xref: /petsc/include/petsc.h (revision 01634bc4ff78de5b098e79039124c309a0da7f0f)
1 /* $Id: petsc.h,v 1.107 1996/04/10 04:31:08 bsmith Exp bsmith $ */
2 /*
3    PETSc header file, included in all PETSc programs.
4 */
5 #if !defined(__PETSC_PACKAGE)
6 #define __PETSC_PACKAGE
7 
8 #define PETSC_VERSION_NUMBER "PETSc Version 2.0.Beta.13, Released ???, 1996."
9 
10 #include <stdio.h>
11 
12 /* MPI interface */
13 #include "mpi.h"
14 #if defined(PETSC_COMPLEX)
15 extern MPI_Datatype MPIU_COMPLEX;
16 #define MPIU_SCALAR MPIU_COMPLEX
17 #else
18 #define MPIU_SCALAR MPI_DOUBLE
19 #endif
20 
21 #if defined(PETSC_COMPLEX)
22 /* work around for bug in alpha g++ compiler */
23 #if defined(PARCH_alpha)
24 #define hypot(a,b) (double) sqrt((a)*(a)+(b)*(b))
25 #endif
26 #include <complex.h>
27 #define PetscReal(a) real(a)
28 #define Scalar       complex
29 #else
30 #define PetscReal(a) a
31 #define Scalar       double
32 #endif
33 
34 extern void *(*PetscMalloc)(unsigned int,int,char*);
35 extern int  (*PetscFree)(void *,int,char*);
36 extern int  PetscSetMalloc(void *(*)(unsigned int,int,char*),int (*)(void *,int,char*));
37 
38 #define PetscMalloc(a)       (*PetscMalloc)(a,__LINE__,__FILE__)
39 #define PetscNew(A)          (A*) PetscMalloc(sizeof(A))
40 #define PetscFree(a)         (*PetscFree)(a,__LINE__,__FILE__)
41 
42 extern int  PetscTrDump(FILE *);
43 extern int  PetscTrSpace( double *, double *,double *);
44 extern int  PetscTrValid();
45 extern int  PetscTrDebugLevel(int);
46 
47 extern void  PetscMemcpy(void *,void *,int);
48 extern void  PetscMemzero(void *,int);
49 extern int   PetscMemcmp(void*, void*, int);
50 extern int   PetscStrlen(char *);
51 extern int   PetscStrcmp(char *,char *);
52 extern int   PetscStrncmp(char *,char *,int );
53 extern void  PetscStrcpy(char *,char *);
54 extern void  PetscStrcat(char *,char *);
55 extern void  PetscStrncat(char *,char *,int);
56 extern void  PetscStrncpy(char *,char *,int);
57 extern char* PetscStrchr(char *,char);
58 extern char* PetscStrrchr(char *,char);
59 extern char* PetscStrstr(char*,char*);
60 extern char* PetscStrtok(char*,char*);
61 extern char* PetscStrrtok(char*,char*);
62 
63 #define PetscMin(a,b)      ( ((a)<(b)) ? (a) : (b) )
64 #define PetscMax(a,b)      ( ((a)<(b)) ? (b) : (a) )
65 #define PetscAbsInt(a)     ( ((a)<0)   ? -(a) : (a) )
66 
67 #define PETSC_NULL          0
68 typedef enum { PETSC_FALSE, PETSC_TRUE } PetscTruth;
69 
70 #if defined(PETSC_COMPLEX)
71 #define PetscAbsScalar(a)     abs(a)
72 #else
73 #define PetscAbsScalar(a)     ( ((a)<0.0)   ? -(a) : (a) )
74 #endif
75 
76 /*  Macros for error checking */
77 #if !defined(__DIR__)
78 #define __DIR__ 0
79 #endif
80 
81 /*
82      Error codes (incomplete)
83 */
84 #define PETSC_ERR_MEM 55   /* unable to allocate requested memory */
85 #define PETSC_ERR_SUP 56   /* no support yet for this operation */
86 #define PETSC_ERR_ARG 57   /* bad input argument */
87 #define PETSC_ERR_OBJ 58   /* null or corrupt PETSc object */
88 #define PETSC_ERR_SIG 59   /* signal received */
89 #define PETSC_ERR_SIZ 60   /* nonconforming object sizes */
90 
91 #if defined(PETSC_DEBUG)
92 #define SETERRQ(n,s)   {return PetscError(__LINE__,__DIR__,__FILE__,n,s);}
93 #define SETERRA(n,s)   {int _ierr = PetscError(__LINE__,__DIR__,__FILE__,n,s);\
94                           MPI_Abort(MPI_COMM_WORLD,_ierr);}
95 #define CHKERRQ(n)     {if (n) SETERRQ(n,(char *)0);}
96 #define CHKERRA(n)     {if (n) SETERRA(n,(char *)0);}
97 #define CHKPTRQ(p)     if (!p) SETERRQ(PETSC_ERR_MEM,(char*)0);
98 #define CHKPTRA(p)     if (!p) SETERRA(PETSC_ERR_MEM,(char*)0);
99 #else
100 #define SETERRQ(n,s)   {return PetscError(__LINE__,__DIR__,__FILE__,n,s);}
101 #define SETERRA(n,s)   {int _ierr = PetscError(__LINE__,__DIR__,__FILE__,n,s);\
102                           MPI_Abort(MPI_COMM_WORLD,_ierr);}
103 #define CHKERRQ(n)     {if (n) SETERRQ(n,(char *)0);}
104 #define CHKERRA(n)     {if (n) SETERRA(n,(char *)0);}
105 #define CHKPTRQ(p)     if (!p) SETERRQ(PETSC_ERR_MEM,(char*)0);
106 #define CHKPTRA(p)     if (!p) SETERRA(PETSC_ERR_MEM,(char*)0);
107 #endif
108 
109 #define PETSC_COOKIE                1211211
110 #define LARGEST_PETSC_COOKIE_STATIC PETSC_COOKIE + 30
111 extern int LARGEST_PETSC_COOKIE;
112 
113 #define PETSC_DECIDE         -1
114 #define PETSC_DEFAULT        -2
115 
116 #include "viewer.h"
117 #include "options.h"
118 
119 extern int    PetscGetHostName(char *,int);
120 extern double PetscGetTime();
121 extern double PetscGetFlops();
122 extern void   PetscSleep(int);
123 
124 extern int PetscInitialize(int*,char***,char*,char*);
125 extern int PetscFinalize();
126 
127 typedef struct _PetscObject* PetscObject;
128 extern int PetscObjectDestroy(PetscObject);
129 extern int PetscObjectExists(PetscObject,int*);
130 extern int PetscObjectGetComm(PetscObject,MPI_Comm *comm);
131 extern int PetscObjectGetCookie(PetscObject,int *cookie);
132 extern int PetscObjectGetType(PetscObject,int *type);
133 extern int PetscObjectSetName(PetscObject,char*);
134 extern int PetscObjectGetName(PetscObject,char**);
135 extern int PetscObjectInherit(PetscObject,void *, int (*)(void *,void **));
136 #define PetscObjectChild(a) (((PetscObject) (a))->child)
137 
138 extern int PetscTraceBackErrorHandler(int,char*,char*,int,char*,void*);
139 extern int PetscStopErrorHandler(int,char*,char*,int,char*,void*);
140 extern int PetscAbortErrorHandler(int,char*,char*,int,char*,void* );
141 extern int PetscAttachDebuggerErrorHandler(int,char*,char*,int,char*,void*);
142 extern int PetscError(int,char*,char*,int,char*);
143 extern int PetscPushErrorHandler(int (*handler)(int,char*,char*,int,char*,void*),void*);
144 extern int PetscPopErrorHandler();
145 
146 extern int PetscSetDebugger(char *,int,char *);
147 extern int PetscAttachDebugger();
148 
149 extern int PetscDefaultSignalHandler(int,void*);
150 extern int PetscPushSignalHandler(int (*)(int,void *),void*);
151 extern int PetscPopSignalHandler();
152 #define FP_TRAP_OFF    0
153 #define FP_TRAP_ON     1
154 #define FP_TRAP_ALWAYS 2
155 extern int PetscSetFPTrap(int);
156 
157 
158 #include "phead.h"
159 #include "plog.h"
160 
161 #define PetscBarrier(A) \
162   {PetscValidHeader(A); \
163    PLogEventBegin(Petsc_Barrier,A,0,0,0); \
164    MPI_Barrier(((PetscObject)A)->comm); \
165    PLogEventEnd(Petsc_Barrier,A,0,0,0);}
166 
167 /*
168       This code allows one to pass a PETSc object in C
169   to a Fortran routine, where (like all PETSc objects in
170   Fortran) it is treated as an integer.
171 */
172 extern int PetscCObjectToFortranObject(void *a,int *b);
173 extern int PetscFortranObjectToCObject(int a,void *b);
174 
175 extern FILE *PetscFOpen(MPI_Comm,char *,char *);
176 extern int  PetscFClose(MPI_Comm,FILE*);
177 extern int  PetscFPrintf(MPI_Comm,FILE*,char *,...);
178 extern int  PetscPrintf(MPI_Comm,char *,...);
179 
180 extern int  PetscSetDisplay(MPI_Comm,char *,int);
181 
182 extern int  PetscSequentialPhaseBegin(MPI_Comm,int);
183 extern int  PetscSequentialPhaseEnd(MPI_Comm,int);
184 
185 #endif
186