free
1046d382aafbSBarry Smith 
1047d382aafbSBarry Smith    Level: developer
1048d382aafbSBarry Smith 
1049d382aafbSBarry Smith    Notes: Memory must have been obtained with PetscMalloc5()
1050d382aafbSBarry Smith 
1051d382aafbSBarry Smith .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5()
1052d382aafbSBarry Smith 
1053d382aafbSBarry Smith   Concepts: memory allocation
1054d382aafbSBarry Smith 
1055d382aafbSBarry Smith M*/
1056d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
1057d382aafbSBarry Smith #define PetscFree5(m1,m2,m3,m4,m5)   (PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1))
1058d382aafbSBarry Smith #else
1059d382aafbSBarry Smith #define PetscFree5(m1,m2,m3,m4,m5)   (PetscFree(m1))
1060d382aafbSBarry Smith #endif
1061d382aafbSBarry Smith 
1062d382aafbSBarry Smith 
1063d382aafbSBarry Smith /*MC
1064d382aafbSBarry Smith    PetscFree6 - Frees 6 chunks of memory obtained with PetscMalloc6()
1065d382aafbSBarry Smith 
1066eca87e8dSBarry Smith    Synopsis:
1067eca87e8dSBarry Smith    PetscErrorCode PetscFree6(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6)
1068eca87e8dSBarry Smith 
1069eca87e8dSBarry Smith    Not Collective
1070eca87e8dSBarry Smith 
1071d382aafbSBarry Smith    Input Parameter:
1072d382aafbSBarry Smith +   m1 - memory to free
1073d382aafbSBarry Smith .   m2 - 2nd memory to free
1074d382aafbSBarry Smith .   m3 - 3rd memory to free
1075d382aafbSBarry Smith .   m4 - 4th memory to free
1076d382aafbSBarry Smith .   m5 - 5th memory to free
1077d382aafbSBarry Smith -   m6 - 6th memory to free
1078d382aafbSBarry Smith 
1079d382aafbSBarry Smith 
1080d382aafbSBarry Smith    Level: developer
1081d382aafbSBarry Smith 
1082d382aafbSBarry Smith    Notes: Memory must have been obtained with PetscMalloc6()
1083d382aafbSBarry Smith 
1084d382aafbSBarry Smith .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6()
1085d382aafbSBarry Smith 
1086d382aafbSBarry Smith   Concepts: memory allocation
1087d382aafbSBarry Smith 
1088d382aafbSBarry Smith M*/
1089d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
1090d382aafbSBarry Smith #define PetscFree6(m1,m2,m3,m4,m5,m6)   (PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1))
1091d382aafbSBarry Smith #else
1092d382aafbSBarry Smith #define PetscFree6(m1,m2,m3,m4,m5,m6)   (PetscFree(m1))
1093d382aafbSBarry Smith #endif
1094d382aafbSBarry Smith 
1095d382aafbSBarry Smith /*MC
1096d382aafbSBarry Smith    PetscFree7 - Frees 7 chunks of memory obtained with PetscMalloc7()
1097d382aafbSBarry Smith 
1098eca87e8dSBarry Smith    Synopsis:
1099eca87e8dSBarry Smith    PetscErrorCode PetscFree7(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6,void *m7)
1100eca87e8dSBarry Smith 
1101eca87e8dSBarry Smith    Not Collective
1102eca87e8dSBarry Smith 
1103d382aafbSBarry Smith    Input Parameter:
1104d382aafbSBarry Smith +   m1 - memory to free
1105d382aafbSBarry Smith .   m2 - 2nd memory to free
1106d382aafbSBarry Smith .   m3 - 3rd memory to free
1107d382aafbSBarry Smith .   m4 - 4th memory to free
1108d382aafbSBarry Smith .   m5 - 5th memory to free
1109d382aafbSBarry Smith .   m6 - 6th memory to free
1110d382aafbSBarry Smith -   m7 - 7th memory to free
1111d382aafbSBarry Smith 
1112d382aafbSBarry Smith 
1113d382aafbSBarry Smith    Level: developer
1114d382aafbSBarry Smith 
1115d382aafbSBarry Smith    Notes: Memory must have been obtained with PetscMalloc7()
1116d382aafbSBarry Smith 
1117d382aafbSBarry Smith .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6(),
1118d382aafbSBarry Smith           PetscMalloc7()
1119d382aafbSBarry Smith 
1120d382aafbSBarry Smith   Concepts: memory allocation
1121d382aafbSBarry Smith 
1122d382aafbSBarry Smith M*/
1123d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
1124d382aafbSBarry Smith #define PetscFree7(m1,m2,m3,m4,m5,m6,m7)   (PetscFree(m7) || PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1))
1125d382aafbSBarry Smith #else
1126d382aafbSBarry Smith #define PetscFree7(m1,m2,m3,m4,m5,m6,m7)   (PetscFree(m1))
1127d382aafbSBarry Smith #endif
1128d382aafbSBarry Smith 
1129d382aafbSBarry Smith EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscTrMalloc)(size_t,int,const char[],const char[],const char[],void**);
1130d382aafbSBarry Smith EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscTrFree)(void*,int,const char[],const char[],const char[]);
1131d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscMallocSet(PetscErrorCode (*)(size_t,int,const char[],const char[],const char[],void**),PetscErrorCode (*)(void*,int,const char[],const char[],const char[]));
1132d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscMallocClear(void);
1133d382aafbSBarry Smith 
1134d382aafbSBarry Smith /*
1135d382aafbSBarry Smith    Routines for tracing memory corruption/bleeding with default PETSc
1136d382aafbSBarry Smith    memory allocation
1137d382aafbSBarry Smith */
1138d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocDump(FILE *);
1139d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocDumpLog(FILE *);
1140d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocGetCurrentUsage(PetscLogDouble *);
1141d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocGetMaximumUsage(PetscLogDouble *);
1142d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocDebug(PetscTruth);
1143d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocValidate(int,const char[],const char[],const char[]);
1144d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocSetDumpLog(void);
1145d382aafbSBarry Smith 
1146d382aafbSBarry Smith 
1147d382aafbSBarry Smith /*
1148d382aafbSBarry Smith     Variable type where we stash PETSc object pointers in Fortran.
1149d382aafbSBarry Smith     On most machines size(pointer) == sizeof(long) - except windows
1150d382aafbSBarry Smith     where its sizeof(long long)
1151d382aafbSBarry Smith */
1152d382aafbSBarry Smith 
1153d382aafbSBarry Smith #if (PETSC_SIZEOF_VOID_P) == (PETSC_SIZEOF_LONG)
1154d382aafbSBarry Smith #define PetscFortranAddr   long
1155d382aafbSBarry Smith #elif  (PETSC_SIZEOF_VOID_P) == (PETSC_SIZEOF_LONG_LONG)
1156d382aafbSBarry Smith #define PetscFortranAddr   long long
1157d382aafbSBarry Smith #else
1158d382aafbSBarry Smith #error "Unknown size for PetscFortranAddr! Send us a bugreport at petsc-maint@mcs.anl.gov"
1159d382aafbSBarry Smith #endif
1160d382aafbSBarry Smith 
1161d382aafbSBarry Smith /*E
1162d382aafbSBarry Smith     PetscDataType - Used for handling different basic data types.
1163d382aafbSBarry Smith 
1164d382aafbSBarry Smith    Level: beginner
1165d382aafbSBarry Smith 
1166d382aafbSBarry Smith    Developer comment: It would be nice if we could always just use MPI Datatypes, why can we not?
1167d382aafbSBarry Smith 
1168d382aafbSBarry Smith .seealso: PetscBinaryRead(), PetscBinaryWrite(), PetscDataTypeToMPIDataType(),
1169d382aafbSBarry Smith           PetscDataTypeGetSize()
1170d382aafbSBarry Smith 
1171d382aafbSBarry Smith E*/
1172d382aafbSBarry Smith typedef enum {PETSC_INT = 0,PETSC_DOUBLE = 1,PETSC_COMPLEX = 2, PETSC_LONG = 3 ,PETSC_SHORT = 4,PETSC_FLOAT = 5,
1173d382aafbSBarry Smith               PETSC_CHAR = 6,PETSC_LOGICAL = 7,PETSC_ENUM = 8,PETSC_TRUTH=9, PETSC_LONG_DOUBLE = 10, PETSC_QD_DD = 11} PetscDataType;
1174d382aafbSBarry Smith extern const char *PetscDataTypes[];
1175d382aafbSBarry Smith 
1176d382aafbSBarry Smith #if defined(PETSC_USE_COMPLEX)
1177d382aafbSBarry Smith #define PETSC_SCALAR PETSC_COMPLEX
1178d382aafbSBarry Smith #else
1179d382aafbSBarry Smith #if defined(PETSC_USE_SCALAR_SINGLE)
1180d382aafbSBarry Smith #define PETSC_SCALAR PETSC_FLOAT
1181d382aafbSBarry Smith #elif defined(PETSC_USE_SCALAR_LONG_DOUBLE)
1182d382aafbSBarry Smith #define PETSC_SCALAR PETSC_LONG_DOUBLE
1183d382aafbSBarry Smith #elif defined(PETSC_USE_SCALAR_INT)
1184d382aafbSBarry Smith #define PETSC_SCALAR PETSC_INT
1185d382aafbSBarry Smith #elif defined(PETSC_USE_SCALAR_QD_DD)
1186d382aafbSBarry Smith #define PETSC_SCALAR PETSC_QD_DD
1187d382aafbSBarry Smith #else
1188d382aafbSBarry Smith #define PETSC_SCALAR PETSC_DOUBLE
1189d382aafbSBarry Smith #endif
1190d382aafbSBarry Smith #endif
1191d382aafbSBarry Smith #if defined(PETSC_USE_SCALAR_SINGLE)
1192d382aafbSBarry Smith #define PETSC_REAL PETSC_FLOAT
1193d382aafbSBarry Smith #elif defined(PETSC_USE_SCALAR_LONG_DOUBLE)
1194d382aafbSBarry Smith #define PETSC_REAL PETSC_LONG_DOUBLE
1195d382aafbSBarry Smith #elif defined(PETSC_USE_SCALAR_INT)
1196d382aafbSBarry Smith #define PETSC_REAL PETSC_INT
1197d382aafbSBarry Smith #elif defined(PETSC_USE_SCALAR_QD_DD)
1198d382aafbSBarry Smith #define PETSC_REAL PETSC_QD_DD
1199d382aafbSBarry Smith #else
1200d382aafbSBarry Smith #define PETSC_REAL PETSC_DOUBLE
1201d382aafbSBarry Smith #endif
1202d382aafbSBarry Smith #define PETSC_FORTRANADDR PETSC_LONG
1203d382aafbSBarry Smith 
1204d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDataTypeToMPIDataType(PetscDataType,MPI_Datatype*);
1205d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMPIDataTypeToPetscDataType(MPI_Datatype,PetscDataType*);
1206d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDataTypeGetSize(PetscDataType,size_t*);
1207d382aafbSBarry Smith 
1208d382aafbSBarry Smith /*
1209d382aafbSBarry Smith     Basic memory and string operations. These are usually simple wrappers
1210d382aafbSBarry Smith    around the basic Unix system calls, but a few of them have additional
1211d382aafbSBarry Smith    functionality and/or error checking.
1212d382aafbSBarry Smith */
1213d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscBitMemcpy(void*,PetscInt,const void*,PetscInt,PetscInt,PetscDataType);
1214d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMemmove(void*,void *,size_t);
1215d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMemcmp(const void*,const void*,size_t,PetscTruth *);
1216d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrlen(const char[],size_t*);
1217d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrcmp(const char[],const char[],PetscTruth *);
1218d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrgrt(const char[],const char[],PetscTruth *);
1219d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrcasecmp(const char[],const char[],PetscTruth*);
1220d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrncmp(const char[],const char[],size_t,PetscTruth*);
1221d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrcpy(char[],const char[]);
1222d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrcat(char[],const char[]);
1223d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrncat(char[],const char[],size_t);
1224d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrncpy(char[],const char[],size_t);
1225d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrchr(const char[],char,char *[]);
1226d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrtolower(char[]);
1227d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrrchr(const char[],char,char *[]);
1228d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrstr(const char[],const char[],char *[]);
1229d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrrstr(const char[],const char[],char *[]);
1230d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrallocpy(const char[],char *[]);
1231d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrreplace(MPI_Comm,const char[],char[],size_t);
1232d382aafbSBarry Smith 
1233d382aafbSBarry Smith /*S
1234d382aafbSBarry Smith     PetscToken - 'Token' used for managing tokenizing strings
1235d382aafbSBarry Smith 
1236d382aafbSBarry Smith   Level: intermediate
1237d382aafbSBarry Smith 
1238d382aafbSBarry Smith .seealso: PetscTokenCreate(), PetscTokenFind(), PetscTokenDestroy()
1239d382aafbSBarry Smith S*/
1240d382aafbSBarry Smith typedef struct _p_PetscToken* PetscToken;
1241d382aafbSBarry Smith 
1242d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscTokenCreate(const char[],const char,PetscToken*);
1243d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscTokenFind(PetscToken,char *[]);
1244d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscTokenDestroy(PetscToken);
1245d382aafbSBarry Smith 
1246d382aafbSBarry Smith /*
1247d382aafbSBarry Smith    These are  MPI operations for MPI_Allreduce() etc
1248d382aafbSBarry Smith */
1249d382aafbSBarry Smith EXTERN PETSC_DLLEXPORT MPI_Op PetscMaxSum_Op;
1250d382aafbSBarry Smith #if defined(PETSC_USE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)
1251d382aafbSBarry Smith EXTERN PETSC_DLLEXPORT MPI_Op MPIU_SUM;
1252d382aafbSBarry Smith #else
1253d382aafbSBarry Smith #define MPIU_SUM MPI_SUM
1254d382aafbSBarry Smith #endif
1255d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMaxSum(MPI_Comm,const PetscInt[],PetscInt*,PetscInt*);
1256d382aafbSBarry Smith 
1257d382aafbSBarry Smith /*S
1258d382aafbSBarry Smith      PetscObject - any PETSc object, PetscViewer, Mat, Vec, KSP etc
1259d382aafbSBarry Smith 
1260d382aafbSBarry Smith    Level: beginner
1261d382aafbSBarry Smith 
1262d382aafbSBarry Smith    Note: This is the base class from which all objects appear.
1263d382aafbSBarry Smith 
12641890ba74SBarry Smith .seealso:  PetscObjectDestroy(), PetscObjectView(), PetscObjectGetName(), PetscObjectSetName(), PetscObjectReference(), PetscObjectDereferenc()
1265d382aafbSBarry Smith S*/
1266d382aafbSBarry Smith typedef struct _p_PetscObject* PetscObject;
1267d382aafbSBarry Smith 
1268d382aafbSBarry Smith /*S
1269d382aafbSBarry Smith      PetscFList - Linked list of functions, possibly stored in dynamic libraries, accessed
1270d382aafbSBarry Smith       by string name
1271d382aafbSBarry Smith 
1272d382aafbSBarry Smith    Level: advanced
1273d382aafbSBarry Smith 
1274d382aafbSBarry Smith .seealso:  PetscFListAdd(), PetscFListDestroy()
1275d382aafbSBarry Smith S*/
1276d382aafbSBarry Smith typedef struct _n_PetscFList *PetscFList;
1277d382aafbSBarry Smith 
1278d382aafbSBarry Smith /*E
1279d382aafbSBarry Smith   PetscFileMode - Access mode for a file.
1280d382aafbSBarry Smith 
1281d382aafbSBarry Smith   Level: beginner
1282d382aafbSBarry Smith 
1283d382aafbSBarry Smith   FILE_MODE_READ - open a file at its beginning for reading
1284d382aafbSBarry Smith 
1285d382aafbSBarry Smith   FILE_MODE_WRITE - open a file at its beginning for writing (will create if the file does not exist)
1286d382aafbSBarry Smith 
1287d382aafbSBarry Smith   FILE_MODE_APPEND - open a file at end for writing
1288d382aafbSBarry Smith 
1289d382aafbSBarry Smith   FILE_MODE_UPDATE - open a file for updating, meaning for reading and writing
1290d382aafbSBarry Smith 
1291d382aafbSBarry Smith   FILE_MODE_APPEND_UPDATE - open a file for updating, meaning for reading and writing, at the end
1292d382aafbSBarry Smith 
1293d382aafbSBarry Smith .seealso: PetscViewerFileSetMode()
1294d382aafbSBarry Smith E*/
1295d382aafbSBarry Smith typedef enum {FILE_MODE_READ, FILE_MODE_WRITE, FILE_MODE_APPEND, FILE_MODE_UPDATE, FILE_MODE_APPEND_UPDATE} PetscFileMode;
1296d382aafbSBarry Smith 
1297d382aafbSBarry Smith #include "petscviewer.h"
1298d382aafbSBarry Smith #include "petscoptions.h"
1299d382aafbSBarry Smith 
13000700a824SBarry Smith #define PETSC_SMALLEST_CLASSID 1211211
13010700a824SBarry Smith extern PETSC_DLLEXPORT PetscClassId PETSC_LARGEST_CLASSID;
13020700a824SBarry Smith extern PETSC_DLLEXPORT PetscClassId PETSC_OBJECT_CLASSID;
13030700a824SBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscClassIdRegister(const char[],PetscClassId *);
1304d382aafbSBarry Smith 
1305d382aafbSBarry Smith /*
1306d382aafbSBarry Smith    Routines that get memory usage information from the OS
1307d382aafbSBarry Smith */
1308d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryGetCurrentUsage(PetscLogDouble *);
1309d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryGetMaximumUsage(PetscLogDouble *);
1310d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemorySetGetMaximumUsage(void);
1311d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryShowUsage(PetscViewer,const char[]);
1312d382aafbSBarry Smith 
1313d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInfoAllow(PetscTruth,const char []);
1314d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetTime(PetscLogDouble*);
1315d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetCPUTime(PetscLogDouble*);
1316d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSleep(PetscReal);
1317d382aafbSBarry Smith 
1318d382aafbSBarry Smith /*
1319d382aafbSBarry Smith    Initialization of PETSc
1320d382aafbSBarry Smith */
1321d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitialize(int*,char***,const char[],const char[]);
1322d382aafbSBarry Smith PetscPolymorphicSubroutine(PetscInitialize,(int *argc,char ***args),(argc,args,PETSC_NULL,PETSC_NULL))
1323d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitializeNoArguments(void);
1324d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitialized(PetscTruth *);
1325d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFinalized(PetscTruth *);
1326d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFinalize(void);
1327d382aafbSBarry Smith EXTERN PetscErrorCode PetscInitializeFortran(void);
1328d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetArgs(int*,char ***);
1329d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetArguments(char ***);
1330d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFreeArguments(char **);
1331d382aafbSBarry Smith 
1332d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscEnd(void);
1333d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitializePackage(const char[]);
1334d382aafbSBarry Smith 
1335d382aafbSBarry Smith extern MPI_Comm PETSC_COMM_LOCAL_WORLD;
1336d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPMerge(PetscMPIInt,PetscErrorCode (*)(void*),void*);
1337d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPSpawn(PetscMPIInt);
1338d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPFinalize(void);
1339d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPRun(MPI_Comm,PetscErrorCode (*)(MPI_Comm,void *),void*);
1340d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPRunCtx(MPI_Comm,PetscErrorCode (*)(MPI_Comm,void*,void *),void*);
1341d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPFree(MPI_Comm,void*);
1342d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPMalloc(MPI_Comm,size_t,void**);
1343d382aafbSBarry Smith 
1344d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPythonInitialize(const char[],const char[]);
1345d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPythonFinalize(void);
1346d382aafbSBarry Smith 
1347d382aafbSBarry Smith /*
1348d382aafbSBarry Smith      These are so that in extern C code we can caste function pointers to non-extern C
1349d382aafbSBarry Smith    function pointers. Since the regular C++ code expects its function pointers to be
1350d382aafbSBarry Smith    C++.
1351d382aafbSBarry Smith */
1352d382aafbSBarry Smith typedef void (**PetscVoidStarFunction)(void);
1353d382aafbSBarry Smith typedef void (*PetscVoidFunction)(void);
1354d382aafbSBarry Smith typedef PetscErrorCode (*PetscErrorCodeFunction)(void);
1355d382aafbSBarry Smith 
1356d382aafbSBarry Smith /*
1357d382aafbSBarry Smith    PetscTryMethod - Queries an object for a method, if it exists then calls it.
1358d382aafbSBarry Smith               These are intended to be used only inside PETSc functions.
1359503cfb0cSBarry Smith 
1360503cfb0cSBarry Smith    Level: developer
1361503cfb0cSBarry Smith 
1362503cfb0cSBarry Smith .seealso: PetscUseMethod()
1363d382aafbSBarry Smith */
1364d382aafbSBarry Smith #define  PetscTryMethod(obj,A,B,C) \
1365d382aafbSBarry Smith   0;{ PetscErrorCode (*f)B, __ierr; \
1366d382aafbSBarry Smith     __ierr = PetscObjectQueryFunction((PetscObject)obj,A,(PetscVoidStarFunction)&f);CHKERRQ(__ierr); \
1367d382aafbSBarry Smith     if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\
1368d382aafbSBarry Smith   }
1369503cfb0cSBarry Smith 
1370503cfb0cSBarry Smith /*
1371503cfb0cSBarry Smith    PetscUseMethod - Queries an object for a method, if it exists then calls it, otherwise generates an error.
1372503cfb0cSBarry Smith               These are intended to be used only inside PETSc functions.
1373503cfb0cSBarry Smith 
1374503cfb0cSBarry Smith    Level: developer
1375503cfb0cSBarry Smith 
1376503cfb0cSBarry Smith .seealso: PetscTryMethod()
1377503cfb0cSBarry Smith */
1378d382aafbSBarry Smith #define  PetscUseMethod(obj,A,B,C) \
1379d382aafbSBarry Smith   0;{ PetscErrorCode (*f)B, __ierr; \
1380d382aafbSBarry Smith     __ierr = PetscObjectQueryFunction((PetscObject)obj,A,(PetscVoidStarFunction)&f);CHKERRQ(__ierr); \
1381d382aafbSBarry Smith     if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\
1382*e32f2f54SBarry Smith     else {SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Cannot locate function %s in object",A);} \
1383d382aafbSBarry Smith   }
1384503cfb0cSBarry Smith 
1385d382aafbSBarry Smith /*
1386d382aafbSBarry Smith     Functions that can act on any PETSc object.
1387d382aafbSBarry Smith */
1388d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectCreate(MPI_Comm,PetscObject*);
13890700a824SBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectCreateGeneric(MPI_Comm, PetscClassId, const char [], PetscObject *);
1390d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectDestroy(PetscObject);
1391d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetComm(PetscObject,MPI_Comm *);
13923dd7c473SSatish Balay EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetClassId(PetscObject,PetscClassId *);
1393d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetType(PetscObject,const char []);
1394d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetType(PetscObject,const char *[]);
1395d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetName(PetscObject,const char[]);
1396d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetName(PetscObject,const char*[]);
1397d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetTabLevel(PetscObject,PetscInt);
1398d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetTabLevel(PetscObject,PetscInt*);
1399d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectIncrementTabLevel(PetscObject,PetscObject,PetscInt);
1400d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectReference(PetscObject);
1401d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetReference(PetscObject,PetscInt*);
1402d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectDereference(PetscObject);
1403d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetNewTag(PetscObject,PetscMPIInt *);
1404d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectView(PetscObject,PetscViewer);
1405d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectCompose(PetscObject,const char[],PetscObject);
1406d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectQuery(PetscObject,const char[],PetscObject *);
1407d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectComposeFunction(PetscObject,const char[],const char[],void (*)(void));
1408d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetFromOptions(PetscObject);
1409d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetUp(PetscObject);
1410d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommGetNewTag(MPI_Comm,PetscMPIInt *);
1411d382aafbSBarry Smith 
1412d382aafbSBarry Smith /*MC
1413d382aafbSBarry Smith    PetscObjectComposeFunctionDynamic - Associates a function with a given PETSc object.
1414d382aafbSBarry Smith 
1415eca87e8dSBarry Smith     Synopsis:
1416eca87e8dSBarry Smith     PetscErrorCode PetscObjectComposeFunctionDynamic(PetscObject obj,const char name[],const char fname[],void *ptr)
1417eca87e8dSBarry Smith 
1418d382aafbSBarry Smith    Collective on PetscObject
1419d382aafbSBarry Smith 
1420d382aafbSBarry Smith    Input Parameters:
1421d382aafbSBarry Smith +  obj - the PETSc object; this must be cast with a (PetscObject), for example,
1422d382aafbSBarry Smith          PetscObjectCompose((PetscObject)mat,...);
1423d382aafbSBarry Smith .  name - name associated with the child function
1424d382aafbSBarry Smith .  fname - name of the function
1425d382aafbSBarry Smith -  ptr - function pointer (or PETSC_NULL if using dynamic libraries)
1426d382aafbSBarry Smith 
1427d382aafbSBarry Smith    Level: advanced
1428d382aafbSBarry Smith 
1429d382aafbSBarry Smith 
1430d382aafbSBarry Smith    Notes:
1431d382aafbSBarry Smith    To remove a registered routine, pass in a PETSC_NULL rname and fnc().
1432d382aafbSBarry Smith 
1433d382aafbSBarry Smith    PetscObjectComposeFunctionDynamic() can be used with any PETSc object (such as
1434d382aafbSBarry Smith    Mat, Vec, KSP, SNES, etc.) or any user-provided object.
1435d382aafbSBarry Smith 
1436d382aafbSBarry Smith    The composed function must be wrapped in a EXTERN_C_BEGIN/END for this to
1437e2e64c6bSBarry Smith    work in C++/complex with dynamic link libraries (./configure options --with-shared --with-dynamic)
1438d382aafbSBarry Smith    enabled.
1439d382aafbSBarry Smith 
1440d382aafbSBarry Smith    Concepts: objects^composing functions
1441d382aafbSBarry Smith    Concepts: composing functions
1442d382aafbSBarry Smith    Concepts: functions^querying
1443d382aafbSBarry Smith    Concepts: objects^querying
1444d382aafbSBarry Smith    Concepts: querying objects
1445d382aafbSBarry Smith 
1446d382aafbSBarry Smith .seealso: PetscObjectQueryFunction()
1447d382aafbSBarry Smith M*/
1448d382aafbSBarry Smith #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
1449d382aafbSBarry Smith #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,0)
1450d382aafbSBarry Smith #else
1451d382aafbSBarry Smith #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,(PetscVoidFunction)(d))
1452d382aafbSBarry Smith #endif
1453d382aafbSBarry Smith 
1454d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectQueryFunction(PetscObject,const char[],void (**)(void));
1455d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetOptionsPrefix(PetscObject,const char[]);
1456d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectAppendOptionsPrefix(PetscObject,const char[]);
1457d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectPrependOptionsPrefix(PetscObject,const char[]);
1458d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetOptionsPrefix(PetscObject,const char*[]);
1459d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectPublish(PetscObject);
1460d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectChangeTypeName(PetscObject,const char[]);
1461d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectRegisterDestroy(PetscObject);
1462d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectRegisterDestroyAll(void);
1463d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectName(PetscObject);
1464d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTypeCompare(PetscObject,const char[],PetscTruth*);
1465d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRegisterFinalize(PetscErrorCode (*)(void));
1466d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRegisterFinalizeAll(void);
1467d382aafbSBarry Smith 
1468d382aafbSBarry Smith /*
1469d382aafbSBarry Smith     Defines PETSc error handling.
1470d382aafbSBarry Smith */
1471d382aafbSBarry Smith #include "petscerror.h"
1472d382aafbSBarry Smith 
1473d382aafbSBarry Smith /*S
1474503cfb0cSBarry Smith      PetscOList - Linked list of PETSc objects, each accessable by string name
1475d382aafbSBarry Smith 
14761d0fab5eSBarry Smith    Level: developer
1477d382aafbSBarry Smith 
14781d0fab5eSBarry Smith    Notes: Used by PetscObjectCompose() and PetscObjectQuery()
14791d0fab5eSBarry Smith 
14801d0fab5eSBarry Smith .seealso:  PetscOListAdd(), PetscOListDestroy(), PetscOListFind(), PetscObjectCompose(), PetscObjectQuery()
1481d382aafbSBarry Smith S*/
1482d382aafbSBarry Smith typedef struct _n_PetscOList *PetscOList;
1483d382aafbSBarry Smith 
1484d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListDestroy(PetscOList);
1485d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListFind(PetscOList,const char[],PetscObject*);
1486d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListReverseFind(PetscOList,PetscObject,char**);
1487d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListAdd(PetscOList *,const char[],PetscObject);
1488d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListDuplicate(PetscOList,PetscOList *);
1489d382aafbSBarry Smith 
1490d382aafbSBarry Smith /*
1491503cfb0cSBarry Smith     Dynamic library lists. Lists of names of routines in objects or in dynamic
1492d382aafbSBarry Smith   link libraries that will be loaded as needed.
1493d382aafbSBarry Smith */
1494d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListAdd(PetscFList*,const char[],const char[],void (*)(void));
1495d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListDestroy(PetscFList*);
1496d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListFind(PetscFList,MPI_Comm,const char[],void (**)(void));
1497d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListPrintTypes(MPI_Comm,FILE*,const char[],const char[],const char[],const char[],PetscFList,const char[]);
1498d382aafbSBarry Smith #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
1499d382aafbSBarry Smith #define    PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,0)
1500d382aafbSBarry Smith #else
1501d382aafbSBarry Smith #define    PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,(void (*)(void))c)
1502d382aafbSBarry Smith #endif
1503d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListDuplicate(PetscFList,PetscFList *);
1504d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListView(PetscFList,PetscViewer);
1505d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListConcat(const char [],const char [],char []);
1506d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListGet(PetscFList,char ***,int*);
1507d382aafbSBarry Smith 
1508d382aafbSBarry Smith /*S
1509d382aafbSBarry Smith      PetscDLLibrary - Linked list of dynamics libraries to search for functions
1510d382aafbSBarry Smith 
1511d382aafbSBarry Smith    Level: advanced
1512d382aafbSBarry Smith 
1513e2e64c6bSBarry Smith    --with-shared --with-dynamic must be used with ./configure to use dynamic libraries
1514d382aafbSBarry Smith 
1515d382aafbSBarry Smith .seealso:  PetscDLLibraryOpen()
1516d382aafbSBarry Smith S*/
1517d382aafbSBarry Smith typedef struct _n_PetscDLLibrary *PetscDLLibrary;
1518d382aafbSBarry Smith extern PETSC_DLLEXPORT PetscDLLibrary DLLibrariesLoaded;
1519d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryAppend(MPI_Comm,PetscDLLibrary *,const char[]);
1520d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryPrepend(MPI_Comm,PetscDLLibrary *,const char[]);
1521d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibrarySym(MPI_Comm,PetscDLLibrary *,const char[],const char[],void **);
1522d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryPrintPath(PetscDLLibrary);
1523d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryRetrieve(MPI_Comm,const char[],char *,size_t,PetscTruth *);
1524d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryOpen(MPI_Comm,const char[],PetscDLLibrary *);
1525d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryClose(PetscDLLibrary);
1526d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryCCAAppend(MPI_Comm,PetscDLLibrary *,const char[]);
1527d382aafbSBarry Smith 
1528d382aafbSBarry Smith /*
152905846914SDmitry Karpeev   PetscFwk support.  Needs to be documented.
153005846914SDmitry Karpeev   Logically it is an extension of PetscDLLXXX, PetscObjectCompose, etc.
153105846914SDmitry Karpeev */
153205846914SDmitry Karpeev #include "petscfwk.h"
153305846914SDmitry Karpeev 
153405846914SDmitry Karpeev /*
1535d382aafbSBarry Smith      Useful utility routines
1536d382aafbSBarry Smith */
1537d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSplitOwnership(MPI_Comm,PetscInt*,PetscInt*);
1538d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSplitOwnershipBlock(MPI_Comm,PetscInt,PetscInt*,PetscInt*);
1539d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSequentialPhaseBegin(MPI_Comm,PetscMPIInt);
1540d382aafbSBarry Smith PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(MPI_Comm comm),(comm,1))
1541d382aafbSBarry Smith PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(void),(PETSC_COMM_WORLD,1))
1542d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSequentialPhaseEnd(MPI_Comm,PetscMPIInt);
1543d382aafbSBarry Smith PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(MPI_Comm comm),(comm,1))
1544d382aafbSBarry Smith PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(void),(PETSC_COMM_WORLD,1))
1545d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBarrier(PetscObject);
1546d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMPIDump(FILE*);
1547d382aafbSBarry Smith 
1548503cfb0cSBarry Smith /*
1549503cfb0cSBarry Smith     PetscNot - negates a logical type value and returns result as a PetscTruth
1550503cfb0cSBarry Smith 
1551503cfb0cSBarry Smith     Notes: This is useful in cases like
1552503cfb0cSBarry Smith $     int        *a;
1553503cfb0cSBarry Smith $     PetscTruth flag = PetscNot(a)
1554503cfb0cSBarry Smith      where !a does not return a PetscTruth because we cannot provide a cast from int to PetscTruth in C.
1555503cfb0cSBarry Smith */
1556d382aafbSBarry Smith  #define PetscNot(a) ((a) ? PETSC_FALSE : PETSC_TRUE)
1557503cfb0cSBarry Smith 
1558d382aafbSBarry Smith /*
1559d382aafbSBarry Smith     Defines basic graphics available from PETSc.
1560d382aafbSBarry Smith */
1561d382aafbSBarry Smith #include "petscdraw.h"
1562d382aafbSBarry Smith 
1563d382aafbSBarry Smith /*
1564d382aafbSBarry Smith     Defines the base data structures for all PETSc objects
1565d382aafbSBarry Smith */
1566d382aafbSBarry Smith #include "private/petscimpl.h"
1567503cfb0cSBarry Smith 
1568d382aafbSBarry Smith /*
1569d382aafbSBarry Smith      Defines PETSc profiling.
1570d382aafbSBarry Smith */
1571d382aafbSBarry Smith #include "petsclog.h"
1572d382aafbSBarry Smith 
1573d382aafbSBarry Smith /*
1574d382aafbSBarry Smith           For locking, unlocking and destroying AMS memories associated with
1575d382aafbSBarry Smith     PETSc objects. Not currently used.
1576d382aafbSBarry Smith */
1577d382aafbSBarry Smith #define PetscPublishAll(v)           0
1578d382aafbSBarry Smith #define PetscObjectTakeAccess(obj)   0
1579d382aafbSBarry Smith #define PetscObjectGrantAccess(obj)  0
1580d382aafbSBarry Smith #define PetscObjectDepublish(obj)    0
1581d382aafbSBarry Smith 
1582d382aafbSBarry Smith /*
1583d382aafbSBarry Smith       Simple PETSc parallel IO for ASCII printing
1584d382aafbSBarry Smith */
1585d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscFixFilename(const char[],char[]);
1586d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscFOpen(MPI_Comm,const char[],const char[],FILE**);
1587d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscFClose(MPI_Comm,FILE*);
1588d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4);
1589d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscPrintf(MPI_Comm,const char[],...)  PETSC_PRINTF_FORMAT_CHECK(2,3);
1590d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscSNPrintf(char*,size_t,const char [],...);
1591d382aafbSBarry Smith 
1592d382aafbSBarry Smith /* These are used internally by PETSc ASCII IO routines*/
1593d382aafbSBarry Smith #include <stdarg.h>
1594d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscVSNPrintf(char*,size_t,const char[],int*,va_list);
1595d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  (*PetscVFPrintf)(FILE*,const char[],va_list);
1596d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscVFPrintfDefault(FILE*,const char[],va_list);
1597d382aafbSBarry Smith 
1598d382aafbSBarry Smith /*MC
1599d382aafbSBarry Smith     PetscErrorPrintf - Prints error messages.
1600d382aafbSBarry Smith 
1601d382aafbSBarry Smith    Synopsis:
1602d382aafbSBarry Smith      PetscErrorCode (*PetscErrorPrintf)(const char format[],...);
1603d382aafbSBarry Smith 
1604eca87e8dSBarry Smith     Not Collective
1605eca87e8dSBarry Smith 
1606d382aafbSBarry Smith     Input Parameters:
1607d382aafbSBarry Smith .   format - the usual printf() format string
1608d382aafbSBarry Smith 
1609d382aafbSBarry Smith    Options Database Keys:
1610d382aafbSBarry Smith +    -error_output_stdout - cause error messages to be printed to stdout instead of the
1611d382aafbSBarry Smith          (default) stderr
1612d382aafbSBarry Smith -    -error_output_none to turn off all printing of error messages (does not change the way the
1613d382aafbSBarry Smith           error is handled.)
1614d382aafbSBarry Smith 
1615d382aafbSBarry Smith    Notes: Use
1616d382aafbSBarry Smith $     PetscErrorPrintf = PetscErrorPrintfNone; to turn off all printing of error messages (does not change the way the
1617d382aafbSBarry Smith $                        error is handled.) and
1618d382aafbSBarry Smith $     PetscErrorPrintf = PetscErrorPrintfDefault; to turn it back on
1619d382aafbSBarry Smith 
1620d382aafbSBarry Smith           Use
1621d382aafbSBarry Smith      PETSC_STDERR = FILE* obtained from a file open etc. to have stderr printed to the file.
1622d382aafbSBarry Smith      PETSC_STDOUT = FILE* obtained from a file open etc. to have stdout printed to the file.
1623d382aafbSBarry Smith 
1624d382aafbSBarry Smith           Use
1625d382aafbSBarry Smith       PetscPushErrorHandler() to provide your own error handler that determines what kind of messages to print
1626d382aafbSBarry Smith 
1627d382aafbSBarry Smith    Level: developer
1628d382aafbSBarry Smith 
1629d382aafbSBarry Smith     Fortran Note:
1630d382aafbSBarry Smith     This routine is not supported in Fortran.
1631d382aafbSBarry Smith 
1632d382aafbSBarry Smith     Concepts: error messages^printing
1633d382aafbSBarry Smith     Concepts: printing^error messages
1634d382aafbSBarry Smith 
1635d382aafbSBarry Smith .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscHelpPrintf(), PetscPrintf(), PetscErrorHandlerPush()
1636d382aafbSBarry Smith M*/
1637d382aafbSBarry Smith EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscErrorPrintf)(const char[],...);
1638d382aafbSBarry Smith 
1639d382aafbSBarry Smith /*MC
1640d382aafbSBarry Smith     PetscHelpPrintf - Prints help messages.
1641d382aafbSBarry Smith 
1642d382aafbSBarry Smith    Synopsis:
1643d382aafbSBarry Smith      PetscErrorCode (*PetscHelpPrintf)(const char format[],...);
1644d382aafbSBarry Smith 
1645eca87e8dSBarry Smith     Not Collective
1646eca87e8dSBarry Smith 
1647d382aafbSBarry Smith     Input Parameters:
1648d382aafbSBarry Smith .   format - the usual printf() format string
1649d382aafbSBarry Smith 
1650d382aafbSBarry Smith    Level: developer
1651d382aafbSBarry Smith 
1652d382aafbSBarry Smith     Fortran Note:
1653d382aafbSBarry Smith     This routine is not supported in Fortran.
1654d382aafbSBarry Smith 
1655d382aafbSBarry Smith     Concepts: help messages^printing
1656d382aafbSBarry Smith     Concepts: printing^help messages
1657d382aafbSBarry Smith 
1658d382aafbSBarry Smith .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscErrorPrintf()
1659d382aafbSBarry Smith M*/
1660d382aafbSBarry Smith EXTERN PETSC_DLLEXPORT PetscErrorCode  (*PetscHelpPrintf)(MPI_Comm,const char[],...);
1661d382aafbSBarry Smith 
1662d382aafbSBarry Smith EXTERN PetscErrorCode  PetscErrorPrintfDefault(const char [],...);
1663d382aafbSBarry Smith EXTERN PetscErrorCode  PetscErrorPrintfNone(const char [],...);
1664d382aafbSBarry Smith EXTERN PetscErrorCode  PetscHelpPrintfDefault(MPI_Comm,const char [],...);
1665d382aafbSBarry Smith 
1666d382aafbSBarry Smith #if defined(PETSC_HAVE_POPEN)
1667d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscPOpen(MPI_Comm,const char[],const char[],const char[],FILE **);
1668d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscPClose(MPI_Comm,FILE*);
1669d382aafbSBarry Smith #endif
1670d382aafbSBarry Smith 
1671d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscSynchronizedPrintf(MPI_Comm,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3);
1672d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscSynchronizedFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4);
1673d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscSynchronizedFlush(MPI_Comm);
1674d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscSynchronizedFGets(MPI_Comm,FILE*,size_t,char[]);
1675d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscStartMatlab(MPI_Comm,const char[],const char[],FILE**);
1676d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscStartJava(MPI_Comm,const char[],const char[],FILE**);
1677d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscGetPetscDir(const char*[]);
1678d382aafbSBarry Smith 
1679d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscPopUpSelect(MPI_Comm,const char*,const char*,int,const char**,int*);
1680d382aafbSBarry Smith 
1681d382aafbSBarry Smith /*S
1682d382aafbSBarry Smith      PetscContainer - Simple PETSc object that contains a pointer to any required data
1683d382aafbSBarry Smith 
1684d382aafbSBarry Smith    Level: advanced
1685d382aafbSBarry Smith 
1686d382aafbSBarry Smith .seealso:  PetscObject, PetscContainerCreate()
1687d382aafbSBarry Smith S*/
16880700a824SBarry Smith extern PetscClassId PETSC_DLLEXPORT PETSC_CONTAINER_CLASSID;
1689d382aafbSBarry Smith typedef struct _p_PetscContainer*  PetscContainer;
1690d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerGetPointer(PetscContainer,void **);
1691d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerSetPointer(PetscContainer,void *);
1692d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerDestroy(PetscContainer);
1693d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerCreate(MPI_Comm,PetscContainer *);
1694d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerSetUserDestroy(PetscContainer, PetscErrorCode (*)(void*));
1695d382aafbSBarry Smith 
1696d382aafbSBarry Smith /*
1697d382aafbSBarry Smith    For use in debuggers
1698d382aafbSBarry Smith */
1699d382aafbSBarry Smith extern PETSC_DLLEXPORT PetscMPIInt PetscGlobalRank;
1700d382aafbSBarry Smith extern PETSC_DLLEXPORT PetscMPIInt PetscGlobalSize;
1701d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscIntView(PetscInt,const PetscInt[],PetscViewer);
1702d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRealView(PetscInt,const PetscReal[],PetscViewer);
1703d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscScalarView(PetscInt,const PetscScalar[],PetscViewer);
1704d382aafbSBarry Smith 
1705d382aafbSBarry Smith #if defined(PETSC_HAVE_MEMORY_H)
1706d382aafbSBarry Smith #include <memory.h>
1707d382aafbSBarry Smith #endif
1708d382aafbSBarry Smith #if defined(PETSC_HAVE_STDLIB_H)
1709d382aafbSBarry Smith #include <stdlib.h>
1710d382aafbSBarry Smith #endif
1711d382aafbSBarry Smith #if defined(PETSC_HAVE_STRINGS_H)
1712d382aafbSBarry Smith #include <strings.h>
1713d382aafbSBarry Smith #endif
1714d382aafbSBarry Smith #if defined(PETSC_HAVE_STRING_H)
1715d382aafbSBarry Smith #include <string.h>
1716d382aafbSBarry Smith #endif
17176c7e564aSBarry Smith 
17186c7e564aSBarry Smith 
1719d382aafbSBarry Smith #if defined(PETSC_HAVE_XMMINTRIN_H)
1720d382aafbSBarry Smith #include <xmmintrin.h>
1721d382aafbSBarry Smith #endif
1722d382aafbSBarry Smith #if defined(PETSC_HAVE_STDINT_H)
1723d382aafbSBarry Smith #include <stdint.h>
1724d382aafbSBarry Smith #endif
1725d382aafbSBarry Smith 
1726d382aafbSBarry Smith /*@C
1727d382aafbSBarry Smith    PetscMemcpy - Copies n bytes, beginning at location b, to the space
1728d382aafbSBarry Smith    beginning at location a. The two memory regions CANNOT overlap, use
1729d382aafbSBarry Smith    PetscMemmove() in that case.
1730d382aafbSBarry Smith 
1731d382aafbSBarry Smith    Not Collective
1732d382aafbSBarry Smith 
1733d382aafbSBarry Smith    Input Parameters:
1734d382aafbSBarry Smith +  b - pointer to initial memory space
1735d382aafbSBarry Smith -  n - length (in bytes) of space to copy
1736d382aafbSBarry Smith 
1737d382aafbSBarry Smith    Output Parameter:
1738d382aafbSBarry Smith .  a - pointer to copy space
1739d382aafbSBarry Smith 
1740d382aafbSBarry Smith    Level: intermediate
1741d382aafbSBarry Smith 
1742d382aafbSBarry Smith    Compile Option:
1743d382aafbSBarry Smith     PETSC_PREFER_DCOPY_FOR_MEMCPY will cause the BLAS dcopy() routine to be used
1744d382aafbSBarry Smith                                   for memory copies on double precision values.
1745d382aafbSBarry Smith     PETSC_PREFER_COPY_FOR_MEMCPY will cause C code to be used
1746d382aafbSBarry Smith                                   for memory copies on double precision values.
1747d382aafbSBarry Smith     PETSC_PREFER_FORTRAN_FORMEMCPY will cause Fortran code to be used
1748d382aafbSBarry Smith                                   for memory copies on double precision values.
1749d382aafbSBarry Smith 
1750d382aafbSBarry Smith    Note:
1751d382aafbSBarry Smith    This routine is analogous to memcpy().
1752d382aafbSBarry Smith 
1753503cfb0cSBarry Smith    Developer Note: this is inlined for fastest performance
1754503cfb0cSBarry Smith 
1755d382aafbSBarry Smith   Concepts: memory^copying
1756d382aafbSBarry Smith   Concepts: copying^memory
1757d382aafbSBarry Smith 
1758d382aafbSBarry Smith .seealso: PetscMemmove()
1759d382aafbSBarry Smith 
1760d382aafbSBarry Smith @*/
1761d382aafbSBarry Smith PETSC_STATIC_INLINE PetscErrorCode PETSC_DLLEXPORT PetscMemcpy(void *a,const void *b,size_t n)
1762d382aafbSBarry Smith {
1763d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
1764d382aafbSBarry Smith   unsigned long al = (unsigned long) a,bl = (unsigned long) b;
1765d382aafbSBarry Smith   unsigned long nl = (unsigned long) n;
1766*e32f2f54SBarry Smith   if (n > 0 && !b) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy from a null pointer");
1767*e32f2f54SBarry Smith   if (n > 0 && !a) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy to a null pointer");
1768d382aafbSBarry Smith #endif
1769d382aafbSBarry Smith   PetscFunctionBegin;
1770d382aafbSBarry Smith   if (a != b) {
1771d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
1772d382aafbSBarry Smith     if ((al > bl && (al - bl) < nl) || (bl - al) < nl) {
1773*e32f2f54SBarry Smith       SETERRQ3(PETSC_COMM_SELF,PETSC_ERR_ARG_INCOMP,"Memory regions overlap: either use PetscMemmov()\n\
1774d382aafbSBarry Smith               or make sure your copy regions and lengths are correct. \n\
1775d382aafbSBarry Smith               Length (bytes) %ld first address %ld second address %ld",nl,al,bl);
1776d382aafbSBarry Smith     }
1777d382aafbSBarry Smith #endif
1778d382aafbSBarry Smith #if (defined(PETSC_PREFER_DCOPY_FOR_MEMCPY) || defined(PETSC_PREFER_COPY_FOR_MEMCPY) || defined(PETSC_PREFER_FORTRAN_FORMEMCPY))
1779d382aafbSBarry Smith    if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) {
1780d382aafbSBarry Smith       size_t len = n/sizeof(PetscScalar);
1781d382aafbSBarry Smith #if defined(PETSC_PREFER_DCOPY_FOR_MEMCPY)
1782d382aafbSBarry Smith       PetscBLASInt one = 1,blen = PetscBLASIntCast(len);
1783d382aafbSBarry Smith       BLAScopy_(&blen,(PetscScalar *)b,&one,(PetscScalar *)a,&one);
1784d382aafbSBarry Smith #elif defined(PETSC_PREFER_FORTRAN_FORMEMCPY)
1785d382aafbSBarry Smith       fortrancopy_(&len,(PetscScalar*)b,(PetscScalar*)a);
1786d382aafbSBarry Smith #else
1787d382aafbSBarry Smith       size_t      i;
1788d382aafbSBarry Smith       PetscScalar *x = (PetscScalar*)b, *y = (PetscScalar*)a;
1789d382aafbSBarry Smith       for (i=0; i<len; i++) y[i] = x[i];
1790d382aafbSBarry Smith #endif
1791d382aafbSBarry Smith     } else {
1792d382aafbSBarry Smith       memcpy((char*)(a),(char*)(b),n);
1793d382aafbSBarry Smith     }
1794d382aafbSBarry Smith #elif defined(PETSC_HAVE__INTEL_FAST_MEMCPY)
1795d382aafbSBarry Smith     _intel_fast_memcpy((char*)(a),(char*)(b),n);
1796d382aafbSBarry Smith #else
1797d382aafbSBarry Smith     memcpy((char*)(a),(char*)(b),n);
1798d382aafbSBarry Smith #endif
1799d382aafbSBarry Smith   }
1800d382aafbSBarry Smith   PetscFunctionReturn(0);
1801d382aafbSBarry Smith }
1802d382aafbSBarry Smith 
1803d382aafbSBarry Smith /*@C
1804d382aafbSBarry Smith    PetscMemzero - Zeros the specified memory.
1805d382aafbSBarry Smith 
1806d382aafbSBarry Smith    Not Collective
1807d382aafbSBarry Smith 
1808d382aafbSBarry Smith    Input Parameters:
1809d382aafbSBarry Smith +  a - pointer to beginning memory location
1810d382aafbSBarry Smith -  n - length (in bytes) of memory to initialize
1811d382aafbSBarry Smith 
1812d382aafbSBarry Smith    Level: intermediate
1813d382aafbSBarry Smith 
1814d382aafbSBarry Smith    Compile Option:
1815d382aafbSBarry Smith    PETSC_PREFER_BZERO - on certain machines (the IBM RS6000) the bzero() routine happens
1816d382aafbSBarry Smith   to be faster than the memset() routine. This flag causes the bzero() routine to be used.
1817d382aafbSBarry Smith 
1818503cfb0cSBarry Smith    Developer Note: this is inlined for fastest performance
1819503cfb0cSBarry Smith 
1820d382aafbSBarry Smith    Concepts: memory^zeroing
1821d382aafbSBarry Smith    Concepts: zeroing^memory
1822d382aafbSBarry Smith 
1823d382aafbSBarry Smith .seealso: PetscMemcpy()
1824d382aafbSBarry Smith @*/
1825d382aafbSBarry Smith PETSC_STATIC_INLINE PetscErrorCode PETSC_DLLEXPORT PetscMemzero(void *a,size_t n)
1826d382aafbSBarry Smith {
1827d382aafbSBarry Smith   if (n > 0) {
1828d382aafbSBarry Smith #if defined(PETSC_USE_DEBUG)
1829*e32f2f54SBarry Smith     if (!a) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to zero at a null pointer");
1830d382aafbSBarry Smith #endif
1831d382aafbSBarry Smith #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO)
1832d382aafbSBarry Smith     if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) {
1833d382aafbSBarry Smith       size_t      i,len = n/sizeof(PetscScalar);
1834d382aafbSBarry Smith       PetscScalar *x = (PetscScalar*)a;
1835d382aafbSBarry Smith       for (i=0; i<len; i++) x[i] = 0.0;
1836d382aafbSBarry Smith     } else {
1837d382aafbSBarry Smith #elif defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO)
1838d382aafbSBarry Smith     if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) {
1839d382aafbSBarry Smith       PetscInt len = n/sizeof(PetscScalar);
1840d382aafbSBarry Smith       fortranzero_(&len,(PetscScalar*)a);
1841d382aafbSBarry Smith     } else {
1842d382aafbSBarry Smith #endif
1843d382aafbSBarry Smith #if defined(PETSC_PREFER_BZERO)
1844d382aafbSBarry Smith       bzero((char *)a,n);
1845d382aafbSBarry Smith #elif defined (PETSC_HAVE__INTEL_FAST_MEMSET)
1846d382aafbSBarry Smith       _intel_fast_memset((char*)a,0,n);
1847d382aafbSBarry Smith #else
1848d382aafbSBarry Smith       memset((char*)a,0,n);
1849d382aafbSBarry Smith #endif
1850d382aafbSBarry Smith #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO) || defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO)
1851d382aafbSBarry Smith     }
1852d382aafbSBarry Smith #endif
1853d382aafbSBarry Smith   }
1854d382aafbSBarry Smith   return 0;
1855d382aafbSBarry Smith }
1856d382aafbSBarry Smith 
1857d382aafbSBarry Smith /*MC
1858d382aafbSBarry Smith    PetscPrefetchBlock - Prefetches a block of memory
1859d382aafbSBarry Smith 
1860eca87e8dSBarry Smith    Synopsis:
1861eca87e8dSBarry Smith     void PetscPrefetchBlock(const anytype *a,size_t n,int rw,int t)
1862eca87e8dSBarry Smith 
1863d382aafbSBarry Smith    Not Collective
1864d382aafbSBarry Smith 
1865d382aafbSBarry Smith    Input Parameters:
1866d382aafbSBarry Smith +  a - pointer to first element to fetch (any type but usually PetscInt or PetscScalar)
1867d382aafbSBarry Smith .  n - number of elements to fetch
1868d382aafbSBarry Smith .  rw - 1 if the memory will be written to, otherwise 0 (ignored by many processors)
1869d382aafbSBarry Smith -  t - temporal locality (0,1,2,3), see note
1870d382aafbSBarry Smith 
1871d382aafbSBarry Smith    Level: developer
1872d382aafbSBarry Smith 
1873d382aafbSBarry Smith    Notes:
1874d382aafbSBarry Smith    The last two arguments (rw and t) must be compile-time constants.
1875d382aafbSBarry Smith 
1876d382aafbSBarry Smith    There are four levels of temporal locality (not all architectures distinguish)
1877d382aafbSBarry Smith +  0 - Non-temporal.  Prefetches directly to L1, evicts to memory (skips higher level cache unless it was already there when prefetched).
1878d382aafbSBarry Smith .  1 - Temporal with respect to high-level cache only.  Only prefetches to high-level cache (not L1), kept at high levels after eviction from L1.
1879d382aafbSBarry Smith .  2 - Same as 1, but keep in mid-level cache.  (On most systems, 1 and 2 are equivalent.)
1880d382aafbSBarry Smith -  3 - Fetch to all levels of cache and evict to the closest level.  Use this when the memory will be reused regularly despite necessary eviction from L1.
1881d382aafbSBarry Smith 
1882d382aafbSBarry Smith    This function does nothing on architectures that do not support prefetch and never errors (even if passed an invalid
1883d382aafbSBarry Smith    address).
1884d382aafbSBarry Smith 
1885d382aafbSBarry Smith    Concepts: memory
1886d382aafbSBarry Smith M*/
1887d382aafbSBarry Smith #define PetscPrefetchBlock(a,n,rw,t) do {                               \
1888d382aafbSBarry Smith     const char *_p = (const char*)(a),*_end = (const char*)((a)+(n));   \
1889d382aafbSBarry Smith     for ( ; _p < _end; _p += PETSC_LEVEL1_DCACHE_LINESIZE) PETSC_Prefetch(_p,(rw),(t)); \
1890d382aafbSBarry Smith   } while (0)
1891d382aafbSBarry Smith 
1892d382aafbSBarry Smith /*
1893d382aafbSBarry Smith     Allows accessing Matlab Engine
1894d382aafbSBarry Smith */
1895d382aafbSBarry Smith #include "petscmatlab.h"
1896d382aafbSBarry Smith 
1897d382aafbSBarry Smith /*
1898d382aafbSBarry Smith       Determine if some of the kernel computation routines use
1899d382aafbSBarry Smith    Fortran (rather than C) for the numerical calculations. On some machines
1900d382aafbSBarry Smith    and compilers (like complex numbers) the Fortran version of the routines
1901d382aafbSBarry Smith    is faster than the C/C++ versions. The flag --with-fortran-kernels
1902e2e64c6bSBarry Smith    should be used with ./configure to turn these on.
1903d382aafbSBarry Smith */
1904d382aafbSBarry Smith #if defined(PETSC_USE_FORTRAN_KERNELS)
1905d382aafbSBarry Smith 
1906d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTCRL)
1907d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_MULTCRL
1908d382aafbSBarry Smith #endif
1909d382aafbSBarry Smith 
1910d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTCSRPERM)
1911d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_MULTCSRPERM
1912d382aafbSBarry Smith #endif
1913d382aafbSBarry Smith 
1914d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJ)
1915d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_MULTAIJ
1916d382aafbSBarry Smith #endif
1917d382aafbSBarry Smith 
1918d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ)
1919d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ
1920d382aafbSBarry Smith #endif
1921d382aafbSBarry Smith 
1922d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_NORM)
1923d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_NORM
1924d382aafbSBarry Smith #endif
1925d382aafbSBarry Smith 
1926d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_MAXPY)
1927d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_MAXPY
1928d382aafbSBarry Smith #endif
1929d382aafbSBarry Smith 
1930d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ)
1931d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ
1932d382aafbSBarry Smith #endif
1933d382aafbSBarry Smith 
1934d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_RELAXAIJ)
1935d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_RELAXAIJ
1936d382aafbSBarry Smith #endif
1937d382aafbSBarry Smith 
1938d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ)
1939d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ
1940d382aafbSBarry Smith #endif
1941d382aafbSBarry Smith 
1942d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ)
1943d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ
1944d382aafbSBarry Smith #endif
1945d382aafbSBarry Smith 
1946d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_MDOT)
1947d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_MDOT
1948d382aafbSBarry Smith #endif
1949d382aafbSBarry Smith 
1950d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_XTIMESY)
1951d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_XTIMESY
1952d382aafbSBarry Smith #endif
1953d382aafbSBarry Smith 
1954d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_AYPX)
1955d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_AYPX
1956d382aafbSBarry Smith #endif
1957d382aafbSBarry Smith 
1958d382aafbSBarry Smith #if !defined(PETSC_USE_FORTRAN_KERNEL_WAXPY)
1959d382aafbSBarry Smith #define PETSC_USE_FORTRAN_KERNEL_WAXPY
1960d382aafbSBarry Smith #endif
1961d382aafbSBarry Smith 
1962d382aafbSBarry Smith #endif
1963d382aafbSBarry Smith 
1964d382aafbSBarry Smith /*
1965d382aafbSBarry Smith     Macros for indicating code that should be compiled with a C interface,
1966d382aafbSBarry Smith    rather than a C++ interface. Any routines that are dynamically loaded
1967d382aafbSBarry Smith    (such as the PCCreate_XXX() routines) must be wrapped so that the name
1968d382aafbSBarry Smith    mangler does not change the functions symbol name. This just hides the
1969d382aafbSBarry Smith    ugly extern "C" {} wrappers.
1970d382aafbSBarry Smith */
1971d382aafbSBarry Smith #if defined(__cplusplus)
1972d382aafbSBarry Smith #define EXTERN_C_BEGIN extern "C" {
1973d382aafbSBarry Smith #define EXTERN_C_END }
1974d382aafbSBarry Smith #else
1975d382aafbSBarry Smith #define EXTERN_C_BEGIN
1976d382aafbSBarry Smith #define EXTERN_C_END
1977d382aafbSBarry Smith #endif
1978d382aafbSBarry Smith 
1979d382aafbSBarry Smith /* --------------------------------------------------------------------*/
1980d382aafbSBarry Smith 
1981d382aafbSBarry Smith /*MC
1982d382aafbSBarry Smith     MPI_Comm - the basic object used by MPI to determine which processes are involved in a
1983d382aafbSBarry Smith         communication
1984d382aafbSBarry Smith 
1985d382aafbSBarry Smith    Level: beginner
1986d382aafbSBarry Smith 
1987d382aafbSBarry Smith    Note: This manual page is a place-holder because MPICH does not have a manual page for MPI_Comm
1988d382aafbSBarry Smith 
1989d382aafbSBarry Smith .seealso: PETSC_COMM_WORLD, PETSC_COMM_SELF
1990d382aafbSBarry Smith M*/
1991d382aafbSBarry Smith 
1992d382aafbSBarry Smith /*MC
1993d382aafbSBarry Smith     PetscScalar - PETSc type that represents either a double precision real number, a double precision
1994d382aafbSBarry Smith        complex number, a single precision real number, a long double or an int - if the code is configured
1995d382aafbSBarry Smith        with --with-scalar-type=real,complex --with-precision=single,double,longdouble,int,matsingle
1996d382aafbSBarry Smith 
1997d382aafbSBarry Smith 
1998d382aafbSBarry Smith    Level: beginner
1999d382aafbSBarry Smith 
2000d382aafbSBarry Smith .seealso: PetscReal, PassiveReal, PassiveScalar, MPIU_SCALAR, PetscInt
2001d382aafbSBarry Smith M*/
2002d382aafbSBarry Smith 
2003d382aafbSBarry Smith /*MC
2004d382aafbSBarry Smith     PetscReal - PETSc type that represents a real number version of PetscScalar
2005d382aafbSBarry Smith 
2006d382aafbSBarry Smith    Level: beginner
2007d382aafbSBarry Smith 
2008d382aafbSBarry Smith .seealso: PetscScalar, PassiveReal, PassiveScalar
2009d382aafbSBarry Smith M*/
2010d382aafbSBarry Smith 
2011d382aafbSBarry Smith /*MC
2012d382aafbSBarry Smith     PassiveScalar - PETSc type that represents a PetscScalar
2013d382aafbSBarry Smith    Level: beginner
2014d382aafbSBarry Smith 
2015d382aafbSBarry Smith     This is the same as a PetscScalar except in code that is automatically differentiated it is
2016d382aafbSBarry Smith    treated as a constant (not an indendent or dependent variable)
2017d382aafbSBarry Smith 
2018d382aafbSBarry Smith .seealso: PetscReal, PassiveReal, PetscScalar
2019d382aafbSBarry Smith M*/
2020d382aafbSBarry Smith 
2021d382aafbSBarry Smith /*MC
2022d382aafbSBarry Smith     PassiveReal - PETSc type that represents a PetscReal
2023d382aafbSBarry Smith 
2024d382aafbSBarry Smith    Level: beginner
2025d382aafbSBarry Smith 
2026d382aafbSBarry Smith     This is the same as a PetscReal except in code that is automatically differentiated it is
2027d382aafbSBarry Smith    treated as a constant (not an indendent or dependent variable)
2028d382aafbSBarry Smith 
2029d382aafbSBarry Smith .seealso: PetscScalar, PetscReal, PassiveScalar
2030d382aafbSBarry Smith M*/
2031d382aafbSBarry Smith 
2032d382aafbSBarry Smith /*MC
2033d382aafbSBarry Smith     MPIU_SCALAR - MPI datatype corresponding to PetscScalar
2034d382aafbSBarry Smith 
2035d382aafbSBarry Smith    Level: beginner
2036d382aafbSBarry Smith 
2037d382aafbSBarry Smith     Note: In MPI calls that require an MPI datatype that matches a PetscScalar or array of PetscScalars
2038d382aafbSBarry Smith           pass this value
2039d382aafbSBarry Smith 
2040d382aafbSBarry Smith .seealso: PetscReal, PassiveReal, PassiveScalar, PetscScalar, MPIU_INT
2041d382aafbSBarry Smith M*/
2042d382aafbSBarry Smith 
2043d382aafbSBarry Smith #if defined(PETSC_HAVE_MPIIO)
2044d382aafbSBarry Smith #if !defined(PETSC_WORDS_BIGENDIAN)
2045d382aafbSBarry Smith extern PetscErrorCode MPIU_File_write_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*);
2046d382aafbSBarry Smith extern PetscErrorCode MPIU_File_read_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*);
2047d382aafbSBarry Smith #else
2048d382aafbSBarry Smith #define MPIU_File_write_all(a,b,c,d,e) MPI_File_write_all(a,b,c,d,e)
2049d382aafbSBarry Smith #define MPIU_File_read_all(a,b,c,d,e) MPI_File_read_all(a,b,c,d,e)
2050d382aafbSBarry Smith #endif
2051d382aafbSBarry Smith #endif
2052d382aafbSBarry Smith 
2053d382aafbSBarry Smith /* the following petsc_static_inline require petscerror.h */
2054d382aafbSBarry Smith 
2055d382aafbSBarry Smith /* Limit MPI to 32-bits */
2056d382aafbSBarry Smith #define PETSC_MPI_INT_MAX  2147483647
2057d382aafbSBarry Smith #define PETSC_MPI_INT_MIN -2147483647
2058d382aafbSBarry Smith /* Limit BLAS to 32-bits */
2059d382aafbSBarry Smith #define PETSC_BLAS_INT_MAX  2147483647
2060d382aafbSBarry Smith #define PETSC_BLAS_INT_MIN -2147483647
2061d382aafbSBarry Smith /* On 32 bit systems HDF5 is limited by size of integer, because hsize_t is defined as size_t */
2062d382aafbSBarry Smith #define PETSC_HDF5_INT_MAX  2147483647
2063d382aafbSBarry Smith #define PETSC_HDF5_INT_MIN -2147483647
2064d382aafbSBarry Smith 
2065d382aafbSBarry Smith #if defined(PETSC_USE_64BIT_INDICES)
2066*e32f2f54SBarry Smith #define PetscMPIIntCheck(a)  if ((a) > PETSC_MPI_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Message too long for MPI")
2067*e32f2f54SBarry Smith #define PetscBLASIntCheck(a)  if ((a) > PETSC_BLAS_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Array too long for BLAS/LAPACK")
2068d382aafbSBarry Smith #define PetscMPIIntCast(a) (a);PetscMPIIntCheck(a)
2069d382aafbSBarry Smith #define PetscBLASIntCast(a) (a);PetscBLASIntCheck(a)
2070d382aafbSBarry Smith 
2071d382aafbSBarry Smith #if (PETSC_SIZEOF_SIZE_T == 4)
2072*e32f2f54SBarry Smith #define PetscHDF5IntCheck(a)  if ((a) > PETSC_HDF5_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Array too long for HDF5")
2073d382aafbSBarry Smith #define PetscHDF5IntCast(a) (a);PetscHDF5IntCheck(a)
2074d382aafbSBarry Smith #else
2075d382aafbSBarry Smith #define PetscHDF5IntCheck(a)
2076d382aafbSBarry Smith #define PetscHDF5IntCast(a) a
2077d382aafbSBarry Smith #endif
2078d382aafbSBarry Smith 
2079d382aafbSBarry Smith #else
2080d382aafbSBarry Smith #define PetscMPIIntCheck(a)
2081d382aafbSBarry Smith #define PetscBLASIntCheck(a)
2082d382aafbSBarry Smith #define PetscHDF5IntCheck(a)
2083d382aafbSBarry Smith #define PetscMPIIntCast(a) a
2084d382aafbSBarry Smith #define PetscBLASIntCast(a) a
2085d382aafbSBarry Smith #define PetscHDF5IntCast(a) a
2086d382aafbSBarry Smith #endif
2087d382aafbSBarry Smith 
2088d382aafbSBarry Smith 
2089d382aafbSBarry Smith /*
2090d382aafbSBarry Smith      The IBM include files define hz, here we hide it so that it may be used
2091d382aafbSBarry Smith    as a regular user variable.
2092d382aafbSBarry Smith */
2093d382aafbSBarry Smith #if defined(hz)
2094d382aafbSBarry Smith #undef hz
2095d382aafbSBarry Smith #endif
2096d382aafbSBarry Smith 
2097d382aafbSBarry Smith /*  For arrays that contain filenames or paths */
2098d382aafbSBarry Smith 
2099d382aafbSBarry Smith 
2100d382aafbSBarry Smith #if defined(PETSC_HAVE_LIMITS_H)
2101d382aafbSBarry Smith #include <limits.h>
2102d382aafbSBarry Smith #endif
2103d382aafbSBarry Smith #if defined(PETSC_HAVE_SYS_PARAM_H)
2104d382aafbSBarry Smith #include <sys/param.h>
2105d382aafbSBarry Smith #endif
2106d382aafbSBarry Smith #if defined(PETSC_HAVE_SYS_TYPES_H)
2107d382aafbSBarry Smith #include <sys/types.h>
2108d382aafbSBarry Smith #endif
2109d382aafbSBarry Smith #if defined(MAXPATHLEN)
2110d382aafbSBarry Smith #  define PETSC_MAX_PATH_LEN     MAXPATHLEN
2111d382aafbSBarry Smith #elif defined(MAX_PATH)
2112d382aafbSBarry Smith #  define PETSC_MAX_PATH_LEN     MAX_PATH
2113d382aafbSBarry Smith #elif defined(_MAX_PATH)
2114d382aafbSBarry Smith #  define PETSC_MAX_PATH_LEN     _MAX_PATH
2115d382aafbSBarry Smith #else
2116d382aafbSBarry Smith #  define PETSC_MAX_PATH_LEN     4096
2117d382aafbSBarry Smith #endif
2118d382aafbSBarry Smith 
2119d382aafbSBarry Smith /* Special support for C++ */
2120d382aafbSBarry Smith #include "petscsys.hh"
21216c7e564aSBarry Smith 
2122d382aafbSBarry Smith 
2123d382aafbSBarry Smith /*MC
2124d382aafbSBarry Smith 
2125d382aafbSBarry Smith     UsingFortran - Fortran can be used with PETSc in four distinct approaches
2126d382aafbSBarry Smith 
2127d382aafbSBarry Smith $    1) classic Fortran 77 style
2128d382aafbSBarry Smith $#include "petscXXX.h" to work with material from the XXX component of PETSc
2129d382aafbSBarry Smith $       XXX variablename
2130d382aafbSBarry Smith $      You cannot use this approach if you wish to use the Fortran 90 specific PETSc routines
2131d382aafbSBarry Smith $      which end in F90; such as VecGetArrayF90()
2132d382aafbSBarry Smith $
2133d382aafbSBarry Smith $    2) classic Fortran 90 style
2134d382aafbSBarry Smith $#include "petscXXX.h"
2135d382aafbSBarry Smith $#include "petscXXX.h90" to work with material from the XXX component of PETSc
2136d382aafbSBarry Smith $       XXX variablename
2137d382aafbSBarry Smith $
2138d382aafbSBarry Smith $    3) Using Fortran modules
2139d382aafbSBarry Smith $#include "petscXXXdef.h"
2140d382aafbSBarry Smith $         use petscXXXX
2141d382aafbSBarry Smith $       XXX variablename
2142d382aafbSBarry Smith $
2143d382aafbSBarry Smith $    4) Use Fortran modules and Fortran data types for PETSc types
2144d382aafbSBarry Smith $#include "petscXXXdef.h"
2145d382aafbSBarry Smith $         use petscXXXX
2146d382aafbSBarry Smith $       type(XXX) variablename
2147e2e64c6bSBarry Smith $      To use this approach you must ./configure PETSc with the additional
2148d382aafbSBarry Smith $      option --with-fortran-datatypes You cannot use the type(XXX) declaration approach without using Fortran modules
2149d382aafbSBarry Smith 
2150d382aafbSBarry Smith     Finally if you absolutely do not want to use any #include you can use either
2151d382aafbSBarry Smith 
2152d382aafbSBarry Smith $    3a) skip the #include BUT you cannot use any PETSc data type names like Vec, Mat, PetscInt, PetscErrorCode etc
2153d382aafbSBarry Smith $        and you must declare the variables as integer, for example
2154d382aafbSBarry Smith $        integer variablename
2155d382aafbSBarry Smith $
2156d382aafbSBarry Smith $    4a) skip the #include, you use the object types like type(Vec) type(Mat) but cannot use the data type
2157d382aafbSBarry Smith $        names like PetscErrorCode, PetscInt etc. again for those you must use integer
2158d382aafbSBarry Smith 
2159d382aafbSBarry Smith    We recommend either 2 or 3. Approaches 2 and 3 provide type checking for most PETSc function calls; 4 has type checking
2160d382aafbSBarry Smith for only a few PETSc functions.
2161d382aafbSBarry Smith 
2162d382aafbSBarry Smith    Fortran type checking with interfaces is strick, this means you cannot pass a scalar value when an array value
2163d382aafbSBarry Smith is expected (even though it is legal Fortran). For example when setting a single value in a matrix with MatSetValues()
2164d382aafbSBarry Smith you cannot have something like
2165d382aafbSBarry Smith $      PetscInt row,col
2166d382aafbSBarry Smith $      PetscScalar val
2167d382aafbSBarry Smith $        ...
2168d382aafbSBarry Smith $      call MatSetValues(mat,1,row,1,col,val,INSERT_VALUES,ierr)
2169d382aafbSBarry Smith You must instead have
2170d382aafbSBarry Smith $      PetscInt row(1),col(1)
2171d382aafbSBarry Smith $      PetscScalar val(1)
2172d382aafbSBarry Smith $        ...
2173d382aafbSBarry Smith $      call MatSetValues(mat,1,row,1,col,val,INSERT_VALUES,ierr)
2174d382aafbSBarry Smith 
2175d382aafbSBarry Smith 
2176d382aafbSBarry Smith     See the example src/vec/vec/examples/tutorials/ex20f90.F90 for an example that can use all four approaches
2177d382aafbSBarry Smith 
2178d382aafbSBarry Smith     Developer Notes: The finclude/petscXXXdef.h contain all the #defines (would be typedefs in C code) these
2179d382aafbSBarry Smith      automatically include their predecessors; for example finclude/petscvecdef.h includes finclude/petscisdef.h
2180d382aafbSBarry Smith 
2181d382aafbSBarry Smith      The finclude/petscXXXX.h contain all the parameter statements for that package. These automatically include
2182d382aafbSBarry Smith      their finclude/petscXXXdef.h file but DO NOT automatically include their predecessors;  for example
2183d382aafbSBarry Smith      finclude/petscvec.h does NOT automatically include finclude/petscis.h
2184d382aafbSBarry Smith 
2185d382aafbSBarry Smith      The finclude/ftn-custom/petscXXXdef.h90 are not intended to be used directly in code, they define the
2186e2e64c6bSBarry Smith      Fortran data type type(XXX) (for example type(Vec)) when PETSc is ./configure with the --with-fortran-datatypes option.
2187d382aafbSBarry Smith 
2188d382aafbSBarry Smith      The finclude/ftn-custom/petscXXX.h90 (not included directly by code) contain interface definitions for
2189d382aafbSBarry Smith      the PETSc Fortran stubs that have different bindings then their C version (for example VecGetArrayF90).
2190d382aafbSBarry Smith 
2191d382aafbSBarry Smith      The finclude/ftn-auto/petscXXX.h90 (not included directly by code) contain interface definitions generated
2192d382aafbSBarry Smith      automatically by "make allfortranstubs".
2193d382aafbSBarry Smith 
2194e2e64c6bSBarry Smith      The finclude/petscXXX.h90 includes the custom finclude/ftn-custom/petscXXX.h90 and if ./configure
2195d382aafbSBarry Smith      was run with --with-fortran-interfaces it also includes the finclude/ftn-auto/petscXXX.h90 These DO NOT automatically
2196d382aafbSBarry Smith      include their predecessors
2197d382aafbSBarry Smith 
2198d382aafbSBarry Smith     Level: beginner
2199d382aafbSBarry Smith 
2200d382aafbSBarry Smith M*/
2201d382aafbSBarry Smith 
2202d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetArchType(char[],size_t);
2203d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetHostName(char[],size_t);
2204d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetUserName(char[],size_t);
2205d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetProgramName(char[],size_t);
2206d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetProgramName(const char[]);
2207d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetDate(char[],size_t);
2208d382aafbSBarry Smith 
2209d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortInt(PetscInt,PetscInt[]);
2210d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortIntWithPermutation(PetscInt,const PetscInt[],PetscInt[]);
2211d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortStrWithPermutation(PetscInt,const char*[],PetscInt[]);
2212d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortIntWithArray(PetscInt,PetscInt[],PetscInt[]);
2213d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortMPIIntWithArray(PetscMPIInt,PetscMPIInt[],PetscMPIInt[]);
2214d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortIntWithScalarArray(PetscInt,PetscInt[],PetscScalar[]);
2215d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortReal(PetscInt,PetscReal[]);
2216d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortRealWithPermutation(PetscInt,const PetscReal[],PetscInt[]);
2217d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortSplit(PetscInt,PetscInt,PetscScalar[],PetscInt[]);
2218d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortSplitReal(PetscInt,PetscInt,PetscReal[],PetscInt[]);
2219d382aafbSBarry Smith 
2220d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetDisplay(void);
2221d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetDisplay(char[],size_t);
2222d382aafbSBarry Smith 
2223d382aafbSBarry Smith /*E
2224d382aafbSBarry Smith     PetscRandomType - String with the name of a PETSc randomizer
2225d382aafbSBarry Smith        with an optional dynamic library name, for example
2226d382aafbSBarry Smith        http://www.mcs.anl.gov/petsc/lib.a:myrandcreate()
2227d382aafbSBarry Smith 
2228d382aafbSBarry Smith    Level: beginner
2229d382aafbSBarry Smith 
2230e2e64c6bSBarry Smith    Notes: to use the SPRNG you must have ./configure PETSc
2231d382aafbSBarry Smith    with the option --download-sprng
2232d382aafbSBarry Smith 
2233d382aafbSBarry Smith .seealso: PetscRandomSetType(), PetscRandom
2234d382aafbSBarry Smith E*/
2235d382aafbSBarry Smith #define PetscRandomType char*
2236d382aafbSBarry Smith #define PETSCRAND       "rand"
2237d382aafbSBarry Smith #define PETSCRAND48     "rand48"
2238d382aafbSBarry Smith #define PETSCSPRNG      "sprng"
2239d382aafbSBarry Smith 
2240d382aafbSBarry Smith /* Logging support */
22410700a824SBarry Smith extern PETSC_DLLEXPORT PetscClassId PETSC_RANDOM_CLASSID;
2242d382aafbSBarry Smith 
2243d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomInitializePackage(const char[]);
2244d382aafbSBarry Smith 
2245d382aafbSBarry Smith /*S
2246d382aafbSBarry Smith      PetscRandom - Abstract PETSc object that manages generating random numbers
2247d382aafbSBarry Smith 
2248d382aafbSBarry Smith    Level: intermediate
2249d382aafbSBarry Smith 
2250d382aafbSBarry Smith   Concepts: random numbers
2251d382aafbSBarry Smith 
2252d382aafbSBarry Smith .seealso:  PetscRandomCreate(), PetscRandomGetValue(), PetscRandomType
2253d382aafbSBarry Smith S*/
2254d382aafbSBarry Smith typedef struct _p_PetscRandom*   PetscRandom;
2255d382aafbSBarry Smith 
2256d382aafbSBarry Smith /* Dynamic creation and loading functions */
2257d382aafbSBarry Smith extern PetscFList PetscRandomList;
2258d382aafbSBarry Smith extern PetscTruth PetscRandomRegisterAllCalled;
2259d382aafbSBarry Smith 
2260d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomRegisterAll(const char []);
2261d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomRegister(const char[],const char[],const char[],PetscErrorCode (*)(PetscRandom));
2262d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomRegisterDestroy(void);
2263d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomSetType(PetscRandom, const PetscRandomType);
2264d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomSetFromOptions(PetscRandom);
2265d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomGetType(PetscRandom, const PetscRandomType*);
2266d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomViewFromOptions(PetscRandom,char*);
2267d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomView(PetscRandom,PetscViewer);
2268d382aafbSBarry Smith 
2269d382aafbSBarry Smith /*MC
2270d382aafbSBarry Smith   PetscRandomRegisterDynamic - Adds a new PetscRandom component implementation
2271d382aafbSBarry Smith 
2272d382aafbSBarry Smith   Synopsis:
22731890ba74SBarry Smith   PetscErrorCode PetscRandomRegisterDynamic(const char *name, const char *path, const char *func_name, PetscErrorCode (*create_func)(PetscRandom))
2274d382aafbSBarry Smith 
2275d382aafbSBarry Smith   Not Collective
2276d382aafbSBarry Smith 
2277d382aafbSBarry Smith   Input Parameters:
2278d382aafbSBarry Smith + name        - The name of a new user-defined creation routine
2279d382aafbSBarry Smith . path        - The path (either absolute or relative) of the library containing this routine
2280d382aafbSBarry Smith . func_name   - The name of routine to create method context
2281d382aafbSBarry Smith - create_func - The creation routine itself
2282d382aafbSBarry Smith 
2283d382aafbSBarry Smith   Notes:
2284d382aafbSBarry Smith   PetscRandomRegisterDynamic() may be called multiple times to add several user-defined randome number generators
2285d382aafbSBarry Smith 
2286d382aafbSBarry Smith   If dynamic libraries are used, then the fourth input argument (routine_create) is ignored.
2287d382aafbSBarry Smith 
2288d382aafbSBarry Smith   Sample usage:
2289d382aafbSBarry Smith .vb
2290d382aafbSBarry Smith     PetscRandomRegisterDynamic("my_rand","/home/username/my_lib/lib/libO/solaris/libmy.a", "MyPetscRandomtorCreate", MyPetscRandomtorCreate);
2291d382aafbSBarry Smith .ve
2292d382aafbSBarry Smith 
2293d382aafbSBarry Smith   Then, your random type can be chosen with the procedural interface via
2294d382aafbSBarry Smith .vb
2295d382aafbSBarry Smith     PetscRandomCreate(MPI_Comm, PetscRandom *);
2296d382aafbSBarry Smith     PetscRandomSetType(PetscRandom,"my_random_name");
2297d382aafbSBarry Smith .ve
2298d382aafbSBarry Smith    or at runtime via the option
2299d382aafbSBarry Smith .vb
2300d382aafbSBarry Smith     -random_type my_random_name
2301d382aafbSBarry Smith .ve
2302d382aafbSBarry Smith 
2303d382aafbSBarry Smith   Notes: $PETSC_ARCH occuring in pathname will be replaced with appropriate values.
2304d382aafbSBarry Smith 
2305d382aafbSBarry Smith          For an example of the code needed to interface your own random number generator see
2306d382aafbSBarry Smith          src/sys/random/impls/rand/rand.c
2307d382aafbSBarry Smith 
2308d382aafbSBarry Smith   Level: advanced
2309d382aafbSBarry Smith 
2310d382aafbSBarry Smith .keywords: PetscRandom, register
2311d382aafbSBarry Smith .seealso: PetscRandomRegisterAll(), PetscRandomRegisterDestroy(), PetscRandomRegister()
2312d382aafbSBarry Smith M*/
2313d382aafbSBarry Smith #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
2314d382aafbSBarry Smith #define PetscRandomRegisterDynamic(a,b,c,d) PetscRandomRegister(a,b,c,0)
2315d382aafbSBarry Smith #else
2316d382aafbSBarry Smith #define PetscRandomRegisterDynamic(a,b,c,d) PetscRandomRegister(a,b,c,d)
2317d382aafbSBarry Smith #endif
2318d382aafbSBarry Smith 
2319d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomCreate(MPI_Comm,PetscRandom*);
2320d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomGetValue(PetscRandom,PetscScalar*);
2321d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomGetValueReal(PetscRandom,PetscReal*);
2322d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomGetInterval(PetscRandom,PetscScalar*,PetscScalar*);
2323d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomSetInterval(PetscRandom,PetscScalar,PetscScalar);
2324d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomSetSeed(PetscRandom,unsigned long);
2325d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomGetSeed(PetscRandom,unsigned long *);
2326d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomSeed(PetscRandom);
2327d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomDestroy(PetscRandom);
2328d382aafbSBarry Smith 
2329d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetFullPath(const char[],char[],size_t);
2330d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetRelativePath(const char[],char[],size_t);
2331d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetWorkingDirectory(char[],size_t);
2332d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetRealPath(const char[],char[]);
2333d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetHomeDirectory(char[],size_t);
2334d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTestFile(const char[],char,PetscTruth*);
2335d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTestDirectory(const char[],char,PetscTruth*);
2336d382aafbSBarry Smith 
2337d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinaryRead(int,void*,PetscInt,PetscDataType);
2338d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinarySynchronizedRead(MPI_Comm,int,void*,PetscInt,PetscDataType);
2339d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinarySynchronizedWrite(MPI_Comm,int,void*,PetscInt,PetscDataType,PetscTruth);
2340d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinaryWrite(int,void*,PetscInt,PetscDataType,PetscTruth);
2341d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinaryOpen(const char[],PetscFileMode,int *);
2342d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinaryClose(int);
2343d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSharedTmp(MPI_Comm,PetscTruth *);
2344d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSharedWorkingDirectory(MPI_Comm,PetscTruth *);
2345d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetTmp(MPI_Comm,char[],size_t);
2346d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFileRetrieve(MPI_Comm,const char[],char[],size_t,PetscTruth*);
2347d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscLs(MPI_Comm,const char[],char[],size_t,PetscTruth*);
2348d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenSocket(char*,int,int*);
2349d382aafbSBarry Smith 
2350d382aafbSBarry Smith /*
2351d382aafbSBarry Smith    In binary files variables are stored using the following lengths,
2352d382aafbSBarry Smith   regardless of how they are stored in memory on any one particular
2353d382aafbSBarry Smith   machine. Use these rather then sizeof() in computing sizes for
2354d382aafbSBarry Smith   PetscBinarySeek().
2355d382aafbSBarry Smith */
2356d382aafbSBarry Smith #define PETSC_BINARY_INT_SIZE    (32/8)
2357d382aafbSBarry Smith #define PETSC_BINARY_FLOAT_SIZE  (32/8)
2358d382aafbSBarry Smith #define PETSC_BINARY_CHAR_SIZE    (8/8)
2359d382aafbSBarry Smith #define PETSC_BINARY_SHORT_SIZE  (16/8)
2360d382aafbSBarry Smith #define PETSC_BINARY_DOUBLE_SIZE (64/8)
2361d382aafbSBarry Smith #define PETSC_BINARY_SCALAR_SIZE sizeof(PetscScalar)
2362d382aafbSBarry Smith 
2363d382aafbSBarry Smith /*E
2364d382aafbSBarry Smith   PetscBinarySeekType - argument to PetscBinarySeek()
2365d382aafbSBarry Smith 
2366d382aafbSBarry Smith   Level: advanced
2367d382aafbSBarry Smith 
2368d382aafbSBarry Smith .seealso: PetscBinarySeek(), PetscBinarySynchronizedSeek()
2369d382aafbSBarry Smith E*/
2370d382aafbSBarry Smith typedef enum {PETSC_BINARY_SEEK_SET = 0,PETSC_BINARY_SEEK_CUR = 1,PETSC_BINARY_SEEK_END = 2} PetscBinarySeekType;
2371d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinarySeek(int,off_t,PetscBinarySeekType,off_t*);
2372d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinarySynchronizedSeek(MPI_Comm,int,off_t,PetscBinarySeekType,off_t*);
2373d382aafbSBarry Smith 
2374d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetDebugTerminal(const char[]);
2375d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetDebugger(const char[],PetscTruth);
2376d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetDefaultDebugger(void);
2377d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetDebuggerFromString(char*);
2378d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscAttachDebugger(void);
2379d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStopForDebugger(void);
2380d382aafbSBarry Smith 
2381d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGatherNumberOfMessages(MPI_Comm,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt*);
2382d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGatherMessageLengths(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**);
2383d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGatherMessageLengths2(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**,PetscMPIInt**);
2384d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPostIrecvInt(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscInt***,MPI_Request**);
2385d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPostIrecvScalar(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscScalar***,MPI_Request**);
2386d382aafbSBarry Smith 
2387d382aafbSBarry Smith EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSSEIsEnabled(MPI_Comm,PetscTruth *,PetscTruth *);
2388d382aafbSBarry Smith 
2389d382aafbSBarry Smith /*E
2390d382aafbSBarry Smith   InsertMode - Whether entries are inserted or added into vectors or matrices
2391d382aafbSBarry Smith 
2392d382aafbSBarry Smith   Level: beginner
2393d382aafbSBarry Smith 
2394d382aafbSBarry Smith .seealso: VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(),
2395d382aafbSBarry Smith           VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(),
2396d382aafbSBarry Smith           MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd()
2397d382aafbSBarry Smith E*/
2398d382aafbSBarry Smith typedef enum {NOT_SET_VALUES, INSERT_VALUES, ADD_VALUES, MAX_VALUES} InsertMode;
2399d382aafbSBarry Smith 
2400d382aafbSBarry Smith /*MC
2401d382aafbSBarry Smith     INSERT_VALUES - Put a value into a vector or matrix, overwrites any previous value
2402d382aafbSBarry Smith 
2403d382aafbSBarry Smith     Level: beginner
2404d382aafbSBarry Smith 
2405d382aafbSBarry Smith .seealso: InsertMode, VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(),
2406eca87e8dSBarry Smith           VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(), ADD_VALUES,
2407eca87e8dSBarry Smith           MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd(), MAX_VALUES
2408d382aafbSBarry Smith 
2409d382aafbSBarry Smith M*/
2410d382aafbSBarry Smith 
2411d382aafbSBarry Smith /*MC
2412d382aafbSBarry Smith     ADD_VALUES - Adds a value into a vector or matrix, if there previously was no value, just puts the
2413d382aafbSBarry Smith                 value into that location
2414d382aafbSBarry Smith 
2415d382aafbSBarry Smith     Level: beginner
2416d382aafbSBarry Smith 
2417d382aafbSBarry Smith .seealso: InsertMode, VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(),
2418eca87e8dSBarry Smith           VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(), INSERT_VALUES,
2419eca87e8dSBarry Smith           MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd(), MAX_VALUES
2420d382aafbSBarry Smith 
2421d382aafbSBarry Smith M*/
2422d382aafbSBarry Smith 
2423d382aafbSBarry Smith /*MC
2424d382aafbSBarry Smith     MAX_VALUES - Puts the maximum of the scattered/gathered value and the current value into each location
2425d382aafbSBarry Smith 
2426d382aafbSBarry Smith     Level: beginner
2427d382aafbSBarry Smith 
2428d382aafbSBarry Smith .seealso: InsertMode, VecScatterBegin(), VecScatterEnd(), ADD_VALUES, INSERT_VALUES
2429d382aafbSBarry Smith 
2430d382aafbSBarry Smith M*/
2431d382aafbSBarry Smith 
2432d382aafbSBarry Smith /*S
2433d382aafbSBarry Smith    PetscSubcomm - Context of MPI subcommunicators, used by PCREDUNDANT
2434d382aafbSBarry Smith 
2435d382aafbSBarry Smith    Level: advanced
2436d382aafbSBarry Smith 
2437d382aafbSBarry Smith    Concepts: communicator, create
2438d382aafbSBarry Smith S*/
2439d382aafbSBarry Smith typedef struct _n_PetscSubcomm* PetscSubcomm;
2440d382aafbSBarry Smith 
2441d382aafbSBarry Smith struct _n_PetscSubcomm {
2442d382aafbSBarry Smith   MPI_Comm   parent;      /* parent communicator */
2443d382aafbSBarry Smith   MPI_Comm   dupparent;   /* duplicate parent communicator, under which the processors of this subcomm have contiguous rank */
2444d382aafbSBarry Smith   MPI_Comm   comm;        /* this communicator */
2445d382aafbSBarry Smith   PetscInt   n;           /* num of subcommunicators under the parent communicator */
2446d382aafbSBarry Smith   PetscInt   color;       /* color of processors belong to this communicator */
2447d382aafbSBarry Smith };
2448d382aafbSBarry Smith 
2449d382aafbSBarry Smith EXTERN PetscErrorCode PETSCMAT_DLLEXPORT PetscSubcommCreate(MPI_Comm,PetscInt,PetscSubcomm*);
2450d382aafbSBarry Smith EXTERN PetscErrorCode PETSCMAT_DLLEXPORT PetscSubcommDestroy(PetscSubcomm);
2451d382aafbSBarry Smith 
2452d382aafbSBarry Smith PETSC_EXTERN_CXX_END
24536c7e564aSBarry Smith 
2454d382aafbSBarry Smith #endif
2455