/* This is the main PETSc include file (for C and C++). It is included by all other PETSc include files, so it almost never has to be specifically included. */ #if !defined(__PETSC_H) #define __PETSC_H /* ========================================================================== */ /* This facilitates using C version of PETSc from C++ */ #if defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus) #define PETSC_EXTERN_CXX_BEGIN extern "C" { #define PETSC_EXTERN_CXX_END } #else #define PETSC_EXTERN_CXX_BEGIN #define PETSC_EXTERN_CXX_END #endif /* ========================================================================== */ /* Current PETSc version number and release date */ #include "petscversion.h" /* ========================================================================== */ /* petscconf.h is contained in bmake/${PETSC_ARCH}/petscconf.h it is found automatically by the compiler due to the -I${PETSC_DIR}/bmake/${PETSC_ARCH} in the bmake/common_variables definition of PETSC_INCLUDE */ #include "petscconf.h" /* Currently cannot check formatting for PETSc print statements because we have our own format %D */ #undef PETSC_PRINTF_FORMAT_CHECK #define PETSC_PRINTF_FORMAT_CHECK(a,b) #undef PETSC_FPRINTF_FORMAT_CHECK #define PETSC_FPRINTF_FORMAT_CHECK(a,b) /* Fixes for configure time choices which impact our interface. Currently only calling conventions and extra compiler checking falls under this category. */ #if !defined (PETSC_STDCALL) #define PETSC_STDCALL #endif #if !defined (PETSC_TEMPLATE) #define PETSC_TEMPLATE #endif /* ========================================================================== */ /* Defines the interface to MPI allowing the use of all MPI functions. */ #include "mpi.h" /* Yuck, we need to put stdio.h AFTER mpi.h for MPICH2 with C++ compiler see the top of mpicxx.h The MPI STANDARD HAS TO BE CHANGED to prevent this nonsense. */ #include /* All PETSc C functions return this error code, it is the final argument of all Fortran subroutines */ typedef int PetscErrorCode; typedef int PetscCookie; typedef int PetscEvent; typedef int PetscBLASInt; typedef int PetscMPIInt; #if defined(PETSC_USE_64BIT_INT) typedef long long PetscInt; #define MPIU_INT MPI_LONG_LONG_INT #else typedef int PetscInt; #define MPIU_INT MPI_INT #endif /* Allows defining simple C++ polymorphic functions that remove certain optional arguments for a simplier user interface. */ #if defined(__cplusplus) #define PetscPolymorphicSubroutine(A,B,C) inline PetscErrorCode A B {return A C;} #else #define PetscPolymorphicSubroutine(A,B,C) #endif /* Declare extern C stuff after incuding external header files */ PETSC_EXTERN_CXX_BEGIN /* EXTERN indicates a PETSc function defined elsewhere */ #if !defined(EXTERN) #define EXTERN extern #endif /* Defines some elementary mathematics functions and constants. */ #include "petscmath.h" /* Basic PETSc constants */ /*E PetscTruth - Logical variable. Actually an integer Level: beginner E*/ typedef enum { PETSC_FALSE,PETSC_TRUE } PetscTruth; /*M PETSC_FALSE - False value of PetscTruth Level: beginner Note: Zero integer .seealso: PetscTruth M*/ /*M PETSC_TRUE - True value of PetscTruth Level: beginner Note: Nonzero integer .seealso: PetscTruth M*/ /*M PETSC_YES - Alias for PETSC_TRUE Level: beginner Note: Zero integer .seealso: PetscTruth M*/ /*M PETSC_NO - Alias for PETSC_FALSE Level: beginner Note: Nonzero integer .seealso: PetscTruth M*/ /*M PETSC_NULL - standard way of passing in a null or array or pointer Level: beginner Notes: accepted by many PETSc functions to not set a parameter and instead use some default This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, PETSC_NULL_DOUBLE_PRECISION etc .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE M*/ #define PETSC_NULL 0 /*M PETSC_DECIDE - standard way of passing in integer or floating point parameter where you wish PETSc to use the default. Level: beginner .seealso: PETSC_NULL, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE M*/ #define PETSC_DECIDE -1 /*M PETSC_DEFAULT - standard way of passing in integer or floating point parameter where you wish PETSc to use the default. Level: beginner .seealso: PETSC_DECIDE, PETSC_NULL, PETSC_IGNORE, PETSC_DETERMINE M*/ #define PETSC_DEFAULT -2 #define PETSC_YES PETSC_TRUE #define PETSC_NO PETSC_FALSE /*M PETSC_IGNORE - same as PETSC_NULL, means PETSc will ignore this argument Level: beginner Notes: accepted by many PETSc functions to not set a parameter and instead use some default This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, PETSC_NULL_DOUBLE_PRECISION etc .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_NULL, PETSC_DETERMINE M*/ #define PETSC_IGNORE PETSC_NULL /*M PETSC_DETERMINE - standard way of passing in integer or floating point parameter where you wish PETSc to compute the required value. Level: beginner .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_NULL, VecSetSizes() M*/ #define PETSC_DETERMINE PETSC_DECIDE /*M PETSC_COMM_WORLD - a duplicate of the MPI_COMM_WORLD communicator which represents all the processs Level: beginner Notes: PETSC_COMM_WORLD and MPI_COMM_WORLD are equivalent except that passing MPI_COMM_WORLD into PETSc object constructors will result in using more MPI resources since an MPI_Comm_dup() will be done on it internally. We recommend always using PETSC_COMM_WORLD .seealso: PETSC_COMM_SELF M*/ extern MPI_Comm PETSC_COMM_WORLD; /*M PETSC_COMM_SELF - a duplicate of the MPI_COMM_SELF communicator which represents the current process Level: beginner Notes: PETSC_COMM_SELF and MPI_COMM_SELF are equivalent except that passint MPI_COMM_SELF into PETSc object constructors will result in using more MPI resources since an MPI_Comm_dup() will be done on it internally. We recommend always using PETSC_COMM_SELF .seealso: PETSC_COMM_WORLD M*/ extern MPI_Comm PETSC_COMM_SELF; extern PetscTruth PetscInitializeCalled; extern PetscTruth PetscFinalizeCalled; EXTERN PetscErrorCode PetscSetCommWorld(MPI_Comm); EXTERN PetscErrorCode PetscSetHelpVersionFunctions(PetscErrorCode (*)(MPI_Comm),PetscErrorCode (*)(MPI_Comm)); EXTERN PetscErrorCode PetscCommDuplicate(MPI_Comm,MPI_Comm*,int*); EXTERN PetscErrorCode PetscCommDestroy(MPI_Comm*); /*MC PetscMalloc - Allocates memory Input Parameter: . m - number of bytes to allocate Output Parameter: . result - memory allocated Synopsis: PetscErrorCode PetscMalloc(size_t m,void **result) Level: beginner Notes: Memory is always allocated at least double aligned If you request memory of zero size it will allocate no space and assign the pointer to 0; PetscFree() will properly handle not freeing the null pointer. .seealso: PetscFree(), PetscNew() Concepts: memory allocation M*/ #define PetscMalloc(a,b) ((a != 0) ? (*PetscTrMalloc)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__,(void**)(b)) : (*(b) = 0,0) ) /*MC PetscMalloc2 - Allocates 2 chunks of memory Input Parameter: + m1 - number of elements to allocate in 1st chunk (may be zero) . t1 - type of first memory elements . m2 - number of elements to allocate in 2nd chunk (may be zero) - t2 - type of second memory elements Output Parameter: + r1 - memory allocated in first chunk - r2 - memory allocated in second chunk Synopsis: PetscErrorCode PetscMalloc2(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2) Level: developer Notes: Memory of first chunk is always allocated at least double aligned .seealso: PetscFree(), PetscNew(), PetscMalloc() Concepts: memory allocation M*/ #if defined(PETSC_USE_DEBUG) #define PetscMalloc2(m1,t1,r1,m2,t2,r2) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2)) #else #define PetscMalloc2(m1,t1,r1,m2,t2,r2) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2),r1) || (*(r2) = (t2*)(*(r1)+m1),0)) #endif /*MC PetscMalloc3 - Allocates 3 chunks of memory Input Parameter: + m1 - number of elements to allocate in 1st chunk (may be zero) . t1 - type of first memory elements . m2 - number of elements to allocate in 2nd chunk (may be zero) . t2 - type of second memory elements . m3 - number of elements to allocate in 3rd chunk (may be zero) - t3 - type of third memory elements Output Parameter: + r1 - memory allocated in first chunk . r2 - memory allocated in second chunk - r3 - memory allocated in third chunk Synopsis: PetscErrorCode PetscMalloc3(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3) Level: developer Notes: Memory of first chunk is always allocated at least double aligned .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3() Concepts: memory allocation M*/ #if defined(PETSC_USE_DEBUG) #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)) #else #define PetscMalloc3(m1,t1,r1,m2,t2,r2,m3,t3,r3) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),0)) #endif /*MC PetscMalloc4 - Allocates 4 chunks of memory Input Parameter: + m1 - number of elements to allocate in 1st chunk (may be zero) . t1 - type of first memory elements . m2 - number of elements to allocate in 2nd chunk (may be zero) . t2 - type of second memory elements . m3 - number of elements to allocate in 3rd chunk (may be zero) . t3 - type of third memory elements . m4 - number of elements to allocate in 4th chunk (may be zero) - t4 - type of fourth memory elements Output Parameter: + r1 - memory allocated in first chunk . r2 - memory allocated in second chunk . r3 - memory allocated in third chunk - r4 - memory allocated in fourth chunk Synopsis: 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) Level: developer Notes: Memory of first chunk is always allocated at least double aligned .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4() Concepts: memory allocation M*/ #if defined(PETSC_USE_DEBUG) #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)) #else #define PetscMalloc4(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),*(r4) = (t4*)(*(r3)+m3),0)) #endif /*MC PetscMalloc5 - Allocates 5 chunks of memory Input Parameter: + m1 - number of elements to allocate in 1st chunk (may be zero) . t1 - type of first memory elements . m2 - number of elements to allocate in 2nd chunk (may be zero) . t2 - type of second memory elements . m3 - number of elements to allocate in 3rd chunk (may be zero) . t3 - type of third memory elements . m4 - number of elements to allocate in 4th chunk (may be zero) . t4 - type of fourth memory elements . m5 - number of elements to allocate in 5th chunk (may be zero) - t5 - type of fifth memory elements Output Parameter: + r1 - memory allocated in first chunk . r2 - memory allocated in second chunk . r3 - memory allocated in third chunk . r4 - memory allocated in fourth chunk - r5 - memory allocated in fifth chunk Synopsis: 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) Level: developer Notes: Memory of first chunk is always allocated at least double aligned .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5() Concepts: memory allocation M*/ #if defined(PETSC_USE_DEBUG) #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)) #else #define PetscMalloc5(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),*(r4) = (t4*)(*(r3)+m3),*(r5) = (t5*)(*(r4)+m4),0)) #endif /*MC PetscMalloc6 - Allocates 6 chunks of memory Input Parameter: + m1 - number of elements to allocate in 1st chunk (may be zero) . t1 - type of first memory elements . m2 - number of elements to allocate in 2nd chunk (may be zero) . t2 - type of second memory elements . m3 - number of elements to allocate in 3rd chunk (may be zero) . t3 - type of third memory elements . m4 - number of elements to allocate in 4th chunk (may be zero) . t4 - type of fourth memory elements . m5 - number of elements to allocate in 5th chunk (may be zero) . t5 - type of fifth memory elements . m6 - number of elements to allocate in 6th chunk (may be zero) - t6 - type of sixth memory elements Output Parameter: + r1 - memory allocated in first chunk . r2 - memory allocated in second chunk . r3 - memory allocated in third chunk . r4 - memory allocated in fourth chunk . r5 - memory allocated in fifth chunk - r6 - memory allocated in sixth chunk Synopsis: 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) Level: developer Notes: Memory of first chunk is always allocated at least double aligned .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6() Concepts: memory allocation M*/ #if defined(PETSC_USE_DEBUG) #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)) #else #define PetscMalloc6(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5)+(m6)*sizeof(t6),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),*(r4) = (t4*)(*(r3)+m3),*(r5) = (t5*)(*(r4)+m4),*(r6) = (t6*)(*(r5)+m5),0)) #endif /*MC PetscNew - Allocates memory of a particular type, Zeros the memory! Input Parameter: . type - structure name of space to be allocated. Memory of size sizeof(type) is allocated Output Parameter: . result - memory allocated Synopsis: PetscErrorCode PetscNew(struct type,((type *))result) Level: beginner .seealso: PetscFree(), PetscMalloc() Concepts: memory allocation M*/ #define PetscNew(A,b) (PetscMalloc(sizeof(A),(b)) || PetscMemzero(*(b),sizeof(A))) /*MC PetscFree - Frees memory Input Parameter: . memory - memory to free Synopsis: PetscErrorCode PetscFree(void *memory) Level: beginner Notes: Memory must have been obtained with PetscNew() or PetscMalloc() .seealso: PetscNew(), PetscMalloc() Concepts: memory allocation M*/ #define PetscFree(a) ((a) ? ((*PetscTrFree)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__) || ((a = 0),0)) : 0) /*MC PetscFree2 - Frees 2 chunks of memory obtained with PetscMalloc2() Input Parameter: + memory1 - memory to free - memory2 - 2nd memory to free Synopsis: PetscErrorCode PetscFree2(void *memory1,void *memory2) Level: developer Notes: Memory must have been obtained with PetscMalloc2() .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree() Concepts: memory allocation M*/ #if defined(PETSC_USE_DEBUG) #define PetscFree2(m1,m2) (PetscFree(m2) || PetscFree(m1)) #else #define PetscFree2(m1,m2) (PetscFree(m1)) #endif /*MC PetscFree3 - Frees 3 chunks of memory obtained with PetscMalloc3() Input Parameter: + memory1 - memory to free . memory2 - 2nd memory to free - memory3 - 3rd memory to free Synopsis: PetscErrorCode PetscFree3(void *memory1,void *memory2,void *memory3) Level: developer Notes: Memory must have been obtained with PetscMalloc3() .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3() Concepts: memory allocation M*/ #if defined(PETSC_USE_DEBUG) #define PetscFree3(m1,m2,m3) (PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) #else #define PetscFree3(m1,m2,m3) (PetscFree(m1)) #endif /*MC PetscFree4 - Frees 4 chunks of memory obtained with PetscMalloc4() Input Parameter: + m1 - memory to free . m2 - 2nd memory to free . m3 - 3rd memory to free - m4 - 4th memory to free Synopsis: PetscErrorCode PetscFree4(void *m1,void *m2,void *m3,void *m4) Level: developer Notes: Memory must have been obtained with PetscMalloc4() .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4() Concepts: memory allocation M*/ #if defined(PETSC_USE_DEBUG) #define PetscFree4(m1,m2,m3,m4) (PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) #else #define PetscFree4(m1,m2,m3,m4) (PetscFree(m1)) #endif /*MC PetscFree5 - Frees 5 chunks of memory obtained with PetscMalloc5() Input Parameter: + m1 - memory to free . m2 - 2nd memory to free . m3 - 3rd memory to free . m4 - 4th memory to free - m5 - 5th memory to free Synopsis: PetscErrorCode PetscFree5(void *m1,void *m2,void *m3,void *m4,void *m5) Level: developer Notes: Memory must have been obtained with PetscMalloc5() .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5() Concepts: memory allocation M*/ #if defined(PETSC_USE_DEBUG) #define PetscFree5(m1,m2,m3,m4,m5) (PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) #else #define PetscFree5(m1,m2,m3,m4,m5) (PetscFree(m1)) #endif /*MC PetscFree6 - Frees 6 chunks of memory obtained with PetscMalloc6() Input Parameter: + m1 - memory to free . m2 - 2nd memory to free . m3 - 3rd memory to free . m4 - 4th memory to free . m5 - 5th memory to free - m6 - 6th memory to free Synopsis: PetscErrorCode PetscFree6(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6) Level: developer Notes: Memory must have been obtained with PetscMalloc6() .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6() Concepts: memory allocation M*/ #if defined(PETSC_USE_DEBUG) #define PetscFree6(m1,m2,m3,m4,m5,m6) (PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) #else #define PetscFree6(m1,m2,m3,m4,m5,m6) (PetscFree(m1)) #endif EXTERN PetscErrorCode (*PetscTrMalloc)(size_t,int,const char[],const char[],const char[],void**); EXTERN PetscErrorCode (*PetscTrFree)(void*,int,const char[],const char[],const char[]); EXTERN PetscErrorCode PetscSetMalloc(PetscErrorCode (*)(size_t,int,const char[],const char[],const char[],void**),PetscErrorCode (*)(void*,int,const char[],const char[],const char[])); EXTERN PetscErrorCode PetscClearMalloc(void); /* Routines for tracing memory corruption/bleeding with default PETSc memory allocation */ EXTERN PetscErrorCode PetscMallocDump(FILE *); EXTERN PetscErrorCode PetscMallocDumpLog(FILE *); EXTERN PetscErrorCode PetscMallocGetCurrentUsage(PetscLogDouble *); EXTERN PetscErrorCode PetscMallocGetMaximumUsage(PetscLogDouble *); EXTERN PetscErrorCode PetscMallocDebug(PetscTruth); EXTERN PetscErrorCode PetscMallocValidate(int,const char[],const char[],const char[]); EXTERN PetscErrorCode PetscMallocSetDumpLog(void); /* Variable type where we stash PETSc object pointers in Fortran. Assumes that sizeof(long) == sizeof(void*)which is true on all machines that we know. */ #define PetscFortranAddr long /*E PetscDataType - Used for handling different basic data types. Level: beginner .seealso: PetscBinaryRead(), PetscBinaryWrite(), PetscDataTypeToMPIDataType(), PetscDataTypeGetSize(), PetscDataTypeGetName() E*/ typedef enum {PETSC_INT = 0,PETSC_DOUBLE = 1,PETSC_COMPLEX = 2, PETSC_LONG = 3 ,PETSC_SHORT = 4,PETSC_FLOAT = 5, PETSC_CHAR = 6,PETSC_LOGICAL = 7} PetscDataType; #if defined(PETSC_USE_COMPLEX) #define PETSC_SCALAR PETSC_COMPLEX #else #if defined(PETSC_USE_SINGLE) #define PETSC_SCALAR PETSC_FLOAT #else #define PETSC_SCALAR PETSC_DOUBLE #endif #endif #if defined(PETSC_USE_SINGLE) #define PETSC_REAL PETSC_FLOAT #else #define PETSC_REAL PETSC_DOUBLE #endif #define PETSC_FORTRANADDR PETSC_LONG EXTERN PetscErrorCode PetscDataTypeToMPIDataType(PetscDataType,MPI_Datatype*); EXTERN PetscErrorCode PetscDataTypeGetSize(PetscDataType,PetscInt*); EXTERN PetscErrorCode PetscDataTypeGetName(PetscDataType,const char*[]); /* Basic memory and string operations. These are usually simple wrappers around the basic Unix system calls, but a few of them have additional functionality and/or error checking. */ EXTERN PetscErrorCode PetscMemcpy(void*,const void *,size_t); EXTERN PetscErrorCode PetscBitMemcpy(void*,PetscInt,const void*,PetscInt,PetscInt,PetscDataType); EXTERN PetscErrorCode PetscMemmove(void*,void *,size_t); EXTERN PetscErrorCode PetscMemzero(void*,size_t); EXTERN PetscErrorCode PetscMemcmp(const void*,const void*,size_t,PetscTruth *); EXTERN PetscErrorCode PetscStrlen(const char[],size_t*); EXTERN PetscErrorCode PetscStrcmp(const char[],const char[],PetscTruth *); EXTERN PetscErrorCode PetscStrgrt(const char[],const char[],PetscTruth *); EXTERN PetscErrorCode PetscStrcasecmp(const char[],const char[],PetscTruth*); EXTERN PetscErrorCode PetscStrncmp(const char[],const char[],size_t,PetscTruth*); EXTERN PetscErrorCode PetscStrcpy(char[],const char[]); EXTERN PetscErrorCode PetscStrcat(char[],const char[]); EXTERN PetscErrorCode PetscStrncat(char[],const char[],size_t); EXTERN PetscErrorCode PetscStrncpy(char[],const char[],size_t); EXTERN PetscErrorCode PetscStrchr(const char[],char,char *[]); EXTERN PetscErrorCode PetscStrtolower(char[]); EXTERN PetscErrorCode PetscStrrchr(const char[],char,char *[]); EXTERN PetscErrorCode PetscStrstr(const char[],const char[],char *[]); EXTERN PetscErrorCode PetscStrallocpy(const char[],char *[]); EXTERN PetscErrorCode PetscStrreplace(MPI_Comm,const char[],char[],size_t); #define PetscStrfree(a) ((a) ? PetscFree(a) : 0) /*S PetscToken - 'Token' used for managing tokenizing strings Level: intermediate .seealso: PetscTokenCreate(), PetscTokenFind(), PetscTokenDestroy() S*/ typedef struct {char token;char *array;char *current;} PetscToken; EXTERN PetscErrorCode PetscTokenCreate(const char[],const char,PetscToken**); EXTERN PetscErrorCode PetscTokenFind(PetscToken*,char *[]); EXTERN PetscErrorCode PetscTokenDestroy(PetscToken*); /* These are MPI operations for MPI_Allreduce() etc */ EXTERN MPI_Op PetscMaxSum_Op; #if defined(PETSC_USE_COMPLEX) EXTERN MPI_Op PetscSum_Op; #else #define PetscSum_Op MPI_SUM #endif EXTERN PetscErrorCode PetscMaxSum(MPI_Comm,const PetscInt[],PetscInt*,PetscInt*); /*S PetscObject - any PETSc object, PetscViewer, Mat, Vec, KSP etc Level: beginner Note: This is the base class from which all objects appear. .seealso: PetscObjectDestroy(), PetscObjectView(), PetscObjectGetName(), PetscObjectSetName() S*/ typedef struct _p_PetscObject* PetscObject; /*S PetscFList - Linked list of functions, possibly stored in dynamic libraries, accessed by string name Level: advanced .seealso: PetscFListAdd(), PetscFListDestroy() S*/ typedef struct _PetscFList *PetscFList; #include "petscviewer.h" #include "petscoptions.h" /* Routines that get memory usage information from the OS */ EXTERN PetscErrorCode PetscMemoryGetCurrentUsage(PetscLogDouble *); EXTERN PetscErrorCode PetscMemoryGetMaximumUsage(PetscLogDouble *); EXTERN PetscErrorCode PetscMemorySetGetMaximumUsage(void); EXTERN PetscErrorCode PetscMemoryShowUsage(PetscViewer,const char[]); EXTERN PetscErrorCode PetscLogInfoAllow(PetscTruth,const char []); EXTERN PetscErrorCode PetscGetTime(PetscLogDouble*); EXTERN PetscErrorCode PetscGetCPUTime(PetscLogDouble*); EXTERN PetscErrorCode PetscSleep(int); /* Initialization of PETSc */ EXTERN PetscErrorCode PetscInitialize(int*,char***,const char[],const char[]); PetscPolymorphicSubroutine(PetscInitialize,(int *argc,char ***args),(argc,args,PETSC_NULL,PETSC_NULL)) EXTERN PetscErrorCode PetscInitializeNoArguments(void); EXTERN PetscErrorCode PetscInitialized(PetscTruth *); EXTERN PetscErrorCode PetscFinalized(PetscTruth *); EXTERN PetscErrorCode PetscFinalize(void); EXTERN PetscErrorCode PetscInitializeFortran(void); EXTERN PetscErrorCode PetscGetArgs(int*,char ***); EXTERN PetscErrorCode PetscEnd(void); typedef void (**PetscVoidFunction)(void); /* PetscTryMethod - Queries an object for a method, if it exists then calls it. These are intended to be used only inside PETSc functions. */ #define PetscTryMethod(obj,A,B,C) \ 0;{ PetscErrorCode (*f)B, __ierr; \ __ierr = PetscObjectQueryFunction((PetscObject)obj,#A,(PetscVoidFunction)&f);CHKERRQ(__ierr); \ if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\ } #define PetscUseMethod(obj,A,B,C) \ 0;{ PetscErrorCode (*f)B, __ierr; \ __ierr = PetscObjectQueryFunction((PetscObject)obj,A,(PetscVoidFunction)&f);CHKERRQ(__ierr); \ if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\ else {SETERRQ1(PETSC_ERR_SUP,"Cannot locate function %s in object",A);} \ } /* Functions that can act on any PETSc object. */ EXTERN PetscErrorCode PetscObjectDestroy(PetscObject); EXTERN PetscErrorCode PetscObjectExists(PetscObject,PetscTruth*); EXTERN PetscErrorCode PetscObjectGetComm(PetscObject,MPI_Comm *); EXTERN PetscErrorCode PetscObjectGetCookie(PetscObject,int *); EXTERN PetscErrorCode PetscObjectGetType(PetscObject,int *); EXTERN PetscErrorCode PetscObjectSetName(PetscObject,const char[]); EXTERN PetscErrorCode PetscObjectGetName(PetscObject,char*[]); EXTERN PetscErrorCode PetscObjectReference(PetscObject); EXTERN PetscErrorCode PetscObjectGetReference(PetscObject,PetscInt*); EXTERN PetscErrorCode PetscObjectDereference(PetscObject); EXTERN PetscErrorCode PetscObjectGetNewTag(PetscObject,PetscMPIInt *); EXTERN PetscErrorCode PetscCommGetNewTag(MPI_Comm,PetscMPIInt *); EXTERN PetscErrorCode PetscObjectView(PetscObject,PetscViewer); EXTERN PetscErrorCode PetscObjectCompose(PetscObject,const char[],PetscObject); EXTERN PetscErrorCode PetscObjectQuery(PetscObject,const char[],PetscObject *); EXTERN PetscErrorCode PetscObjectComposeFunction(PetscObject,const char[],const char[],void (*)(void)); typedef void (*FCNVOID)(void); /* cast in next macro should never be extern C */ typedef PetscErrorCode (*FCNINTVOID)(void); /* used in casts to make sure they are not extern C */ /*MC PetscObjectComposeFunctionDynamic - Associates a function with a given PETSc object. Collective on PetscObject Input Parameters: + obj - the PETSc object; this must be cast with a (PetscObject), for example, PetscObjectCompose((PetscObject)mat,...); . name - name associated with the child function . fname - name of the function - ptr - function pointer (or PETSC_NULL if using dynamic libraries) Level: advanced Synopsis: PetscErrorCode PetscObjectComposeFunctionDynamic(PetscObject obj,const char name[],const char fname[],void *ptr) Notes: To remove a registered routine, pass in a PETSC_NULL rname and fnc(). PetscObjectComposeFunctionDynamic() can be used with any PETSc object (such as Mat, Vec, KSP, SNES, etc.) or any user-provided object. The composed function must be wrapped in a EXTERN_C_BEGIN/END for this to work in C++/complex with dynamic link libraries (PETSC_USE_DYNAMIC_LIBRARIES) enabled. Concepts: objects^composing functions Concepts: composing functions Concepts: functions^querying Concepts: objects^querying Concepts: querying objects .seealso: PetscObjectQueryFunction() M*/ #if defined(PETSC_USE_DYNAMIC_LIBRARIES) #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,0) #else #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,(FCNVOID)(d)) #endif EXTERN PetscErrorCode PetscObjectQueryFunction(PetscObject,const char[],void (**)(void)); EXTERN PetscErrorCode PetscObjectSetOptionsPrefix(PetscObject,const char[]); EXTERN PetscErrorCode PetscObjectAppendOptionsPrefix(PetscObject,const char[]); EXTERN PetscErrorCode PetscObjectPrependOptionsPrefix(PetscObject,const char[]); EXTERN PetscErrorCode PetscObjectGetOptionsPrefix(PetscObject,char*[]); EXTERN PetscErrorCode PetscObjectPublish(PetscObject); EXTERN PetscErrorCode PetscObjectChangeTypeName(PetscObject,const char[]); EXTERN PetscErrorCode PetscObjectRegisterDestroy(PetscObject); EXTERN PetscErrorCode PetscObjectRegisterDestroyAll(void); EXTERN PetscErrorCode PetscObjectName(PetscObject); EXTERN PetscErrorCode PetscTypeCompare(PetscObject,const char[],PetscTruth*); /* Defines PETSc error handling. */ #include "petscerror.h" /*S PetscOList - Linked list of PETSc objects, accessable by string name Level: advanced .seealso: PetscOListAdd(), PetscOListDestroy(), PetscOListFind() S*/ typedef struct _PetscOList *PetscOList; EXTERN PetscErrorCode PetscOListDestroy(PetscOList *); EXTERN PetscErrorCode PetscOListFind(PetscOList,const char[],PetscObject*); EXTERN PetscErrorCode PetscOListReverseFind(PetscOList,PetscObject,char**); EXTERN PetscErrorCode PetscOListAdd(PetscOList *,const char[],PetscObject); EXTERN PetscErrorCode PetscOListDuplicate(PetscOList,PetscOList *); /* Dynamic library lists. Lists of names of routines in dynamic link libraries that will be loaded as needed. */ EXTERN PetscErrorCode PetscFListAdd(PetscFList*,const char[],const char[],void (*)(void)); EXTERN PetscErrorCode PetscFListDestroy(PetscFList*); EXTERN PetscErrorCode PetscFListFind(MPI_Comm,PetscFList,const char[],void (**)(void)); EXTERN PetscErrorCode PetscFListPrintTypes(MPI_Comm,FILE*,const char[],const char[],const char[],const char[],PetscFList); #if defined(PETSC_USE_DYNAMIC_LIBRARIES) #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,0) #else #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,(void (*)(void))c) #endif EXTERN PetscErrorCode PetscFListDuplicate(PetscFList,PetscFList *); EXTERN PetscErrorCode PetscFListView(PetscFList,PetscViewer); EXTERN PetscErrorCode PetscFListConcat(const char [],const char [],char []); EXTERN PetscErrorCode PetscFListGet(PetscFList,char ***,int*); /*S PetscDLLibraryList - Linked list of dynamics libraries to search for functions Level: advanced PETSC_USE_DYNAMIC_LIBRARIES must be defined in petscconf.h to use dynamic libraries .seealso: PetscDLLibraryOpen() S*/ typedef struct _PetscDLLibraryList *PetscDLLibraryList; extern PetscDLLibraryList DLLibrariesLoaded; EXTERN PetscErrorCode PetscDLLibraryRetrieve(MPI_Comm,const char[],char *,int,PetscTruth *); EXTERN PetscErrorCode PetscDLLibraryOpen(MPI_Comm,const char[],void **); EXTERN PetscErrorCode PetscDLLibrarySym(MPI_Comm,PetscDLLibraryList *,const char[],const char[],void **); EXTERN PetscErrorCode PetscDLLibraryAppend(MPI_Comm,PetscDLLibraryList *,const char[]); EXTERN PetscErrorCode PetscDLLibraryPrepend(MPI_Comm,PetscDLLibraryList *,const char[]); EXTERN PetscErrorCode PetscDLLibraryClose(PetscDLLibraryList); EXTERN PetscErrorCode PetscDLLibraryPrintPath(void); EXTERN PetscErrorCode PetscDLLibraryGetInfo(void*,const char[],const char *[]); /* Mechanism for translating PETSc object representations between languages Not currently used. */ typedef enum {PETSC_LANGUAGE_C,PETSC_LANGUAGE_CXX} PetscLanguage; #define PETSC_LANGUAGE_F77 PETSC_LANGUAGE_C EXTERN PetscErrorCode PetscObjectComposeLanguage(PetscObject,PetscLanguage,void *); EXTERN PetscErrorCode PetscObjectQueryLanguage(PetscObject,PetscLanguage,void **); /* Useful utility routines */ EXTERN PetscErrorCode PetscSplitOwnership(MPI_Comm,PetscInt*,PetscInt*); EXTERN PetscErrorCode PetscSplitOwnershipBlock(MPI_Comm,PetscInt,PetscInt*,PetscInt*); EXTERN PetscErrorCode PetscSequentialPhaseBegin(MPI_Comm,PetscMPIInt); PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(MPI_Comm comm),(comm,1)) PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(void),(PETSC_COMM_WORLD,1)) EXTERN PetscErrorCode PetscSequentialPhaseEnd(MPI_Comm,PetscMPIInt); PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(MPI_Comm comm),(comm,1)) PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(void),(PETSC_COMM_WORLD,1)) EXTERN PetscErrorCode PetscBarrier(PetscObject); EXTERN PetscErrorCode PetscMPIDump(FILE*); #define PetscNot(a) ((a) ? PETSC_FALSE : PETSC_TRUE) /* Defines basic graphics available from PETSc. */ #include "petscdraw.h" /* Defines the base data structures for all PETSc objects */ #include "petschead.h" /* Defines PETSc profiling. */ #include "petsclog.h" /* For locking, unlocking and destroying AMS memories associated with PETSc objects. Not currently used. */ #define PetscPublishAll(v) 0 #define PetscObjectTakeAccess(obj) 0 #define PetscObjectGrantAccess(obj) 0 #define PetscObjectDepublish(obj) 0 /* This code allows one to pass a MPI communicator between C and Fortran. MPI 2.0 defines a standard API for doing this. The code here is provided to allow PETSc to work with MPI 1.1 standard MPI libraries. */ EXTERN PetscErrorCode MPICCommToFortranComm(MPI_Comm,int *); EXTERN PetscErrorCode MPIFortranCommToCComm(int,MPI_Comm*); /* Simple PETSc parallel IO for ASCII printing */ EXTERN PetscErrorCode PetscFixFilename(const char[],char[]); EXTERN PetscErrorCode PetscFOpen(MPI_Comm,const char[],const char[],FILE**); EXTERN PetscErrorCode PetscFClose(MPI_Comm,FILE*); EXTERN PetscErrorCode PetscFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4); EXTERN PetscErrorCode PetscPrintf(MPI_Comm,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3); /* These are used internally by PETSc ASCII IO routines*/ #include EXTERN PetscErrorCode PetscVSNPrintf(char*,size_t,const char*,va_list); EXTERN PetscErrorCode PetscVFPrintf(FILE*,const char*,va_list); /*MC PetscErrorPrintf - Prints error messages. Not Collective Synopsis: PetscErrorCode (*PetscErrorPrintf)(const char format[],...); Input Parameters: . format - the usual printf() format string Options Database Keys: . -error_output_stderr - cause error messages to be printed to stderr instead of the (default) stdout Level: developer Fortran Note: This routine is not supported in Fortran. Concepts: error messages^printing Concepts: printing^error messages .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscHelpPrintf() M*/ EXTERN PetscErrorCode (*PetscErrorPrintf)(const char[],...); /*MC PetscHelpPrintf - Prints help messages. Not Collective Synopsis: PetscErrorCode (*PetscHelpPrintf)(const char format[],...); Input Parameters: . format - the usual printf() format string Level: developer Fortran Note: This routine is not supported in Fortran. Concepts: help messages^printing Concepts: printing^help messages .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscErrorPrintf() M*/ EXTERN PetscErrorCode (*PetscHelpPrintf)(MPI_Comm,const char[],...); EXTERN PetscErrorCode PetscPOpen(MPI_Comm,const char[],const char[],const char[],FILE **); EXTERN PetscErrorCode PetscPClose(MPI_Comm,FILE*); EXTERN PetscErrorCode PetscSynchronizedPrintf(MPI_Comm,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3); EXTERN PetscErrorCode PetscSynchronizedFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4); EXTERN PetscErrorCode PetscSynchronizedFlush(MPI_Comm); EXTERN PetscErrorCode PetscSynchronizedFGets(MPI_Comm,FILE*,size_t,char[]); EXTERN PetscErrorCode PetscStartMatlab(MPI_Comm,const char[],const char[],FILE**); EXTERN PetscErrorCode PetscStartJava(MPI_Comm,const char[],const char[],FILE**); EXTERN PetscErrorCode PetscGetPetscDir(const char*[]); EXTERN PetscErrorCode PetscPopUpSelect(MPI_Comm,char*,char*,int,char**,int*); /*S PetscObjectContainer - Simple PETSc object that contains a pointer to any required data Level: advanced .seealso: PetscObject, PetscObjectContainerCreate() S*/ typedef struct _p_PetscObjectContainer* PetscObjectContainer; EXTERN PetscErrorCode PetscObjectContainerGetPointer(PetscObjectContainer,void **); EXTERN PetscErrorCode PetscObjectContainerSetPointer(PetscObjectContainer,void *); EXTERN PetscErrorCode PetscObjectContainerDestroy(PetscObjectContainer); EXTERN PetscErrorCode PetscObjectContainerCreate(MPI_Comm comm,PetscObjectContainer *); EXTERN PetscErrorCode PetscObjectContainerSetUserDestroy(PetscObjectContainer, PetscErrorCode (*)(void*)); /* For incremental debugging */ extern PetscTruth PetscCompare; EXTERN PetscErrorCode PetscCompareDouble(double); EXTERN PetscErrorCode PetscCompareScalar(PetscScalar); EXTERN PetscErrorCode PetscCompareInt(PetscInt); /* For use in debuggers */ extern int PetscGlobalRank,PetscGlobalSize; EXTERN PetscErrorCode PetscIntView(PetscInt,PetscInt[],PetscViewer); EXTERN PetscErrorCode PetscRealView(PetscInt,PetscReal[],PetscViewer); EXTERN PetscErrorCode PetscScalarView(PetscInt,PetscScalar[],PetscViewer); /* Allows accessing Matlab Engine */ #include "petscmatlab.h" /* C code optimization is often enhanced by telling the compiler that certain pointer arguments to functions are not aliased to to other arguments. This is not yet ANSI C standard so we define the macro "restrict" to indicate that the variable is not aliased to any other argument. */ #if defined(PETSC_HAVE_RESTRICT) && !defined(__cplusplus) #define restrict _Restrict #else #if defined(restrict) #undef restrict #endif #define restrict #endif /* Determine if some of the kernel computation routines use Fortran (rather than C) for the numerical calculations. On some machines and compilers (like complex numbers) the Fortran version of the routines is faster than the C/C++ versions. The flag PETSC_USE_FORTRAN_KERNELS would be set in the petscconf.h file */ #if defined(PETSC_USE_FORTRAN_KERNELS) #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJ) #define PETSC_USE_FORTRAN_KERNEL_MULTAIJ #endif #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ) #define PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ #endif #if !defined(PETSC_USE_FORTRAN_KERNEL_NORM) #define PETSC_USE_FORTRAN_KERNEL_NORM #endif #if !defined(PETSC_USE_FORTRAN_KERNEL_MAXPY) #define PETSC_USE_FORTRAN_KERNEL_MAXPY #endif #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ) #define PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ #endif #if !defined(PETSC_USE_FORTRAN_KERNEL_RELAXAIJ) #define PETSC_USE_FORTRAN_KERNEL_RELAXAIJ #endif #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ) #define PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ #endif #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ) #define PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ #endif #if !defined(PETSC_USE_FORTRAN_KERNEL_MDOT) #define PETSC_USE_FORTRAN_KERNEL_MDOT #endif #if !defined(PETSC_USE_FORTRAN_KERNEL_XTIMESY) #define PETSC_USE_FORTRAN_KERNEL_XTIMESY #endif #if !defined(PETSC_USE_FORTRAN_KERNEL_AYPX) #define PETSC_USE_FORTRAN_KERNEL_AYPX #endif #if !defined(PETSC_USE_FORTRAN_KERNEL_WAXPY) #define PETSC_USE_FORTRAN_KERNEL_WAXPY #endif #endif /* Macros for indicating code that should be compiled with a C interface, rather than a C++ interface. Any routines that are dynamically loaded (such as the PCCreate_XXX() routines) must be wrapped so that the name mangler does not change the functions symbol name. This just hides the ugly extern "C" {} wrappers. */ #if defined(__cplusplus) #define EXTERN_C_BEGIN extern "C" { #define EXTERN_C_END } #else #define EXTERN_C_BEGIN #define EXTERN_C_END #endif /* --------------------------------------------------------------------*/ /*M size - integer variable used to contain the number of processors in the relevent MPI_Comm Level: beginner .seealso: rank, comm M*/ /*M rank - integer variable used to contain the number of this processor relative to all in the relevent MPI_Comm Level: beginner .seealso: size, comm M*/ /*M comm - MPI_Comm used in the current routine or object Level: beginner .seealso: size, rank M*/ /*M MPI_Comm - the basic object used by MPI to determine which processes are involved in a communication Level: beginner Note: This manual page is a place-holder because MPICH does not have a manual page for MPI_Comm .seealso: size, rank, comm, PETSC_COMM_WORLD, PETSC_COMM_SELF M*/ /*M PetscScalar - PETSc type that represents either a double precision real number or a double precision complex number if the code is configured with --with-scalar-type=complex Level: beginner .seealso: PetscReal, PassiveReal, PassiveScalar M*/ /*M PetscReal - PETSc type that represents a double precision real number Level: beginner .seealso: PetscScalar, PassiveReal, PassiveScalar M*/ /*M PassiveScalar - PETSc type that represents either a double precision real number or a double precision complex number if the code is code is configured with --with-scalar-type=complex Level: beginner This is the same as a PetscScalar except in code that is automatically differentiated it is treated as a constant (not an indendent or dependent variable) .seealso: PetscReal, PassiveReal, PetscScalar M*/ /*M PassiveReal - PETSc type that represents a double precision real number Level: beginner This is the same as a PetscReal except in code that is automatically differentiated it is treated as a constant (not an indendent or dependent variable) .seealso: PetscScalar, PetscReal, PassiveScalar M*/ /*M MPIU_SCALAR - MPI datatype corresponding to PetscScalar Level: beginner Note: In MPI calls that require an MPI datatype that matches a PetscScalar or array of PetscScalars pass this value .seealso: PetscReal, PassiveReal, PassiveScalar, PetscScalar M*/ /* The IBM include files define hz, here we hide it so that it may be used as a regular user variable. */ #if defined(hz) #undef hz #endif /* For arrays that contain filenames or paths */ #if defined(PETSC_HAVE_LIMITS_H) #include #endif #if defined(PETSC_HAVE_SYS_PARAM_H) #include #endif #if defined(PETSC_HAVE_SYS_TYPES_H) #include #endif #if defined(MAXPATHLEN) # define PETSC_MAX_PATH_LEN MAXPATHLEN #elif defined(MAX_PATH) # define PETSC_MAX_PATH_LEN MAX_PATH #elif defined(_MAX_PATH) # define PETSC_MAX_PATH_LEN _MAX_PATH #else # define PETSC_MAX_PATH_LEN 4096 #endif PETSC_EXTERN_CXX_END #endif