1 /* $Id: petsc.h,v 1.287 2001/04/10 22:37:51 balay Exp bsmith $ */ 2 /* 3 This is the main PETSc include file (for C and C++). It is included by all 4 other PETSc include files, so it almost never has to be specifically included. 5 */ 6 #if !defined(__PETSC_H) 7 #define __PETSC_H 8 9 /* ========================================================================== */ 10 /* 11 Current PETSc version number and release date 12 */ 13 #include "petscversion.h" 14 15 /* ========================================================================== */ 16 /* 17 The PETSc configuration file. Contains various definitions that 18 handle portability issues and the presence of machine features. 19 20 petscconf.h is contained in bmake/${PETSC_ARCH}/petscconf.h it is 21 found automatically by the compiler due to the -I${PETSC_DIR}/bmake/${PETSC_ARCH} 22 in the bmake/common_variables definition of PETSC_INCLUDE 23 */ 24 #include "petscconf.h" 25 26 /* ========================================================================== */ 27 28 #include <stdio.h> 29 /* 30 Defines the interface to MPI allowing the use of all MPI functions. 31 */ 32 #include "mpi.h" 33 34 /* 35 EXTERN indicates a PETSc function defined elsewhere 36 */ 37 #define EXTERN extern 38 39 /* 40 Defines some elementary mathematics functions and constants. 41 */ 42 #include "petscmath.h" 43 44 /* 45 Basic PETSc constants 46 */ 47 48 /*E 49 PetscTruth - Logical variable. Actually an integer 50 51 Level: beginner 52 53 E*/ 54 typedef enum { PETSC_FALSE,PETSC_TRUE } PetscTruth; 55 56 #define PETSC_NULL 0 57 #define PETSC_DECIDE -1 58 #define PETSC_DEFAULT -2 59 60 #define PETSC_YES PETSC_TRUE 61 #define PETSC_NO PETSC_FALSE 62 #define PETSC_IGNORE PETSC_NULL 63 #define PETSC_DETERMINE PETSC_DECIDE 64 65 66 extern MPI_Comm PETSC_COMM_WORLD; 67 extern MPI_Comm PETSC_COMM_SELF; 68 extern PetscTruth PetscInitializeCalled; 69 EXTERN int PetscSetCommWorld(MPI_Comm); 70 EXTERN int PetscSetHelpVersionFunctions(int (*)(MPI_Comm),int (*)(MPI_Comm)); 71 72 /*MC 73 PetscMalloc - Allocates memory 74 75 Input Parameter: 76 . m - number of bytes to allocate 77 78 Output Parameter: 79 . result - memory allocated 80 81 Synopsis: 82 int PetscMalloc(int m,void **result) 83 84 Level: beginner 85 86 Notes: Memory is always allocated at least double aligned 87 88 .seealso: PetscFree(), PetscNew() 89 90 Concepts: memory allocation 91 92 M*/ 93 #define PetscMalloc(a,b) (*PetscTrMalloc)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__,(void**)(b)) 94 /*MC 95 PetscNew - Allocates memory of a particular type 96 97 Input Parameter: 98 . type - structure name of space to be allocated. Memory of size sizeof(type) is allocated 99 100 Output Parameter: 101 . result - memory allocated 102 103 Synopsis: 104 int PetscNew(struct type,((type *))result) 105 106 Level: beginner 107 108 .seealso: PetscFree(), PetscMalloc() 109 110 Concepts: memory allocation 111 112 M*/ 113 #define PetscNew(A,b) PetscMalloc(sizeof(A),(b)) 114 /*MC 115 PetscFree - Frees memory 116 117 Input Parameter: 118 . memory - memory to free 119 120 Synopsis: 121 int PetscFree(memory) 122 123 Level: beginner 124 125 Notes: Memory must have been obtained with PetscNew() or PetscMalloc() 126 127 .seealso: PetscNew(), PetscMalloc() 128 129 Concepts: memory allocation 130 131 M*/ 132 #define PetscFree(a) (*PetscTrFree)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__) 133 EXTERN int (*PetscTrMalloc)(int,int,char*,char*,char*,void**); 134 EXTERN int (*PetscTrFree)(void *,int,char*,char*,char*); 135 EXTERN int PetscSetMalloc(int (*)(int,int,char*,char*,char*,void**),int (*)(void *,int,char*,char*,char*)); 136 EXTERN int PetscClearMalloc(void); 137 138 /* 139 Routines for tracing memory corruption/bleeding with default PETSc 140 memory allocation 141 */ 142 EXTERN int PetscTrDump(FILE *); 143 EXTERN int PetscTrSpace(PetscLogDouble *,PetscLogDouble *,PetscLogDouble *); 144 EXTERN int PetscTrValid(int,const char[],const char[],const char[]); 145 EXTERN int PetscTrDebugLevel(int); 146 EXTERN int PetscTrLog(void); 147 EXTERN int PetscTrLogDump(FILE *); 148 EXTERN int PetscGetResidentSetSize(PetscLogDouble *); 149 150 /* 151 Variable type where we stash PETSc object pointers in Fortran. 152 Assumes that sizeof(long) == sizeof(void*)which is true on 153 all machines that we know. 154 */ 155 #define PetscFortranAddr long 156 157 /*E 158 PetscDataType - Used for handling different basic data types. 159 160 Level: beginner 161 162 .seealso: PetscBinaryRead(), PetscBinaryWrite(), PetscDataTypeToMPIDataType(), 163 PetscDataTypeGetSize(), PetscDataTypeGetName() 164 165 E*/ 166 typedef enum {PETSC_INT = 0,PETSC_DOUBLE = 1,PETSC_COMPLEX = 2, 167 PETSC_LONG =3 ,PETSC_SHORT = 4,PETSC_FLOAT = 5, 168 PETSC_CHAR = 6,PETSC_LOGICAL = 7} PetscDataType; 169 #if defined(PETSC_USE_COMPLEX) 170 #define PETSC_SCALAR PETSC_COMPLEX 171 #else 172 #define PETSC_SCALAR PETSC_DOUBLE 173 #endif 174 #if defined(PETSC_USE_SINGLE) 175 #define PETSC_REAL PETSC_FLOAT 176 #else 177 #define PETSC_REAL PETSC_DOUBLE 178 #endif 179 #define PETSC_FORTRANADDR PETSC_LONG 180 181 EXTERN int PetscDataTypeToMPIDataType(PetscDataType,MPI_Datatype*); 182 EXTERN int PetscDataTypeGetSize(PetscDataType,int*); 183 EXTERN int PetscDataTypeGetName(PetscDataType,char*[]); 184 185 /* 186 Basic memory and string operations. These are usually simple wrappers 187 around the basic Unix system calls, but a few of them have additional 188 functionality and/or error checking. 189 */ 190 EXTERN int PetscMemcpy(void *,const void *,int); 191 EXTERN int PetscBitMemcpy(void*,int,const void*,int,int,PetscDataType); 192 EXTERN int PetscMemmove(void *,void *,int); 193 EXTERN int PetscMemzero(void *,int); 194 EXTERN int PetscMemcmp(const void*,const void*,int,PetscTruth *); 195 EXTERN int PetscStrlen(const char[],int*); 196 EXTERN int PetscStrcmp(const char[],const char[],PetscTruth *); 197 EXTERN int PetscStrgrt(const char[],const char[],PetscTruth *); 198 EXTERN int PetscStrcasecmp(const char[],const char[],PetscTruth*); 199 EXTERN int PetscStrncmp(const char[],const char[],int,PetscTruth*); 200 EXTERN int PetscStrcpy(char[],const char[]); 201 EXTERN int PetscStrcat(char[],const char[]); 202 EXTERN int PetscStrncat(char[],const char[],int); 203 EXTERN int PetscStrncpy(char[],const char[],int); 204 EXTERN int PetscStrchr(const char[],char,char **); 205 EXTERN int PetscStrtolower(char[]); 206 EXTERN int PetscStrrchr(const char[],char,char **); 207 EXTERN int PetscStrstr(const char[],const char[],char **); 208 EXTERN int PetscStrtok(const char[],const char[],char **); 209 EXTERN int PetscStrallocpy(const char[],char **); 210 EXTERN int PetscStrreplace(MPI_Comm,const char[],char*,int); 211 #define PetscStrfree(a) ((a) ? PetscFree(a) : 0) 212 213 /* 214 These are MPI operations for MPI_Allreduce() etc 215 */ 216 EXTERN MPI_Op PetscMaxSum_Op; 217 #if defined(PETSC_USE_COMPLEX) 218 EXTERN MPI_Op PetscSum_Op; 219 #else 220 #define PetscSum_Op MPI_SUM 221 #endif 222 223 /* 224 Each PETSc object class has it's own cookie (internal integer in the 225 data structure used for error checking). These are all defined by an offset 226 from the lowest one, PETSC_COOKIE. 227 */ 228 #define PETSC_COOKIE 1211211 229 #define PETSC_MAX_COOKIES 60 230 #define PETSC_LARGEST_COOKIE_PREDEFINED PETSC_COOKIE + 30 231 #define PETSC_LARGEST_COOKIE_ALLOWED PETSC_COOKIE + PETSC_MAX_COOKIES 232 extern int PETSC_LARGEST_COOKIE; 233 234 /*S 235 PetscObject - any PETSc object, PetscViewer, Mat, Vec, SLES etc 236 237 Level: beginner 238 239 .seealso: PetscObjectDestroy(), PetscObjectView(), PetscObjectGetName(), PetscObjectSetName() 240 S*/ 241 typedef struct _p_PetscObject* PetscObject; 242 243 /*S 244 PetscFList - Linked list of functions, possibly stored in dynamic libraries, accessed 245 by string name 246 247 Level: advanced 248 249 .seealso: PetscFListAdd(), PetscFListDestroy() 250 S*/ 251 typedef struct _PetscFList *PetscFList; 252 253 #include "petscviewer.h" 254 #include "petscoptions.h" 255 256 EXTERN int PetscShowMemoryUsage(PetscViewer,char*); 257 EXTERN int PetscGetTime(PetscLogDouble*); 258 EXTERN int PetscGetCPUTime(PetscLogDouble*); 259 EXTERN int PetscSleep(int); 260 261 /* 262 Initialization of PETSc 263 */ 264 EXTERN int PetscInitialize(int*,char***,char[],const char[]); 265 EXTERN int PetscInitializeNoArguments(void); 266 EXTERN int PetscFinalize(void); 267 EXTERN int PetscInitializeFortran(void); 268 269 /* 270 Functions that can act on any PETSc object. 271 */ 272 EXTERN int PetscObjectDestroy(PetscObject); 273 EXTERN int PetscObjectExists(PetscObject,PetscTruth*); 274 EXTERN int PetscObjectGetComm(PetscObject,MPI_Comm *); 275 EXTERN int PetscObjectGetCookie(PetscObject,int *); 276 EXTERN int PetscObjectGetType(PetscObject,int *); 277 EXTERN int PetscObjectSetName(PetscObject,const char[]); 278 EXTERN int PetscObjectGetName(PetscObject,char*[]); 279 EXTERN int PetscObjectReference(PetscObject); 280 EXTERN int PetscObjectGetReference(PetscObject,int*); 281 EXTERN int PetscObjectDereference(PetscObject); 282 EXTERN int PetscObjectGetNewTag(PetscObject,int *); 283 EXTERN int PetscCommGetNewTag(MPI_Comm,int *); 284 EXTERN int PetscObjectView(PetscObject,PetscViewer); 285 EXTERN int PetscObjectCompose(PetscObject,const char[],PetscObject); 286 EXTERN int PetscObjectQuery(PetscObject,const char[],PetscObject *); 287 EXTERN int PetscObjectComposeFunction(PetscObject,const char[],const char[],void (*)()); 288 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 289 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,0) 290 #else 291 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,(void (*)())(d)) 292 #endif 293 EXTERN int PetscObjectQueryFunction(PetscObject,const char[],void (**)()); 294 EXTERN int PetscObjectSetOptionsPrefix(PetscObject,const char[]); 295 EXTERN int PetscObjectAppendOptionsPrefix(PetscObject,const char[]); 296 EXTERN int PetscObjectPrependOptionsPrefix(PetscObject,const char[]); 297 EXTERN int PetscObjectGetOptionsPrefix(PetscObject,char*[]); 298 EXTERN int PetscObjectPublish(PetscObject); 299 EXTERN int PetscObjectChangeTypeName(PetscObject,char *); 300 EXTERN int PetscObjectRegisterDestroy(PetscObject); 301 EXTERN int PetscObjectRegisterDestroyAll(void); 302 EXTERN int PetscObjectName(PetscObject); 303 EXTERN int PetscTypeCompare(PetscObject,char*,PetscTruth*); 304 305 /* 306 Defines PETSc error handling. 307 */ 308 #include "petscerror.h" 309 310 /*S 311 PetscOList - Linked list of PETSc objects, accessable by string name 312 313 Level: advanced 314 315 .seealso: PetscOListAdd(), PetscOListDestroy(), PetscOListFind() 316 S*/ 317 typedef struct _PetscOList *PetscOList; 318 319 EXTERN int PetscOListDestroy(PetscOList *); 320 EXTERN int PetscOListFind(PetscOList,const char[],PetscObject*); 321 EXTERN int PetscOListReverseFind(PetscOList,PetscObject,char**); 322 EXTERN int PetscOListAdd(PetscOList *,const char[],PetscObject); 323 EXTERN int PetscOListDuplicate(PetscOList,PetscOList *); 324 325 /* 326 Dynamic library lists. Lists of names of routines in dynamic 327 link libraries that will be loaded as needed. 328 */ 329 EXTERN int PetscFListAdd(PetscFList*,const char[],const char[],void (*)()); 330 EXTERN int PetscFListDestroy(PetscFList*); 331 EXTERN int PetscFListFind(MPI_Comm,PetscFList,const char[],void (**)()); 332 EXTERN int PetscFListPrintTypes(MPI_Comm,FILE*,const char[],const char[],char *,char *,PetscFList); 333 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 334 #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,0) 335 #else 336 #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,(void (*)())c) 337 #endif 338 EXTERN int PetscFListDuplicate(PetscFList,PetscFList *); 339 EXTERN int PetscFListView(PetscFList,PetscViewer); 340 EXTERN int PetscFListConcat(const char [],const char [],char []); 341 EXTERN int PetscFListGet(PetscFList,char ***,int*); 342 343 /*S 344 PetscDLLibraryList - Linked list of dynamics libraries to search for functions 345 346 Level: advanced 347 348 PETSC_USE_DYNAMIC_LIBRARIES must be defined in petscconf.h to use dynamic libraries 349 350 .seealso: PetscDLLibraryOpen() 351 S*/ 352 typedef struct _PetscDLLibraryList *PetscDLLibraryList; 353 extern PetscDLLibraryList DLLibrariesLoaded; 354 EXTERN int PetscDLLibraryRetrieve(MPI_Comm,const char[],char *,int,PetscTruth *); 355 EXTERN int PetscDLLibraryOpen(MPI_Comm,const char[],void **); 356 EXTERN int PetscDLLibrarySym(MPI_Comm,PetscDLLibraryList *,const char[],const char[],void **); 357 EXTERN int PetscDLLibraryAppend(MPI_Comm,PetscDLLibraryList *,const char[]); 358 EXTERN int PetscDLLibraryPrepend(MPI_Comm,PetscDLLibraryList *,const char[]); 359 EXTERN int PetscDLLibraryClose(PetscDLLibraryList); 360 EXTERN int PetscDLLibraryPrintPath(void); 361 EXTERN int PetscDLLibraryGetInfo(void *,char *,char **); 362 363 /* 364 Mechanism for translating PETSc object representations between languages 365 Not currently used. 366 */ 367 typedef enum {PETSC_LANGUAGE_C,PETSC_LANGUAGE_CPP} PetscLanguage; 368 #define PETSC_LANGUAGE_F77 PETSC_LANGUAGE_C 369 EXTERN int PetscObjectComposeLanguage(PetscObject,PetscLanguage,void *); 370 EXTERN int PetscObjectQueryLanguage(PetscObject,PetscLanguage,void **); 371 372 /* 373 Useful utility routines 374 */ 375 EXTERN int PetscSplitOwnership(MPI_Comm,int*,int*); 376 EXTERN int PetscSplitOwnershipBlock(MPI_Comm,int,int*,int*); 377 EXTERN int PetscSequentialPhaseBegin(MPI_Comm,int); 378 EXTERN int PetscSequentialPhaseEnd(MPI_Comm,int); 379 EXTERN int PetscBarrier(PetscObject); 380 EXTERN int PetscMPIDump(FILE*); 381 382 #define PetscNot(a) ((a) ? PETSC_FALSE : PETSC_TRUE) 383 /* 384 Defines basic graphics available from PETSc. 385 */ 386 #include "petscdraw.h" 387 388 /* 389 Defines the base data structures for all PETSc objects 390 */ 391 #include "petschead.h" 392 393 /* 394 Defines PETSc profiling. 395 */ 396 #include "petsclog.h" 397 398 /* 399 For locking, unlocking and destroying AMS memories associated with 400 PETSc objects 401 */ 402 #if defined(PETSC_HAVE_AMS) 403 404 extern PetscTruth PetscAMSPublishAll; 405 #define PetscPublishAll(v) (PetscAMSPublishAll ? PetscObjectPublish((PetscObject)v) : 0) 406 #define PetscObjectTakeAccess(obj) ((((PetscObject)(obj))->amem == -1) ? 0 : AMS_Memory_take_access(((PetscObject)(obj))->amem)) 407 #define PetscObjectGrantAccess(obj) ((((PetscObject)(obj))->amem == -1) ? 0 : AMS_Memory_grant_access(((PetscObject)(obj))->amem)) 408 #define PetscObjectDepublish(obj) ((((PetscObject)(obj))->amem == -1) ? 0 : AMS_Memory_destroy(((PetscObject)(obj))->amem)); \ 409 ((PetscObject)(obj))->amem = -1; 410 411 #else 412 413 #define PetscPublishAll(v) 0 414 #define PetscObjectTakeAccess(obj) 0 415 #define PetscObjectGrantAccess(obj) 0 416 #define PetscObjectDepublish(obj) 0 417 418 #endif 419 420 421 422 /* 423 This code allows one to pass a MPI communicator between 424 C and Fortran. MPI 2.0 defines a standard API for doing this. 425 The code here is provided to allow PETSc to work with MPI 1.1 426 standard MPI libraries. 427 */ 428 EXTERN int MPICCommToFortranComm(MPI_Comm,int *); 429 EXTERN int MPIFortranCommToCComm(int,MPI_Comm*); 430 431 /* 432 Simple PETSc parallel IO for ASCII printing 433 */ 434 EXTERN int PetscFixFilename(const char[],char[]); 435 EXTERN int PetscFOpen(MPI_Comm,const char[],const char[],FILE**); 436 EXTERN int PetscFClose(MPI_Comm,FILE*); 437 EXTERN int PetscFPrintf(MPI_Comm,FILE*,const char[],...); 438 EXTERN int PetscPrintf(MPI_Comm,const char[],...); 439 EXTERN int (*PetscErrorPrintf)(const char[],...); 440 EXTERN int (*PetscHelpPrintf)(MPI_Comm,const char[],...); 441 EXTERN int PetscPOpen(MPI_Comm,char *,char*,const char[],FILE **); 442 EXTERN int PetscPClose(MPI_Comm,FILE*); 443 EXTERN int PetscSynchronizedPrintf(MPI_Comm,const char[],...); 444 EXTERN int PetscSynchronizedFPrintf(MPI_Comm,FILE*,const char[],...); 445 EXTERN int PetscSynchronizedFlush(MPI_Comm); 446 EXTERN int PetscSynchronizedFGets(MPI_Comm,FILE*,int,char[]); 447 EXTERN int PetscStartMatlab(MPI_Comm,char *,char*,FILE**); 448 EXTERN int PetscStartJava(MPI_Comm,char *,char*,FILE**); 449 450 EXTERN int PetscPopUpSelect(MPI_Comm,char*,char*,int,char**,int*); 451 /*S 452 PetscObjectContainer - Simple PETSc object that contains a pointer to any required data 453 454 Level: advanced 455 456 .seealso: PetscObject, PetscObjectContainerCreate() 457 S*/ 458 typedef struct _p_PetscObjectContainer* PetscObjectContainer; 459 EXTERN int PetscObjectContainerGetPointer(PetscObjectContainer,void **); 460 EXTERN int PetscObjectContainerSetPointer(PetscObjectContainer,void *); 461 EXTERN int PetscObjectContainerDestroy(PetscObjectContainer); 462 EXTERN int PetscObjectContainerCreate(MPI_Comm comm,PetscObjectContainer *); 463 464 /* 465 For incremental debugging 466 */ 467 extern PetscTruth PetscCompare; 468 EXTERN int PetscCompareDouble(double); 469 EXTERN int PetscCompareScalar(Scalar); 470 EXTERN int PetscCompareInt(int); 471 472 /* 473 For use in debuggers 474 */ 475 extern int PetscGlobalRank,PetscGlobalSize; 476 EXTERN int PetscIntView(int,int[],PetscViewer); 477 EXTERN int PetscDoubleView(int,double[],PetscViewer); 478 EXTERN int PetscScalarView(int,Scalar[],PetscViewer); 479 480 /* 481 Allows accessing Matlab Engine 482 */ 483 #include "petscengine.h" 484 485 /* 486 C code optimization is often enhanced by telling the compiler 487 that certain pointer arguments to functions are not aliased to 488 to other arguments. This is not yet ANSI C standard so we define 489 the macro "restrict" to indicate that the variable is not aliased 490 to any other argument. 491 */ 492 #if defined(PETSC_HAVE_RESTRICT) && !defined(__cplusplus) 493 #define restrict _Restrict 494 #else 495 #define restrict 496 #endif 497 498 /* 499 Determine if some of the kernel computation routines use 500 Fortran (rather than C) for the numerical calculations. On some machines 501 and compilers (like complex numbers) the Fortran version of the routines 502 is faster than the C/C++ versions. The flag PETSC_USE_FORTRAN_KERNELS 503 would be set in the petscconf.h file 504 */ 505 #if defined(PETSC_USE_FORTRAN_KERNELS) 506 507 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJ) 508 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJ 509 #endif 510 511 #if !defined(PETSC_USE_FORTRAN_KERNEL_NORMSQR) 512 #define PETSC_USE_FORTRAN_KERNEL_NORMSQR 513 #endif 514 515 #if !defined(PETSC_USE_FORTRAN_KERNEL_MAXPY) 516 #define PETSC_USE_FORTRAN_KERNEL_MAXPY 517 #endif 518 519 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ) 520 #define PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ 521 #endif 522 523 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ) 524 #define PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ 525 #endif 526 527 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ) 528 #define PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ 529 #endif 530 531 #if !defined(PETSC_USE_FORTRAN_KERNEL_MDOT) 532 #define PETSC_USE_FORTRAN_KERNEL_MDOT 533 #endif 534 535 #if !defined(PETSC_USE_FORTRAN_KERNEL_XTIMESY) 536 #define PETSC_USE_FORTRAN_KERNEL_XTIMESY 537 #endif 538 539 #endif 540 541 /* 542 Macros for indicating code that should be compiled with a C interface, 543 rather than a C++ interface. Any routines that are dynamically loaded 544 (such as the PCCreate_XXX() routines) must be wrapped so that the name 545 mangler does not change the functions symbol name. This just hides the 546 ugly extern "C" {} wrappers. 547 */ 548 #if defined(__cplusplus) 549 #define EXTERN_C_BEGIN extern "C" { 550 #define EXTERN_C_END } 551 #else 552 #define EXTERN_C_BEGIN 553 #define EXTERN_C_END 554 #endif 555 556 /* --------------------------------------------------------------------*/ 557 /* 558 DVF (win32) uses STDCALL calling convention by default. 559 The following is used by the fortran interface. 560 */ 561 #if defined (PETSC_USE_FORTRAN_STDCALL) 562 #define PETSC_STDCALL __stdcall 563 #else 564 #define PETSC_STDCALL 565 #endif 566 567 #endif 568 569 /*M 570 size - integer variable used to contain the number of processors in 571 the relevent MPI_Comm 572 573 Level: beginner 574 575 .seealso: rank, comm 576 M*/ 577 578 /*M 579 rank - integer variable used to contain the number of this processor relative 580 to all in the relevent MPI_Comm 581 582 Level: beginner 583 584 .seealso: size, comm 585 M*/ 586 587 /*M 588 comm - MPI_Comm used in the current routine or object 589 590 Level: beginner 591 592 .seealso: size, rank 593 M*/ 594 595 /*M 596 Scalar - PETSc type that represents either a double precision real number or 597 a double precision complex number if the code is compiled with BOPT=g_complex or O_complex 598 599 Level: beginner 600 601 M*/ 602 603 /* 604 The IBM include files define hz, here we hide it so that it may be used 605 as a regular user variable. 606 */ 607 #if defined(hz) 608 #undef hz 609 #endif 610