1 /* 2 This is the main PETSc include file (for C and C++). It is included by all 3 other PETSc include files, so it almost never has to be specifically included. 4 */ 5 #if !defined(__PETSCSYS_H) 6 #define __PETSCSYS_H 7 /* ========================================================================== */ 8 /* 9 petscconf.h is contained in ${PETSC_ARCH}/include/petscconf.h it is 10 found automatically by the compiler due to the -I${PETSC_DIR}/${PETSC_ARCH}/include. 11 For --prefix installs the ${PETSC_ARCH}/ does not exist and petscconf.h is in the same 12 directory as the other PETSc include files. 13 */ 14 #include <petscconf.h> 15 #include <petscfix.h> 16 17 #if defined(PETSC_DESIRE_FEATURE_TEST_MACROS) 18 /* 19 Feature test macros must be included before headers defined by IEEE Std 1003.1-2001 20 We only turn these in PETSc source files that require them by setting PETSC_DESIRE_FEATURE_TEST_MACROS 21 */ 22 # if defined(PETSC__POSIX_C_SOURCE_200112L) && !defined(_POSIX_C_SOURCE) 23 # define _POSIX_C_SOURCE 200112L 24 # endif 25 # if defined(PETSC__BSD_SOURCE) && !defined(_BSD_SOURCE) 26 # define _BSD_SOURCE 27 # endif 28 # if defined(PETSC__DEFAULT_SOURCE) && !defined(_DEFAULT_SOURCE) 29 # define _DEFAULT_SOURCE 30 # endif 31 # if defined(PETSC__GNU_SOURCE) && !defined(_GNU_SOURCE) 32 # define _GNU_SOURCE 33 # endif 34 #endif 35 36 #include <petscsystypes.h> 37 38 /* ========================================================================== */ 39 /* 40 This facilitates using the C version of PETSc from C++ and the C++ version from C. 41 */ 42 #if defined(__cplusplus) 43 # define PETSC_FUNCTION_NAME PETSC_FUNCTION_NAME_CXX 44 #else 45 # define PETSC_FUNCTION_NAME PETSC_FUNCTION_NAME_C 46 #endif 47 48 /* ========================================================================== */ 49 /* 50 Since PETSc manages its own extern "C" handling users should never include PETSc include 51 files within extern "C". This will generate a compiler error if a user does put the include 52 file within an extern "C". 53 */ 54 #if defined(__cplusplus) 55 void assert_never_put_petsc_headers_inside_an_extern_c(int); void assert_never_put_petsc_headers_inside_an_extern_c(double); 56 #endif 57 58 #if defined(__cplusplus) 59 # define PETSC_RESTRICT PETSC_CXX_RESTRICT 60 #else 61 # define PETSC_RESTRICT PETSC_C_RESTRICT 62 #endif 63 64 #if defined(__cplusplus) 65 # define PETSC_INLINE PETSC_CXX_INLINE 66 #else 67 # define PETSC_INLINE PETSC_C_INLINE 68 #endif 69 70 #define PETSC_STATIC_INLINE static PETSC_INLINE 71 72 #if defined(_WIN32) && defined(PETSC_USE_SHARED_LIBRARIES) /* For Win32 shared libraries */ 73 # define PETSC_DLLEXPORT __declspec(dllexport) 74 # define PETSC_DLLIMPORT __declspec(dllimport) 75 # define PETSC_VISIBILITY_INTERNAL 76 #elif defined(PETSC_USE_VISIBILITY_CXX) && defined(__cplusplus) 77 # define PETSC_DLLEXPORT __attribute__((visibility ("default"))) 78 # define PETSC_DLLIMPORT __attribute__((visibility ("default"))) 79 # define PETSC_VISIBILITY_INTERNAL __attribute__((visibility ("hidden"))) 80 #elif defined(PETSC_USE_VISIBILITY_C) && !defined(__cplusplus) 81 # define PETSC_DLLEXPORT __attribute__((visibility ("default"))) 82 # define PETSC_DLLIMPORT __attribute__((visibility ("default"))) 83 # define PETSC_VISIBILITY_INTERNAL __attribute__((visibility ("hidden"))) 84 #else 85 # define PETSC_DLLEXPORT 86 # define PETSC_DLLIMPORT 87 # define PETSC_VISIBILITY_INTERNAL 88 #endif 89 90 #if defined(petsc_EXPORTS) /* CMake defines this when building the shared library */ 91 # define PETSC_VISIBILITY_PUBLIC PETSC_DLLEXPORT 92 #else /* Win32 users need this to import symbols from petsc.dll */ 93 # define PETSC_VISIBILITY_PUBLIC PETSC_DLLIMPORT 94 #endif 95 96 /* 97 Functions tagged with PETSC_EXTERN in the header files are 98 always defined as extern "C" when compiled with C++ so they may be 99 used from C and are always visible in the shared libraries 100 */ 101 #if defined(__cplusplus) 102 # define PETSC_EXTERN extern "C" PETSC_VISIBILITY_PUBLIC 103 # define PETSC_EXTERN_TYPEDEF extern "C" 104 # define PETSC_INTERN extern "C" PETSC_VISIBILITY_INTERNAL 105 #else 106 # define PETSC_EXTERN extern PETSC_VISIBILITY_PUBLIC 107 # define PETSC_EXTERN_TYPEDEF 108 # define PETSC_INTERN extern PETSC_VISIBILITY_INTERNAL 109 #endif 110 111 #include <petscversion.h> 112 #define PETSC_AUTHOR_INFO " The PETSc Team\n petsc-maint@mcs.anl.gov\n http://www.mcs.anl.gov/petsc/\n" 113 114 /* ========================================================================== */ 115 116 /* 117 Defines the interface to MPI allowing the use of all MPI functions. 118 119 PETSc does not use the C++ binding of MPI at ALL. The following flag 120 makes sure the C++ bindings are not included. The C++ bindings REQUIRE 121 putting mpi.h before ANY C++ include files, we cannot control this 122 with all PETSc users. Users who want to use the MPI C++ bindings can include 123 mpicxx.h directly in their code 124 */ 125 #if !defined(MPICH_SKIP_MPICXX) 126 # define MPICH_SKIP_MPICXX 1 127 #endif 128 #if !defined(OMPI_SKIP_MPICXX) 129 # define OMPI_SKIP_MPICXX 1 130 #endif 131 #if defined(PETSC_HAVE_MPIUNI) 132 # include <petsc/mpiuni/mpi.h> 133 #else 134 # include <mpi.h> 135 #endif 136 137 /* 138 Perform various sanity checks that the correct mpi.h is being included at compile time. 139 This usually happens because 140 * either an unexpected mpi.h is in the default compiler path (i.e. in /usr/include) or 141 * an extra include path -I/something (which contains the unexpected mpi.h) is being passed to the compiler 142 */ 143 #if defined(PETSC_HAVE_MPIUNI) 144 # if !defined(__MPIUNI_H) 145 # error "PETSc was configured with --with-mpi=0 but now appears to be compiling using a different mpi.h" 146 # endif 147 #elif defined(PETSC_HAVE_I_MPI_NUMVERSION) 148 # if !defined(I_MPI_NUMVERSION) 149 # error "PETSc was configured with I_MPI but now appears to be compiling using a non-I_MPI mpi.h" 150 # elif I_MPI_NUMVERSION != PETSC_HAVE_I_MPI_NUMVERSION 151 # error "PETSc was configured with one I_MPI mpi.h version but now appears to be compiling using a different I_MPI mpi.h version" 152 # endif 153 #elif defined(PETSC_HAVE_MVAPICH2_NUMVERSION) 154 # if !defined(MVAPICH2_NUMVERSION) 155 # error "PETSc was configured with MVAPICH2 but now appears to be compiling using a non-MVAPICH2 mpi.h" 156 # elif MVAPICH2_NUMVERSION != PETSC_HAVE_MVAPICH2_NUMVERSION 157 # error "PETSc was configured with one MVAPICH2 mpi.h version but now appears to be compiling using a different MVAPICH2 mpi.h version" 158 # endif 159 #elif defined(PETSC_HAVE_MPICH_NUMVERSION) 160 # if !defined(MPICH_NUMVERSION) || defined(MVAPICH2_NUMVERSION) || defined(I_MPI_NUMVERSION) 161 # error "PETSc was configured with MPICH but now appears to be compiling using a non-MPICH mpi.h" 162 # elif (MPICH_NUMVERSION/100000 != PETSC_HAVE_MPICH_NUMVERSION/100000) || (MPICH_NUMVERSION%100000/1000 < PETSC_HAVE_MPICH_NUMVERSION%100000/1000) 163 # error "PETSc was configured with one MPICH mpi.h version but now appears to be compiling using a different MPICH mpi.h version" 164 # endif 165 #elif defined(PETSC_HAVE_OMPI_MAJOR_VERSION) 166 # if !defined(OMPI_MAJOR_VERSION) 167 # error "PETSc was configured with OpenMPI but now appears to be compiling using a non-OpenMPI mpi.h" 168 # elif (OMPI_MAJOR_VERSION != PETSC_HAVE_OMPI_MAJOR_VERSION) || (OMPI_MINOR_VERSION != PETSC_HAVE_OMPI_MINOR_VERSION) || (OMPI_RELEASE_VERSION < PETSC_HAVE_OMPI_RELEASE_VERSION) 169 # error "PETSc was configured with one OpenMPI mpi.h version but now appears to be compiling using a different OpenMPI mpi.h version" 170 # endif 171 #elif defined(OMPI_MAJOR_VERSION) || defined(MPICH_NUMVERSION) 172 # error "PETSc was configured with undetermined MPI - but now appears to be compiling using either of OpenMPI or a MPICH variant" 173 #endif 174 175 /* 176 Need to put stdio.h AFTER mpi.h for MPICH2 with C++ compiler 177 see the top of mpicxx.h in the MPICH2 distribution. 178 */ 179 #include <stdio.h> 180 181 /* MSMPI on 32bit windows requires this yukky hack - that breaks MPI standard compliance */ 182 #if !defined(MPIAPI) 183 #define MPIAPI 184 #endif 185 186 /* 187 Support for Clang (>=3.2) matching type tag arguments with void* buffer types. 188 This allows the compiler to detect cases where the MPI datatype argument passed to a MPI routine 189 does not match the actual type of the argument being passed in 190 */ 191 #if defined(__has_attribute) && defined(works_with_const_which_is_not_true) 192 # if __has_attribute(argument_with_type_tag) && __has_attribute(pointer_with_type_tag) && __has_attribute(type_tag_for_datatype) 193 # define PetscAttrMPIPointerWithType(bufno,typeno) __attribute__((pointer_with_type_tag(MPI,bufno,typeno))) 194 # define PetscAttrMPITypeTag(type) __attribute__((type_tag_for_datatype(MPI,type))) 195 # define PetscAttrMPITypeTagLayoutCompatible(type) __attribute__((type_tag_for_datatype(MPI,type,layout_compatible))) 196 # endif 197 #endif 198 #if !defined(PetscAttrMPIPointerWithType) 199 # define PetscAttrMPIPointerWithType(bufno,typeno) 200 # define PetscAttrMPITypeTag(type) 201 # define PetscAttrMPITypeTagLayoutCompatible(type) 202 #endif 203 204 PETSC_EXTERN MPI_Datatype MPIU_ENUM PetscAttrMPITypeTag(PetscEnum); 205 PETSC_EXTERN MPI_Datatype MPIU_BOOL PetscAttrMPITypeTag(PetscBool); 206 207 /*MC 208 MPIU_INT - MPI datatype corresponding to PetscInt 209 210 Notes: 211 In MPI calls that require an MPI datatype that matches a PetscInt or array of PetscInt values, pass this value. 212 213 Level: beginner 214 215 .seealso: PetscReal, PetscScalar, PetscComplex, PetscInt, MPIU_REAL, MPIU_SCALAR, MPIU_COMPLEX 216 M*/ 217 218 #if defined(PETSC_HAVE_STDINT_H) && defined(PETSC_HAVE_INTTYPES_H) && defined(PETSC_HAVE_MPI_INT64_T) /* MPI_INT64_T is not guaranteed to be a macro */ 219 # define MPIU_INT64 MPI_INT64_T 220 # define PetscInt64_FMT PRId64 221 #elif (PETSC_SIZEOF_LONG_LONG == 8) 222 # define MPIU_INT64 MPI_LONG_LONG_INT 223 # define PetscInt64_FMT "lld" 224 #elif defined(PETSC_HAVE___INT64) 225 # define MPIU_INT64 MPI_INT64_T 226 # define PetscInt64_FMT "ld" 227 #else 228 # error "cannot determine PetscInt64 type" 229 #endif 230 231 #if PETSC_SIZEOF_VOID_P == 4 232 # define MPIU_FORTRANADDR MPI_INT 233 #else 234 # define MPIU_FORTRANADDR MPIU_INT64 235 #endif 236 237 #if defined(PETSC_USE_64BIT_INDICES) 238 # define MPIU_INT MPIU_INT64 239 # define PetscInt_FMT PetscInt64_FMT 240 #else 241 # define MPIU_INT MPI_INT 242 # define PetscInt_FMT "d" 243 #endif 244 245 /* 246 For the rare cases when one needs to send a size_t object with MPI 247 */ 248 #if (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_INT) 249 # define MPIU_SIZE_T MPI_UNSIGNED 250 #elif (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_LONG) 251 # define MPIU_SIZE_T MPI_UNSIGNED_LONG 252 #elif (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_LONG_LONG) 253 # define MPIU_SIZE_T MPI_UNSIGNED_LONG_LONG 254 #else 255 # error "Unknown size for size_t! Send us a bugreport at petsc-maint@mcs.anl.gov" 256 #endif 257 258 /* 259 You can use PETSC_STDOUT as a replacement of stdout. You can also change 260 the value of PETSC_STDOUT to redirect all standard output elsewhere 261 */ 262 PETSC_EXTERN FILE* PETSC_STDOUT; 263 264 /* 265 You can use PETSC_STDERR as a replacement of stderr. You can also change 266 the value of PETSC_STDERR to redirect all standard error elsewhere 267 */ 268 PETSC_EXTERN FILE* PETSC_STDERR; 269 270 /*MC 271 PetscUnlikely - hints the compiler that the given condition is usually FALSE 272 273 Synopsis: 274 #include <petscsys.h> 275 PetscBool PetscUnlikely(PetscBool cond) 276 277 Not Collective 278 279 Input Parameters: 280 . cond - condition or expression 281 282 Notes: 283 This returns the same truth value, it is only a hint to compilers that the resulting 284 branch is unlikely. 285 286 Level: advanced 287 288 .seealso: PetscLikely(), CHKERRQ 289 M*/ 290 291 /*MC 292 PetscLikely - hints the compiler that the given condition is usually TRUE 293 294 Synopsis: 295 #include <petscsys.h> 296 PetscBool PetscLikely(PetscBool cond) 297 298 Not Collective 299 300 Input Parameters: 301 . cond - condition or expression 302 303 Notes: 304 This returns the same truth value, it is only a hint to compilers that the resulting 305 branch is likely. 306 307 Level: advanced 308 309 .seealso: PetscUnlikely() 310 M*/ 311 #if defined(PETSC_HAVE_BUILTIN_EXPECT) 312 # define PetscUnlikely(cond) __builtin_expect(!!(cond),0) 313 # define PetscLikely(cond) __builtin_expect(!!(cond),1) 314 #else 315 # define PetscUnlikely(cond) (cond) 316 # define PetscLikely(cond) (cond) 317 #endif 318 319 /* 320 Declare extern C stuff after including external header files 321 */ 322 323 PETSC_EXTERN const char *const PetscBools[]; 324 325 /* 326 Defines elementary mathematics functions and constants. 327 */ 328 #include <petscmath.h> 329 330 PETSC_EXTERN const char *const PetscCopyModes[]; 331 332 /*MC 333 PETSC_IGNORE - same as NULL, means PETSc will ignore this argument 334 335 Level: beginner 336 337 Note: 338 Accepted by many PETSc functions to not set a parameter and instead use 339 some default 340 341 Fortran Notes: 342 This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, 343 PETSC_NULL_DOUBLE_PRECISION etc 344 345 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_DETERMINE 346 347 M*/ 348 #define PETSC_IGNORE NULL 349 350 /* This is deprecated */ 351 #define PETSC_NULL NULL 352 353 /*MC 354 PETSC_DECIDE - standard way of passing in integer or floating point parameter 355 where you wish PETSc to use the default. 356 357 Level: beginner 358 359 .seealso: PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE 360 361 M*/ 362 #define PETSC_DECIDE -1 363 364 /*MC 365 PETSC_DETERMINE - standard way of passing in integer or floating point parameter 366 where you wish PETSc to compute the required value. 367 368 Level: beginner 369 370 Developer Note: 371 I would like to use const PetscInt PETSC_DETERMINE = PETSC_DECIDE; but for 372 some reason this is not allowed by the standard even though PETSC_DECIDE is a constant value. 373 374 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, VecSetSizes() 375 376 M*/ 377 #define PETSC_DETERMINE PETSC_DECIDE 378 379 /*MC 380 PETSC_DEFAULT - standard way of passing in integer or floating point parameter 381 where you wish PETSc to use the default. 382 383 Level: beginner 384 385 Fortran Notes: 386 You need to use PETSC_DEFAULT_INTEGER or PETSC_DEFAULT_REAL. 387 388 .seealso: PETSC_DECIDE, PETSC_IGNORE, PETSC_DETERMINE 389 390 M*/ 391 #define PETSC_DEFAULT -2 392 393 /*MC 394 PETSC_COMM_WORLD - the equivalent of the MPI_COMM_WORLD communicator which represents 395 all the processes that PETSc knows about. 396 397 Level: beginner 398 399 Notes: 400 By default PETSC_COMM_WORLD and MPI_COMM_WORLD are identical unless you wish to 401 run PETSc on ONLY a subset of MPI_COMM_WORLD. In that case create your new (smaller) 402 communicator, call it, say comm, and set PETSC_COMM_WORLD = comm BEFORE calling 403 PetscInitialize(), but after MPI_Init() has been called. 404 405 The value of PETSC_COMM_WORLD should never be USED/accessed before PetscInitialize() 406 is called because it may not have a valid value yet. 407 408 .seealso: PETSC_COMM_SELF 409 410 M*/ 411 PETSC_EXTERN MPI_Comm PETSC_COMM_WORLD; 412 413 /*MC 414 PETSC_COMM_SELF - This is always MPI_COMM_SELF 415 416 Level: beginner 417 418 Notes: 419 Do not USE/access or set this variable before PetscInitialize() has been called. 420 421 .seealso: PETSC_COMM_WORLD 422 423 M*/ 424 #define PETSC_COMM_SELF MPI_COMM_SELF 425 426 PETSC_EXTERN PetscBool PetscBeganMPI; 427 PETSC_EXTERN PetscBool PetscInitializeCalled; 428 PETSC_EXTERN PetscBool PetscFinalizeCalled; 429 PETSC_EXTERN PetscBool PetscViennaCLSynchronize; 430 PETSC_EXTERN PetscBool PetscCUDASynchronize; 431 432 PETSC_EXTERN PetscErrorCode PetscSetHelpVersionFunctions(PetscErrorCode (*)(MPI_Comm),PetscErrorCode (*)(MPI_Comm)); 433 PETSC_EXTERN PetscErrorCode PetscCommDuplicate(MPI_Comm,MPI_Comm*,int*); 434 PETSC_EXTERN PetscErrorCode PetscCommDestroy(MPI_Comm*); 435 436 /*MC 437 PetscMalloc - Allocates memory, One should use PetscNew(), PetscMalloc1() or PetscCalloc1() usually instead of this 438 439 Synopsis: 440 #include <petscsys.h> 441 PetscErrorCode PetscMalloc(size_t m,void **result) 442 443 Not Collective 444 445 Input Parameter: 446 . m - number of bytes to allocate 447 448 Output Parameter: 449 . result - memory allocated 450 451 Level: beginner 452 453 Notes: 454 Memory is always allocated at least double aligned 455 456 It is safe to allocate size 0 and pass the resulting pointer (which may or may not be NULL) to PetscFree(). 457 458 .seealso: PetscFree(), PetscNew() 459 460 Concepts: memory allocation 461 462 M*/ 463 #define PetscMalloc(a,b) ((*PetscTrMalloc)((a),__LINE__,PETSC_FUNCTION_NAME,__FILE__,(void**)(b))) 464 465 /*MC 466 PetscRealloc - Rellocates memory 467 468 Synopsis: 469 #include <petscsys.h> 470 PetscErrorCode PetscRealloc(size_t m,void **result) 471 472 Not Collective 473 474 Input Parameters: 475 + m - number of bytes to allocate 476 - result - initial memory allocated 477 478 Output Parameter: 479 . result - new memory allocated 480 481 Level: developer 482 483 Notes: 484 Memory is always allocated at least double aligned 485 486 .seealso: PetscMalloc(), PetscFree(), PetscNew() 487 488 Concepts: memory allocation 489 490 M*/ 491 #define PetscRealloc(a,b) ((*PetscTrRealloc)((a),__LINE__,PETSC_FUNCTION_NAME,__FILE__,(void**)(b))) 492 493 /*MC 494 PetscAddrAlign - Rounds up an address to PETSC_MEMALIGN alignment 495 496 Synopsis: 497 #include <petscsys.h> 498 void *PetscAddrAlign(void *addr) 499 500 Not Collective 501 502 Input Parameters: 503 . addr - address to align (any pointer type) 504 505 Level: developer 506 507 .seealso: PetscMallocAlign() 508 509 Concepts: memory allocation 510 M*/ 511 #define PetscAddrAlign(a) (void*)((((PETSC_UINTPTR_T)(a))+(PETSC_MEMALIGN-1)) & ~(PETSC_MEMALIGN-1)) 512 513 /*MC 514 PetscMalloc1 - Allocates an array of memory aligned to PETSC_MEMALIGN 515 516 Synopsis: 517 #include <petscsys.h> 518 PetscErrorCode PetscMalloc1(size_t m1,type **r1) 519 520 Not Collective 521 522 Input Parameter: 523 . m1 - number of elements to allocate (may be zero) 524 525 Output Parameter: 526 . r1 - memory allocated in first chunk 527 528 Note: 529 This uses the sizeof() of the memory type requested to determine the total memory to be allocated, therefore you should not 530 multiply the number of elements requested by the sizeof() the type. For example use 531 $ PetscInt *id; 532 $ PetscMalloc1(10,&id); 533 not 534 $ PetscInt *id; 535 $ PetscMalloc1(10*sizeof(PetscInt),&id); 536 537 Does not zero the memory allocatd, used PetscCalloc1() to obtain memory that has been zeroed. 538 539 Level: beginner 540 541 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscCalloc1(), PetscMalloc2() 542 543 Concepts: memory allocation 544 545 M*/ 546 #define PetscMalloc1(m1,r1) PetscMallocA(1,PETSC_FALSE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1)) 547 548 /*MC 549 PetscCalloc1 - Allocates a cleared (zeroed) array of memory aligned to PETSC_MEMALIGN 550 551 Synopsis: 552 #include <petscsys.h> 553 PetscErrorCode PetscCalloc1(size_t m1,type **r1) 554 555 Not Collective 556 557 Input Parameter: 558 . m1 - number of elements to allocate in 1st chunk (may be zero) 559 560 Output Parameter: 561 . r1 - memory allocated in first chunk 562 563 Notes: 564 See PetsMalloc1() for more details on usage. 565 566 Level: beginner 567 568 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc1(), PetscCalloc2() 569 570 Concepts: memory allocation 571 572 M*/ 573 #define PetscCalloc1(m1,r1) PetscMallocA(1,PETSC_TRUE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1)) 574 575 /*MC 576 PetscMalloc2 - Allocates 2 arrays of memory both aligned to PETSC_MEMALIGN 577 578 Synopsis: 579 #include <petscsys.h> 580 PetscErrorCode PetscMalloc2(size_t m1,type **r1,size_t m2,type **r2) 581 582 Not Collective 583 584 Input Parameter: 585 + m1 - number of elements to allocate in 1st chunk (may be zero) 586 - m2 - number of elements to allocate in 2nd chunk (may be zero) 587 588 Output Parameter: 589 + r1 - memory allocated in first chunk 590 - r2 - memory allocated in second chunk 591 592 Level: developer 593 594 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc1(), PetscCalloc2() 595 596 Concepts: memory allocation 597 598 M*/ 599 #define PetscMalloc2(m1,r1,m2,r2) PetscMallocA(2,PETSC_FALSE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2)) 600 601 /*MC 602 PetscCalloc2 - Allocates 2 cleared (zeroed) arrays of memory both aligned to PETSC_MEMALIGN 603 604 Synopsis: 605 #include <petscsys.h> 606 PetscErrorCode PetscCalloc2(size_t m1,type **r1,size_t m2,type **r2) 607 608 Not Collective 609 610 Input Parameter: 611 + m1 - number of elements to allocate in 1st chunk (may be zero) 612 - m2 - number of elements to allocate in 2nd chunk (may be zero) 613 614 Output Parameter: 615 + r1 - memory allocated in first chunk 616 - r2 - memory allocated in second chunk 617 618 Level: developer 619 620 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscCalloc1(), PetscMalloc2() 621 622 Concepts: memory allocation 623 M*/ 624 #define PetscCalloc2(m1,r1,m2,r2) PetscMallocA(2,PETSC_TRUE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2)) 625 626 /*MC 627 PetscMalloc3 - Allocates 3 arrays of memory, all aligned to PETSC_MEMALIGN 628 629 Synopsis: 630 #include <petscsys.h> 631 PetscErrorCode PetscMalloc3(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3) 632 633 Not Collective 634 635 Input Parameter: 636 + m1 - number of elements to allocate in 1st chunk (may be zero) 637 . m2 - number of elements to allocate in 2nd chunk (may be zero) 638 - m3 - number of elements to allocate in 3rd chunk (may be zero) 639 640 Output Parameter: 641 + r1 - memory allocated in first chunk 642 . r2 - memory allocated in second chunk 643 - r3 - memory allocated in third chunk 644 645 Level: developer 646 647 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc3(), PetscFree3() 648 649 Concepts: memory allocation 650 651 M*/ 652 #define PetscMalloc3(m1,r1,m2,r2,m3,r3) PetscMallocA(3,PETSC_FALSE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2),(size_t)(m3)*sizeof(**(r3)),(r3)) 653 654 /*MC 655 PetscCalloc3 - Allocates 3 cleared (zeroed) arrays of memory, all aligned to PETSC_MEMALIGN 656 657 Synopsis: 658 #include <petscsys.h> 659 PetscErrorCode PetscCalloc3(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3) 660 661 Not Collective 662 663 Input Parameter: 664 + m1 - number of elements to allocate in 1st chunk (may be zero) 665 . m2 - number of elements to allocate in 2nd chunk (may be zero) 666 - m3 - number of elements to allocate in 3rd chunk (may be zero) 667 668 Output Parameter: 669 + r1 - memory allocated in first chunk 670 . r2 - memory allocated in second chunk 671 - r3 - memory allocated in third chunk 672 673 Level: developer 674 675 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscCalloc2(), PetscMalloc3(), PetscFree3() 676 677 Concepts: memory allocation 678 M*/ 679 #define PetscCalloc3(m1,r1,m2,r2,m3,r3) PetscMallocA(3,PETSC_TRUE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2),(size_t)(m3)*sizeof(**(r3)),(r3)) 680 681 /*MC 682 PetscMalloc4 - Allocates 4 arrays of memory, all aligned to PETSC_MEMALIGN 683 684 Synopsis: 685 #include <petscsys.h> 686 PetscErrorCode PetscMalloc4(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3,size_t m4,type **r4) 687 688 Not Collective 689 690 Input Parameter: 691 + m1 - number of elements to allocate in 1st chunk (may be zero) 692 . m2 - number of elements to allocate in 2nd chunk (may be zero) 693 . m3 - number of elements to allocate in 3rd chunk (may be zero) 694 - m4 - number of elements to allocate in 4th chunk (may be zero) 695 696 Output Parameter: 697 + r1 - memory allocated in first chunk 698 . r2 - memory allocated in second chunk 699 . r3 - memory allocated in third chunk 700 - r4 - memory allocated in fourth chunk 701 702 Level: developer 703 704 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc4(), PetscFree4() 705 706 Concepts: memory allocation 707 708 M*/ 709 #define PetscMalloc4(m1,r1,m2,r2,m3,r3,m4,r4) PetscMallocA(4,PETSC_FALSE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2),(size_t)(m3)*sizeof(**(r3)),(r3),(size_t)(m4)*sizeof(**(r4)),(r4)) 710 711 /*MC 712 PetscCalloc4 - Allocates 4 cleared (zeroed) arrays of memory, all aligned to PETSC_MEMALIGN 713 714 Synopsis: 715 #include <petscsys.h> 716 PetscErrorCode PetscCalloc4(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3,size_t m4,type **r4) 717 718 Not Collective 719 720 Input Parameters: 721 + m1 - number of elements to allocate in 1st chunk (may be zero) 722 . m2 - number of elements to allocate in 2nd chunk (may be zero) 723 . m3 - number of elements to allocate in 3rd chunk (may be zero) 724 - m4 - number of elements to allocate in 4th chunk (may be zero) 725 726 Output Parameters: 727 + r1 - memory allocated in first chunk 728 . r2 - memory allocated in second chunk 729 . r3 - memory allocated in third chunk 730 - r4 - memory allocated in fourth chunk 731 732 Level: developer 733 734 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc4(), PetscFree4() 735 736 Concepts: memory allocation 737 738 M*/ 739 #define PetscCalloc4(m1,r1,m2,r2,m3,r3,m4,r4) PetscMallocA(4,PETSC_TRUE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2),(size_t)(m3)*sizeof(**(r3)),(r3),(size_t)(m4)*sizeof(**(r4)),(r4)) 740 741 /*MC 742 PetscMalloc5 - Allocates 5 arrays of memory, all aligned to PETSC_MEMALIGN 743 744 Synopsis: 745 #include <petscsys.h> 746 PetscErrorCode PetscMalloc5(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3,size_t m4,type **r4,size_t m5,type **r5) 747 748 Not Collective 749 750 Input Parameters: 751 + m1 - number of elements to allocate in 1st chunk (may be zero) 752 . m2 - number of elements to allocate in 2nd chunk (may be zero) 753 . m3 - number of elements to allocate in 3rd chunk (may be zero) 754 . m4 - number of elements to allocate in 4th chunk (may be zero) 755 - m5 - number of elements to allocate in 5th chunk (may be zero) 756 757 Output Parameters: 758 + r1 - memory allocated in first chunk 759 . r2 - memory allocated in second chunk 760 . r3 - memory allocated in third chunk 761 . r4 - memory allocated in fourth chunk 762 - r5 - memory allocated in fifth chunk 763 764 Level: developer 765 766 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc5(), PetscFree5() 767 768 Concepts: memory allocation 769 770 M*/ 771 #define PetscMalloc5(m1,r1,m2,r2,m3,r3,m4,r4,m5,r5) PetscMallocA(5,PETSC_FALSE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2),(size_t)(m3)*sizeof(**(r3)),(r3),(size_t)(m4)*sizeof(**(r4)),(r4),(size_t)(m5)*sizeof(**(r5)),(r5)) 772 773 /*MC 774 PetscCalloc5 - Allocates 5 cleared (zeroed) arrays of memory, all aligned to PETSC_MEMALIGN 775 776 Synopsis: 777 #include <petscsys.h> 778 PetscErrorCode PetscCalloc5(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3,size_t m4,type **r4,size_t m5,type **r5) 779 780 Not Collective 781 782 Input Parameters: 783 + m1 - number of elements to allocate in 1st chunk (may be zero) 784 . m2 - number of elements to allocate in 2nd chunk (may be zero) 785 . m3 - number of elements to allocate in 3rd chunk (may be zero) 786 . m4 - number of elements to allocate in 4th chunk (may be zero) 787 - m5 - number of elements to allocate in 5th chunk (may be zero) 788 789 Output Parameters: 790 + r1 - memory allocated in first chunk 791 . r2 - memory allocated in second chunk 792 . r3 - memory allocated in third chunk 793 . r4 - memory allocated in fourth chunk 794 - r5 - memory allocated in fifth chunk 795 796 Level: developer 797 798 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc5(), PetscFree5() 799 800 Concepts: memory allocation 801 802 M*/ 803 #define PetscCalloc5(m1,r1,m2,r2,m3,r3,m4,r4,m5,r5) PetscMallocA(5,PETSC_TRUE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2),(size_t)(m3)*sizeof(**(r3)),(r3),(size_t)(m4)*sizeof(**(r4)),(r4),(size_t)(m5)*sizeof(**(r5)),(r5)) 804 805 /*MC 806 PetscMalloc6 - Allocates 6 arrays of memory, all aligned to PETSC_MEMALIGN 807 808 Synopsis: 809 #include <petscsys.h> 810 PetscErrorCode PetscMalloc6(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3,size_t m4,type **r4,size_t m5,type **r5,size_t m6,type **r6) 811 812 Not Collective 813 814 Input Parameters: 815 + m1 - number of elements to allocate in 1st chunk (may be zero) 816 . m2 - number of elements to allocate in 2nd chunk (may be zero) 817 . m3 - number of elements to allocate in 3rd chunk (may be zero) 818 . m4 - number of elements to allocate in 4th chunk (may be zero) 819 . m5 - number of elements to allocate in 5th chunk (may be zero) 820 - m6 - number of elements to allocate in 6th chunk (may be zero) 821 822 Output Parameteasr: 823 + r1 - memory allocated in first chunk 824 . r2 - memory allocated in second chunk 825 . r3 - memory allocated in third chunk 826 . r4 - memory allocated in fourth chunk 827 . r5 - memory allocated in fifth chunk 828 - r6 - memory allocated in sixth chunk 829 830 Level: developer 831 832 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc6(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6() 833 834 Concepts: memory allocation 835 836 M*/ 837 #define PetscMalloc6(m1,r1,m2,r2,m3,r3,m4,r4,m5,r5,m6,r6) PetscMallocA(6,PETSC_FALSE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2),(size_t)(m3)*sizeof(**(r3)),(r3),(size_t)(m4)*sizeof(**(r4)),(r4),(size_t)(m5)*sizeof(**(r5)),(r5),(size_t)(m6)*sizeof(**(r6)),(r6)) 838 839 /*MC 840 PetscCalloc6 - Allocates 6 cleared (zeroed) arrays of memory, all aligned to PETSC_MEMALIGN 841 842 Synopsis: 843 #include <petscsys.h> 844 PetscErrorCode PetscCalloc6(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3,size_t m4,type **r4,size_t m5,type **r5,size_t m6,type **r6) 845 846 Not Collective 847 848 Input Parameters: 849 + m1 - number of elements to allocate in 1st chunk (may be zero) 850 . m2 - number of elements to allocate in 2nd chunk (may be zero) 851 . m3 - number of elements to allocate in 3rd chunk (may be zero) 852 . m4 - number of elements to allocate in 4th chunk (may be zero) 853 . m5 - number of elements to allocate in 5th chunk (may be zero) 854 - m6 - number of elements to allocate in 6th chunk (may be zero) 855 856 Output Parameters: 857 + r1 - memory allocated in first chunk 858 . r2 - memory allocated in second chunk 859 . r3 - memory allocated in third chunk 860 . r4 - memory allocated in fourth chunk 861 . r5 - memory allocated in fifth chunk 862 - r6 - memory allocated in sixth chunk 863 864 Level: developer 865 866 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscMalloc6(), PetscFree6() 867 868 Concepts: memory allocation 869 M*/ 870 #define PetscCalloc6(m1,r1,m2,r2,m3,r3,m4,r4,m5,r5,m6,r6) PetscMallocA(6,PETSC_TRUE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2),(size_t)(m3)*sizeof(**(r3)),(r3),(size_t)(m4)*sizeof(**(r4)),(r4),(size_t)(m5)*sizeof(**(r5)),(r5),(size_t)(m6)*sizeof(**(r6)),(r6)) 871 872 /*MC 873 PetscMalloc7 - Allocates 7 arrays of memory, all aligned to PETSC_MEMALIGN 874 875 Synopsis: 876 #include <petscsys.h> 877 PetscErrorCode PetscMalloc7(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3,size_t m4,type **r4,size_t m5,type **r5,size_t m6,type **r6,size_t m7,type **r7) 878 879 Not Collective 880 881 Input Parameters: 882 + m1 - number of elements to allocate in 1st chunk (may be zero) 883 . m2 - number of elements to allocate in 2nd chunk (may be zero) 884 . m3 - number of elements to allocate in 3rd chunk (may be zero) 885 . m4 - number of elements to allocate in 4th chunk (may be zero) 886 . m5 - number of elements to allocate in 5th chunk (may be zero) 887 . m6 - number of elements to allocate in 6th chunk (may be zero) 888 - m7 - number of elements to allocate in 7th chunk (may be zero) 889 890 Output Parameters: 891 + r1 - memory allocated in first chunk 892 . r2 - memory allocated in second chunk 893 . r3 - memory allocated in third chunk 894 . r4 - memory allocated in fourth chunk 895 . r5 - memory allocated in fifth chunk 896 . r6 - memory allocated in sixth chunk 897 - r7 - memory allocated in seventh chunk 898 899 Level: developer 900 901 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc7(), PetscFree7() 902 903 Concepts: memory allocation 904 905 M*/ 906 #define PetscMalloc7(m1,r1,m2,r2,m3,r3,m4,r4,m5,r5,m6,r6,m7,r7) PetscMallocA(7,PETSC_FALSE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2),(size_t)(m3)*sizeof(**(r3)),(r3),(size_t)(m4)*sizeof(**(r4)),(r4),(size_t)(m5)*sizeof(**(r5)),(r5),(size_t)(m6)*sizeof(**(r6)),(r6),(size_t)(m7)*sizeof(**(r7)),(r7)) 907 908 /*MC 909 PetscCalloc7 - Allocates 7 cleared (zeroed) arrays of memory, all aligned to PETSC_MEMALIGN 910 911 Synopsis: 912 #include <petscsys.h> 913 PetscErrorCode PetscCalloc7(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3,size_t m4,type **r4,size_t m5,type **r5,size_t m6,type **r6,size_t m7,type **r7) 914 915 Not Collective 916 917 Input Parameters: 918 + m1 - number of elements to allocate in 1st chunk (may be zero) 919 . m2 - number of elements to allocate in 2nd chunk (may be zero) 920 . m3 - number of elements to allocate in 3rd chunk (may be zero) 921 . m4 - number of elements to allocate in 4th chunk (may be zero) 922 . m5 - number of elements to allocate in 5th chunk (may be zero) 923 . m6 - number of elements to allocate in 6th chunk (may be zero) 924 - m7 - number of elements to allocate in 7th chunk (may be zero) 925 926 Output Parameters: 927 + r1 - memory allocated in first chunk 928 . r2 - memory allocated in second chunk 929 . r3 - memory allocated in third chunk 930 . r4 - memory allocated in fourth chunk 931 . r5 - memory allocated in fifth chunk 932 . r6 - memory allocated in sixth chunk 933 - r7 - memory allocated in seventh chunk 934 935 Level: developer 936 937 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscMalloc7(), PetscFree7() 938 939 Concepts: memory allocation 940 M*/ 941 #define PetscCalloc7(m1,r1,m2,r2,m3,r3,m4,r4,m5,r5,m6,r6,m7,r7) PetscMallocA(7,PETSC_TRUE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1),(size_t)(m2)*sizeof(**(r2)),(r2),(size_t)(m3)*sizeof(**(r3)),(r3),(size_t)(m4)*sizeof(**(r4)),(r4),(size_t)(m5)*sizeof(**(r5)),(r5),(size_t)(m6)*sizeof(**(r6)),(r6),(size_t)(m7)*sizeof(**(r7)),(r7)) 942 943 /*MC 944 PetscNew - Allocates memory of a particular type, zeros the memory! Aligned to PETSC_MEMALIGN 945 946 Synopsis: 947 #include <petscsys.h> 948 PetscErrorCode PetscNew(type **result) 949 950 Not Collective 951 952 Output Parameter: 953 . result - memory allocated, sized to match pointer type 954 955 Level: beginner 956 957 .seealso: PetscFree(), PetscMalloc(), PetscNewLog(), PetscCalloc1(), PetscMalloc1() 958 959 Concepts: memory allocation 960 961 M*/ 962 #define PetscNew(b) PetscCalloc1(1,(b)) 963 964 /*MC 965 PetscNewLog - Allocates memory of a type matching pointer, zeros the memory! Aligned to PETSC_MEMALIGN. Associates the memory allocated 966 with the given object using PetscLogObjectMemory(). 967 968 Synopsis: 969 #include <petscsys.h> 970 PetscErrorCode PetscNewLog(PetscObject obj,type **result) 971 972 Not Collective 973 974 Input Parameter: 975 . obj - object memory is logged to 976 977 Output Parameter: 978 . result - memory allocated, sized to match pointer type 979 980 Level: developer 981 982 .seealso: PetscFree(), PetscMalloc(), PetscNew(), PetscLogObjectMemory(), PetscCalloc1(), PetscMalloc1() 983 984 Concepts: memory allocation 985 986 M*/ 987 #define PetscNewLog(o,b) (PetscNew((b)) || PetscLogObjectMemory((PetscObject)o,sizeof(**(b)))) 988 989 /*MC 990 PetscFree - Frees memory 991 992 Synopsis: 993 #include <petscsys.h> 994 PetscErrorCode PetscFree(void *memory) 995 996 Not Collective 997 998 Input Parameter: 999 . memory - memory to free (the pointer is ALWAYS set to NULL upon sucess) 1000 1001 Level: beginner 1002 1003 Notes: 1004 Do not free memory obtained with PetscMalloc2(), PetscCalloc2() etc, they must be freed with PetscFree2() etc. 1005 1006 It is safe to call PetscFree() on a NULL pointer. 1007 1008 .seealso: PetscNew(), PetscMalloc(), PetscNewLog(), PetscMalloc1(), PetscCalloc1() 1009 1010 Concepts: memory allocation 1011 1012 M*/ 1013 #define PetscFree(a) ((*PetscTrFree)((void*)(a),__LINE__,PETSC_FUNCTION_NAME,__FILE__) || ((a) = 0,0)) 1014 1015 /*MC 1016 PetscFree2 - Frees 2 chunks of memory obtained with PetscMalloc2() 1017 1018 Synopsis: 1019 #include <petscsys.h> 1020 PetscErrorCode PetscFree2(void *memory1,void *memory2) 1021 1022 Not Collective 1023 1024 Input Parameters: 1025 + memory1 - memory to free 1026 - memory2 - 2nd memory to free 1027 1028 Level: developer 1029 1030 Notes: 1031 Memory must have been obtained with PetscMalloc2() 1032 1033 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree() 1034 1035 Concepts: memory allocation 1036 1037 M*/ 1038 #define PetscFree2(m1,m2) PetscFreeA(2,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2)) 1039 1040 /*MC 1041 PetscFree3 - Frees 3 chunks of memory obtained with PetscMalloc3() 1042 1043 Synopsis: 1044 #include <petscsys.h> 1045 PetscErrorCode PetscFree3(void *memory1,void *memory2,void *memory3) 1046 1047 Not Collective 1048 1049 Input Parameters: 1050 + memory1 - memory to free 1051 . memory2 - 2nd memory to free 1052 - memory3 - 3rd memory to free 1053 1054 Level: developer 1055 1056 Notes: 1057 Memory must have been obtained with PetscMalloc3() 1058 1059 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3() 1060 1061 Concepts: memory allocation 1062 1063 M*/ 1064 #define PetscFree3(m1,m2,m3) PetscFreeA(3,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2),&(m3)) 1065 1066 /*MC 1067 PetscFree4 - Frees 4 chunks of memory obtained with PetscMalloc4() 1068 1069 Synopsis: 1070 #include <petscsys.h> 1071 PetscErrorCode PetscFree4(void *m1,void *m2,void *m3,void *m4) 1072 1073 Not Collective 1074 1075 Input Parameters: 1076 + m1 - memory to free 1077 . m2 - 2nd memory to free 1078 . m3 - 3rd memory to free 1079 - m4 - 4th memory to free 1080 1081 Level: developer 1082 1083 Notes: 1084 Memory must have been obtained with PetscMalloc4() 1085 1086 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4() 1087 1088 Concepts: memory allocation 1089 1090 M*/ 1091 #define PetscFree4(m1,m2,m3,m4) PetscFreeA(4,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2),&(m3),&(m4)) 1092 1093 /*MC 1094 PetscFree5 - Frees 5 chunks of memory obtained with PetscMalloc5() 1095 1096 Synopsis: 1097 #include <petscsys.h> 1098 PetscErrorCode PetscFree5(void *m1,void *m2,void *m3,void *m4,void *m5) 1099 1100 Not Collective 1101 1102 Input Parameters: 1103 + m1 - memory to free 1104 . m2 - 2nd memory to free 1105 . m3 - 3rd memory to free 1106 . m4 - 4th memory to free 1107 - m5 - 5th memory to free 1108 1109 Level: developer 1110 1111 Notes: 1112 Memory must have been obtained with PetscMalloc5() 1113 1114 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5() 1115 1116 Concepts: memory allocation 1117 1118 M*/ 1119 #define PetscFree5(m1,m2,m3,m4,m5) PetscFreeA(5,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2),&(m3),&(m4),&(m5)) 1120 1121 /*MC 1122 PetscFree6 - Frees 6 chunks of memory obtained with PetscMalloc6() 1123 1124 Synopsis: 1125 #include <petscsys.h> 1126 PetscErrorCode PetscFree6(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6) 1127 1128 Not Collective 1129 1130 Input Parameters: 1131 + m1 - memory to free 1132 . m2 - 2nd memory to free 1133 . m3 - 3rd memory to free 1134 . m4 - 4th memory to free 1135 . m5 - 5th memory to free 1136 - m6 - 6th memory to free 1137 1138 1139 Level: developer 1140 1141 Notes: 1142 Memory must have been obtained with PetscMalloc6() 1143 1144 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6() 1145 1146 Concepts: memory allocation 1147 1148 M*/ 1149 #define PetscFree6(m1,m2,m3,m4,m5,m6) PetscFreeA(6,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2),&(m3),&(m4),&(m5),&(m6)) 1150 1151 /*MC 1152 PetscFree7 - Frees 7 chunks of memory obtained with PetscMalloc7() 1153 1154 Synopsis: 1155 #include <petscsys.h> 1156 PetscErrorCode PetscFree7(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6,void *m7) 1157 1158 Not Collective 1159 1160 Input Parameters: 1161 + m1 - memory to free 1162 . m2 - 2nd memory to free 1163 . m3 - 3rd memory to free 1164 . m4 - 4th memory to free 1165 . m5 - 5th memory to free 1166 . m6 - 6th memory to free 1167 - m7 - 7th memory to free 1168 1169 1170 Level: developer 1171 1172 Notes: 1173 Memory must have been obtained with PetscMalloc7() 1174 1175 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6(), 1176 PetscMalloc7() 1177 1178 Concepts: memory allocation 1179 1180 M*/ 1181 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7) PetscFreeA(7,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2),&(m3),&(m4),&(m5),&(m6),&(m7)) 1182 1183 PETSC_EXTERN PetscErrorCode PetscMallocA(int,PetscBool,int,const char *,const char *,size_t,void *,...); 1184 PETSC_EXTERN PetscErrorCode PetscFreeA(int,int,const char *,const char *,void *,...); 1185 PETSC_EXTERN PetscErrorCode (*PetscTrMalloc)(size_t,int,const char[],const char[],void**); 1186 PETSC_EXTERN PetscErrorCode (*PetscTrFree)(void*,int,const char[],const char[]); 1187 PETSC_EXTERN PetscErrorCode (*PetscTrRealloc)(size_t,int,const char[],const char[],void**); 1188 PETSC_EXTERN PetscErrorCode PetscMallocSetCoalesce(PetscBool); 1189 PETSC_EXTERN PetscErrorCode PetscMallocSet(PetscErrorCode (*)(size_t,int,const char[],const char[],void**),PetscErrorCode (*)(void*,int,const char[],const char[])); 1190 PETSC_EXTERN PetscErrorCode PetscMallocClear(void); 1191 1192 /* 1193 Unlike PetscMallocSet and PetscMallocClear which overwrite the existing settings, these two functions save the previous choice of allocator, and should be used in pair. 1194 */ 1195 PETSC_EXTERN PetscErrorCode PetscMallocSetDRAM(void); 1196 PETSC_EXTERN PetscErrorCode PetscMallocResetDRAM(void); 1197 1198 #define MPIU_PETSCLOGDOUBLE MPI_DOUBLE 1199 1200 /* 1201 Routines for tracing memory corruption/bleeding with default PETSc memory allocation 1202 */ 1203 PETSC_EXTERN PetscErrorCode PetscMallocDump(FILE *); 1204 PETSC_EXTERN PetscErrorCode PetscMallocDumpLog(FILE *); 1205 PETSC_EXTERN PetscErrorCode PetscMallocGetCurrentUsage(PetscLogDouble *); 1206 PETSC_EXTERN PetscErrorCode PetscMallocGetMaximumUsage(PetscLogDouble *); 1207 PETSC_EXTERN PetscErrorCode PetscMallocDebug(PetscBool); 1208 PETSC_EXTERN PetscErrorCode PetscMallocGetDebug(PetscBool*); 1209 PETSC_EXTERN PetscErrorCode PetscMallocValidate(int,const char[],const char[]); 1210 PETSC_EXTERN PetscErrorCode PetscMallocSetDumpLog(void); 1211 PETSC_EXTERN PetscErrorCode PetscMallocSetDumpLogThreshold(PetscLogDouble); 1212 PETSC_EXTERN PetscErrorCode PetscMallocGetDumpLog(PetscBool*); 1213 1214 PETSC_EXTERN const char *const PetscDataTypes[]; 1215 PETSC_EXTERN PetscErrorCode PetscDataTypeToMPIDataType(PetscDataType,MPI_Datatype*); 1216 PETSC_EXTERN PetscErrorCode PetscMPIDataTypeToPetscDataType(MPI_Datatype,PetscDataType*); 1217 PETSC_EXTERN PetscErrorCode PetscDataTypeGetSize(PetscDataType,size_t*); 1218 PETSC_EXTERN PetscErrorCode PetscDataTypeFromString(const char*,PetscDataType*,PetscBool*); 1219 1220 /* 1221 Basic memory and string operations. These are usually simple wrappers 1222 around the basic Unix system calls, but a few of them have additional 1223 functionality and/or error checking. 1224 */ 1225 PETSC_EXTERN PetscErrorCode PetscBitMemcpy(void*,PetscInt,const void*,PetscInt,PetscInt,PetscDataType); 1226 PETSC_EXTERN PetscErrorCode PetscMemmove(void*,void *,size_t); 1227 PETSC_EXTERN PetscErrorCode PetscMemcmp(const void*,const void*,size_t,PetscBool *); 1228 PETSC_EXTERN PetscErrorCode PetscStrlen(const char[],size_t*); 1229 PETSC_EXTERN PetscErrorCode PetscStrToArray(const char[],char,int*,char ***); 1230 PETSC_EXTERN PetscErrorCode PetscStrToArrayDestroy(int,char **); 1231 PETSC_EXTERN PetscErrorCode PetscStrcmp(const char[],const char[],PetscBool *); 1232 PETSC_EXTERN PetscErrorCode PetscStrgrt(const char[],const char[],PetscBool *); 1233 PETSC_EXTERN PetscErrorCode PetscStrcasecmp(const char[],const char[],PetscBool *); 1234 PETSC_EXTERN PetscErrorCode PetscStrncmp(const char[],const char[],size_t,PetscBool *); 1235 PETSC_EXTERN PetscErrorCode PetscStrcpy(char[],const char[]); 1236 PETSC_EXTERN PetscErrorCode PetscStrcat(char[],const char[]); 1237 PETSC_EXTERN PetscErrorCode PetscStrlcat(char[],const char[],size_t); 1238 PETSC_EXTERN PetscErrorCode PetscStrncpy(char[],const char[],size_t); 1239 PETSC_EXTERN PetscErrorCode PetscStrchr(const char[],char,char *[]); 1240 PETSC_EXTERN PetscErrorCode PetscStrtolower(char[]); 1241 PETSC_EXTERN PetscErrorCode PetscStrtoupper(char[]); 1242 PETSC_EXTERN PetscErrorCode PetscStrrchr(const char[],char,char *[]); 1243 PETSC_EXTERN PetscErrorCode PetscStrstr(const char[],const char[],char *[]); 1244 PETSC_EXTERN PetscErrorCode PetscStrrstr(const char[],const char[],char *[]); 1245 PETSC_EXTERN PetscErrorCode PetscStrendswith(const char[],const char[],PetscBool*); 1246 PETSC_EXTERN PetscErrorCode PetscStrbeginswith(const char[],const char[],PetscBool*); 1247 PETSC_EXTERN PetscErrorCode PetscStrendswithwhich(const char[],const char *const*,PetscInt*); 1248 PETSC_EXTERN PetscErrorCode PetscStrallocpy(const char[],char *[]); 1249 PETSC_EXTERN PetscErrorCode PetscStrArrayallocpy(const char *const*,char***); 1250 PETSC_EXTERN PetscErrorCode PetscStrArrayDestroy(char***); 1251 PETSC_EXTERN PetscErrorCode PetscStrNArrayallocpy(PetscInt,const char *const*,char***); 1252 PETSC_EXTERN PetscErrorCode PetscStrNArrayDestroy(PetscInt,char***); 1253 PETSC_EXTERN PetscErrorCode PetscStrreplace(MPI_Comm,const char[],char[],size_t); 1254 1255 PETSC_EXTERN void PetscStrcmpNoError(const char[],const char[],PetscBool *); 1256 1257 PETSC_EXTERN PetscErrorCode PetscTokenCreate(const char[],const char,PetscToken*); 1258 PETSC_EXTERN PetscErrorCode PetscTokenFind(PetscToken,char *[]); 1259 PETSC_EXTERN PetscErrorCode PetscTokenDestroy(PetscToken*); 1260 PETSC_EXTERN PetscErrorCode PetscStrInList(const char[],const char[],char,PetscBool*); 1261 1262 PETSC_EXTERN PetscErrorCode PetscEListFind(PetscInt,const char *const*,const char*,PetscInt*,PetscBool*); 1263 PETSC_EXTERN PetscErrorCode PetscEnumFind(const char *const*,const char*,PetscEnum*,PetscBool*); 1264 1265 /* 1266 These are MPI operations for MPI_Allreduce() etc 1267 */ 1268 PETSC_EXTERN MPI_Op MPIU_MAXSUM_OP; 1269 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16) 1270 PETSC_EXTERN MPI_Op MPIU_SUM; 1271 #else 1272 #define MPIU_SUM MPI_SUM 1273 #endif 1274 #if defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16) 1275 PETSC_EXTERN MPI_Op MPIU_MAX; 1276 PETSC_EXTERN MPI_Op MPIU_MIN; 1277 #else 1278 #define MPIU_MAX MPI_MAX 1279 #define MPIU_MIN MPI_MIN 1280 #endif 1281 PETSC_EXTERN PetscErrorCode PetscMaxSum(MPI_Comm,const PetscInt[],PetscInt*,PetscInt*); 1282 1283 PETSC_EXTERN PetscErrorCode MPIULong_Send(void*,PetscInt,MPI_Datatype,PetscMPIInt,PetscMPIInt,MPI_Comm); 1284 PETSC_EXTERN PetscErrorCode MPIULong_Recv(void*,PetscInt,MPI_Datatype,PetscMPIInt,PetscMPIInt,MPI_Comm); 1285 1286 PETSC_EXTERN const char *const PetscFileModes[]; 1287 1288 /* 1289 Defines PETSc error handling. 1290 */ 1291 #include <petscerror.h> 1292 1293 #define PETSC_SMALLEST_CLASSID 1211211 1294 PETSC_EXTERN PetscClassId PETSC_LARGEST_CLASSID; 1295 PETSC_EXTERN PetscClassId PETSC_OBJECT_CLASSID; 1296 PETSC_EXTERN PetscErrorCode PetscClassIdRegister(const char[],PetscClassId *); 1297 1298 /* 1299 Routines that get memory usage information from the OS 1300 */ 1301 PETSC_EXTERN PetscErrorCode PetscMemoryGetCurrentUsage(PetscLogDouble *); 1302 PETSC_EXTERN PetscErrorCode PetscMemoryGetMaximumUsage(PetscLogDouble *); 1303 PETSC_EXTERN PetscErrorCode PetscMemorySetGetMaximumUsage(void); 1304 PETSC_EXTERN PetscErrorCode PetscMemoryTrace(const char[]); 1305 1306 PETSC_EXTERN PetscErrorCode PetscInfoAllow(PetscBool ,const char []); 1307 PETSC_EXTERN PetscErrorCode PetscSleep(PetscReal); 1308 1309 /* 1310 Initialization of PETSc 1311 */ 1312 PETSC_EXTERN PetscErrorCode PetscInitialize(int*,char***,const char[],const char[]); 1313 PETSC_EXTERN PetscErrorCode PetscInitializeNoPointers(int,char**,const char[],const char[]); 1314 PETSC_EXTERN PetscErrorCode PetscInitializeNoArguments(void); 1315 PETSC_EXTERN PetscErrorCode PetscInitialized(PetscBool *); 1316 PETSC_EXTERN PetscErrorCode PetscFinalized(PetscBool *); 1317 PETSC_EXTERN PetscErrorCode PetscFinalize(void); 1318 PETSC_EXTERN PetscErrorCode PetscInitializeFortran(void); 1319 PETSC_EXTERN PetscErrorCode PetscGetArgs(int*,char ***); 1320 PETSC_EXTERN PetscErrorCode PetscGetArguments(char ***); 1321 PETSC_EXTERN PetscErrorCode PetscFreeArguments(char **); 1322 1323 PETSC_EXTERN PetscErrorCode PetscEnd(void); 1324 PETSC_EXTERN PetscErrorCode PetscSysInitializePackage(void); 1325 1326 PETSC_EXTERN PetscErrorCode PetscPythonInitialize(const char[],const char[]); 1327 PETSC_EXTERN PetscErrorCode PetscPythonFinalize(void); 1328 PETSC_EXTERN PetscErrorCode PetscPythonPrintError(void); 1329 PETSC_EXTERN PetscErrorCode PetscPythonMonitorSet(PetscObject,const char[]); 1330 1331 /* 1332 These are so that in extern C code we can caste function pointers to non-extern C 1333 function pointers. Since the regular C++ code expects its function pointers to be C++ 1334 */ 1335 PETSC_EXTERN_TYPEDEF typedef void (**PetscVoidStarFunction)(void); 1336 PETSC_EXTERN_TYPEDEF typedef void (*PetscVoidFunction)(void); 1337 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*PetscErrorCodeFunction)(void); 1338 1339 /* 1340 Functions that can act on any PETSc object. 1341 */ 1342 PETSC_EXTERN PetscErrorCode PetscObjectDestroy(PetscObject*); 1343 PETSC_EXTERN PetscErrorCode PetscObjectGetComm(PetscObject,MPI_Comm *); 1344 PETSC_EXTERN PetscErrorCode PetscObjectGetClassId(PetscObject,PetscClassId *); 1345 PETSC_EXTERN PetscErrorCode PetscObjectGetClassName(PetscObject,const char *[]); 1346 PETSC_EXTERN PetscErrorCode PetscObjectSetType(PetscObject,const char []); 1347 PETSC_EXTERN PetscErrorCode PetscObjectGetType(PetscObject,const char *[]); 1348 PETSC_EXTERN PetscErrorCode PetscObjectSetName(PetscObject,const char[]); 1349 PETSC_EXTERN PetscErrorCode PetscObjectGetName(PetscObject,const char*[]); 1350 PETSC_EXTERN PetscErrorCode PetscObjectSetTabLevel(PetscObject,PetscInt); 1351 PETSC_EXTERN PetscErrorCode PetscObjectGetTabLevel(PetscObject,PetscInt*); 1352 PETSC_EXTERN PetscErrorCode PetscObjectIncrementTabLevel(PetscObject,PetscObject,PetscInt); 1353 PETSC_EXTERN PetscErrorCode PetscObjectReference(PetscObject); 1354 PETSC_EXTERN PetscErrorCode PetscObjectGetReference(PetscObject,PetscInt*); 1355 PETSC_EXTERN PetscErrorCode PetscObjectDereference(PetscObject); 1356 PETSC_EXTERN PetscErrorCode PetscObjectGetNewTag(PetscObject,PetscMPIInt *); 1357 PETSC_EXTERN PetscErrorCode PetscObjectCompose(PetscObject,const char[],PetscObject); 1358 PETSC_EXTERN PetscErrorCode PetscObjectRemoveReference(PetscObject,const char[]); 1359 PETSC_EXTERN PetscErrorCode PetscObjectQuery(PetscObject,const char[],PetscObject *); 1360 PETSC_EXTERN PetscErrorCode PetscObjectComposeFunction_Private(PetscObject,const char[],void (*)(void)); 1361 #define PetscObjectComposeFunction(a,b,d) PetscObjectComposeFunction_Private(a,b,(PetscVoidFunction)(d)) 1362 PETSC_EXTERN PetscErrorCode PetscObjectSetFromOptions(PetscObject); 1363 PETSC_EXTERN PetscErrorCode PetscObjectSetUp(PetscObject); 1364 PETSC_EXTERN PetscErrorCode PetscObjectSetPrintedOptions(PetscObject); 1365 PETSC_EXTERN PetscErrorCode PetscObjectInheritPrintedOptions(PetscObject,PetscObject); 1366 PETSC_EXTERN PetscErrorCode PetscCommGetNewTag(MPI_Comm,PetscMPIInt *); 1367 1368 #include <petscviewertypes.h> 1369 #include <petscoptions.h> 1370 1371 PETSC_EXTERN PetscErrorCode PetscObjectsListGetGlobalNumbering(MPI_Comm,PetscInt,PetscObject*,PetscInt*,PetscInt*); 1372 1373 PETSC_EXTERN PetscErrorCode PetscMemoryShowUsage(PetscViewer,const char[]); 1374 PETSC_EXTERN PetscErrorCode PetscMemoryView(PetscViewer,const char[]); 1375 PETSC_EXTERN PetscErrorCode PetscObjectPrintClassNamePrefixType(PetscObject,PetscViewer); 1376 PETSC_EXTERN PetscErrorCode PetscObjectView(PetscObject,PetscViewer); 1377 #define PetscObjectQueryFunction(obj,name,fptr) PetscObjectQueryFunction_Private((obj),(name),(PetscVoidFunction*)(fptr)) 1378 PETSC_EXTERN PetscErrorCode PetscObjectQueryFunction_Private(PetscObject,const char[],void (**)(void)); 1379 PETSC_EXTERN PetscErrorCode PetscObjectSetOptionsPrefix(PetscObject,const char[]); 1380 PETSC_EXTERN PetscErrorCode PetscObjectAppendOptionsPrefix(PetscObject,const char[]); 1381 PETSC_EXTERN PetscErrorCode PetscObjectPrependOptionsPrefix(PetscObject,const char[]); 1382 PETSC_EXTERN PetscErrorCode PetscObjectGetOptionsPrefix(PetscObject,const char*[]); 1383 PETSC_EXTERN PetscErrorCode PetscObjectChangeTypeName(PetscObject,const char[]); 1384 PETSC_EXTERN PetscErrorCode PetscObjectRegisterDestroy(PetscObject); 1385 PETSC_EXTERN PetscErrorCode PetscObjectRegisterDestroyAll(void); 1386 PETSC_EXTERN PetscErrorCode PetscObjectViewFromOptions(PetscObject,PetscObject,const char[]); 1387 PETSC_EXTERN PetscErrorCode PetscObjectName(PetscObject); 1388 PETSC_EXTERN PetscErrorCode PetscObjectTypeCompare(PetscObject,const char[],PetscBool *); 1389 PETSC_EXTERN PetscErrorCode PetscObjectBaseTypeCompare(PetscObject,const char[],PetscBool *); 1390 PETSC_EXTERN PetscErrorCode PetscObjectTypeCompareAny(PetscObject,PetscBool*,const char[],...); 1391 PETSC_EXTERN PetscErrorCode PetscRegisterFinalize(PetscErrorCode (*)(void)); 1392 PETSC_EXTERN PetscErrorCode PetscRegisterFinalizeAll(void); 1393 1394 #if defined(PETSC_HAVE_SAWS) 1395 PETSC_EXTERN PetscErrorCode PetscSAWsBlock(void); 1396 PETSC_EXTERN PetscErrorCode PetscObjectSAWsViewOff(PetscObject); 1397 PETSC_EXTERN PetscErrorCode PetscObjectSAWsSetBlock(PetscObject,PetscBool); 1398 PETSC_EXTERN PetscErrorCode PetscObjectSAWsBlock(PetscObject); 1399 PETSC_EXTERN PetscErrorCode PetscObjectSAWsGrantAccess(PetscObject); 1400 PETSC_EXTERN PetscErrorCode PetscObjectSAWsTakeAccess(PetscObject); 1401 PETSC_EXTERN void PetscStackSAWsGrantAccess(void); 1402 PETSC_EXTERN void PetscStackSAWsTakeAccess(void); 1403 PETSC_EXTERN PetscErrorCode PetscStackViewSAWs(void); 1404 PETSC_EXTERN PetscErrorCode PetscStackSAWsViewOff(void); 1405 1406 #else 1407 #define PetscSAWsBlock() 0 1408 #define PetscObjectSAWsViewOff(obj) 0 1409 #define PetscObjectSAWsSetBlock(obj,flg) 0 1410 #define PetscObjectSAWsBlock(obj) 0 1411 #define PetscObjectSAWsGrantAccess(obj) 0 1412 #define PetscObjectSAWsTakeAccess(obj) 0 1413 #define PetscStackViewSAWs() 0 1414 #define PetscStackSAWsViewOff() 0 1415 #define PetscStackSAWsTakeAccess() 1416 #define PetscStackSAWsGrantAccess() 1417 1418 #endif 1419 1420 PETSC_EXTERN PetscErrorCode PetscDLOpen(const char[],PetscDLMode,PetscDLHandle *); 1421 PETSC_EXTERN PetscErrorCode PetscDLClose(PetscDLHandle *); 1422 PETSC_EXTERN PetscErrorCode PetscDLSym(PetscDLHandle,const char[],void **); 1423 1424 #if defined(PETSC_USE_DEBUG) 1425 PETSC_EXTERN PetscErrorCode PetscMallocGetStack(void*,PetscStack**); 1426 #endif 1427 PETSC_EXTERN PetscErrorCode PetscObjectsDump(FILE*,PetscBool); 1428 1429 PETSC_EXTERN PetscErrorCode PetscObjectListDestroy(PetscObjectList*); 1430 PETSC_EXTERN PetscErrorCode PetscObjectListFind(PetscObjectList,const char[],PetscObject*); 1431 PETSC_EXTERN PetscErrorCode PetscObjectListReverseFind(PetscObjectList,PetscObject,char**,PetscBool*); 1432 PETSC_EXTERN PetscErrorCode PetscObjectListAdd(PetscObjectList *,const char[],PetscObject); 1433 PETSC_EXTERN PetscErrorCode PetscObjectListRemoveReference(PetscObjectList *,const char[]); 1434 PETSC_EXTERN PetscErrorCode PetscObjectListDuplicate(PetscObjectList,PetscObjectList *); 1435 1436 /* 1437 Dynamic library lists. Lists of names of routines in objects or in dynamic 1438 link libraries that will be loaded as needed. 1439 */ 1440 1441 #define PetscFunctionListAdd(list,name,fptr) PetscFunctionListAdd_Private((list),(name),(PetscVoidFunction)(fptr)) 1442 PETSC_EXTERN PetscErrorCode PetscFunctionListAdd_Private(PetscFunctionList*,const char[],void (*)(void)); 1443 PETSC_EXTERN PetscErrorCode PetscFunctionListDestroy(PetscFunctionList*); 1444 #define PetscFunctionListFind(list,name,fptr) PetscFunctionListFind_Private((list),(name),(PetscVoidFunction*)(fptr)) 1445 PETSC_EXTERN PetscErrorCode PetscFunctionListFind_Private(PetscFunctionList,const char[],void (**)(void)); 1446 PETSC_EXTERN PetscErrorCode PetscFunctionListPrintTypes(MPI_Comm,FILE*,const char[],const char[],const char[],const char[],PetscFunctionList,const char[]); 1447 PETSC_EXTERN PetscErrorCode PetscFunctionListDuplicate(PetscFunctionList,PetscFunctionList *); 1448 PETSC_EXTERN PetscErrorCode PetscFunctionListView(PetscFunctionList,PetscViewer); 1449 PETSC_EXTERN PetscErrorCode PetscFunctionListGet(PetscFunctionList,const char ***,int*); 1450 1451 PETSC_EXTERN PetscDLLibrary PetscDLLibrariesLoaded; 1452 PETSC_EXTERN PetscErrorCode PetscDLLibraryAppend(MPI_Comm,PetscDLLibrary *,const char[]); 1453 PETSC_EXTERN PetscErrorCode PetscDLLibraryPrepend(MPI_Comm,PetscDLLibrary *,const char[]); 1454 PETSC_EXTERN PetscErrorCode PetscDLLibrarySym(MPI_Comm,PetscDLLibrary *,const char[],const char[],void **); 1455 PETSC_EXTERN PetscErrorCode PetscDLLibraryPrintPath(PetscDLLibrary); 1456 PETSC_EXTERN PetscErrorCode PetscDLLibraryRetrieve(MPI_Comm,const char[],char *,size_t,PetscBool *); 1457 PETSC_EXTERN PetscErrorCode PetscDLLibraryOpen(MPI_Comm,const char[],PetscDLLibrary *); 1458 PETSC_EXTERN PetscErrorCode PetscDLLibraryClose(PetscDLLibrary); 1459 1460 /* 1461 Useful utility routines 1462 */ 1463 PETSC_EXTERN PetscErrorCode PetscSplitOwnership(MPI_Comm,PetscInt*,PetscInt*); 1464 PETSC_EXTERN PetscErrorCode PetscSplitOwnershipBlock(MPI_Comm,PetscInt,PetscInt*,PetscInt*); 1465 PETSC_EXTERN PetscErrorCode PetscSequentialPhaseBegin(MPI_Comm,PetscMPIInt); 1466 PETSC_EXTERN PetscErrorCode PetscSequentialPhaseEnd(MPI_Comm,PetscMPIInt); 1467 PETSC_EXTERN PetscErrorCode PetscBarrier(PetscObject); 1468 PETSC_EXTERN PetscErrorCode PetscMPIDump(FILE*); 1469 PETSC_EXTERN PetscErrorCode PetscGlobalMinMaxInt(MPI_Comm,PetscInt[],PetscInt[]); 1470 PETSC_EXTERN PetscErrorCode PetscGlobalMinMaxReal(MPI_Comm,PetscReal[],PetscReal[]); 1471 1472 /*MC 1473 PetscNot - negates a logical type value and returns result as a PetscBool 1474 1475 Notes: 1476 This is useful in cases like 1477 $ int *a; 1478 $ PetscBool flag = PetscNot(a) 1479 where !a would not return a PetscBool because we cannot provide a cast from int to PetscBool in C. 1480 1481 Level: beginner 1482 1483 .seealso : PetscBool, PETSC_TRUE, PETSC_FALSE 1484 M*/ 1485 #define PetscNot(a) ((a) ? PETSC_FALSE : PETSC_TRUE) 1486 1487 /*MC 1488 PetscHelpPrintf - Prints help messages. 1489 1490 Synopsis: 1491 #include <petscsys.h> 1492 PetscErrorCode (*PetscHelpPrintf)(const char format[],...); 1493 1494 Not Collective 1495 1496 Input Parameters: 1497 . format - the usual printf() format string 1498 1499 Level: developer 1500 1501 Fortran Note: 1502 This routine is not supported in Fortran. 1503 1504 Concepts: help messages^printing 1505 Concepts: printing^help messages 1506 1507 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscErrorPrintf() 1508 M*/ 1509 PETSC_EXTERN PetscErrorCode (*PetscHelpPrintf)(MPI_Comm,const char[],...); 1510 1511 /* 1512 Defines PETSc profiling. 1513 */ 1514 #include <petsclog.h> 1515 1516 /* 1517 Simple PETSc parallel IO for ASCII printing 1518 */ 1519 PETSC_EXTERN PetscErrorCode PetscFixFilename(const char[],char[]); 1520 PETSC_EXTERN PetscErrorCode PetscFOpen(MPI_Comm,const char[],const char[],FILE**); 1521 PETSC_EXTERN PetscErrorCode PetscFClose(MPI_Comm,FILE*); 1522 PETSC_EXTERN PetscErrorCode PetscFPrintf(MPI_Comm,FILE*,const char[],...); 1523 PETSC_EXTERN PetscErrorCode PetscPrintf(MPI_Comm,const char[],...); 1524 PETSC_EXTERN PetscErrorCode PetscSNPrintf(char*,size_t,const char [],...); 1525 PETSC_EXTERN PetscErrorCode PetscSNPrintfCount(char*,size_t,const char [],size_t*,...); 1526 PETSC_EXTERN PetscErrorCode PetscFormatRealArray(char[],size_t,const char*,PetscInt,const PetscReal[]); 1527 1528 PETSC_EXTERN PetscErrorCode PetscErrorPrintfDefault(const char [],...); 1529 PETSC_EXTERN PetscErrorCode PetscErrorPrintfNone(const char [],...); 1530 PETSC_EXTERN PetscErrorCode PetscHelpPrintfDefault(MPI_Comm,const char [],...); 1531 1532 PETSC_EXTERN PetscErrorCode PetscFormatConvertGetSize(const char*,size_t*); 1533 PETSC_EXTERN PetscErrorCode PetscFormatConvert(const char*,char *); 1534 1535 #if defined(PETSC_HAVE_POPEN) 1536 PETSC_EXTERN PetscErrorCode PetscPOpen(MPI_Comm,const char[],const char[],const char[],FILE **); 1537 PETSC_EXTERN PetscErrorCode PetscPClose(MPI_Comm,FILE*); 1538 PETSC_EXTERN PetscErrorCode PetscPOpenSetMachine(const char[]); 1539 #endif 1540 1541 PETSC_EXTERN PetscErrorCode PetscSynchronizedPrintf(MPI_Comm,const char[],...); 1542 PETSC_EXTERN PetscErrorCode PetscSynchronizedFPrintf(MPI_Comm,FILE*,const char[],...); 1543 PETSC_EXTERN PetscErrorCode PetscSynchronizedFlush(MPI_Comm,FILE*); 1544 PETSC_EXTERN PetscErrorCode PetscSynchronizedFGets(MPI_Comm,FILE*,size_t,char[]); 1545 PETSC_EXTERN PetscErrorCode PetscStartMatlab(MPI_Comm,const char[],const char[],FILE**); 1546 PETSC_EXTERN PetscErrorCode PetscStartJava(MPI_Comm,const char[],const char[],FILE**); 1547 PETSC_EXTERN PetscErrorCode PetscGetPetscDir(const char*[]); 1548 1549 PETSC_EXTERN PetscClassId PETSC_CONTAINER_CLASSID; 1550 PETSC_EXTERN PetscErrorCode PetscContainerGetPointer(PetscContainer,void **); 1551 PETSC_EXTERN PetscErrorCode PetscContainerSetPointer(PetscContainer,void *); 1552 PETSC_EXTERN PetscErrorCode PetscContainerDestroy(PetscContainer*); 1553 PETSC_EXTERN PetscErrorCode PetscContainerCreate(MPI_Comm,PetscContainer *); 1554 PETSC_EXTERN PetscErrorCode PetscContainerSetUserDestroy(PetscContainer, PetscErrorCode (*)(void*)); 1555 PETSC_EXTERN PetscErrorCode PetscContainerUserDestroyDefault(void*); 1556 1557 /* 1558 For use in debuggers 1559 */ 1560 PETSC_EXTERN PetscMPIInt PetscGlobalRank; 1561 PETSC_EXTERN PetscMPIInt PetscGlobalSize; 1562 PETSC_EXTERN PetscErrorCode PetscIntView(PetscInt,const PetscInt[],PetscViewer); 1563 PETSC_EXTERN PetscErrorCode PetscRealView(PetscInt,const PetscReal[],PetscViewer); 1564 PETSC_EXTERN PetscErrorCode PetscScalarView(PetscInt,const PetscScalar[],PetscViewer); 1565 1566 #include <stddef.h> 1567 #include <string.h> /* for memcpy, memset */ 1568 #if defined(PETSC_HAVE_STDLIB_H) 1569 #include <stdlib.h> 1570 #endif 1571 1572 #if defined(PETSC_HAVE_XMMINTRIN_H) && !defined(__CUDACC__) 1573 #include <xmmintrin.h> 1574 #endif 1575 1576 /*@C 1577 PetscMemcpy - Copies n bytes, beginning at location b, to the space 1578 beginning at location a. The two memory regions CANNOT overlap, use 1579 PetscMemmove() in that case. 1580 1581 Not Collective 1582 1583 Input Parameters: 1584 + b - pointer to initial memory space 1585 - n - length (in bytes) of space to copy 1586 1587 Output Parameter: 1588 . a - pointer to copy space 1589 1590 Level: intermediate 1591 1592 Compile Option: 1593 PETSC_PREFER_DCOPY_FOR_MEMCPY will cause the BLAS dcopy() routine to be used 1594 for memory copies on double precision values. 1595 PETSC_PREFER_COPY_FOR_MEMCPY will cause C code to be used 1596 for memory copies on double precision values. 1597 PETSC_PREFER_FORTRAN_FORMEMCPY will cause Fortran code to be used 1598 for memory copies on double precision values. 1599 1600 Note: 1601 This routine is analogous to memcpy(). 1602 1603 Not available from Fortran 1604 1605 Developer Note: this is inlined for fastest performance 1606 1607 Concepts: memory^copying 1608 Concepts: copying^memory 1609 1610 .seealso: PetscMemmove(), PetscStrallocpy() 1611 1612 @*/ 1613 PETSC_STATIC_INLINE PetscErrorCode PetscMemcpy(void *a,const void *b,size_t n) 1614 { 1615 #if defined(PETSC_USE_DEBUG) 1616 size_t al = (size_t) a,bl = (size_t) b; 1617 size_t nl = (size_t) n; 1618 PetscFunctionBegin; 1619 if (n > 0 && !b) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy from a null pointer"); 1620 if (n > 0 && !a) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy to a null pointer"); 1621 #else 1622 PetscFunctionBegin; 1623 #endif 1624 if (a != b && n > 0) { 1625 #if defined(PETSC_USE_DEBUG) 1626 if ((al > bl && (al - bl) < nl) || (bl - al) < nl) SETERRQ3(PETSC_COMM_SELF,PETSC_ERR_ARG_INCOMP,"Memory regions overlap: either use PetscMemmov()\n\ 1627 or make sure your copy regions and lengths are correct. \n\ 1628 Length (bytes) %ld first address %ld second address %ld",nl,al,bl); 1629 #endif 1630 #if (defined(PETSC_PREFER_DCOPY_FOR_MEMCPY) || defined(PETSC_PREFER_COPY_FOR_MEMCPY) || defined(PETSC_PREFER_FORTRAN_FORMEMCPY)) 1631 if (!(a % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1632 size_t len = n/sizeof(PetscScalar); 1633 #if defined(PETSC_PREFER_DCOPY_FOR_MEMCPY) 1634 PetscBLASInt one = 1,blen; 1635 PetscErrorCode ierr; 1636 ierr = PetscBLASIntCast(len,&blen);CHKERRQ(ierr); 1637 PetscStackCallBLAS("BLAScopy",BLAScopy_(&blen,(PetscScalar *)b,&one,(PetscScalar *)a,&one)); 1638 #elif defined(PETSC_PREFER_FORTRAN_FORMEMCPY) 1639 fortrancopy_(&len,(PetscScalar*)b,(PetscScalar*)a); 1640 #else 1641 size_t i; 1642 PetscScalar *x = (PetscScalar*)b, *y = (PetscScalar*)a; 1643 for (i=0; i<len; i++) y[i] = x[i]; 1644 #endif 1645 } else { 1646 memcpy((char*)(a),(char*)(b),n); 1647 } 1648 #else 1649 memcpy((char*)(a),(char*)(b),n); 1650 #endif 1651 } 1652 PetscFunctionReturn(0); 1653 } 1654 1655 /*@C 1656 PetscMemzero - Zeros the specified memory. 1657 1658 Not Collective 1659 1660 Input Parameters: 1661 + a - pointer to beginning memory location 1662 - n - length (in bytes) of memory to initialize 1663 1664 Level: intermediate 1665 1666 Compile Option: 1667 PETSC_PREFER_BZERO - on certain machines (the IBM RS6000) the bzero() routine happens 1668 to be faster than the memset() routine. This flag causes the bzero() routine to be used. 1669 1670 Not available from Fortran 1671 1672 Developer Note: this is inlined for fastest performance 1673 1674 Concepts: memory^zeroing 1675 Concepts: zeroing^memory 1676 1677 .seealso: PetscMemcpy() 1678 @*/ 1679 PETSC_STATIC_INLINE PetscErrorCode PetscMemzero(void *a,size_t n) 1680 { 1681 if (n > 0) { 1682 #if defined(PETSC_USE_DEBUG) 1683 if (!a) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to zero at a null pointer"); 1684 #endif 1685 #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO) 1686 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1687 size_t i,len = n/sizeof(PetscScalar); 1688 PetscScalar *x = (PetscScalar*)a; 1689 for (i=0; i<len; i++) x[i] = 0.0; 1690 } else { 1691 #elif defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO) 1692 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1693 PetscInt len = n/sizeof(PetscScalar); 1694 fortranzero_(&len,(PetscScalar*)a); 1695 } else { 1696 #endif 1697 #if defined(PETSC_PREFER_BZERO) 1698 bzero((char *)a,n); 1699 #else 1700 memset((char*)a,0,n); 1701 #endif 1702 #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO) || defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO) 1703 } 1704 #endif 1705 } 1706 return 0; 1707 } 1708 1709 /*MC 1710 PetscPrefetchBlock - Prefetches a block of memory 1711 1712 Synopsis: 1713 #include <petscsys.h> 1714 void PetscPrefetchBlock(const anytype *a,size_t n,int rw,int t) 1715 1716 Not Collective 1717 1718 Input Parameters: 1719 + a - pointer to first element to fetch (any type but usually PetscInt or PetscScalar) 1720 . n - number of elements to fetch 1721 . rw - 1 if the memory will be written to, otherwise 0 (ignored by many processors) 1722 - t - temporal locality (PETSC_PREFETCH_HINT_{NTA,T0,T1,T2}), see note 1723 1724 Level: developer 1725 1726 Notes: 1727 The last two arguments (rw and t) must be compile-time constants. 1728 1729 Adopting Intel's x86/x86-64 conventions, there are four levels of temporal locality. Not all architectures offer 1730 equivalent locality hints, but the following macros are always defined to their closest analogue. 1731 + PETSC_PREFETCH_HINT_NTA - Non-temporal. Prefetches directly to L1, evicts to memory (skips higher level cache unless it was already there when prefetched). 1732 . PETSC_PREFETCH_HINT_T0 - 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. 1733 . PETSC_PREFETCH_HINT_T1 - Fetch to level 2 and higher (not L1). 1734 - PETSC_PREFETCH_HINT_T2 - Fetch to high-level cache only. (On many systems, T0 and T1 are equivalent.) 1735 1736 This function does nothing on architectures that do not support prefetch and never errors (even if passed an invalid 1737 address). 1738 1739 Concepts: memory 1740 M*/ 1741 #define PetscPrefetchBlock(a,n,rw,t) do { \ 1742 const char *_p = (const char*)(a),*_end = (const char*)((a)+(n)); \ 1743 for ( ; _p < _end; _p += PETSC_LEVEL1_DCACHE_LINESIZE) PETSC_Prefetch(_p,(rw),(t)); \ 1744 } while (0) 1745 1746 /* 1747 Determine if some of the kernel computation routines use 1748 Fortran (rather than C) for the numerical calculations. On some machines 1749 and compilers (like complex numbers) the Fortran version of the routines 1750 is faster than the C/C++ versions. The flag --with-fortran-kernels 1751 should be used with ./configure to turn these on. 1752 */ 1753 #if defined(PETSC_USE_FORTRAN_KERNELS) 1754 1755 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTCRL) 1756 #define PETSC_USE_FORTRAN_KERNEL_MULTCRL 1757 #endif 1758 1759 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJPERM) 1760 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJPERM 1761 #endif 1762 1763 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJ) 1764 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJ 1765 #endif 1766 1767 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ) 1768 #define PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ 1769 #endif 1770 1771 #if !defined(PETSC_USE_FORTRAN_KERNEL_NORM) 1772 #define PETSC_USE_FORTRAN_KERNEL_NORM 1773 #endif 1774 1775 #if !defined(PETSC_USE_FORTRAN_KERNEL_MAXPY) 1776 #define PETSC_USE_FORTRAN_KERNEL_MAXPY 1777 #endif 1778 1779 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ) 1780 #define PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ 1781 #endif 1782 1783 #if !defined(PETSC_USE_FORTRAN_KERNEL_RELAXAIJ) 1784 #define PETSC_USE_FORTRAN_KERNEL_RELAXAIJ 1785 #endif 1786 1787 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ) 1788 #define PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ 1789 #endif 1790 1791 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ) 1792 #define PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ 1793 #endif 1794 1795 #if !defined(PETSC_USE_FORTRAN_KERNEL_MDOT) 1796 #define PETSC_USE_FORTRAN_KERNEL_MDOT 1797 #endif 1798 1799 #if !defined(PETSC_USE_FORTRAN_KERNEL_XTIMESY) 1800 #define PETSC_USE_FORTRAN_KERNEL_XTIMESY 1801 #endif 1802 1803 #if !defined(PETSC_USE_FORTRAN_KERNEL_AYPX) 1804 #define PETSC_USE_FORTRAN_KERNEL_AYPX 1805 #endif 1806 1807 #if !defined(PETSC_USE_FORTRAN_KERNEL_WAXPY) 1808 #define PETSC_USE_FORTRAN_KERNEL_WAXPY 1809 #endif 1810 1811 #endif 1812 1813 /* 1814 Macros for indicating code that should be compiled with a C interface, 1815 rather than a C++ interface. Any routines that are dynamically loaded 1816 (such as the PCCreate_XXX() routines) must be wrapped so that the name 1817 mangler does not change the functions symbol name. This just hides the 1818 ugly extern "C" {} wrappers. 1819 */ 1820 #if defined(__cplusplus) 1821 # define EXTERN_C_BEGIN extern "C" { 1822 # define EXTERN_C_END } 1823 #else 1824 # define EXTERN_C_BEGIN 1825 # define EXTERN_C_END 1826 #endif 1827 1828 /* --------------------------------------------------------------------*/ 1829 1830 /*MC 1831 MPI_Comm - the basic object used by MPI to determine which processes are involved in a 1832 communication 1833 1834 Level: beginner 1835 1836 Note: This manual page is a place-holder because MPICH does not have a manual page for MPI_Comm 1837 1838 .seealso: PETSC_COMM_WORLD, PETSC_COMM_SELF 1839 M*/ 1840 1841 #if defined(PETSC_HAVE_MPIIO) 1842 #if !defined(PETSC_WORDS_BIGENDIAN) 1843 PETSC_EXTERN PetscErrorCode MPIU_File_write_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 1844 PETSC_EXTERN PetscErrorCode MPIU_File_read_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 1845 #else 1846 #define MPIU_File_write_all(a,b,c,d,e) MPI_File_write_all(a,b,c,d,e) 1847 #define MPIU_File_read_all(a,b,c,d,e) MPI_File_read_all(a,b,c,d,e) 1848 #endif 1849 #endif 1850 1851 /* the following petsc_static_inline require petscerror.h */ 1852 1853 /* Limit MPI to 32-bits */ 1854 #define PETSC_MPI_INT_MAX 2147483647 1855 #define PETSC_MPI_INT_MIN -2147483647 1856 /* Limit BLAS to 32-bits */ 1857 #define PETSC_BLAS_INT_MAX 2147483647 1858 #define PETSC_BLAS_INT_MIN -2147483647 1859 1860 /*@C 1861 PetscBLASIntCast - casts a PetscInt (which may be 64 bits in size) to a PetscBLASInt (which may be 32 bits in size), generates an 1862 error if the PetscBLASInt is not large enough to hold the number. 1863 1864 Not Collective 1865 1866 Input Parameter: 1867 . a - the PetscInt value 1868 1869 Output Parameter: 1870 . b - the resulting PetscBLASInt value 1871 1872 Level: advanced 1873 1874 Not available from Fortran 1875 1876 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscMPIIntCast() 1877 @*/ 1878 PETSC_STATIC_INLINE PetscErrorCode PetscBLASIntCast(PetscInt a,PetscBLASInt *b) 1879 { 1880 PetscFunctionBegin; 1881 *b = (PetscBLASInt)(a); 1882 #if defined(PETSC_USE_64BIT_INDICES) && !defined(PETSC_HAVE_64BIT_BLAS_INDICES) 1883 if ((a) > PETSC_BLAS_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Array too long for BLAS/LAPACK"); 1884 #endif 1885 PetscFunctionReturn(0); 1886 } 1887 1888 /*@C 1889 PetscMPIIntCast - casts a PetscInt (which may be 64 bits in size) to a PetscMPIInt (which may be 32 bits in size), generates an 1890 error if the PetscMPIInt is not large enough to hold the number. 1891 1892 Not Collective 1893 1894 Input Parameter: 1895 . a - the PetscInt value 1896 1897 Output Parameter: 1898 . b - the resulting PetscMPIInt value 1899 1900 Level: advanced 1901 1902 Not available from Fortran 1903 1904 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast() 1905 @*/ 1906 PETSC_STATIC_INLINE PetscErrorCode PetscMPIIntCast(PetscInt a,PetscMPIInt *b) 1907 { 1908 PetscFunctionBegin; 1909 *b = (PetscMPIInt)(a); 1910 #if defined(PETSC_USE_64BIT_INDICES) 1911 if ((a) > PETSC_MPI_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Array too long for MPI"); 1912 #endif 1913 PetscFunctionReturn(0); 1914 } 1915 1916 #define PetscInt64Mult(a,b) ((PetscInt64)(a))*((PetscInt64)(b)) 1917 1918 /*@C 1919 1920 PetscRealIntMultTruncate - Computes the product of a positive PetscReal and a positive PetscInt and truncates the value to slightly less than the maximal possible value 1921 1922 Not Collective 1923 1924 Input Parameter: 1925 + a - the PetscReal value 1926 - b - the second value 1927 1928 Returns: 1929 the result as a PetscInt value 1930 1931 Use PetscInt64Mult() to compute the product of two PetscInt as a PetscInt64 1932 Use PetscIntMultTruncate() to compute the product of two positive PetscInt and truncate to fit a PetscInt 1933 Use PetscIntMultError() to compute the product of two PetscInt if you wish to generate an error if the result will not fit in a PetscInt 1934 1935 Developers Note: 1936 We currently assume that PetscInt addition can never overflow, this is obviously wrong but requires many more checks. 1937 1938 This is used where we compute approximate sizes for workspace and need to insure the workspace is index-able. 1939 1940 Not available from Fortran 1941 1942 Level: advanced 1943 1944 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast(), PetscInt64Mult() 1945 @*/ 1946 PETSC_STATIC_INLINE PetscInt PetscRealIntMultTruncate(PetscReal a,PetscInt b) 1947 { 1948 PetscInt64 r; 1949 1950 r = (PetscInt64) (a*(PetscReal)b); 1951 if (r > PETSC_MAX_INT - 100) r = PETSC_MAX_INT - 100; 1952 return (PetscInt) r; 1953 } 1954 1955 /*@C 1956 1957 PetscIntMultTruncate - Computes the product of two positive PetscInt and truncates the value to slightly less than the maximal possible value 1958 1959 Not Collective 1960 1961 Input Parameter: 1962 + a - the PetscInt value 1963 - b - the second value 1964 1965 Returns: 1966 the result as a PetscInt value 1967 1968 Use PetscInt64Mult() to compute the product of two PetscInt as a PetscInt64 1969 Use PetscRealIntMultTruncate() to compute the product of a PetscReal and a PetscInt and truncate to fit a PetscInt 1970 Use PetscIntMultError() to compute the product of two PetscInt if you wish to generate an error if the result will not fit in a PetscInt 1971 1972 Not available from Fortran 1973 1974 Developers Note: We currently assume that PetscInt addition can never overflow, this is obviously wrong but requires many more checks. 1975 1976 This is used where we compute approximate sizes for workspace and need to insure the workspace is index-able. 1977 1978 Level: advanced 1979 1980 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast(), PetscInt64Mult() 1981 @*/ 1982 PETSC_STATIC_INLINE PetscInt PetscIntMultTruncate(PetscInt a,PetscInt b) 1983 { 1984 PetscInt64 r; 1985 1986 r = PetscInt64Mult(a,b); 1987 if (r > PETSC_MAX_INT - 100) r = PETSC_MAX_INT - 100; 1988 return (PetscInt) r; 1989 } 1990 1991 /*@C 1992 1993 PetscIntSumTruncate - Computes the sum of two positive PetscInt and truncates the value to slightly less than the maximal possible value 1994 1995 Not Collective 1996 1997 Input Parameter: 1998 + a - the PetscInt value 1999 - b - the second value 2000 2001 Returns: 2002 the result as a PetscInt value 2003 2004 Use PetscInt64Mult() to compute the product of two PetscInt as a PetscInt64 2005 Use PetscRealIntMultTruncate() to compute the product of a PetscReal and a PetscInt and truncate to fit a PetscInt 2006 Use PetscIntMultError() to compute the product of two PetscInt if you wish to generate an error if the result will not fit in a PetscInt 2007 2008 This is used where we compute approximate sizes for workspace and need to insure the workspace is index-able. 2009 2010 Not available from Fortran 2011 2012 Level: advanced 2013 2014 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast(), PetscInt64Mult() 2015 @*/ 2016 PETSC_STATIC_INLINE PetscInt PetscIntSumTruncate(PetscInt a,PetscInt b) 2017 { 2018 PetscInt64 r; 2019 2020 r = ((PetscInt64)a) + ((PetscInt64)b); 2021 if (r > PETSC_MAX_INT - 100) r = PETSC_MAX_INT - 100; 2022 return (PetscInt) r; 2023 } 2024 2025 /*@C 2026 2027 PetscIntMultError - Computes the product of two positive PetscInt and generates an error with overflow. 2028 2029 Not Collective 2030 2031 Input Parameter: 2032 + a - the PetscInt value 2033 - b - the second value 2034 2035 Output Parameter:ma 2036 . result - the result as a PetscInt value, or NULL if you do not want the result, you just want to check if it overflows 2037 2038 Use PetscInt64Mult() to compute the product of two 32 bit PetscInt and store in a PetscInt64 2039 Use PetscIntMultTruncate() to compute the product of two PetscInt and truncate it to fit in a PetscInt 2040 2041 Not available from Fortran 2042 2043 Developers Note: We currently assume that PetscInt addition does not overflow, this is obviously wrong but requires many more checks. 2044 2045 Level: advanced 2046 2047 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast(), PetscIntMult64(), PetscIntSumError() 2048 @*/ 2049 PETSC_STATIC_INLINE PetscErrorCode PetscIntMultError(PetscInt a,PetscInt b,PetscInt *result) 2050 { 2051 PetscInt64 r; 2052 2053 PetscFunctionBegin; 2054 r = PetscInt64Mult(a,b); 2055 #if !defined(PETSC_USE_64BIT_INDICES) 2056 if (r > PETSC_MAX_INT) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Product of two integer %d %d overflow, you must ./configure PETSc with --with-64-bit-indices for the case you are running",a,b); 2057 #endif 2058 if (result) *result = (PetscInt) r; 2059 PetscFunctionReturn(0); 2060 } 2061 2062 /*@C 2063 2064 PetscIntSumError - Computes the sum of two positive PetscInt and generates an error with overflow. 2065 2066 Not Collective 2067 2068 Input Parameter: 2069 + a - the PetscInt value 2070 - b - the second value 2071 2072 Output Parameter:ma 2073 . c - the result as a PetscInt value, or NULL if you do not want the result, you just want to check if it overflows 2074 2075 Use PetscInt64Mult() to compute the product of two 32 bit PetscInt and store in a PetscInt64 2076 Use PetscIntMultTruncate() to compute the product of two PetscInt and truncate it to fit in a PetscInt 2077 2078 Not available from Fortran 2079 2080 Level: advanced 2081 2082 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast(), PetscInt64Mult() 2083 @*/ 2084 PETSC_STATIC_INLINE PetscErrorCode PetscIntSumError(PetscInt a,PetscInt b,PetscInt *result) 2085 { 2086 PetscInt64 r; 2087 2088 PetscFunctionBegin; 2089 r = ((PetscInt64)a) + ((PetscInt64)b); 2090 #if !defined(PETSC_USE_64BIT_INDICES) 2091 if (r > PETSC_MAX_INT) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Sum of two integer %d %d overflow, you must ./configure PETSc with --with-64-bit-indices for the case you are running",a,b); 2092 #endif 2093 if (result) *result = (PetscInt) r; 2094 PetscFunctionReturn(0); 2095 } 2096 2097 /* 2098 The IBM include files define hz, here we hide it so that it may be used as a regular user variable. 2099 */ 2100 #if defined(hz) 2101 # undef hz 2102 #endif 2103 2104 /* For arrays that contain filenames or paths */ 2105 2106 #if defined(PETSC_HAVE_LIMITS_H) 2107 # include <limits.h> 2108 #endif 2109 #if defined(PETSC_HAVE_SYS_PARAM_H) 2110 # include <sys/param.h> 2111 #endif 2112 #if defined(PETSC_HAVE_SYS_TYPES_H) 2113 # include <sys/types.h> 2114 #endif 2115 #if defined(MAXPATHLEN) 2116 # define PETSC_MAX_PATH_LEN MAXPATHLEN 2117 #elif defined(MAX_PATH) 2118 # define PETSC_MAX_PATH_LEN MAX_PATH 2119 #elif defined(_MAX_PATH) 2120 # define PETSC_MAX_PATH_LEN _MAX_PATH 2121 #else 2122 # define PETSC_MAX_PATH_LEN 4096 2123 #endif 2124 2125 /*MC 2126 2127 PETSC_VERSION - This manual page provides information about how PETSc documents and uses its version information. This information is available to both C/C++ 2128 and Fortran compilers when petscsys.h is included. 2129 2130 2131 The current PETSc version and the API for accessing it are defined in petscversion.h 2132 2133 The complete version number is given as the triple PETSC_VERSION_MAJOR.PETSC_VERSION_MINOR.PETSC_VERSION_SUBMINOR (in short hand x.y.z) 2134 2135 A change in the minor version number (y) indicates possible/likely changes in the PETSc API. Note this is different than with the semantic versioning convention 2136 where only a change in the major version number (x) indicates a change in the API. 2137 2138 A subminor greater than zero indicates a patch release. Version x.y.z maintains source and binary compatibility with version x.y.w for all z and w 2139 2140 Use the macros PETSC_VERSION_EQ(x,y,z), PETSC_VERSION_LT(x,y,z), PETSC_VERSION_LE(x,y,z), PETSC_VERSION_GT(x,y,z), 2141 PETSC_VERSION_GE(x,y,z) to determine if the current version is equal to, less than, less than or equal to, greater than or greater than or equal to a given 2142 version number (x.y.z). 2143 2144 PETSC_RELEASE_DATE is the date the x.y version was released (i.e. the version before any patch releases) 2145 2146 PETSC_VERSION_DATE is the date the x.y.z version was released 2147 2148 PETSC_VERSION_GIT is the last git commit to the repository given in the form vx.y.z-wwwww 2149 2150 PETSC_VERSION_DATE_GIT is the date of the last git commit to the repository 2151 2152 Level: intermediate 2153 2154 PETSC_VERSION_() and PETSC_VERSION_PATCH are deprecated and will eventually be removed. For several releases PETSC_VERSION_PATCH is always 0 2155 2156 M*/ 2157 2158 /*MC 2159 2160 UsingFortran - To use PETSc with Fortran you must use both PETSc include files and modules. At the beginning 2161 of every function and module definition you need something like 2162 2163 $ 2164 $#include "petsc/finclude/petscXXX.h" 2165 $ use petscXXX 2166 2167 You can declare PETSc variables using either of the following. 2168 2169 $ XXX variablename 2170 $ type(tXXX) variablename 2171 2172 For example, 2173 2174 $#include "petsc/finclude/petscvec.h" 2175 $ use petscvec 2176 $ 2177 $ Vec b 2178 $ type(tVec) x 2179 2180 Level: beginner 2181 2182 M*/ 2183 2184 PETSC_EXTERN PetscErrorCode PetscGetArchType(char[],size_t); 2185 PETSC_EXTERN PetscErrorCode PetscGetHostName(char[],size_t); 2186 PETSC_EXTERN PetscErrorCode PetscGetUserName(char[],size_t); 2187 PETSC_EXTERN PetscErrorCode PetscGetProgramName(char[],size_t); 2188 PETSC_EXTERN PetscErrorCode PetscSetProgramName(const char[]); 2189 PETSC_EXTERN PetscErrorCode PetscGetDate(char[],size_t); 2190 PETSC_EXTERN PetscErrorCode PetscGetVersion(char[], size_t); 2191 PETSC_EXTERN PetscErrorCode PetscGetVersionNumber(PetscInt*,PetscInt*,PetscInt*,PetscInt*); 2192 2193 PETSC_EXTERN PetscErrorCode PetscSortInt(PetscInt,PetscInt[]); 2194 PETSC_EXTERN PetscErrorCode PetscSortedRemoveDupsInt(PetscInt*,PetscInt[]); 2195 PETSC_EXTERN PetscErrorCode PetscSortRemoveDupsInt(PetscInt*,PetscInt[]); 2196 PETSC_EXTERN PetscErrorCode PetscFindInt(PetscInt, PetscInt, const PetscInt[], PetscInt*); 2197 PETSC_EXTERN PetscErrorCode PetscFindMPIInt(PetscMPIInt, PetscInt, const PetscMPIInt[], PetscInt*); 2198 PETSC_EXTERN PetscErrorCode PetscSortIntWithPermutation(PetscInt,const PetscInt[],PetscInt[]); 2199 PETSC_EXTERN PetscErrorCode PetscSortStrWithPermutation(PetscInt,const char*[],PetscInt[]); 2200 PETSC_EXTERN PetscErrorCode PetscSortIntWithArray(PetscInt,PetscInt[],PetscInt[]); 2201 PETSC_EXTERN PetscErrorCode PetscSortIntWithArrayPair(PetscInt,PetscInt[],PetscInt[],PetscInt[]); 2202 PETSC_EXTERN PetscErrorCode PetscSortMPIInt(PetscInt,PetscMPIInt[]); 2203 PETSC_EXTERN PetscErrorCode PetscSortRemoveDupsMPIInt(PetscInt*,PetscMPIInt[]); 2204 PETSC_EXTERN PetscErrorCode PetscSortMPIIntWithArray(PetscMPIInt,PetscMPIInt[],PetscMPIInt[]); 2205 PETSC_EXTERN PetscErrorCode PetscSortIntWithScalarArray(PetscInt,PetscInt[],PetscScalar[]); 2206 PETSC_EXTERN PetscErrorCode PetscSortIntWithDataArray(PetscInt,PetscInt[],void*,size_t,void*); 2207 PETSC_EXTERN PetscErrorCode PetscSortReal(PetscInt,PetscReal[]); 2208 PETSC_EXTERN PetscErrorCode PetscSortRealWithArrayInt(PetscInt,PetscReal[],PetscInt[]); 2209 PETSC_EXTERN PetscErrorCode PetscSortRealWithPermutation(PetscInt,const PetscReal[],PetscInt[]); 2210 PETSC_EXTERN PetscErrorCode PetscSortRemoveDupsReal(PetscInt*,PetscReal[]); 2211 PETSC_EXTERN PetscErrorCode PetscFindReal(PetscReal,PetscInt,const PetscReal[],PetscReal,PetscInt*); 2212 PETSC_EXTERN PetscErrorCode PetscSortSplit(PetscInt,PetscInt,PetscScalar[],PetscInt[]); 2213 PETSC_EXTERN PetscErrorCode PetscSortSplitReal(PetscInt,PetscInt,PetscReal[],PetscInt[]); 2214 PETSC_EXTERN PetscErrorCode PetscProcessTree(PetscInt,const PetscBool [],const PetscInt[],PetscInt*,PetscInt**,PetscInt**,PetscInt**,PetscInt**); 2215 PETSC_EXTERN PetscErrorCode PetscMergeIntArrayPair(PetscInt,const PetscInt[],const PetscInt[],PetscInt,const PetscInt[],const PetscInt[],PetscInt*,PetscInt**,PetscInt**); 2216 PETSC_EXTERN PetscErrorCode PetscMergeIntArray(PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscInt*,PetscInt**); 2217 PETSC_EXTERN PetscErrorCode PetscMergeMPIIntArray(PetscInt,const PetscMPIInt[],PetscInt,const PetscMPIInt[],PetscInt*,PetscMPIInt**); 2218 2219 PETSC_EXTERN PetscErrorCode PetscSetDisplay(void); 2220 PETSC_EXTERN PetscErrorCode PetscGetDisplay(char[],size_t); 2221 2222 /*J 2223 PetscRandomType - String with the name of a PETSc randomizer 2224 2225 Level: beginner 2226 2227 Notes: 2228 To use SPRNG or RANDOM123 you must have ./configure PETSc 2229 with the option --download-sprng or --download-random123 2230 2231 .seealso: PetscRandomSetType(), PetscRandom, PetscRandomCreate() 2232 J*/ 2233 typedef const char* PetscRandomType; 2234 #define PETSCRAND "rand" 2235 #define PETSCRAND48 "rand48" 2236 #define PETSCSPRNG "sprng" 2237 #define PETSCRANDER48 "rander48" 2238 #define PETSCRANDOM123 "random123" 2239 2240 /* Logging support */ 2241 PETSC_EXTERN PetscClassId PETSC_RANDOM_CLASSID; 2242 2243 PETSC_EXTERN PetscErrorCode PetscRandomInitializePackage(void); 2244 2245 /* Dynamic creation and loading functions */ 2246 PETSC_EXTERN PetscFunctionList PetscRandomList; 2247 2248 PETSC_EXTERN PetscErrorCode PetscRandomRegister(const char[],PetscErrorCode (*)(PetscRandom)); 2249 PETSC_EXTERN PetscErrorCode PetscRandomSetType(PetscRandom, PetscRandomType); 2250 PETSC_EXTERN PetscErrorCode PetscRandomSetFromOptions(PetscRandom); 2251 PETSC_EXTERN PetscErrorCode PetscRandomGetType(PetscRandom, PetscRandomType*); 2252 PETSC_STATIC_INLINE PetscErrorCode PetscRandomViewFromOptions(PetscRandom A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);} 2253 PETSC_EXTERN PetscErrorCode PetscRandomView(PetscRandom,PetscViewer); 2254 2255 PETSC_EXTERN PetscErrorCode PetscRandomCreate(MPI_Comm,PetscRandom*); 2256 PETSC_EXTERN PetscErrorCode PetscRandomGetValue(PetscRandom,PetscScalar*); 2257 PETSC_EXTERN PetscErrorCode PetscRandomGetValueReal(PetscRandom,PetscReal*); 2258 PETSC_EXTERN PetscErrorCode PetscRandomGetInterval(PetscRandom,PetscScalar*,PetscScalar*); 2259 PETSC_EXTERN PetscErrorCode PetscRandomSetInterval(PetscRandom,PetscScalar,PetscScalar); 2260 PETSC_EXTERN PetscErrorCode PetscRandomSetSeed(PetscRandom,unsigned long); 2261 PETSC_EXTERN PetscErrorCode PetscRandomGetSeed(PetscRandom,unsigned long *); 2262 PETSC_EXTERN PetscErrorCode PetscRandomSeed(PetscRandom); 2263 PETSC_EXTERN PetscErrorCode PetscRandomDestroy(PetscRandom*); 2264 2265 PETSC_EXTERN PetscErrorCode PetscGetFullPath(const char[],char[],size_t); 2266 PETSC_EXTERN PetscErrorCode PetscGetRelativePath(const char[],char[],size_t); 2267 PETSC_EXTERN PetscErrorCode PetscGetWorkingDirectory(char[],size_t); 2268 PETSC_EXTERN PetscErrorCode PetscGetRealPath(const char[],char[]); 2269 PETSC_EXTERN PetscErrorCode PetscGetHomeDirectory(char[],size_t); 2270 PETSC_EXTERN PetscErrorCode PetscTestFile(const char[],char,PetscBool *); 2271 PETSC_EXTERN PetscErrorCode PetscTestDirectory(const char[],char,PetscBool *); 2272 PETSC_EXTERN PetscErrorCode PetscMkdir(const char[]); 2273 PETSC_EXTERN PetscErrorCode PetscRMTree(const char[]); 2274 2275 PETSC_EXTERN PetscErrorCode PetscBinaryRead(int,void*,PetscInt,PetscDataType); 2276 PETSC_EXTERN PetscErrorCode PetscBinarySynchronizedRead(MPI_Comm,int,void*,PetscInt,PetscDataType); 2277 PETSC_EXTERN PetscErrorCode PetscBinarySynchronizedWrite(MPI_Comm,int,void*,PetscInt,PetscDataType,PetscBool ); 2278 PETSC_EXTERN PetscErrorCode PetscBinaryWrite(int,void*,PetscInt,PetscDataType,PetscBool ); 2279 PETSC_EXTERN PetscErrorCode PetscBinaryOpen(const char[],PetscFileMode,int *); 2280 PETSC_EXTERN PetscErrorCode PetscBinaryClose(int); 2281 PETSC_EXTERN PetscErrorCode PetscSharedTmp(MPI_Comm,PetscBool *); 2282 PETSC_EXTERN PetscErrorCode PetscSharedWorkingDirectory(MPI_Comm,PetscBool *); 2283 PETSC_EXTERN PetscErrorCode PetscGetTmp(MPI_Comm,char[],size_t); 2284 PETSC_EXTERN PetscErrorCode PetscFileRetrieve(MPI_Comm,const char[],char[],size_t,PetscBool *); 2285 PETSC_EXTERN PetscErrorCode PetscLs(MPI_Comm,const char[],char[],size_t,PetscBool *); 2286 #if defined(PETSC_USE_SOCKET_VIEWER) 2287 PETSC_EXTERN PetscErrorCode PetscOpenSocket(const char[],int,int*); 2288 #endif 2289 2290 PETSC_EXTERN PetscErrorCode PetscBinarySeek(int,off_t,PetscBinarySeekType,off_t*); 2291 PETSC_EXTERN PetscErrorCode PetscBinarySynchronizedSeek(MPI_Comm,int,off_t,PetscBinarySeekType,off_t*); 2292 PETSC_EXTERN PetscErrorCode PetscByteSwap(void *,PetscDataType,PetscInt); 2293 2294 PETSC_EXTERN PetscErrorCode PetscSetDebugTerminal(const char[]); 2295 PETSC_EXTERN PetscErrorCode PetscSetDebugger(const char[],PetscBool ); 2296 PETSC_EXTERN PetscErrorCode PetscSetDefaultDebugger(void); 2297 PETSC_EXTERN PetscErrorCode PetscSetDebuggerFromString(const char*); 2298 PETSC_EXTERN PetscErrorCode PetscAttachDebugger(void); 2299 PETSC_EXTERN PetscErrorCode PetscStopForDebugger(void); 2300 2301 PETSC_EXTERN PetscErrorCode PetscGatherNumberOfMessages(MPI_Comm,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt*); 2302 PETSC_EXTERN PetscErrorCode PetscGatherMessageLengths(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**); 2303 PETSC_EXTERN PetscErrorCode PetscGatherMessageLengths2(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**,PetscMPIInt**); 2304 PETSC_EXTERN PetscErrorCode PetscPostIrecvInt(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscInt***,MPI_Request**); 2305 PETSC_EXTERN PetscErrorCode PetscPostIrecvScalar(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscScalar***,MPI_Request**); 2306 PETSC_EXTERN PetscErrorCode PetscCommBuildTwoSided(MPI_Comm,PetscMPIInt,MPI_Datatype,PetscMPIInt,const PetscMPIInt*,const void*,PetscMPIInt*,PetscMPIInt**,void*) 2307 PetscAttrMPIPointerWithType(6,3); 2308 PETSC_EXTERN PetscErrorCode PetscCommBuildTwoSidedF(MPI_Comm,PetscMPIInt,MPI_Datatype,PetscMPIInt,const PetscMPIInt[],const void*,PetscMPIInt*,PetscMPIInt**,void*,PetscMPIInt, 2309 PetscErrorCode (*send)(MPI_Comm,const PetscMPIInt[],PetscMPIInt,PetscMPIInt,void*,MPI_Request[],void*), 2310 PetscErrorCode (*recv)(MPI_Comm,const PetscMPIInt[],PetscMPIInt,void*,MPI_Request[],void*),void *ctx) 2311 PetscAttrMPIPointerWithType(6,3); 2312 PETSC_EXTERN PetscErrorCode PetscCommBuildTwoSidedFReq(MPI_Comm,PetscMPIInt,MPI_Datatype,PetscMPIInt,const PetscMPIInt[],const void*,PetscMPIInt*,PetscMPIInt**,void*,PetscMPIInt, 2313 MPI_Request**,MPI_Request**, 2314 PetscErrorCode (*send)(MPI_Comm,const PetscMPIInt[],PetscMPIInt,PetscMPIInt,void*,MPI_Request[],void*), 2315 PetscErrorCode (*recv)(MPI_Comm,const PetscMPIInt[],PetscMPIInt,void*,MPI_Request[],void*),void *ctx) 2316 PetscAttrMPIPointerWithType(6,3); 2317 2318 PETSC_EXTERN const char *const PetscBuildTwoSidedTypes[]; 2319 PETSC_EXTERN PetscErrorCode PetscCommBuildTwoSidedSetType(MPI_Comm,PetscBuildTwoSidedType); 2320 PETSC_EXTERN PetscErrorCode PetscCommBuildTwoSidedGetType(MPI_Comm,PetscBuildTwoSidedType*); 2321 2322 PETSC_EXTERN PetscErrorCode PetscSSEIsEnabled(MPI_Comm,PetscBool*,PetscBool*); 2323 2324 PETSC_EXTERN MPI_Comm PetscObjectComm(PetscObject); 2325 2326 PETSC_EXTERN const char *const PetscSubcommTypes[]; 2327 2328 struct _n_PetscSubcomm { 2329 MPI_Comm parent; /* parent communicator */ 2330 MPI_Comm dupparent; /* duplicate parent communicator, under which the processors of this subcomm have contiguous rank */ 2331 MPI_Comm child; /* the sub-communicator */ 2332 PetscMPIInt n; /* num of subcommunicators under the parent communicator */ 2333 PetscMPIInt color; /* color of processors belong to this communicator */ 2334 PetscMPIInt *subsize; /* size of subcommunicator[color] */ 2335 PetscSubcommType type; 2336 char *subcommprefix; 2337 }; 2338 2339 PETSC_STATIC_INLINE MPI_Comm PetscSubcommParent(PetscSubcomm scomm) {return scomm->parent;} 2340 PETSC_STATIC_INLINE MPI_Comm PetscSubcommChild(PetscSubcomm scomm) {return scomm->child;} 2341 PETSC_STATIC_INLINE MPI_Comm PetscSubcommContiguousParent(PetscSubcomm scomm) {return scomm->dupparent;} 2342 PETSC_EXTERN PetscErrorCode PetscSubcommCreate(MPI_Comm,PetscSubcomm*); 2343 PETSC_EXTERN PetscErrorCode PetscSubcommDestroy(PetscSubcomm*); 2344 PETSC_EXTERN PetscErrorCode PetscSubcommSetNumber(PetscSubcomm,PetscInt); 2345 PETSC_EXTERN PetscErrorCode PetscSubcommSetType(PetscSubcomm,PetscSubcommType); 2346 PETSC_EXTERN PetscErrorCode PetscSubcommSetTypeGeneral(PetscSubcomm,PetscMPIInt,PetscMPIInt); 2347 PETSC_EXTERN PetscErrorCode PetscSubcommView(PetscSubcomm,PetscViewer); 2348 PETSC_EXTERN PetscErrorCode PetscSubcommSetFromOptions(PetscSubcomm); 2349 PETSC_EXTERN PetscErrorCode PetscSubcommSetOptionsPrefix(PetscSubcomm,const char[]); 2350 2351 PETSC_EXTERN PetscErrorCode PetscHeapCreate(PetscInt,PetscHeap*); 2352 PETSC_EXTERN PetscErrorCode PetscHeapAdd(PetscHeap,PetscInt,PetscInt); 2353 PETSC_EXTERN PetscErrorCode PetscHeapPop(PetscHeap,PetscInt*,PetscInt*); 2354 PETSC_EXTERN PetscErrorCode PetscHeapPeek(PetscHeap,PetscInt*,PetscInt*); 2355 PETSC_EXTERN PetscErrorCode PetscHeapStash(PetscHeap,PetscInt,PetscInt); 2356 PETSC_EXTERN PetscErrorCode PetscHeapUnstash(PetscHeap); 2357 PETSC_EXTERN PetscErrorCode PetscHeapDestroy(PetscHeap*); 2358 PETSC_EXTERN PetscErrorCode PetscHeapView(PetscHeap,PetscViewer); 2359 2360 PETSC_EXTERN PetscErrorCode PetscProcessPlacementView(PetscViewer); 2361 PETSC_EXTERN PetscErrorCode PetscShmCommGet(MPI_Comm,PetscShmComm*); 2362 PETSC_EXTERN PetscErrorCode PetscShmCommGlobalToLocal(PetscShmComm,PetscMPIInt,PetscMPIInt*); 2363 PETSC_EXTERN PetscErrorCode PetscShmCommLocalToGlobal(PetscShmComm,PetscMPIInt,PetscMPIInt*); 2364 PETSC_EXTERN PetscErrorCode PetscShmCommGetMpiShmComm(PetscShmComm,MPI_Comm*); 2365 2366 /* routines to better support OpenMP multithreading needs of some PETSc third party libraries */ 2367 PETSC_EXTERN PetscErrorCode PetscOmpCtrlCreate(MPI_Comm,PetscInt,PetscOmpCtrl*); 2368 PETSC_EXTERN PetscErrorCode PetscOmpCtrlGetOmpComms(PetscOmpCtrl,MPI_Comm*,MPI_Comm*,PetscBool*); 2369 PETSC_EXTERN PetscErrorCode PetscOmpCtrlDestroy(PetscOmpCtrl*); 2370 PETSC_EXTERN PetscErrorCode PetscOmpCtrlBarrier(PetscOmpCtrl); 2371 PETSC_EXTERN PetscErrorCode PetscOmpCtrlOmpRegionOnMasterBegin(PetscOmpCtrl); 2372 PETSC_EXTERN PetscErrorCode PetscOmpCtrlOmpRegionOnMasterEnd(PetscOmpCtrl); 2373 2374 PETSC_EXTERN PetscErrorCode PetscSegBufferCreate(size_t,size_t,PetscSegBuffer*); 2375 PETSC_EXTERN PetscErrorCode PetscSegBufferDestroy(PetscSegBuffer*); 2376 PETSC_EXTERN PetscErrorCode PetscSegBufferGet(PetscSegBuffer,size_t,void*); 2377 PETSC_EXTERN PetscErrorCode PetscSegBufferExtractAlloc(PetscSegBuffer,void*); 2378 PETSC_EXTERN PetscErrorCode PetscSegBufferExtractTo(PetscSegBuffer,void*); 2379 PETSC_EXTERN PetscErrorCode PetscSegBufferExtractInPlace(PetscSegBuffer,void*); 2380 PETSC_EXTERN PetscErrorCode PetscSegBufferGetSize(PetscSegBuffer,size_t*); 2381 PETSC_EXTERN PetscErrorCode PetscSegBufferUnuse(PetscSegBuffer,size_t); 2382 2383 2384 /* Type-safe wrapper to encourage use of PETSC_RESTRICT. Does not use PetscFunctionBegin because the error handling 2385 * prevents the compiler from completely erasing the stub. This is called in inner loops so it has to be as fast as 2386 * possible. */ 2387 PETSC_STATIC_INLINE PetscErrorCode PetscSegBufferGetInts(PetscSegBuffer seg,PetscInt count,PetscInt *PETSC_RESTRICT *slot) {return PetscSegBufferGet(seg,(size_t)count,(void**)slot);} 2388 2389 extern PetscOptionsHelpPrinted PetscOptionsHelpPrintedSingleton; 2390 PETSC_EXTERN PetscErrorCode PetscOptionsHelpPrintedDestroy(PetscOptionsHelpPrinted*); 2391 PETSC_EXTERN PetscErrorCode PetscOptionsHelpPrintedCreate(PetscOptionsHelpPrinted*); 2392 PETSC_EXTERN PetscErrorCode PetscOptionsHelpPrintedCheck(PetscOptionsHelpPrinted,const char*,const char*,PetscBool*); 2393 2394 #include <stdarg.h> 2395 PETSC_EXTERN PetscErrorCode PetscVSNPrintf(char*,size_t,const char[],size_t*,va_list); 2396 PETSC_EXTERN PetscErrorCode (*PetscVFPrintf)(FILE*,const char[],va_list); 2397 2398 PETSC_EXTERN PetscSegBuffer PetscCitationsList; 2399 2400 /*@C 2401 PetscCitationsRegister - Register a bibtex item to obtain credit for an implemented algorithm used in the code. 2402 2403 Not Collective - only what is registered on rank 0 of PETSC_COMM_WORLD will be printed 2404 2405 Input Parameters: 2406 + cite - the bibtex item, formated to displayed on multiple lines nicely 2407 - set - a boolean variable initially set to PETSC_FALSE; this is used to insure only a single registration of the citation 2408 2409 Level: intermediate 2410 2411 Not available from Fortran 2412 2413 Options Database: 2414 . -citations [filename] - print out the bibtex entries for the given computation 2415 @*/ 2416 PETSC_STATIC_INLINE PetscErrorCode PetscCitationsRegister(const char cit[],PetscBool *set) 2417 { 2418 size_t len; 2419 char *vstring; 2420 PetscErrorCode ierr; 2421 2422 PetscFunctionBegin; 2423 if (set && *set) PetscFunctionReturn(0); 2424 ierr = PetscStrlen(cit,&len);CHKERRQ(ierr); 2425 ierr = PetscSegBufferGet(PetscCitationsList,len,&vstring);CHKERRQ(ierr); 2426 ierr = PetscMemcpy(vstring,cit,len);CHKERRQ(ierr); 2427 if (set) *set = PETSC_TRUE; 2428 PetscFunctionReturn(0); 2429 } 2430 2431 PETSC_EXTERN PetscErrorCode PetscURLShorten(const char[],char[],size_t); 2432 PETSC_EXTERN PetscErrorCode PetscGoogleDriveAuthorize(MPI_Comm,char[],char[],size_t); 2433 PETSC_EXTERN PetscErrorCode PetscGoogleDriveRefresh(MPI_Comm,const char[],char[],size_t); 2434 PETSC_EXTERN PetscErrorCode PetscGoogleDriveUpload(MPI_Comm,const char[],const char []); 2435 2436 PETSC_EXTERN PetscErrorCode PetscBoxAuthorize(MPI_Comm,char[],char[],size_t); 2437 PETSC_EXTERN PetscErrorCode PetscBoxRefresh(MPI_Comm,const char[],char[],char[],size_t); 2438 2439 PETSC_EXTERN PetscErrorCode PetscGlobusGetTransfers(MPI_Comm,const char[],char[],size_t); 2440 2441 PETSC_EXTERN PetscErrorCode PetscTextBelt(MPI_Comm,const char[],const char[],PetscBool*); 2442 PETSC_EXTERN PetscErrorCode PetscTellMyCell(MPI_Comm,const char[],const char[],PetscBool*); 2443 2444 PETSC_EXTERN PetscErrorCode PetscPullJSONValue(const char[],const char[],char[],size_t,PetscBool*); 2445 PETSC_EXTERN PetscErrorCode PetscPushJSONValue(char[],const char[],const char[],size_t); 2446 2447 2448 #if defined(PETSC_USE_DEBUG) 2449 /* 2450 Verify that all processes in the communicator have called this from the same line of code 2451 */ 2452 PETSC_EXTERN PetscErrorCode PetscAllreduceBarrierCheck(MPI_Comm,PetscMPIInt,int,const char*,const char *); 2453 2454 /*MC 2455 MPIU_Allreduce - a PETSc replacement for MPI_Allreduce() that tries to determine if the call from all the MPI processes occur from the 2456 same place in the PETSc code. This helps to detect bugs where different MPI processes follow different code paths 2457 resulting in inconsistent and incorrect calls to MPI_Allreduce(). 2458 2459 Collective on MPI_Comm 2460 2461 Synopsis: 2462 #include <petscsys.h> 2463 PetscErrorCode MPIU_Allreduce(void *indata,void *outdata,PetscMPIInt count,MPI_Datatype datatype, MPI_Op op, MPI_Comm comm); 2464 2465 Input Parameters: 2466 + indata - pointer to the input data to be reduced 2467 . count - the number of MPI data items in indata and outdata 2468 . datatype - the MPI datatype, for example MPI_INT 2469 . op - the MPI operation, for example MPI_SUM 2470 - comm - the MPI communicator on which the operation occurs 2471 2472 Output Parameter: 2473 . outdata - the reduced values 2474 2475 Notes: 2476 In optimized mode this directly calls MPI_Allreduce() 2477 2478 Level: developer 2479 2480 .seealso: MPI_Allreduce() 2481 M*/ 2482 #define MPIU_Allreduce(a,b,c,d,e,fcomm) (PetscAllreduceBarrierCheck(fcomm,c,__LINE__,PETSC_FUNCTION_NAME,__FILE__) || MPI_Allreduce(a,b,c,d,e,fcomm)) 2483 #else 2484 #define MPIU_Allreduce(a,b,c,d,e,fcomm) MPI_Allreduce(a,b,c,d,e,fcomm) 2485 #endif 2486 2487 #if defined(PETSC_HAVE_MPI_WIN_CREATE_FEATURE) 2488 PETSC_EXTERN PetscErrorCode MPIU_Win_allocate_shared(MPI_Aint,PetscMPIInt,MPI_Info,MPI_Comm,void*,MPI_Win*); 2489 PETSC_EXTERN PetscErrorCode MPIU_Win_shared_query(MPI_Win,PetscMPIInt,MPI_Aint*,PetscMPIInt*,void*); 2490 #endif 2491 2492 /* 2493 Returned from PETSc functions that are called from MPI, such as related to attributes 2494 */ 2495 PETSC_EXTERN PetscMPIInt PETSC_MPI_ERROR_CLASS; 2496 PETSC_EXTERN PetscMPIInt PETSC_MPI_ERROR_CODE; 2497 2498 #endif 2499