1 /* $Id: petsc.h,v 1.131 1996/09/12 16:28:47 bsmith Exp curfman $ */ 2 /* 3 This is the main PETSc include file (for C and C++). It is included by 4 all other PETSc include files so almost never has to be specifically included. 5 */ 6 #if !defined(__PETSC_PACKAGE) 7 #define __PETSC_PACKAGE 8 9 #define PETSC_VERSION_NUMBER "PETSc Version 2.0.15, Released ??? ??, 1996." 10 11 #include <stdio.h> 12 #include "mpi.h" 13 14 #if defined(PETSC_COMPLEX) 15 #if defined(PARCH_t3d) 16 #include "/usr/include/mpp/CC/complex.h" 17 #else 18 #include <complex.h> 19 #endif 20 extern MPI_Datatype MPIU_COMPLEX; 21 #define MPIU_SCALAR MPIU_COMPLEX 22 #define PetscReal(a) real(a) 23 #define PetscAbsScalar(a) abs(a) 24 /* 25 The new complex class for GNU C++ is based on templates and is not backward 26 compatible with all previous complex class libraries. 27 */ 28 #if defined(USES_TEMPLATED_COMPLEX) 29 #define Scalar complex<double> 30 #else 31 #define Scalar complex 32 #endif 33 #else 34 #define MPIU_SCALAR MPI_DOUBLE 35 #define PetscReal(a) a 36 #define PetscAbsScalar(a) ( ((a)<0.0) ? -(a) : (a) ) 37 #define Scalar double 38 #endif 39 40 /* PETSc world communicator */ 41 extern MPI_Comm PETSC_COMM_WORLD; 42 extern int PetscInitializedCalled; 43 44 /* PETSC_i is the imaginary number, i */ 45 extern Scalar PETSC_i; 46 47 #define PetscMin(a,b) ( ((a)<(b)) ? (a) : (b) ) 48 #define PetscMax(a,b) ( ((a)<(b)) ? (b) : (a) ) 49 #define PetscAbsInt(a) ( ((a)<0) ? -(a) : (a) ) 50 #define PetscAbsDouble(a) ( ((a)<0) ? -(a) : (a) ) 51 52 /* 53 Defines the malloc employed by PETSc. Users may employ these routines as well. 54 */ 55 extern void *(*PetscTrMalloc)(unsigned int,int,char*); 56 extern int (*PetscTrFree)(void *,int,char*); 57 extern int PetscSetMalloc(void *(*)(unsigned int,int,char*),int (*)(void *,int,char*)); 58 #define PetscMalloc(a) (*PetscTrMalloc)(a,__LINE__,__FILE__) 59 #define PetscNew(A) (A*) PetscMalloc(sizeof(A)) 60 #define PetscFree(a) (*PetscTrFree)(a,__LINE__,__FILE__) 61 62 extern int PetscTrDump(FILE *); 63 extern int PetscTrSpace( double *, double *,double *); 64 extern int PetscTrValid(int ,char*); 65 extern int PetscTrDebugLevel(int); 66 67 extern void PetscMemcpy(void *,void *,int); 68 extern void PetscMemzero(void *,int); 69 extern int PetscMemcmp(void*, void*, int); 70 extern int PetscStrlen(char *); 71 extern int PetscStrcmp(char *,char *); 72 extern int PetscStrncmp(char *,char *,int ); 73 extern void PetscStrcpy(char *,char *); 74 extern void PetscStrcat(char *,char *); 75 extern void PetscStrncat(char *,char *,int); 76 extern void PetscStrncpy(char *,char *,int); 77 extern char* PetscStrchr(char *,char); 78 extern char* PetscStrrchr(char *,char); 79 extern char* PetscStrstr(char*,char*); 80 extern char* PetscStrtok(char*,char*); 81 extern char* PetscStrrtok(char*,char*); 82 83 typedef enum { PETSC_FALSE, PETSC_TRUE } PetscTruth; 84 #define PETSC_NULL 0 85 #define PETSC_DECIDE -1 86 #define PETSC_DEFAULT -2 87 88 /* 89 Defines the directory where the compiled source is located; used 90 in print error messages. __DIR__ is usually defined in the makefile. 91 */ 92 #if !defined(__DIR__) 93 #define __DIR__ 0 94 #endif 95 96 /* 97 Error codes (incomplete) 98 */ 99 #define PETSC_ERR_MEM 55 /* unable to allocate requested memory */ 100 #define PETSC_ERR_SUP 56 /* no support yet for this operation */ 101 #define PETSC_ERR_ARG 57 /* bad input argument */ 102 #define PETSC_ERR_OBJ 58 /* null or corrupt PETSc object */ 103 #define PETSC_ERR_SIG 59 /* signal received */ 104 #define PETSC_ERR_SIZ 60 /* nonconforming object sizes */ 105 106 #if defined(PETSC_DEBUG) 107 #define SETERRQ(n,s) {return PetscError(__LINE__,__DIR__,__FILE__,n,s);} 108 #define SETERRA(n,s) {int _ierr = PetscError(__LINE__,__DIR__,__FILE__,n,s);\ 109 MPI_Abort(PETSC_COMM_WORLD,_ierr);} 110 #define CHKERRQ(n) {if (n) SETERRQ(n,(char *)0);} 111 #define CHKERRA(n) {if (n) SETERRA(n,(char *)0);} 112 #define CHKPTRQ(p) if (!p) SETERRQ(PETSC_ERR_MEM,(char*)0); 113 #define CHKPTRA(p) if (!p) SETERRA(PETSC_ERR_MEM,(char*)0); 114 #else 115 #define SETERRQ(n,s) {return PetscError(__LINE__,__DIR__,__FILE__,n,s);} 116 #define SETERRA(n,s) {int _ierr = PetscError(__LINE__,__DIR__,__FILE__,n,s);\ 117 MPI_Abort(PETSC_COMM_WORLD,_ierr);} 118 #define CHKERRQ(n) {if (n) SETERRQ(n,(char *)0);} 119 #define CHKERRA(n) {if (n) SETERRA(n,(char *)0);} 120 #define CHKPTRQ(p) if (!p) SETERRQ(PETSC_ERR_MEM,(char*)0); 121 #define CHKPTRA(p) if (!p) SETERRA(PETSC_ERR_MEM,(char*)0); 122 #endif 123 124 /* 125 Each PETSc object class has it's own cookie (internal integer in the 126 data structure used for error checking). These are all defined by an offset 127 from the lowest one, PETSC_COOKIE. 128 */ 129 #define PETSC_COOKIE 1211211 130 #define LARGEST_PETSC_COOKIE_STATIC PETSC_COOKIE + 30 131 extern int LARGEST_PETSC_COOKIE; 132 133 #include "viewer.h" 134 #include "options.h" 135 136 extern double PetscGetTime(); 137 extern void PetscSleep(int); 138 139 extern int PetscInitialize(int*,char***,char*,char*); 140 extern int PetscFinalize(); 141 extern void PetscInitializeFortran(); 142 143 /* 144 Functions that can act on any PETSc object. 145 */ 146 typedef struct _PetscObject* PetscObject; 147 extern int PetscObjectDestroy(PetscObject); 148 extern int PetscObjectExists(PetscObject,int*); 149 extern int PetscObjectGetComm(PetscObject,MPI_Comm *comm); 150 extern int PetscObjectGetCookie(PetscObject,int *cookie); 151 extern int PetscObjectGetChild(PetscObject,void **child); 152 extern int PetscObjectGetType(PetscObject,int *type); 153 extern int PetscObjectSetName(PetscObject,char*); 154 extern int PetscObjectGetName(PetscObject,char**); 155 extern int PetscObjectInherit(PetscObject,void *, int (*)(void *,void **),int (*)(void*)); 156 extern int PetscObjectReference(PetscObject); 157 extern int PetscObjectGetNewTag(PetscObject,int *); 158 extern int PetscObjectRestoreNewTag(PetscObject,int *); 159 extern int PetscSetCommWorld(MPI_Comm); 160 161 extern int PetscTraceBackErrorHandler(int,char*,char*,int,char*,void*); 162 extern int PetscStopErrorHandler(int,char*,char*,int,char*,void*); 163 extern int PetscAbortErrorHandler(int,char*,char*,int,char*,void* ); 164 extern int PetscAttachDebuggerErrorHandler(int,char*,char*,int,char*,void*); 165 extern int PetscError(int,char*,char*,int,char*); 166 extern int PetscPushErrorHandler(int (*handler)(int,char*,char*,int,char*,void*),void*); 167 extern int PetscPopErrorHandler(); 168 169 extern int PetscDefaultSignalHandler(int,void*); 170 extern int PetscPushSignalHandler(int (*)(int,void *),void*); 171 extern int PetscPopSignalHandler(); 172 #define PETSC_FP_TRAP_OFF 0 173 #define PETSC_FP_TRAP_ON 1 174 extern int PetscSetFPTrap(int); 175 176 #include "phead.h" 177 #include "plog.h" 178 179 extern int PetscSequentialPhaseBegin(MPI_Comm,int); 180 extern int PetscSequentialPhaseEnd(MPI_Comm,int); 181 /*M PetscBarrier - Blocks Until this routine is executed by all 182 processors owning the object A 183 184 Input Parameters: 185 . A - PETSc object ( Mat, Vec, IS, SNES etc...) 186 187 Notes: 188 This routine calls MPI_Barrier with the communicator 189 of the PETSc Object "A". 190 191 .keywords: barrier, petscobject 192 M*/ 193 #define PetscBarrier(A) \ 194 { \ 195 PetscValidHeader(A); \ 196 PLogEventBegin(Petsc_Barrier,A,0,0,0); \ 197 MPI_Barrier(((PetscObject)A)->comm); \ 198 PLogEventEnd(Petsc_Barrier,A,0,0,0); \ 199 } 200 201 extern int PetscMPIDump(FILE *); 202 203 /* 204 This code allows one to pass a PETSc object in C 205 to a Fortran routine, where (like all PETSc objects in 206 Fortran) it is treated as an integer. 207 */ 208 extern int PetscCObjectToFortranObject(void *a,int *b); 209 extern int PetscFortranObjectToCObject(int a,void *b); 210 211 extern FILE *PetscFOpen(MPI_Comm,char *,char *); 212 extern int PetscFClose(MPI_Comm,FILE*); 213 extern int PetscFPrintf(MPI_Comm,FILE*,char *,...); 214 extern int PetscPrintf(MPI_Comm,char *,...); 215 216 extern int PetscIntView(int,int*,Viewer); 217 extern int PetscDoubleView(int,double *,Viewer); 218 219 /* 220 For use in debuggers 221 */ 222 extern int PetscGlobalRank,PetscGlobalSize; 223 224 #endif 225