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_HAVE_VIENNACL) || defined(PETSC_HAVE_CUDA) || defined(PETSC_HAVE_HIP) || defined(PETSC_HAVE_KOKKOS) 18 #define PETSC_HAVE_DEVICE 19 #endif 20 21 #if defined(PETSC_DESIRE_FEATURE_TEST_MACROS) 22 /* 23 Feature test macros must be included before headers defined by IEEE Std 1003.1-2001 24 We only turn these in PETSc source files that require them by setting PETSC_DESIRE_FEATURE_TEST_MACROS 25 */ 26 # if defined(PETSC__POSIX_C_SOURCE_200112L) && !defined(_POSIX_C_SOURCE) 27 # define _POSIX_C_SOURCE 200112L 28 # endif 29 # if defined(PETSC__BSD_SOURCE) && !defined(_BSD_SOURCE) 30 # define _BSD_SOURCE 31 # endif 32 # if defined(PETSC__DEFAULT_SOURCE) && !defined(_DEFAULT_SOURCE) 33 # define _DEFAULT_SOURCE 34 # endif 35 # if defined(PETSC__GNU_SOURCE) && !defined(_GNU_SOURCE) 36 # define _GNU_SOURCE 37 # endif 38 #endif 39 40 #include <petscsystypes.h> 41 42 /* ========================================================================== */ 43 /* 44 This facilitates using the C version of PETSc from C++ and the C++ version from C. 45 */ 46 #if defined(__cplusplus) 47 # define PETSC_FUNCTION_NAME PETSC_FUNCTION_NAME_CXX 48 #else 49 # define PETSC_FUNCTION_NAME PETSC_FUNCTION_NAME_C 50 #endif 51 52 /* ========================================================================== */ 53 /* 54 Since PETSc manages its own extern "C" handling users should never include PETSc include 55 files within extern "C". This will generate a compiler error if a user does put the include 56 file within an extern "C". 57 */ 58 #if defined(__cplusplus) 59 void assert_never_put_petsc_headers_inside_an_extern_c(int); void assert_never_put_petsc_headers_inside_an_extern_c(double); 60 #endif 61 62 #if defined(__cplusplus) 63 # define PETSC_RESTRICT PETSC_CXX_RESTRICT 64 #else 65 # define PETSC_RESTRICT PETSC_C_RESTRICT 66 #endif 67 68 #if defined(__cplusplus) 69 # define PETSC_INLINE PETSC_CXX_INLINE 70 #else 71 # define PETSC_INLINE PETSC_C_INLINE 72 #endif 73 74 #define PETSC_STATIC_INLINE static PETSC_INLINE 75 76 #if defined(_WIN32) && defined(PETSC_USE_SHARED_LIBRARIES) /* For Win32 shared libraries */ 77 # define PETSC_DLLEXPORT __declspec(dllexport) 78 # define PETSC_DLLIMPORT __declspec(dllimport) 79 # define PETSC_VISIBILITY_INTERNAL 80 #elif defined(PETSC_USE_VISIBILITY_CXX) && 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 #elif defined(PETSC_USE_VISIBILITY_C) && !defined(__cplusplus) 85 # define PETSC_DLLEXPORT __attribute__((visibility ("default"))) 86 # define PETSC_DLLIMPORT __attribute__((visibility ("default"))) 87 # define PETSC_VISIBILITY_INTERNAL __attribute__((visibility ("hidden"))) 88 #else 89 # define PETSC_DLLEXPORT 90 # define PETSC_DLLIMPORT 91 # define PETSC_VISIBILITY_INTERNAL 92 #endif 93 94 #if defined(petsc_EXPORTS) /* CMake defines this when building the shared library */ 95 # define PETSC_VISIBILITY_PUBLIC PETSC_DLLEXPORT 96 #else /* Win32 users need this to import symbols from petsc.dll */ 97 # define PETSC_VISIBILITY_PUBLIC PETSC_DLLIMPORT 98 #endif 99 100 /* 101 Functions tagged with PETSC_EXTERN in the header files are 102 always defined as extern "C" when compiled with C++ so they may be 103 used from C and are always visible in the shared libraries 104 */ 105 #if defined(__cplusplus) 106 # define PETSC_EXTERN extern "C" PETSC_VISIBILITY_PUBLIC 107 # define PETSC_EXTERN_TYPEDEF extern "C" 108 # define PETSC_INTERN extern "C" PETSC_VISIBILITY_INTERNAL 109 #else 110 # define PETSC_EXTERN extern PETSC_VISIBILITY_PUBLIC 111 # define PETSC_EXTERN_TYPEDEF 112 # define PETSC_INTERN extern PETSC_VISIBILITY_INTERNAL 113 #endif 114 115 #include <petscversion.h> 116 #define PETSC_AUTHOR_INFO " The PETSc Team\n petsc-maint@mcs.anl.gov\n https://www.mcs.anl.gov/petsc/\n" 117 118 /* ========================================================================== */ 119 120 /* 121 Defines the interface to MPI allowing the use of all MPI functions. 122 123 PETSc does not use the C++ binding of MPI at ALL. The following flag 124 makes sure the C++ bindings are not included. The C++ bindings REQUIRE 125 putting mpi.h before ANY C++ include files, we cannot control this 126 with all PETSc users. Users who want to use the MPI C++ bindings can include 127 mpicxx.h directly in their code 128 */ 129 #if !defined(MPICH_SKIP_MPICXX) 130 # define MPICH_SKIP_MPICXX 1 131 #endif 132 #if !defined(OMPI_SKIP_MPICXX) 133 # define OMPI_SKIP_MPICXX 1 134 #endif 135 #if defined(PETSC_HAVE_MPIUNI) 136 # include <petsc/mpiuni/mpi.h> 137 #else 138 # include <mpi.h> 139 #endif 140 141 /*MC 142 PetscDefined - determine whether a boolean macro is defined 143 144 Notes: 145 Typical usage is within normal code, 146 147 $ if (PetscDefined(USE_DEBUG)) { ... } 148 149 but can also be used in the preprocessor, 150 151 $ #if PetscDefined(USE_DEBUG) 152 $ ... 153 $ #else 154 155 Either way evaluates true if PETSC_USE_DEBUG is defined (merely defined or defined to 1) or undefined. This macro 156 should not be used if its argument may be defined to a non-empty value other than 1. 157 158 Developer Notes: 159 Getting something that works in C and CPP for an arg that may or may not be defined is tricky. Here, if we have 160 "#define PETSC_HAVE_BOOGER 1" we match on the placeholder define, insert the "0," for arg1 and generate the triplet 161 (0, 1, 0). Then the last step cherry picks the 2nd arg (a one). When PETSC_HAVE_BOOGER is not defined, we generate 162 a (... 1, 0) pair, and when the last step cherry picks the 2nd arg, we get a zero. 163 164 Our extra expansion via PetscDefined__take_second_expand() is needed with MSVC, which has a nonconforming 165 implementation of variadic macros. 166 167 Level: developer 168 M*/ 169 #if !defined(PETSC_SKIP_VARIADIC_MACROS) 170 # define PetscDefined_arg_1 shift, 171 # define PetscDefined_arg_ shift, 172 # define PetscDefined__take_second_expanded(ignored, val, ...) val 173 # define PetscDefined__take_second_expand(args) PetscDefined__take_second_expanded args 174 # define PetscDefined__take_second(...) PetscDefined__take_second_expand((__VA_ARGS__)) 175 # define PetscDefined___(arg1_or_junk) PetscDefined__take_second(arg1_or_junk 1, 0, at_) 176 # define PetscDefined__(value) PetscDefined___(PetscDefined_arg_ ## value) 177 # define PetscDefined_(d) PetscDefined__(d) 178 # define PetscDefined(d) PetscDefined_(PETSC_ ## d) 179 #endif 180 181 /* 182 Perform various sanity checks that the correct mpi.h is being included at compile time. 183 This usually happens because 184 * either an unexpected mpi.h is in the default compiler path (i.e. in /usr/include) or 185 * an extra include path -I/something (which contains the unexpected mpi.h) is being passed to the compiler 186 */ 187 #if defined(PETSC_HAVE_MPIUNI) 188 # if !defined(MPIUNI_H) 189 # error "PETSc was configured with --with-mpi=0 but now appears to be compiling using a different mpi.h" 190 # endif 191 #elif defined(PETSC_HAVE_I_MPI_NUMVERSION) 192 # if !defined(I_MPI_NUMVERSION) 193 # error "PETSc was configured with I_MPI but now appears to be compiling using a non-I_MPI mpi.h" 194 # elif I_MPI_NUMVERSION != PETSC_HAVE_I_MPI_NUMVERSION 195 # 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" 196 # endif 197 #elif defined(PETSC_HAVE_MVAPICH2_NUMVERSION) 198 # if !defined(MVAPICH2_NUMVERSION) 199 # error "PETSc was configured with MVAPICH2 but now appears to be compiling using a non-MVAPICH2 mpi.h" 200 # elif MVAPICH2_NUMVERSION != PETSC_HAVE_MVAPICH2_NUMVERSION 201 # error "PETSc was configured with one MVAPICH2 mpi.h version but now appears to be compiling using a different MVAPICH2 mpi.h version" 202 # endif 203 #elif defined(PETSC_HAVE_MPICH_NUMVERSION) 204 # if !defined(MPICH_NUMVERSION) || defined(MVAPICH2_NUMVERSION) || defined(I_MPI_NUMVERSION) 205 # error "PETSc was configured with MPICH but now appears to be compiling using a non-MPICH mpi.h" 206 # elif (MPICH_NUMVERSION/100000 != PETSC_HAVE_MPICH_NUMVERSION/100000) || (MPICH_NUMVERSION%100000/1000 < PETSC_HAVE_MPICH_NUMVERSION%100000/1000) 207 # error "PETSc was configured with one MPICH mpi.h version but now appears to be compiling using a different MPICH mpi.h version" 208 # endif 209 #elif defined(PETSC_HAVE_OMPI_MAJOR_VERSION) 210 # if !defined(OMPI_MAJOR_VERSION) 211 # error "PETSc was configured with OpenMPI but now appears to be compiling using a non-OpenMPI mpi.h" 212 # 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) 213 # error "PETSc was configured with one OpenMPI mpi.h version but now appears to be compiling using a different OpenMPI mpi.h version" 214 # endif 215 #elif defined(PETSC_HAVE_MSMPI_VERSION) 216 # if !defined(MSMPI_VER) 217 # error "PETSc was configured with MSMPI but now appears to be compiling using a non-MSMPI mpi.h" 218 # elif (MSMPI_VER != PETSC_HAVE_MSMPI_VERSION) 219 # error "PETSc was configured with one MSMPI mpi.h version but now appears to be compiling using a different MSMPI mpi.h version" 220 # endif 221 #elif defined(OMPI_MAJOR_VERSION) || defined(MPICH_NUMVERSION) || defined(MSMPI_VER) 222 # error "PETSc was configured with undetermined MPI - but now appears to be compiling using any of OpenMPI, MS-MPI or a MPICH variant" 223 #endif 224 225 /* 226 Need to put stdio.h AFTER mpi.h for MPICH2 with C++ compiler 227 see the top of mpicxx.h in the MPICH2 distribution. 228 */ 229 #include <stdio.h> 230 231 /* MSMPI on 32bit windows requires this yukky hack - that breaks MPI standard compliance */ 232 #if !defined(MPIAPI) 233 #define MPIAPI 234 #endif 235 236 /* 237 Support for Clang (>=3.2) matching type tag arguments with void* buffer types. 238 This allows the compiler to detect cases where the MPI datatype argument passed to a MPI routine 239 does not match the actual type of the argument being passed in 240 */ 241 #if defined(__has_attribute) && defined(works_with_const_which_is_not_true) 242 # if __has_attribute(argument_with_type_tag) && __has_attribute(pointer_with_type_tag) && __has_attribute(type_tag_for_datatype) 243 # define PetscAttrMPIPointerWithType(bufno,typeno) __attribute__((pointer_with_type_tag(MPI,bufno,typeno))) 244 # define PetscAttrMPITypeTag(type) __attribute__((type_tag_for_datatype(MPI,type))) 245 # define PetscAttrMPITypeTagLayoutCompatible(type) __attribute__((type_tag_for_datatype(MPI,type,layout_compatible))) 246 # endif 247 #endif 248 #if !defined(PetscAttrMPIPointerWithType) 249 # define PetscAttrMPIPointerWithType(bufno,typeno) 250 # define PetscAttrMPITypeTag(type) 251 # define PetscAttrMPITypeTagLayoutCompatible(type) 252 #endif 253 254 PETSC_EXTERN MPI_Datatype MPIU_ENUM PetscAttrMPITypeTag(PetscEnum); 255 PETSC_EXTERN MPI_Datatype MPIU_BOOL PetscAttrMPITypeTag(PetscBool); 256 257 /*MC 258 MPIU_INT - MPI datatype corresponding to PetscInt 259 260 Notes: 261 In MPI calls that require an MPI datatype that matches a PetscInt or array of PetscInt values, pass this value. 262 263 Level: beginner 264 265 .seealso: PetscReal, PetscScalar, PetscComplex, PetscInt, MPIU_REAL, MPIU_SCALAR, MPIU_COMPLEX 266 M*/ 267 268 #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 */ 269 # define MPIU_INT64 MPI_INT64_T 270 # define PetscInt64_FMT PRId64 271 #elif (PETSC_SIZEOF_LONG_LONG == 8) 272 # define MPIU_INT64 MPI_LONG_LONG_INT 273 # define PetscInt64_FMT "lld" 274 #elif defined(PETSC_HAVE___INT64) 275 # define MPIU_INT64 MPI_INT64_T 276 # define PetscInt64_FMT "ld" 277 #else 278 # error "cannot determine PetscInt64 type" 279 #endif 280 281 PETSC_EXTERN MPI_Datatype MPIU_FORTRANADDR; 282 283 #if defined(PETSC_USE_64BIT_INDICES) 284 # define MPIU_INT MPIU_INT64 285 # define PetscInt_FMT PetscInt64_FMT 286 #else 287 # define MPIU_INT MPI_INT 288 # define PetscInt_FMT "d" 289 #endif 290 291 /* 292 For the rare cases when one needs to send a size_t object with MPI 293 */ 294 PETSC_EXTERN MPI_Datatype MPIU_SIZE_T; 295 296 /* 297 You can use PETSC_STDOUT as a replacement of stdout. You can also change 298 the value of PETSC_STDOUT to redirect all standard output elsewhere 299 */ 300 PETSC_EXTERN FILE* PETSC_STDOUT; 301 302 /* 303 You can use PETSC_STDERR as a replacement of stderr. You can also change 304 the value of PETSC_STDERR to redirect all standard error elsewhere 305 */ 306 PETSC_EXTERN FILE* PETSC_STDERR; 307 308 /*MC 309 PetscUnlikely - hints the compiler that the given condition is usually FALSE 310 311 Synopsis: 312 #include <petscsys.h> 313 PetscBool PetscUnlikely(PetscBool cond) 314 315 Not Collective 316 317 Input Parameters: 318 . cond - condition or expression 319 320 Notes: 321 This returns the same truth value, it is only a hint to compilers that the resulting 322 branch is unlikely. 323 324 Level: advanced 325 326 .seealso: PetscUnlikelyDebug(), PetscLikely(), CHKERRQ 327 M*/ 328 329 /*MC 330 PetscLikely - hints the compiler that the given condition is usually TRUE 331 332 Synopsis: 333 #include <petscsys.h> 334 PetscBool PetscLikely(PetscBool cond) 335 336 Not Collective 337 338 Input Parameters: 339 . cond - condition or expression 340 341 Notes: 342 This returns the same truth value, it is only a hint to compilers that the resulting 343 branch is likely. 344 345 Level: advanced 346 347 .seealso: PetscUnlikely() 348 M*/ 349 #if defined(PETSC_HAVE_BUILTIN_EXPECT) 350 # define PetscUnlikely(cond) __builtin_expect(!!(cond),0) 351 # define PetscLikely(cond) __builtin_expect(!!(cond),1) 352 #else 353 # define PetscUnlikely(cond) (cond) 354 # define PetscLikely(cond) (cond) 355 #endif 356 357 /*MC 358 PetscUnlikelyDebug - hints the compiler that the given condition is usually FALSE, eliding the check in optimized mode 359 360 Synopsis: 361 #include <petscsys.h> 362 PetscBool PetscUnlikelyDebug(PetscBool cond) 363 364 Not Collective 365 366 Input Parameters: 367 . cond - condition or expression 368 369 Notes: 370 This returns the same truth value, it is only a hint to compilers that the resulting 371 branch is unlikely. When compiled in optimized mode, it always returns false. 372 373 Level: advanced 374 375 .seealso: PetscUnlikely(), CHKERRQ, SETERRQ 376 M*/ 377 #define PetscUnlikelyDebug(cond) (PetscDefined(USE_DEBUG) && PetscUnlikely(cond)) 378 379 /* PetscPragmaSIMD - from CeedPragmaSIMD */ 380 381 #if defined(__INTEL_COMPILER) && !defined(_WIN32) 382 # define PetscPragmaSIMD _Pragma("vector") 383 #elif defined(__GNUC__) && __GNUC__ >= 5 384 # define PetscPragmaSIMD _Pragma("GCC ivdep") 385 #elif defined(_OPENMP) && _OPENMP >= 201307 386 # define PetscPragmaSIMD _Pragma("omp simd") 387 #elif defined(PETSC_HAVE_CRAY_VECTOR) 388 # define PetscPragmaSIMD _Pragma("_CRI ivdep") 389 #else 390 # define PetscPragmaSIMD 391 #endif 392 393 /* 394 Declare extern C stuff after including external header files 395 */ 396 397 PETSC_EXTERN const char *const PetscBools[]; 398 399 /* 400 Defines elementary mathematics functions and constants. 401 */ 402 #include <petscmath.h> 403 404 PETSC_EXTERN const char *const PetscCopyModes[]; 405 406 /*MC 407 PETSC_IGNORE - same as NULL, means PETSc will ignore this argument 408 409 Level: beginner 410 411 Note: 412 Accepted by many PETSc functions to not set a parameter and instead use 413 some default 414 415 Fortran Notes: 416 This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, 417 PETSC_NULL_DOUBLE_PRECISION etc 418 419 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_DETERMINE 420 421 M*/ 422 #define PETSC_IGNORE NULL 423 424 /* This is deprecated */ 425 #define PETSC_NULL NULL 426 427 /*MC 428 PETSC_DECIDE - standard way of passing in integer or floating point parameter 429 where you wish PETSc to use the default. 430 431 Level: beginner 432 433 .seealso: PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE 434 435 M*/ 436 #define PETSC_DECIDE -1 437 438 /*MC 439 PETSC_DETERMINE - standard way of passing in integer or floating point parameter 440 where you wish PETSc to compute the required value. 441 442 Level: beginner 443 444 Developer Note: 445 I would like to use const PetscInt PETSC_DETERMINE = PETSC_DECIDE; but for 446 some reason this is not allowed by the standard even though PETSC_DECIDE is a constant value. 447 448 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, VecSetSizes() 449 450 M*/ 451 #define PETSC_DETERMINE PETSC_DECIDE 452 453 /*MC 454 PETSC_DEFAULT - standard way of passing in integer or floating point parameter 455 where you wish PETSc to use the default. 456 457 Level: beginner 458 459 Fortran Notes: 460 You need to use PETSC_DEFAULT_INTEGER or PETSC_DEFAULT_REAL. 461 462 .seealso: PETSC_DECIDE, PETSC_IGNORE, PETSC_DETERMINE 463 464 M*/ 465 #define PETSC_DEFAULT -2 466 467 /*MC 468 PETSC_COMM_WORLD - the equivalent of the MPI_COMM_WORLD communicator which represents 469 all the processes that PETSc knows about. 470 471 Level: beginner 472 473 Notes: 474 By default PETSC_COMM_WORLD and MPI_COMM_WORLD are identical unless you wish to 475 run PETSc on ONLY a subset of MPI_COMM_WORLD. In that case create your new (smaller) 476 communicator, call it, say comm, and set PETSC_COMM_WORLD = comm BEFORE calling 477 PetscInitialize(), but after MPI_Init() has been called. 478 479 The value of PETSC_COMM_WORLD should never be USED/accessed before PetscInitialize() 480 is called because it may not have a valid value yet. 481 482 .seealso: PETSC_COMM_SELF 483 484 M*/ 485 PETSC_EXTERN MPI_Comm PETSC_COMM_WORLD; 486 487 /*MC 488 PETSC_COMM_SELF - This is always MPI_COMM_SELF 489 490 Level: beginner 491 492 Notes: 493 Do not USE/access or set this variable before PetscInitialize() has been called. 494 495 .seealso: PETSC_COMM_WORLD 496 497 M*/ 498 #define PETSC_COMM_SELF MPI_COMM_SELF 499 500 /*MC 501 PETSC_MPI_THREAD_REQUIRED - the required threading support used if PETSc initializes 502 MPI with MPI_Init_thread. 503 504 Level: beginner 505 506 Notes: 507 By default PETSC_MPI_THREAD_REQUIRED equals MPI_THREAD_FUNNELED. 508 509 .seealso: PetscInitialize() 510 511 M*/ 512 PETSC_EXTERN PetscMPIInt PETSC_MPI_THREAD_REQUIRED; 513 514 PETSC_EXTERN PetscBool PetscBeganMPI; 515 PETSC_EXTERN PetscBool PetscErrorHandlingInitialized; 516 PETSC_EXTERN PetscBool PetscInitializeCalled; 517 PETSC_EXTERN PetscBool PetscFinalizeCalled; 518 PETSC_EXTERN PetscBool PetscViennaCLSynchronize; 519 520 PETSC_EXTERN PetscErrorCode PetscSetHelpVersionFunctions(PetscErrorCode (*)(MPI_Comm),PetscErrorCode (*)(MPI_Comm)); 521 PETSC_EXTERN PetscErrorCode PetscCommDuplicate(MPI_Comm,MPI_Comm*,int*); 522 PETSC_EXTERN PetscErrorCode PetscCommDestroy(MPI_Comm*); 523 524 #if defined(PETSC_HAVE_CUDA) 525 PETSC_EXTERN PetscBool PetscCUDASynchronize; 526 PETSC_EXTERN PetscErrorCode PetscCUDAInitialize(MPI_Comm,PetscInt); 527 PETSC_EXTERN PetscErrorCode PetscCUDAInitializeCheck(void); 528 #endif 529 530 #if defined(PETSC_HAVE_HIP) 531 PETSC_EXTERN PetscBool PetscHIPSynchronize; 532 PETSC_EXTERN PetscErrorCode PetscHIPInitialize(MPI_Comm,PetscInt); 533 PETSC_EXTERN PetscErrorCode PetscHIPInitializeCheck(void); 534 #endif 535 536 #if defined(PETSC_HAVE_ELEMENTAL) 537 PETSC_EXTERN PetscErrorCode PetscElementalInitializePackage(void); 538 PETSC_EXTERN PetscErrorCode PetscElementalInitialized(PetscBool*); 539 PETSC_EXTERN PetscErrorCode PetscElementalFinalizePackage(void); 540 #endif 541 542 /*MC 543 PetscMalloc - Allocates memory, One should use PetscNew(), PetscMalloc1() or PetscCalloc1() usually instead of this 544 545 Synopsis: 546 #include <petscsys.h> 547 PetscErrorCode PetscMalloc(size_t m,void **result) 548 549 Not Collective 550 551 Input Parameter: 552 . m - number of bytes to allocate 553 554 Output Parameter: 555 . result - memory allocated 556 557 Level: beginner 558 559 Notes: 560 Memory is always allocated at least double aligned 561 562 It is safe to allocate size 0 and pass the resulting pointer (which may or may not be NULL) to PetscFree(). 563 564 .seealso: PetscFree(), PetscNew() 565 566 M*/ 567 #define PetscMalloc(a,b) ((*PetscTrMalloc)((a),PETSC_FALSE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(void**)(b))) 568 569 /*MC 570 PetscRealloc - Rellocates memory 571 572 Synopsis: 573 #include <petscsys.h> 574 PetscErrorCode PetscRealloc(size_t m,void **result) 575 576 Not Collective 577 578 Input Parameters: 579 + m - number of bytes to allocate 580 - result - previous memory 581 582 Output Parameter: 583 . result - new memory allocated 584 585 Level: developer 586 587 Notes: 588 Memory is always allocated at least double aligned 589 590 .seealso: PetscMalloc(), PetscFree(), PetscNew() 591 592 M*/ 593 #define PetscRealloc(a,b) ((*PetscTrRealloc)((a),__LINE__,PETSC_FUNCTION_NAME,__FILE__,(void**)(b))) 594 595 /*MC 596 PetscAddrAlign - Rounds up an address to PETSC_MEMALIGN alignment 597 598 Synopsis: 599 #include <petscsys.h> 600 void *PetscAddrAlign(void *addr) 601 602 Not Collective 603 604 Input Parameters: 605 . addr - address to align (any pointer type) 606 607 Level: developer 608 609 .seealso: PetscMallocAlign() 610 611 M*/ 612 #define PetscAddrAlign(a) (void*)((((PETSC_UINTPTR_T)(a))+(PETSC_MEMALIGN-1)) & ~(PETSC_MEMALIGN-1)) 613 614 /*MC 615 PetscMalloc1 - Allocates an array of memory aligned to PETSC_MEMALIGN 616 617 Synopsis: 618 #include <petscsys.h> 619 PetscErrorCode PetscMalloc1(size_t m1,type **r1) 620 621 Not Collective 622 623 Input Parameter: 624 . m1 - number of elements to allocate (may be zero) 625 626 Output Parameter: 627 . r1 - memory allocated 628 629 Note: 630 This uses the sizeof() of the memory type requested to determine the total memory to be allocated, therefore you should not 631 multiply the number of elements requested by the sizeof() the type. For example use 632 $ PetscInt *id; 633 $ PetscMalloc1(10,&id); 634 not 635 $ PetscInt *id; 636 $ PetscMalloc1(10*sizeof(PetscInt),&id); 637 638 Does not zero the memory allocated, use PetscCalloc1() to obtain memory that has been zeroed. 639 640 Level: beginner 641 642 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscCalloc1(), PetscMalloc2() 643 644 M*/ 645 #define PetscMalloc1(m1,r1) PetscMallocA(1,PETSC_FALSE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1)) 646 647 /*MC 648 PetscCalloc1 - Allocates a cleared (zeroed) array of memory aligned to PETSC_MEMALIGN 649 650 Synopsis: 651 #include <petscsys.h> 652 PetscErrorCode PetscCalloc1(size_t m1,type **r1) 653 654 Not Collective 655 656 Input Parameter: 657 . m1 - number of elements to allocate in 1st chunk (may be zero) 658 659 Output Parameter: 660 . r1 - memory allocated 661 662 Notes: 663 See PetsMalloc1() for more details on usage. 664 665 Level: beginner 666 667 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc1(), PetscCalloc2() 668 669 M*/ 670 #define PetscCalloc1(m1,r1) PetscMallocA(1,PETSC_TRUE,__LINE__,PETSC_FUNCTION_NAME,__FILE__,(size_t)(m1)*sizeof(**(r1)),(r1)) 671 672 /*MC 673 PetscMalloc2 - Allocates 2 arrays of memory both aligned to PETSC_MEMALIGN 674 675 Synopsis: 676 #include <petscsys.h> 677 PetscErrorCode PetscMalloc2(size_t m1,type **r1,size_t m2,type **r2) 678 679 Not Collective 680 681 Input Parameter: 682 + m1 - number of elements to allocate in 1st chunk (may be zero) 683 - m2 - number of elements to allocate in 2nd chunk (may be zero) 684 685 Output Parameter: 686 + r1 - memory allocated in first chunk 687 - r2 - memory allocated in second chunk 688 689 Level: developer 690 691 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc1(), PetscCalloc2() 692 693 M*/ 694 #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)) 695 696 /*MC 697 PetscCalloc2 - Allocates 2 cleared (zeroed) arrays of memory both aligned to PETSC_MEMALIGN 698 699 Synopsis: 700 #include <petscsys.h> 701 PetscErrorCode PetscCalloc2(size_t m1,type **r1,size_t m2,type **r2) 702 703 Not Collective 704 705 Input Parameter: 706 + m1 - number of elements to allocate in 1st chunk (may be zero) 707 - m2 - number of elements to allocate in 2nd chunk (may be zero) 708 709 Output Parameter: 710 + r1 - memory allocated in first chunk 711 - r2 - memory allocated in second chunk 712 713 Level: developer 714 715 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscCalloc1(), PetscMalloc2() 716 717 M*/ 718 #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)) 719 720 /*MC 721 PetscMalloc3 - Allocates 3 arrays of memory, all aligned to PETSC_MEMALIGN 722 723 Synopsis: 724 #include <petscsys.h> 725 PetscErrorCode PetscMalloc3(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3) 726 727 Not Collective 728 729 Input Parameter: 730 + m1 - number of elements to allocate in 1st chunk (may be zero) 731 . m2 - number of elements to allocate in 2nd chunk (may be zero) 732 - m3 - number of elements to allocate in 3rd chunk (may be zero) 733 734 Output Parameter: 735 + r1 - memory allocated in first chunk 736 . r2 - memory allocated in second chunk 737 - r3 - memory allocated in third chunk 738 739 Level: developer 740 741 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc3(), PetscFree3() 742 743 M*/ 744 #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)) 745 746 /*MC 747 PetscCalloc3 - Allocates 3 cleared (zeroed) arrays of memory, all aligned to PETSC_MEMALIGN 748 749 Synopsis: 750 #include <petscsys.h> 751 PetscErrorCode PetscCalloc3(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3) 752 753 Not Collective 754 755 Input Parameter: 756 + m1 - number of elements to allocate in 1st chunk (may be zero) 757 . m2 - number of elements to allocate in 2nd chunk (may be zero) 758 - m3 - number of elements to allocate in 3rd chunk (may be zero) 759 760 Output Parameter: 761 + r1 - memory allocated in first chunk 762 . r2 - memory allocated in second chunk 763 - r3 - memory allocated in third chunk 764 765 Level: developer 766 767 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscCalloc2(), PetscMalloc3(), PetscFree3() 768 769 M*/ 770 #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)) 771 772 /*MC 773 PetscMalloc4 - Allocates 4 arrays of memory, all aligned to PETSC_MEMALIGN 774 775 Synopsis: 776 #include <petscsys.h> 777 PetscErrorCode PetscMalloc4(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3,size_t m4,type **r4) 778 779 Not Collective 780 781 Input Parameter: 782 + m1 - number of elements to allocate in 1st chunk (may be zero) 783 . m2 - number of elements to allocate in 2nd chunk (may be zero) 784 . m3 - number of elements to allocate in 3rd chunk (may be zero) 785 - m4 - number of elements to allocate in 4th chunk (may be zero) 786 787 Output Parameter: 788 + r1 - memory allocated in first chunk 789 . r2 - memory allocated in second chunk 790 . r3 - memory allocated in third chunk 791 - r4 - memory allocated in fourth chunk 792 793 Level: developer 794 795 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc4(), PetscFree4() 796 797 M*/ 798 #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)) 799 800 /*MC 801 PetscCalloc4 - Allocates 4 cleared (zeroed) arrays of memory, all aligned to PETSC_MEMALIGN 802 803 Synopsis: 804 #include <petscsys.h> 805 PetscErrorCode PetscCalloc4(size_t m1,type **r1,size_t m2,type **r2,size_t m3,type **r3,size_t m4,type **r4) 806 807 Not Collective 808 809 Input Parameters: 810 + m1 - number of elements to allocate in 1st chunk (may be zero) 811 . m2 - number of elements to allocate in 2nd chunk (may be zero) 812 . m3 - number of elements to allocate in 3rd chunk (may be zero) 813 - m4 - number of elements to allocate in 4th chunk (may be zero) 814 815 Output Parameters: 816 + r1 - memory allocated in first chunk 817 . r2 - memory allocated in second chunk 818 . r3 - memory allocated in third chunk 819 - r4 - memory allocated in fourth chunk 820 821 Level: developer 822 823 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc4(), PetscFree4() 824 825 M*/ 826 #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)) 827 828 /*MC 829 PetscMalloc5 - Allocates 5 arrays of memory, all aligned to PETSC_MEMALIGN 830 831 Synopsis: 832 #include <petscsys.h> 833 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) 834 835 Not Collective 836 837 Input Parameters: 838 + m1 - number of elements to allocate in 1st chunk (may be zero) 839 . m2 - number of elements to allocate in 2nd chunk (may be zero) 840 . m3 - number of elements to allocate in 3rd chunk (may be zero) 841 . m4 - number of elements to allocate in 4th chunk (may be zero) 842 - m5 - number of elements to allocate in 5th chunk (may be zero) 843 844 Output Parameters: 845 + r1 - memory allocated in first chunk 846 . r2 - memory allocated in second chunk 847 . r3 - memory allocated in third chunk 848 . r4 - memory allocated in fourth chunk 849 - r5 - memory allocated in fifth chunk 850 851 Level: developer 852 853 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc5(), PetscFree5() 854 855 M*/ 856 #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)) 857 858 /*MC 859 PetscCalloc5 - Allocates 5 cleared (zeroed) arrays of memory, all aligned to PETSC_MEMALIGN 860 861 Synopsis: 862 #include <petscsys.h> 863 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) 864 865 Not Collective 866 867 Input Parameters: 868 + m1 - number of elements to allocate in 1st chunk (may be zero) 869 . m2 - number of elements to allocate in 2nd chunk (may be zero) 870 . m3 - number of elements to allocate in 3rd chunk (may be zero) 871 . m4 - number of elements to allocate in 4th chunk (may be zero) 872 - m5 - number of elements to allocate in 5th chunk (may be zero) 873 874 Output Parameters: 875 + r1 - memory allocated in first chunk 876 . r2 - memory allocated in second chunk 877 . r3 - memory allocated in third chunk 878 . r4 - memory allocated in fourth chunk 879 - r5 - memory allocated in fifth chunk 880 881 Level: developer 882 883 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc5(), PetscFree5() 884 885 M*/ 886 #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)) 887 888 /*MC 889 PetscMalloc6 - Allocates 6 arrays of memory, all aligned to PETSC_MEMALIGN 890 891 Synopsis: 892 #include <petscsys.h> 893 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) 894 895 Not Collective 896 897 Input Parameters: 898 + m1 - number of elements to allocate in 1st chunk (may be zero) 899 . m2 - number of elements to allocate in 2nd chunk (may be zero) 900 . m3 - number of elements to allocate in 3rd chunk (may be zero) 901 . m4 - number of elements to allocate in 4th chunk (may be zero) 902 . m5 - number of elements to allocate in 5th chunk (may be zero) 903 - m6 - number of elements to allocate in 6th chunk (may be zero) 904 905 Output Parameteasr: 906 + r1 - memory allocated in first chunk 907 . r2 - memory allocated in second chunk 908 . r3 - memory allocated in third chunk 909 . r4 - memory allocated in fourth chunk 910 . r5 - memory allocated in fifth chunk 911 - r6 - memory allocated in sixth chunk 912 913 Level: developer 914 915 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc6(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6() 916 917 M*/ 918 #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)) 919 920 /*MC 921 PetscCalloc6 - Allocates 6 cleared (zeroed) arrays of memory, all aligned to PETSC_MEMALIGN 922 923 Synopsis: 924 #include <petscsys.h> 925 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) 926 927 Not Collective 928 929 Input Parameters: 930 + m1 - number of elements to allocate in 1st chunk (may be zero) 931 . m2 - number of elements to allocate in 2nd chunk (may be zero) 932 . m3 - number of elements to allocate in 3rd chunk (may be zero) 933 . m4 - number of elements to allocate in 4th chunk (may be zero) 934 . m5 - number of elements to allocate in 5th chunk (may be zero) 935 - m6 - number of elements to allocate in 6th chunk (may be zero) 936 937 Output Parameters: 938 + r1 - memory allocated in first chunk 939 . r2 - memory allocated in second chunk 940 . r3 - memory allocated in third chunk 941 . r4 - memory allocated in fourth chunk 942 . r5 - memory allocated in fifth chunk 943 - r6 - memory allocated in sixth chunk 944 945 Level: developer 946 947 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscMalloc6(), PetscFree6() 948 949 M*/ 950 #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)) 951 952 /*MC 953 PetscMalloc7 - Allocates 7 arrays of memory, all aligned to PETSC_MEMALIGN 954 955 Synopsis: 956 #include <petscsys.h> 957 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) 958 959 Not Collective 960 961 Input Parameters: 962 + m1 - number of elements to allocate in 1st chunk (may be zero) 963 . m2 - number of elements to allocate in 2nd chunk (may be zero) 964 . m3 - number of elements to allocate in 3rd chunk (may be zero) 965 . m4 - number of elements to allocate in 4th chunk (may be zero) 966 . m5 - number of elements to allocate in 5th chunk (may be zero) 967 . m6 - number of elements to allocate in 6th chunk (may be zero) 968 - m7 - number of elements to allocate in 7th chunk (may be zero) 969 970 Output Parameters: 971 + r1 - memory allocated in first chunk 972 . r2 - memory allocated in second chunk 973 . r3 - memory allocated in third chunk 974 . r4 - memory allocated in fourth chunk 975 . r5 - memory allocated in fifth chunk 976 . r6 - memory allocated in sixth chunk 977 - r7 - memory allocated in seventh chunk 978 979 Level: developer 980 981 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscCalloc7(), PetscFree7() 982 983 M*/ 984 #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)) 985 986 /*MC 987 PetscCalloc7 - Allocates 7 cleared (zeroed) arrays of memory, all aligned to PETSC_MEMALIGN 988 989 Synopsis: 990 #include <petscsys.h> 991 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) 992 993 Not Collective 994 995 Input Parameters: 996 + m1 - number of elements to allocate in 1st chunk (may be zero) 997 . m2 - number of elements to allocate in 2nd chunk (may be zero) 998 . m3 - number of elements to allocate in 3rd chunk (may be zero) 999 . m4 - number of elements to allocate in 4th chunk (may be zero) 1000 . m5 - number of elements to allocate in 5th chunk (may be zero) 1001 . m6 - number of elements to allocate in 6th chunk (may be zero) 1002 - m7 - number of elements to allocate in 7th chunk (may be zero) 1003 1004 Output Parameters: 1005 + r1 - memory allocated in first chunk 1006 . r2 - memory allocated in second chunk 1007 . r3 - memory allocated in third chunk 1008 . r4 - memory allocated in fourth chunk 1009 . r5 - memory allocated in fifth chunk 1010 . r6 - memory allocated in sixth chunk 1011 - r7 - memory allocated in seventh chunk 1012 1013 Level: developer 1014 1015 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscMalloc7(), PetscFree7() 1016 1017 M*/ 1018 #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)) 1019 1020 /*MC 1021 PetscNew - Allocates memory of a particular type, zeros the memory! Aligned to PETSC_MEMALIGN 1022 1023 Synopsis: 1024 #include <petscsys.h> 1025 PetscErrorCode PetscNew(type **result) 1026 1027 Not Collective 1028 1029 Output Parameter: 1030 . result - memory allocated, sized to match pointer type 1031 1032 Level: beginner 1033 1034 .seealso: PetscFree(), PetscMalloc(), PetscNewLog(), PetscCalloc1(), PetscMalloc1() 1035 1036 M*/ 1037 #define PetscNew(b) PetscCalloc1(1,(b)) 1038 1039 /*MC 1040 PetscNewLog - Allocates memory of a type matching pointer, zeros the memory! Aligned to PETSC_MEMALIGN. Associates the memory allocated 1041 with the given object using PetscLogObjectMemory(). 1042 1043 Synopsis: 1044 #include <petscsys.h> 1045 PetscErrorCode PetscNewLog(PetscObject obj,type **result) 1046 1047 Not Collective 1048 1049 Input Parameter: 1050 . obj - object memory is logged to 1051 1052 Output Parameter: 1053 . result - memory allocated, sized to match pointer type 1054 1055 Level: developer 1056 1057 .seealso: PetscFree(), PetscMalloc(), PetscNew(), PetscLogObjectMemory(), PetscCalloc1(), PetscMalloc1() 1058 1059 M*/ 1060 #define PetscNewLog(o,b) (PetscNew((b)) || PetscLogObjectMemory((PetscObject)o,sizeof(**(b)))) 1061 1062 /*MC 1063 PetscFree - Frees memory 1064 1065 Synopsis: 1066 #include <petscsys.h> 1067 PetscErrorCode PetscFree(void *memory) 1068 1069 Not Collective 1070 1071 Input Parameter: 1072 . memory - memory to free (the pointer is ALWAYS set to NULL upon success) 1073 1074 Level: beginner 1075 1076 Notes: 1077 Do not free memory obtained with PetscMalloc2(), PetscCalloc2() etc, they must be freed with PetscFree2() etc. 1078 1079 It is safe to call PetscFree() on a NULL pointer. 1080 1081 .seealso: PetscNew(), PetscMalloc(), PetscNewLog(), PetscMalloc1(), PetscCalloc1() 1082 1083 M*/ 1084 #define PetscFree(a) ((*PetscTrFree)((void*)(a),__LINE__,PETSC_FUNCTION_NAME,__FILE__) || ((a) = NULL,0)) 1085 1086 /*MC 1087 PetscFree2 - Frees 2 chunks of memory obtained with PetscMalloc2() 1088 1089 Synopsis: 1090 #include <petscsys.h> 1091 PetscErrorCode PetscFree2(void *memory1,void *memory2) 1092 1093 Not Collective 1094 1095 Input Parameters: 1096 + memory1 - memory to free 1097 - memory2 - 2nd memory to free 1098 1099 Level: developer 1100 1101 Notes: 1102 Memory must have been obtained with PetscMalloc2() 1103 1104 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree() 1105 1106 M*/ 1107 #define PetscFree2(m1,m2) PetscFreeA(2,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2)) 1108 1109 /*MC 1110 PetscFree3 - Frees 3 chunks of memory obtained with PetscMalloc3() 1111 1112 Synopsis: 1113 #include <petscsys.h> 1114 PetscErrorCode PetscFree3(void *memory1,void *memory2,void *memory3) 1115 1116 Not Collective 1117 1118 Input Parameters: 1119 + memory1 - memory to free 1120 . memory2 - 2nd memory to free 1121 - memory3 - 3rd memory to free 1122 1123 Level: developer 1124 1125 Notes: 1126 Memory must have been obtained with PetscMalloc3() 1127 1128 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3() 1129 1130 M*/ 1131 #define PetscFree3(m1,m2,m3) PetscFreeA(3,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2),&(m3)) 1132 1133 /*MC 1134 PetscFree4 - Frees 4 chunks of memory obtained with PetscMalloc4() 1135 1136 Synopsis: 1137 #include <petscsys.h> 1138 PetscErrorCode PetscFree4(void *m1,void *m2,void *m3,void *m4) 1139 1140 Not Collective 1141 1142 Input Parameters: 1143 + m1 - memory to free 1144 . m2 - 2nd memory to free 1145 . m3 - 3rd memory to free 1146 - m4 - 4th memory to free 1147 1148 Level: developer 1149 1150 Notes: 1151 Memory must have been obtained with PetscMalloc4() 1152 1153 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4() 1154 1155 M*/ 1156 #define PetscFree4(m1,m2,m3,m4) PetscFreeA(4,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2),&(m3),&(m4)) 1157 1158 /*MC 1159 PetscFree5 - Frees 5 chunks of memory obtained with PetscMalloc5() 1160 1161 Synopsis: 1162 #include <petscsys.h> 1163 PetscErrorCode PetscFree5(void *m1,void *m2,void *m3,void *m4,void *m5) 1164 1165 Not Collective 1166 1167 Input Parameters: 1168 + m1 - memory to free 1169 . m2 - 2nd memory to free 1170 . m3 - 3rd memory to free 1171 . m4 - 4th memory to free 1172 - m5 - 5th memory to free 1173 1174 Level: developer 1175 1176 Notes: 1177 Memory must have been obtained with PetscMalloc5() 1178 1179 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5() 1180 1181 M*/ 1182 #define PetscFree5(m1,m2,m3,m4,m5) PetscFreeA(5,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2),&(m3),&(m4),&(m5)) 1183 1184 /*MC 1185 PetscFree6 - Frees 6 chunks of memory obtained with PetscMalloc6() 1186 1187 Synopsis: 1188 #include <petscsys.h> 1189 PetscErrorCode PetscFree6(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6) 1190 1191 Not Collective 1192 1193 Input Parameters: 1194 + m1 - memory to free 1195 . m2 - 2nd memory to free 1196 . m3 - 3rd memory to free 1197 . m4 - 4th memory to free 1198 . m5 - 5th memory to free 1199 - m6 - 6th memory to free 1200 1201 1202 Level: developer 1203 1204 Notes: 1205 Memory must have been obtained with PetscMalloc6() 1206 1207 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6() 1208 1209 M*/ 1210 #define PetscFree6(m1,m2,m3,m4,m5,m6) PetscFreeA(6,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2),&(m3),&(m4),&(m5),&(m6)) 1211 1212 /*MC 1213 PetscFree7 - Frees 7 chunks of memory obtained with PetscMalloc7() 1214 1215 Synopsis: 1216 #include <petscsys.h> 1217 PetscErrorCode PetscFree7(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6,void *m7) 1218 1219 Not Collective 1220 1221 Input Parameters: 1222 + m1 - memory to free 1223 . m2 - 2nd memory to free 1224 . m3 - 3rd memory to free 1225 . m4 - 4th memory to free 1226 . m5 - 5th memory to free 1227 . m6 - 6th memory to free 1228 - m7 - 7th memory to free 1229 1230 1231 Level: developer 1232 1233 Notes: 1234 Memory must have been obtained with PetscMalloc7() 1235 1236 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6(), 1237 PetscMalloc7() 1238 1239 M*/ 1240 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7) PetscFreeA(7,__LINE__,PETSC_FUNCTION_NAME,__FILE__,&(m1),&(m2),&(m3),&(m4),&(m5),&(m6),&(m7)) 1241 1242 PETSC_EXTERN PetscErrorCode PetscMallocA(int,PetscBool,int,const char *,const char *,size_t,void *,...); 1243 PETSC_EXTERN PetscErrorCode PetscFreeA(int,int,const char *,const char *,void *,...); 1244 PETSC_EXTERN PetscErrorCode (*PetscTrMalloc)(size_t,PetscBool,int,const char[],const char[],void**); 1245 PETSC_EXTERN PetscErrorCode (*PetscTrFree)(void*,int,const char[],const char[]); 1246 PETSC_EXTERN PetscErrorCode (*PetscTrRealloc)(size_t,int,const char[],const char[],void**); 1247 PETSC_EXTERN PetscErrorCode PetscMallocSetCoalesce(PetscBool); 1248 PETSC_EXTERN PetscErrorCode PetscMallocSet(PetscErrorCode (*)(size_t,PetscBool,int,const char[],const char[],void**),PetscErrorCode (*)(void*,int,const char[],const char[]),PetscErrorCode (*)(size_t,int,const char[],const char[], void **)); 1249 PETSC_EXTERN PetscErrorCode PetscMallocClear(void); 1250 1251 /* 1252 Unlike PetscMallocSet and PetscMallocClear which overwrite the existing settings, these two functions save the previous choice of allocator, and should be used in pair. 1253 */ 1254 PETSC_EXTERN PetscErrorCode PetscMallocSetDRAM(void); 1255 PETSC_EXTERN PetscErrorCode PetscMallocResetDRAM(void); 1256 #if defined(PETSC_HAVE_CUDA) 1257 PETSC_EXTERN PetscErrorCode PetscMallocSetCUDAHost(void); 1258 PETSC_EXTERN PetscErrorCode PetscMallocResetCUDAHost(void); 1259 #endif 1260 1261 #define MPIU_PETSCLOGDOUBLE MPI_DOUBLE 1262 #define MPIU_2PETSCLOGDOUBLE MPI_2DOUBLE_PRECISION 1263 1264 /* 1265 Routines for tracing memory corruption/bleeding with default PETSc memory allocation 1266 */ 1267 PETSC_EXTERN PetscErrorCode PetscMallocDump(FILE *); 1268 PETSC_EXTERN PetscErrorCode PetscMallocView(FILE *); 1269 PETSC_EXTERN PetscErrorCode PetscMallocGetCurrentUsage(PetscLogDouble *); 1270 PETSC_EXTERN PetscErrorCode PetscMallocGetMaximumUsage(PetscLogDouble *); 1271 PETSC_EXTERN PetscErrorCode PetscMallocPushMaximumUsage(int); 1272 PETSC_EXTERN PetscErrorCode PetscMallocPopMaximumUsage(int,PetscLogDouble*); 1273 PETSC_EXTERN PetscErrorCode PetscMallocSetDebug(PetscBool,PetscBool); 1274 PETSC_EXTERN PetscErrorCode PetscMallocGetDebug(PetscBool*,PetscBool*,PetscBool*); 1275 PETSC_EXTERN PetscErrorCode PetscMallocValidate(int,const char[],const char[]); 1276 PETSC_EXTERN PetscErrorCode PetscMallocViewSet(PetscLogDouble); 1277 PETSC_EXTERN PetscErrorCode PetscMallocViewGet(PetscBool*); 1278 PETSC_EXTERN PetscErrorCode PetscMallocLogRequestedSizeSet(PetscBool); 1279 PETSC_EXTERN PetscErrorCode PetscMallocLogRequestedSizeGet(PetscBool*); 1280 1281 PETSC_EXTERN const char *const PetscDataTypes[]; 1282 PETSC_EXTERN PetscErrorCode PetscDataTypeToMPIDataType(PetscDataType,MPI_Datatype*); 1283 PETSC_EXTERN PetscErrorCode PetscMPIDataTypeToPetscDataType(MPI_Datatype,PetscDataType*); 1284 PETSC_EXTERN PetscErrorCode PetscDataTypeGetSize(PetscDataType,size_t*); 1285 PETSC_EXTERN PetscErrorCode PetscDataTypeFromString(const char*,PetscDataType*,PetscBool*); 1286 1287 /* 1288 Basic memory and string operations. These are usually simple wrappers 1289 around the basic Unix system calls, but a few of them have additional 1290 functionality and/or error checking. 1291 */ 1292 PETSC_EXTERN PetscErrorCode PetscMemcmp(const void*,const void*,size_t,PetscBool *); 1293 PETSC_EXTERN PetscErrorCode PetscStrlen(const char[],size_t*); 1294 PETSC_EXTERN PetscErrorCode PetscStrToArray(const char[],char,int*,char ***); 1295 PETSC_EXTERN PetscErrorCode PetscStrToArrayDestroy(int,char **); 1296 PETSC_EXTERN PetscErrorCode PetscStrcmp(const char[],const char[],PetscBool *); 1297 PETSC_EXTERN PetscErrorCode PetscStrgrt(const char[],const char[],PetscBool *); 1298 PETSC_EXTERN PetscErrorCode PetscStrcasecmp(const char[],const char[],PetscBool *); 1299 PETSC_EXTERN PetscErrorCode PetscStrncmp(const char[],const char[],size_t,PetscBool *); 1300 PETSC_EXTERN PetscErrorCode PetscStrcpy(char[],const char[]); 1301 PETSC_EXTERN PetscErrorCode PetscStrcat(char[],const char[]); 1302 PETSC_EXTERN PetscErrorCode PetscStrlcat(char[],const char[],size_t); 1303 PETSC_EXTERN PetscErrorCode PetscStrncpy(char[],const char[],size_t); 1304 PETSC_EXTERN PetscErrorCode PetscStrchr(const char[],char,char *[]); 1305 PETSC_EXTERN PetscErrorCode PetscStrtolower(char[]); 1306 PETSC_EXTERN PetscErrorCode PetscStrtoupper(char[]); 1307 PETSC_EXTERN PetscErrorCode PetscStrrchr(const char[],char,char *[]); 1308 PETSC_EXTERN PetscErrorCode PetscStrstr(const char[],const char[],char *[]); 1309 PETSC_EXTERN PetscErrorCode PetscStrrstr(const char[],const char[],char *[]); 1310 PETSC_EXTERN PetscErrorCode PetscStrendswith(const char[],const char[],PetscBool*); 1311 PETSC_EXTERN PetscErrorCode PetscStrbeginswith(const char[],const char[],PetscBool*); 1312 PETSC_EXTERN PetscErrorCode PetscStrendswithwhich(const char[],const char *const*,PetscInt*); 1313 PETSC_EXTERN PetscErrorCode PetscStrallocpy(const char[],char *[]); 1314 PETSC_EXTERN PetscErrorCode PetscStrArrayallocpy(const char *const*,char***); 1315 PETSC_EXTERN PetscErrorCode PetscStrArrayDestroy(char***); 1316 PETSC_EXTERN PetscErrorCode PetscStrNArrayallocpy(PetscInt,const char *const*,char***); 1317 PETSC_EXTERN PetscErrorCode PetscStrNArrayDestroy(PetscInt,char***); 1318 PETSC_EXTERN PetscErrorCode PetscStrreplace(MPI_Comm,const char[],char[],size_t); 1319 1320 PETSC_EXTERN void PetscStrcmpNoError(const char[],const char[],PetscBool *); 1321 1322 PETSC_EXTERN PetscErrorCode PetscTokenCreate(const char[],const char,PetscToken*); 1323 PETSC_EXTERN PetscErrorCode PetscTokenFind(PetscToken,char *[]); 1324 PETSC_EXTERN PetscErrorCode PetscTokenDestroy(PetscToken*); 1325 1326 PETSC_EXTERN PetscErrorCode PetscStrInList(const char[],const char[],char,PetscBool*); 1327 PETSC_EXTERN PetscErrorCode PetscEListFind(PetscInt,const char *const*,const char*,PetscInt*,PetscBool*); 1328 PETSC_EXTERN PetscErrorCode PetscEnumFind(const char *const*,const char*,PetscEnum*,PetscBool*); 1329 1330 /* 1331 These are MPI operations for MPI_Allreduce() etc 1332 */ 1333 PETSC_EXTERN MPI_Op MPIU_MAXSUM_OP; 1334 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16) 1335 PETSC_EXTERN MPI_Op MPIU_SUM; 1336 #else 1337 #define MPIU_SUM MPI_SUM 1338 #endif 1339 #if defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16) 1340 PETSC_EXTERN MPI_Op MPIU_MAX; 1341 PETSC_EXTERN MPI_Op MPIU_MIN; 1342 #else 1343 #define MPIU_MAX MPI_MAX 1344 #define MPIU_MIN MPI_MIN 1345 #endif 1346 PETSC_EXTERN PetscErrorCode PetscMaxSum(MPI_Comm,const PetscInt[],PetscInt*,PetscInt*); 1347 1348 PETSC_EXTERN PetscErrorCode MPIULong_Send(void*,PetscInt,MPI_Datatype,PetscMPIInt,PetscMPIInt,MPI_Comm); 1349 PETSC_EXTERN PetscErrorCode MPIULong_Recv(void*,PetscInt,MPI_Datatype,PetscMPIInt,PetscMPIInt,MPI_Comm); 1350 1351 PETSC_EXTERN const char *const PetscFileModes[]; 1352 1353 /* 1354 Defines PETSc error handling. 1355 */ 1356 #include <petscerror.h> 1357 1358 #define PETSC_SMALLEST_CLASSID 1211211 1359 PETSC_EXTERN PetscClassId PETSC_LARGEST_CLASSID; 1360 PETSC_EXTERN PetscClassId PETSC_OBJECT_CLASSID; 1361 PETSC_EXTERN PetscErrorCode PetscClassIdRegister(const char[],PetscClassId *); 1362 PETSC_EXTERN PetscErrorCode PetscObjectGetId(PetscObject,PetscObjectId*); 1363 PETSC_EXTERN PetscErrorCode PetscObjectCompareId(PetscObject,PetscObjectId,PetscBool*); 1364 1365 1366 /* 1367 Routines that get memory usage information from the OS 1368 */ 1369 PETSC_EXTERN PetscErrorCode PetscMemoryGetCurrentUsage(PetscLogDouble *); 1370 PETSC_EXTERN PetscErrorCode PetscMemoryGetMaximumUsage(PetscLogDouble *); 1371 PETSC_EXTERN PetscErrorCode PetscMemorySetGetMaximumUsage(void); 1372 PETSC_EXTERN PetscErrorCode PetscMemoryTrace(const char[]); 1373 1374 PETSC_EXTERN PetscErrorCode PetscSleep(PetscReal); 1375 1376 /* 1377 Initialization of PETSc 1378 */ 1379 PETSC_EXTERN PetscErrorCode PetscInitialize(int*,char***,const char[],const char[]); 1380 PETSC_EXTERN PetscErrorCode PetscInitializeNoPointers(int,char**,const char[],const char[]); 1381 PETSC_EXTERN PetscErrorCode PetscInitializeNoArguments(void); 1382 PETSC_EXTERN PetscErrorCode PetscInitialized(PetscBool *); 1383 PETSC_EXTERN PetscErrorCode PetscFinalized(PetscBool *); 1384 PETSC_EXTERN PetscErrorCode PetscFinalize(void); 1385 PETSC_EXTERN PetscErrorCode PetscInitializeFortran(void); 1386 PETSC_EXTERN PetscErrorCode PetscGetArgs(int*,char ***); 1387 PETSC_EXTERN PetscErrorCode PetscGetArguments(char ***); 1388 PETSC_EXTERN PetscErrorCode PetscFreeArguments(char **); 1389 1390 PETSC_EXTERN PetscErrorCode PetscEnd(void); 1391 PETSC_EXTERN PetscErrorCode PetscSysInitializePackage(void); 1392 1393 PETSC_EXTERN PetscErrorCode PetscPythonInitialize(const char[],const char[]); 1394 PETSC_EXTERN PetscErrorCode PetscPythonFinalize(void); 1395 PETSC_EXTERN PetscErrorCode PetscPythonPrintError(void); 1396 PETSC_EXTERN PetscErrorCode PetscPythonMonitorSet(PetscObject,const char[]); 1397 1398 PETSC_EXTERN PetscErrorCode PetscMonitorCompare(PetscErrorCode (*)(void),void *,PetscErrorCode (*)(void**),PetscErrorCode (*)(void),void *,PetscErrorCode (*)(void**),PetscBool *); 1399 1400 1401 /* 1402 These are so that in extern C code we can caste function pointers to non-extern C 1403 function pointers. Since the regular C++ code expects its function pointers to be C++ 1404 */ 1405 PETSC_EXTERN_TYPEDEF typedef void (**PetscVoidStarFunction)(void); 1406 PETSC_EXTERN_TYPEDEF typedef void (*PetscVoidFunction)(void); 1407 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*PetscErrorCodeFunction)(void); 1408 1409 /* 1410 Functions that can act on any PETSc object. 1411 */ 1412 PETSC_EXTERN PetscErrorCode PetscObjectDestroy(PetscObject*); 1413 PETSC_EXTERN PetscErrorCode PetscObjectGetComm(PetscObject,MPI_Comm *); 1414 PETSC_EXTERN PetscErrorCode PetscObjectGetClassId(PetscObject,PetscClassId *); 1415 PETSC_EXTERN PetscErrorCode PetscObjectGetClassName(PetscObject,const char *[]); 1416 PETSC_EXTERN PetscErrorCode PetscObjectSetType(PetscObject,const char []); 1417 PETSC_EXTERN PetscErrorCode PetscObjectGetType(PetscObject,const char *[]); 1418 PETSC_EXTERN PetscErrorCode PetscObjectSetName(PetscObject,const char[]); 1419 PETSC_EXTERN PetscErrorCode PetscObjectGetName(PetscObject,const char*[]); 1420 PETSC_EXTERN PetscErrorCode PetscObjectSetTabLevel(PetscObject,PetscInt); 1421 PETSC_EXTERN PetscErrorCode PetscObjectGetTabLevel(PetscObject,PetscInt*); 1422 PETSC_EXTERN PetscErrorCode PetscObjectIncrementTabLevel(PetscObject,PetscObject,PetscInt); 1423 PETSC_EXTERN PetscErrorCode PetscObjectReference(PetscObject); 1424 PETSC_EXTERN PetscErrorCode PetscObjectGetReference(PetscObject,PetscInt*); 1425 PETSC_EXTERN PetscErrorCode PetscObjectDereference(PetscObject); 1426 PETSC_EXTERN PetscErrorCode PetscObjectGetNewTag(PetscObject,PetscMPIInt*); 1427 PETSC_EXTERN PetscErrorCode PetscObjectCompose(PetscObject,const char[],PetscObject); 1428 PETSC_EXTERN PetscErrorCode PetscObjectRemoveReference(PetscObject,const char[]); 1429 PETSC_EXTERN PetscErrorCode PetscObjectQuery(PetscObject,const char[],PetscObject*); 1430 PETSC_EXTERN PetscErrorCode PetscObjectComposeFunction_Private(PetscObject,const char[],void (*)(void)); 1431 #define PetscObjectComposeFunction(a,b,d) PetscObjectComposeFunction_Private(a,b,(PetscVoidFunction)(d)) 1432 PETSC_EXTERN PetscErrorCode PetscObjectSetFromOptions(PetscObject); 1433 PETSC_EXTERN PetscErrorCode PetscObjectSetUp(PetscObject); 1434 PETSC_EXTERN PetscErrorCode PetscObjectSetPrintedOptions(PetscObject); 1435 PETSC_EXTERN PetscErrorCode PetscObjectInheritPrintedOptions(PetscObject,PetscObject); 1436 PETSC_EXTERN PetscErrorCode PetscCommGetNewTag(MPI_Comm,PetscMPIInt*); 1437 1438 #include <petscviewertypes.h> 1439 #include <petscoptions.h> 1440 1441 PETSC_EXTERN PetscErrorCode PetscMallocTraceSet(PetscViewer,PetscBool,PetscLogDouble); 1442 PETSC_EXTERN PetscErrorCode PetscMallocTraceGet(PetscBool*); 1443 1444 PETSC_EXTERN PetscErrorCode PetscObjectsListGetGlobalNumbering(MPI_Comm,PetscInt,PetscObject*,PetscInt*,PetscInt*); 1445 1446 PETSC_EXTERN PetscErrorCode PetscMemoryShowUsage(PetscViewer,const char[]); 1447 PETSC_EXTERN PetscErrorCode PetscMemoryView(PetscViewer,const char[]); 1448 PETSC_EXTERN PetscErrorCode PetscObjectPrintClassNamePrefixType(PetscObject,PetscViewer); 1449 PETSC_EXTERN PetscErrorCode PetscObjectView(PetscObject,PetscViewer); 1450 #define PetscObjectQueryFunction(obj,name,fptr) PetscObjectQueryFunction_Private((obj),(name),(PetscVoidFunction*)(fptr)) 1451 PETSC_EXTERN PetscErrorCode PetscObjectQueryFunction_Private(PetscObject,const char[],void (**)(void)); 1452 PETSC_EXTERN PetscErrorCode PetscObjectSetOptionsPrefix(PetscObject,const char[]); 1453 PETSC_EXTERN PetscErrorCode PetscObjectAppendOptionsPrefix(PetscObject,const char[]); 1454 PETSC_EXTERN PetscErrorCode PetscObjectPrependOptionsPrefix(PetscObject,const char[]); 1455 PETSC_EXTERN PetscErrorCode PetscObjectGetOptionsPrefix(PetscObject,const char*[]); 1456 PETSC_EXTERN PetscErrorCode PetscObjectChangeTypeName(PetscObject,const char[]); 1457 PETSC_EXTERN PetscErrorCode PetscObjectRegisterDestroy(PetscObject); 1458 PETSC_EXTERN PetscErrorCode PetscObjectRegisterDestroyAll(void); 1459 PETSC_EXTERN PetscErrorCode PetscObjectViewFromOptions(PetscObject,PetscObject,const char[]); 1460 PETSC_EXTERN PetscErrorCode PetscObjectName(PetscObject); 1461 PETSC_EXTERN PetscErrorCode PetscObjectTypeCompare(PetscObject,const char[],PetscBool *); 1462 PETSC_EXTERN PetscErrorCode PetscObjectBaseTypeCompare(PetscObject,const char[],PetscBool *); 1463 PETSC_EXTERN PetscErrorCode PetscObjectTypeCompareAny(PetscObject,PetscBool*,const char[],...); 1464 PETSC_EXTERN PetscErrorCode PetscObjectBaseTypeCompareAny(PetscObject,PetscBool*,const char[],...); 1465 PETSC_EXTERN PetscErrorCode PetscRegisterFinalize(PetscErrorCode (*)(void)); 1466 PETSC_EXTERN PetscErrorCode PetscRegisterFinalizeAll(void); 1467 1468 #if defined(PETSC_HAVE_SAWS) 1469 PETSC_EXTERN PetscErrorCode PetscSAWsBlock(void); 1470 PETSC_EXTERN PetscErrorCode PetscObjectSAWsViewOff(PetscObject); 1471 PETSC_EXTERN PetscErrorCode PetscObjectSAWsSetBlock(PetscObject,PetscBool); 1472 PETSC_EXTERN PetscErrorCode PetscObjectSAWsBlock(PetscObject); 1473 PETSC_EXTERN PetscErrorCode PetscObjectSAWsGrantAccess(PetscObject); 1474 PETSC_EXTERN PetscErrorCode PetscObjectSAWsTakeAccess(PetscObject); 1475 PETSC_EXTERN void PetscStackSAWsGrantAccess(void); 1476 PETSC_EXTERN void PetscStackSAWsTakeAccess(void); 1477 PETSC_EXTERN PetscErrorCode PetscStackViewSAWs(void); 1478 PETSC_EXTERN PetscErrorCode PetscStackSAWsViewOff(void); 1479 1480 #else 1481 #define PetscSAWsBlock() 0 1482 #define PetscObjectSAWsViewOff(obj) 0 1483 #define PetscObjectSAWsSetBlock(obj,flg) 0 1484 #define PetscObjectSAWsBlock(obj) 0 1485 #define PetscObjectSAWsGrantAccess(obj) 0 1486 #define PetscObjectSAWsTakeAccess(obj) 0 1487 #define PetscStackViewSAWs() 0 1488 #define PetscStackSAWsViewOff() 0 1489 #define PetscStackSAWsTakeAccess() 1490 #define PetscStackSAWsGrantAccess() 1491 1492 #endif 1493 1494 PETSC_EXTERN PetscErrorCode PetscDLOpen(const char[],PetscDLMode,PetscDLHandle *); 1495 PETSC_EXTERN PetscErrorCode PetscDLClose(PetscDLHandle *); 1496 PETSC_EXTERN PetscErrorCode PetscDLSym(PetscDLHandle,const char[],void **); 1497 1498 #if defined(PETSC_USE_DEBUG) 1499 PETSC_EXTERN PetscErrorCode PetscMallocGetStack(void*,PetscStack**); 1500 #endif 1501 PETSC_EXTERN PetscErrorCode PetscObjectsDump(FILE*,PetscBool); 1502 1503 PETSC_EXTERN PetscErrorCode PetscObjectListDestroy(PetscObjectList*); 1504 PETSC_EXTERN PetscErrorCode PetscObjectListFind(PetscObjectList,const char[],PetscObject*); 1505 PETSC_EXTERN PetscErrorCode PetscObjectListReverseFind(PetscObjectList,PetscObject,char**,PetscBool*); 1506 PETSC_EXTERN PetscErrorCode PetscObjectListAdd(PetscObjectList *,const char[],PetscObject); 1507 PETSC_EXTERN PetscErrorCode PetscObjectListRemoveReference(PetscObjectList *,const char[]); 1508 PETSC_EXTERN PetscErrorCode PetscObjectListDuplicate(PetscObjectList,PetscObjectList *); 1509 1510 /* 1511 Dynamic library lists. Lists of names of routines in objects or in dynamic 1512 link libraries that will be loaded as needed. 1513 */ 1514 1515 #define PetscFunctionListAdd(list,name,fptr) PetscFunctionListAdd_Private((list),(name),(PetscVoidFunction)(fptr)) 1516 PETSC_EXTERN PetscErrorCode PetscFunctionListAdd_Private(PetscFunctionList*,const char[],void (*)(void)); 1517 PETSC_EXTERN PetscErrorCode PetscFunctionListDestroy(PetscFunctionList*); 1518 #define PetscFunctionListFind(list,name,fptr) PetscFunctionListFind_Private((list),(name),(PetscVoidFunction*)(fptr)) 1519 PETSC_EXTERN PetscErrorCode PetscFunctionListFind_Private(PetscFunctionList,const char[],void (**)(void)); 1520 PETSC_EXTERN PetscErrorCode PetscFunctionListPrintTypes(MPI_Comm,FILE*,const char[],const char[],const char[],const char[],PetscFunctionList,const char[],const char[]); 1521 PETSC_EXTERN PetscErrorCode PetscFunctionListDuplicate(PetscFunctionList,PetscFunctionList *); 1522 PETSC_EXTERN PetscErrorCode PetscFunctionListView(PetscFunctionList,PetscViewer); 1523 PETSC_EXTERN PetscErrorCode PetscFunctionListGet(PetscFunctionList,const char ***,int*); 1524 1525 PETSC_EXTERN PetscDLLibrary PetscDLLibrariesLoaded; 1526 PETSC_EXTERN PetscErrorCode PetscDLLibraryAppend(MPI_Comm,PetscDLLibrary *,const char[]); 1527 PETSC_EXTERN PetscErrorCode PetscDLLibraryPrepend(MPI_Comm,PetscDLLibrary *,const char[]); 1528 PETSC_EXTERN PetscErrorCode PetscDLLibrarySym(MPI_Comm,PetscDLLibrary *,const char[],const char[],void **); 1529 PETSC_EXTERN PetscErrorCode PetscDLLibraryPrintPath(PetscDLLibrary); 1530 PETSC_EXTERN PetscErrorCode PetscDLLibraryRetrieve(MPI_Comm,const char[],char *,size_t,PetscBool *); 1531 PETSC_EXTERN PetscErrorCode PetscDLLibraryOpen(MPI_Comm,const char[],PetscDLLibrary *); 1532 PETSC_EXTERN PetscErrorCode PetscDLLibraryClose(PetscDLLibrary); 1533 1534 /* 1535 Useful utility routines 1536 */ 1537 PETSC_EXTERN PetscErrorCode PetscSplitOwnership(MPI_Comm,PetscInt*,PetscInt*); 1538 PETSC_EXTERN PetscErrorCode PetscSplitOwnershipBlock(MPI_Comm,PetscInt,PetscInt*,PetscInt*); 1539 PETSC_EXTERN PetscErrorCode PetscSplitOwnershipEqual(MPI_Comm,PetscInt*,PetscInt*); 1540 PETSC_EXTERN PetscErrorCode PetscSequentialPhaseBegin(MPI_Comm,PetscMPIInt); 1541 PETSC_EXTERN PetscErrorCode PetscSequentialPhaseEnd(MPI_Comm,PetscMPIInt); 1542 PETSC_EXTERN PetscErrorCode PetscBarrier(PetscObject); 1543 PETSC_EXTERN PetscErrorCode PetscMPIDump(FILE*); 1544 PETSC_EXTERN PetscErrorCode PetscGlobalMinMaxInt(MPI_Comm,PetscInt[],PetscInt[]); 1545 PETSC_EXTERN PetscErrorCode PetscGlobalMinMaxReal(MPI_Comm,PetscReal[],PetscReal[]); 1546 1547 /*MC 1548 PetscNot - negates a logical type value and returns result as a PetscBool 1549 1550 Notes: 1551 This is useful in cases like 1552 $ int *a; 1553 $ PetscBool flag = PetscNot(a) 1554 where !a would not return a PetscBool because we cannot provide a cast from int to PetscBool in C. 1555 1556 Level: beginner 1557 1558 .seealso : PetscBool, PETSC_TRUE, PETSC_FALSE 1559 M*/ 1560 #define PetscNot(a) ((a) ? PETSC_FALSE : PETSC_TRUE) 1561 1562 /*MC 1563 PetscHelpPrintf - Prints help messages. 1564 1565 Synopsis: 1566 #include <petscsys.h> 1567 PetscErrorCode (*PetscHelpPrintf)(const char format[],...); 1568 1569 Not Collective 1570 1571 Input Parameters: 1572 . format - the usual printf() format string 1573 1574 Level: developer 1575 1576 Fortran Note: 1577 This routine is not supported in Fortran. 1578 1579 1580 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscErrorPrintf() 1581 M*/ 1582 PETSC_EXTERN PetscErrorCode (*PetscHelpPrintf)(MPI_Comm,const char[],...); 1583 1584 /* 1585 Defines PETSc profiling. 1586 */ 1587 #include <petsclog.h> 1588 1589 /* 1590 Simple PETSc parallel IO for ASCII printing 1591 */ 1592 PETSC_EXTERN PetscErrorCode PetscFixFilename(const char[],char[]); 1593 PETSC_EXTERN PetscErrorCode PetscFOpen(MPI_Comm,const char[],const char[],FILE**); 1594 PETSC_EXTERN PetscErrorCode PetscFClose(MPI_Comm,FILE*); 1595 PETSC_EXTERN PetscErrorCode PetscFPrintf(MPI_Comm,FILE*,const char[],...); 1596 PETSC_EXTERN PetscErrorCode PetscPrintf(MPI_Comm,const char[],...); 1597 PETSC_EXTERN PetscErrorCode PetscSNPrintf(char*,size_t,const char [],...); 1598 PETSC_EXTERN PetscErrorCode PetscSNPrintfCount(char*,size_t,const char [],size_t*,...); 1599 PETSC_EXTERN PetscErrorCode PetscFormatRealArray(char[],size_t,const char*,PetscInt,const PetscReal[]); 1600 1601 PETSC_EXTERN PetscErrorCode PetscErrorPrintfDefault(const char [],...); 1602 PETSC_EXTERN PetscErrorCode PetscErrorPrintfNone(const char [],...); 1603 PETSC_EXTERN PetscErrorCode PetscHelpPrintfDefault(MPI_Comm,const char [],...); 1604 1605 PETSC_EXTERN PetscErrorCode PetscFormatConvertGetSize(const char*,size_t*); 1606 PETSC_EXTERN PetscErrorCode PetscFormatConvert(const char*,char *); 1607 1608 #if defined(PETSC_HAVE_POPEN) 1609 PETSC_EXTERN PetscErrorCode PetscPOpen(MPI_Comm,const char[],const char[],const char[],FILE **); 1610 PETSC_EXTERN PetscErrorCode PetscPClose(MPI_Comm,FILE*); 1611 PETSC_EXTERN PetscErrorCode PetscPOpenSetMachine(const char[]); 1612 #endif 1613 1614 PETSC_EXTERN PetscErrorCode PetscSynchronizedPrintf(MPI_Comm,const char[],...); 1615 PETSC_EXTERN PetscErrorCode PetscSynchronizedFPrintf(MPI_Comm,FILE*,const char[],...); 1616 PETSC_EXTERN PetscErrorCode PetscSynchronizedFlush(MPI_Comm,FILE*); 1617 PETSC_EXTERN PetscErrorCode PetscSynchronizedFGets(MPI_Comm,FILE*,size_t,char[]); 1618 PETSC_EXTERN PetscErrorCode PetscStartMatlab(MPI_Comm,const char[],const char[],FILE**); 1619 PETSC_EXTERN PetscErrorCode PetscStartJava(MPI_Comm,const char[],const char[],FILE**); 1620 PETSC_EXTERN PetscErrorCode PetscGetPetscDir(const char*[]); 1621 1622 PETSC_EXTERN PetscClassId PETSC_CONTAINER_CLASSID; 1623 PETSC_EXTERN PetscErrorCode PetscContainerGetPointer(PetscContainer,void**); 1624 PETSC_EXTERN PetscErrorCode PetscContainerSetPointer(PetscContainer,void*); 1625 PETSC_EXTERN PetscErrorCode PetscContainerDestroy(PetscContainer*); 1626 PETSC_EXTERN PetscErrorCode PetscContainerCreate(MPI_Comm,PetscContainer*); 1627 PETSC_EXTERN PetscErrorCode PetscContainerSetUserDestroy(PetscContainer,PetscErrorCode (*)(void*)); 1628 PETSC_EXTERN PetscErrorCode PetscContainerUserDestroyDefault(void*); 1629 1630 /* 1631 For use in debuggers 1632 */ 1633 PETSC_EXTERN PetscMPIInt PetscGlobalRank; 1634 PETSC_EXTERN PetscMPIInt PetscGlobalSize; 1635 PETSC_EXTERN PetscErrorCode PetscIntView(PetscInt,const PetscInt[],PetscViewer); 1636 PETSC_EXTERN PetscErrorCode PetscRealView(PetscInt,const PetscReal[],PetscViewer); 1637 PETSC_EXTERN PetscErrorCode PetscScalarView(PetscInt,const PetscScalar[],PetscViewer); 1638 1639 #include <stddef.h> 1640 #include <string.h> /* for memcpy, memset */ 1641 #include <stdlib.h> 1642 1643 #if defined(PETSC_HAVE_XMMINTRIN_H) && !defined(__CUDACC__) 1644 #include <xmmintrin.h> 1645 #endif 1646 1647 /*@C 1648 PetscMemmove - Copies n bytes, beginning at location b, to the space 1649 beginning at location a. Copying between regions that overlap will 1650 take place correctly. Use PetscMemcpy() if the locations do not overlap 1651 1652 Not Collective 1653 1654 Input Parameters: 1655 + b - pointer to initial memory space 1656 . a - pointer to copy space 1657 - n - length (in bytes) of space to copy 1658 1659 Level: intermediate 1660 1661 Note: 1662 PetscArraymove() is preferred 1663 This routine is analogous to memmove(). 1664 1665 Developers Note: This is inlined for performance 1666 1667 .seealso: PetscMemcpy(), PetscMemcmp(), PetscArrayzero(), PetscMemzero(), PetscArraycmp(), PetscArraycpy(), PetscStrallocpy(), 1668 PetscArraymove() 1669 @*/ 1670 PETSC_STATIC_INLINE PetscErrorCode PetscMemmove(void *a,const void *b,size_t n) 1671 { 1672 PetscFunctionBegin; 1673 if (n > 0 && !a) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy to null pointer"); 1674 if (n > 0 && !b) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy from a null pointer"); 1675 #if !defined(PETSC_HAVE_MEMMOVE) 1676 if (a < b) { 1677 if (a <= b - n) memcpy(a,b,n); 1678 else { 1679 memcpy(a,b,(int)(b - a)); 1680 PetscMemmove(b,b + (int)(b - a),n - (int)(b - a)); 1681 } 1682 } else { 1683 if (b <= a - n) memcpy(a,b,n); 1684 else { 1685 memcpy(b + n,b + (n - (int)(a - b)),(int)(a - b)); 1686 PetscMemmove(a,b,n - (int)(a - b)); 1687 } 1688 } 1689 #else 1690 memmove((char*)(a),(char*)(b),n); 1691 #endif 1692 PetscFunctionReturn(0); 1693 } 1694 1695 /*@C 1696 PetscMemcpy - Copies n bytes, beginning at location b, to the space 1697 beginning at location a. The two memory regions CANNOT overlap, use 1698 PetscMemmove() in that case. 1699 1700 Not Collective 1701 1702 Input Parameters: 1703 + b - pointer to initial memory space 1704 - n - length (in bytes) of space to copy 1705 1706 Output Parameter: 1707 . a - pointer to copy space 1708 1709 Level: intermediate 1710 1711 Compile Option: 1712 PETSC_PREFER_DCOPY_FOR_MEMCPY will cause the BLAS dcopy() routine to be used 1713 for memory copies on double precision values. 1714 PETSC_PREFER_COPY_FOR_MEMCPY will cause C code to be used 1715 for memory copies on double precision values. 1716 PETSC_PREFER_FORTRAN_FORMEMCPY will cause Fortran code to be used 1717 for memory copies on double precision values. 1718 1719 Note: 1720 Prefer PetscArraycpy() 1721 This routine is analogous to memcpy(). 1722 Not available from Fortran 1723 1724 Developer Note: this is inlined for fastest performance 1725 1726 .seealso: PetscMemzero(), PetscMemcmp(), PetscArrayzero(), PetscArraycmp(), PetscArraycpy(), PetscMemmove(), PetscStrallocpy() 1727 1728 @*/ 1729 PETSC_STATIC_INLINE PetscErrorCode PetscMemcpy(void *a,const void *b,size_t n) 1730 { 1731 #if defined(PETSC_USE_DEBUG) 1732 size_t al = (size_t) a,bl = (size_t) b; 1733 size_t nl = (size_t) n; 1734 PetscFunctionBegin; 1735 if (n > 0 && !b) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy from a null pointer"); 1736 if (n > 0 && !a) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy to a null pointer"); 1737 #else 1738 PetscFunctionBegin; 1739 #endif 1740 if (a != b && n > 0) { 1741 #if defined(PETSC_USE_DEBUG) 1742 if ((al > bl && (al - bl) < nl) || (bl - al) < nl) SETERRQ3(PETSC_COMM_SELF,PETSC_ERR_ARG_INCOMP,"Memory regions overlap: either use PetscMemmov()\n\ 1743 or make sure your copy regions and lengths are correct. \n\ 1744 Length (bytes) %ld first address %ld second address %ld",nl,al,bl); 1745 #endif 1746 #if (defined(PETSC_PREFER_DCOPY_FOR_MEMCPY) || defined(PETSC_PREFER_COPY_FOR_MEMCPY) || defined(PETSC_PREFER_FORTRAN_FORMEMCPY)) 1747 if (!(a % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1748 size_t len = n/sizeof(PetscScalar); 1749 #if defined(PETSC_PREFER_DCOPY_FOR_MEMCPY) 1750 PetscBLASInt one = 1,blen; 1751 PetscErrorCode ierr; 1752 ierr = PetscBLASIntCast(len,&blen);CHKERRQ(ierr); 1753 PetscStackCallBLAS("BLAScopy",BLAScopy_(&blen,(PetscScalar *)b,&one,(PetscScalar *)a,&one)); 1754 #elif defined(PETSC_PREFER_FORTRAN_FORMEMCPY) 1755 fortrancopy_(&len,(PetscScalar*)b,(PetscScalar*)a); 1756 #else 1757 size_t i; 1758 PetscScalar *x = (PetscScalar*)b, *y = (PetscScalar*)a; 1759 for (i=0; i<len; i++) y[i] = x[i]; 1760 #endif 1761 } else { 1762 memcpy((char*)(a),(char*)(b),n); 1763 } 1764 #else 1765 memcpy((char*)(a),(char*)(b),n); 1766 #endif 1767 } 1768 PetscFunctionReturn(0); 1769 } 1770 1771 /*@C 1772 PetscMemzero - Zeros the specified memory. 1773 1774 Not Collective 1775 1776 Input Parameters: 1777 + a - pointer to beginning memory location 1778 - n - length (in bytes) of memory to initialize 1779 1780 Level: intermediate 1781 1782 Compile Option: 1783 PETSC_PREFER_BZERO - on certain machines (the IBM RS6000) the bzero() routine happens 1784 to be faster than the memset() routine. This flag causes the bzero() routine to be used. 1785 1786 Not available from Fortran 1787 Prefer PetscArrayzero() 1788 1789 Developer Note: this is inlined for fastest performance 1790 1791 .seealso: PetscMemcpy(), PetscMemcmp(), PetscArrayzero(), PetscArraycmp(), PetscArraycpy(), PetscMemmove(), PetscStrallocpy() 1792 @*/ 1793 PETSC_STATIC_INLINE PetscErrorCode PetscMemzero(void *a,size_t n) 1794 { 1795 if (n > 0) { 1796 #if defined(PETSC_USE_DEBUG) 1797 if (!a) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to zero at a null pointer with %zu bytes",n); 1798 #endif 1799 #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO) 1800 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1801 size_t i,len = n/sizeof(PetscScalar); 1802 PetscScalar *x = (PetscScalar*)a; 1803 for (i=0; i<len; i++) x[i] = 0.0; 1804 } else { 1805 #elif defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO) 1806 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1807 PetscInt len = n/sizeof(PetscScalar); 1808 fortranzero_(&len,(PetscScalar*)a); 1809 } else { 1810 #endif 1811 #if defined(PETSC_PREFER_BZERO) 1812 bzero((char *)a,n); 1813 #else 1814 memset((char*)a,0,n); 1815 #endif 1816 #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO) || defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO) 1817 } 1818 #endif 1819 } 1820 return 0; 1821 } 1822 1823 /*MC 1824 PetscArraycmp - Compares two arrays in memory. 1825 1826 Synopsis: 1827 #include <petscsys.h> 1828 PetscErrorCode PetscArraycmp(const anytype *str1,const anytype *str2,size_t cnt,PetscBool *e) 1829 1830 Not Collective 1831 1832 Input Parameters: 1833 + str1 - First array 1834 . str2 - Second array 1835 - cnt - Count of the array, not in bytes, but number of entries in the arrays 1836 1837 Output Parameters: 1838 . e - PETSC_TRUE if equal else PETSC_FALSE. 1839 1840 Level: intermediate 1841 1842 Note: 1843 This routine is a preferred replacement to PetscMemcmp() 1844 The arrays must be of the same type 1845 1846 .seealso: PetscMemcpy(), PetscMemcmp(), PetscArrayzero(), PetscMemzero(), PetscArraycpy(), PetscMemmove(), PetscStrallocpy(), 1847 PetscArraymove() 1848 M*/ 1849 #define PetscArraycmp(str1,str2,cnt,e) ((sizeof(*(str1)) != sizeof(*(str2))) || PetscMemcmp(str1,str2,(size_t)(cnt)*sizeof(*(str1)),e)) 1850 1851 /*MC 1852 PetscArraymove - Copies from one array in memory to another, the arrays may overlap. Use PetscArraycpy() when the arrays 1853 do not overlap 1854 1855 Synopsis: 1856 #include <petscsys.h> 1857 PetscErrorCode PetscArraymove(anytype *str1,const anytype *str2,size_t cnt) 1858 1859 Not Collective 1860 1861 Input Parameters: 1862 + str1 - First array 1863 . str2 - Second array 1864 - cnt - Count of the array, not in bytes, but number of entries in the arrays 1865 1866 Level: intermediate 1867 1868 Note: 1869 This routine is a preferred replacement to PetscMemmove() 1870 The arrays must be of the same type 1871 1872 .seealso: PetscMemcpy(), PetscMemcmp(), PetscArrayzero(), PetscMemzero(), PetscArraycpy(), PetscMemmove(), PetscArraycmp(), PetscStrallocpy() 1873 M*/ 1874 #define PetscArraymove(str1,str2,cnt) ((sizeof(*(str1)) != sizeof(*(str2))) || PetscMemmove(str1,str2,(size_t)(cnt)*sizeof(*(str1)))) 1875 1876 /*MC 1877 PetscArraycpy - Copies from one array in memory to another 1878 1879 Synopsis: 1880 #include <petscsys.h> 1881 PetscErrorCode PetscArraycpy(anytype *str1,const anytype *str2,size_t cnt) 1882 1883 Not Collective 1884 1885 Input Parameters: 1886 + str1 - First array (destination) 1887 . str2 - Second array (source) 1888 - cnt - Count of the array, not in bytes, but number of entries in the arrays 1889 1890 Level: intermediate 1891 1892 Note: 1893 This routine is a preferred replacement to PetscMemcpy() 1894 The arrays must be of the same type 1895 1896 .seealso: PetscMemcpy(), PetscMemcmp(), PetscArrayzero(), PetscMemzero(), PetscArraymove(), PetscMemmove(), PetscArraycmp(), PetscStrallocpy() 1897 M*/ 1898 #define PetscArraycpy(str1,str2,cnt) ((sizeof(*(str1)) != sizeof(*(str2))) || PetscMemcpy(str1,str2,(size_t)(cnt)*sizeof(*(str1)))) 1899 1900 /*MC 1901 PetscArrayzero - Zeros an array in memory. 1902 1903 Synopsis: 1904 #include <petscsys.h> 1905 PetscErrorCode PetscArrayzero(anytype *str1,size_t cnt) 1906 1907 Not Collective 1908 1909 Input Parameters: 1910 + str1 - array 1911 - cnt - Count of the array, not in bytes, but number of entries in the array 1912 1913 Level: intermediate 1914 1915 Note: 1916 This routine is a preferred replacement to PetscMemzero() 1917 1918 .seealso: PetscMemcpy(), PetscMemcmp(), PetscMemzero(), PetscArraycmp(), PetscArraycpy(), PetscMemmove(), PetscStrallocpy(), PetscArraymove() 1919 M*/ 1920 #define PetscArrayzero(str1,cnt) PetscMemzero(str1,(size_t)(cnt)*sizeof(*(str1))) 1921 1922 /*MC 1923 PetscPrefetchBlock - Prefetches a block of memory 1924 1925 Synopsis: 1926 #include <petscsys.h> 1927 void PetscPrefetchBlock(const anytype *a,size_t n,int rw,int t) 1928 1929 Not Collective 1930 1931 Input Parameters: 1932 + a - pointer to first element to fetch (any type but usually PetscInt or PetscScalar) 1933 . n - number of elements to fetch 1934 . rw - 1 if the memory will be written to, otherwise 0 (ignored by many processors) 1935 - t - temporal locality (PETSC_PREFETCH_HINT_{NTA,T0,T1,T2}), see note 1936 1937 Level: developer 1938 1939 Notes: 1940 The last two arguments (rw and t) must be compile-time constants. 1941 1942 Adopting Intel's x86/x86-64 conventions, there are four levels of temporal locality. Not all architectures offer 1943 equivalent locality hints, but the following macros are always defined to their closest analogue. 1944 + PETSC_PREFETCH_HINT_NTA - Non-temporal. Prefetches directly to L1, evicts to memory (skips higher level cache unless it was already there when prefetched). 1945 . 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. 1946 . PETSC_PREFETCH_HINT_T1 - Fetch to level 2 and higher (not L1). 1947 - PETSC_PREFETCH_HINT_T2 - Fetch to high-level cache only. (On many systems, T0 and T1 are equivalent.) 1948 1949 This function does nothing on architectures that do not support prefetch and never errors (even if passed an invalid 1950 address). 1951 1952 M*/ 1953 #define PetscPrefetchBlock(a,n,rw,t) do { \ 1954 const char *_p = (const char*)(a),*_end = (const char*)((a)+(n)); \ 1955 for (; _p < _end; _p += PETSC_LEVEL1_DCACHE_LINESIZE) PETSC_Prefetch(_p,(rw),(t)); \ 1956 } while (0) 1957 1958 /* 1959 Determine if some of the kernel computation routines use 1960 Fortran (rather than C) for the numerical calculations. On some machines 1961 and compilers (like complex numbers) the Fortran version of the routines 1962 is faster than the C/C++ versions. The flag --with-fortran-kernels 1963 should be used with ./configure to turn these on. 1964 */ 1965 #if defined(PETSC_USE_FORTRAN_KERNELS) 1966 1967 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTCRL) 1968 #define PETSC_USE_FORTRAN_KERNEL_MULTCRL 1969 #endif 1970 1971 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJPERM) 1972 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJPERM 1973 #endif 1974 1975 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJ) 1976 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJ 1977 #endif 1978 1979 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ) 1980 #define PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ 1981 #endif 1982 1983 #if !defined(PETSC_USE_FORTRAN_KERNEL_NORM) 1984 #define PETSC_USE_FORTRAN_KERNEL_NORM 1985 #endif 1986 1987 #if !defined(PETSC_USE_FORTRAN_KERNEL_MAXPY) 1988 #define PETSC_USE_FORTRAN_KERNEL_MAXPY 1989 #endif 1990 1991 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ) 1992 #define PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ 1993 #endif 1994 1995 #if !defined(PETSC_USE_FORTRAN_KERNEL_RELAXAIJ) 1996 #define PETSC_USE_FORTRAN_KERNEL_RELAXAIJ 1997 #endif 1998 1999 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ) 2000 #define PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ 2001 #endif 2002 2003 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ) 2004 #define PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ 2005 #endif 2006 2007 #if !defined(PETSC_USE_FORTRAN_KERNEL_MDOT) 2008 #define PETSC_USE_FORTRAN_KERNEL_MDOT 2009 #endif 2010 2011 #if !defined(PETSC_USE_FORTRAN_KERNEL_XTIMESY) 2012 #define PETSC_USE_FORTRAN_KERNEL_XTIMESY 2013 #endif 2014 2015 #if !defined(PETSC_USE_FORTRAN_KERNEL_AYPX) 2016 #define PETSC_USE_FORTRAN_KERNEL_AYPX 2017 #endif 2018 2019 #if !defined(PETSC_USE_FORTRAN_KERNEL_WAXPY) 2020 #define PETSC_USE_FORTRAN_KERNEL_WAXPY 2021 #endif 2022 2023 #endif 2024 2025 /* 2026 Macros for indicating code that should be compiled with a C interface, 2027 rather than a C++ interface. Any routines that are dynamically loaded 2028 (such as the PCCreate_XXX() routines) must be wrapped so that the name 2029 mangler does not change the functions symbol name. This just hides the 2030 ugly extern "C" {} wrappers. 2031 */ 2032 #if defined(__cplusplus) 2033 # define EXTERN_C_BEGIN extern "C" { 2034 # define EXTERN_C_END } 2035 #else 2036 # define EXTERN_C_BEGIN 2037 # define EXTERN_C_END 2038 #endif 2039 2040 /* --------------------------------------------------------------------*/ 2041 2042 /*MC 2043 MPI_Comm - the basic object used by MPI to determine which processes are involved in a 2044 communication 2045 2046 Level: beginner 2047 2048 Note: This manual page is a place-holder because MPICH does not have a manual page for MPI_Comm 2049 2050 .seealso: PETSC_COMM_WORLD, PETSC_COMM_SELF 2051 M*/ 2052 2053 #if defined(PETSC_HAVE_MPIIO) 2054 PETSC_EXTERN PetscErrorCode MPIU_File_write_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2055 PETSC_EXTERN PetscErrorCode MPIU_File_read_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2056 PETSC_EXTERN PetscErrorCode MPIU_File_write_at(MPI_File,MPI_Offset,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2057 PETSC_EXTERN PetscErrorCode MPIU_File_read_at(MPI_File,MPI_Offset,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2058 PETSC_EXTERN PetscErrorCode MPIU_File_write_at_all(MPI_File,MPI_Offset,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2059 PETSC_EXTERN PetscErrorCode MPIU_File_read_at_all(MPI_File,MPI_Offset,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2060 #endif 2061 2062 /* the following petsc_static_inline require petscerror.h */ 2063 2064 /* Limit MPI to 32-bits */ 2065 #define PETSC_MPI_INT_MAX 2147483647 2066 #define PETSC_MPI_INT_MIN -2147483647 2067 /* Limit BLAS to 32-bits */ 2068 #define PETSC_BLAS_INT_MAX 2147483647 2069 #define PETSC_BLAS_INT_MIN -2147483647 2070 2071 /*@C 2072 PetscIntCast - casts a PetscInt64 (which is 64 bits in size) to a PetscInt (which may be 32 bits in size), generates an 2073 error if the PetscInt is not large enough to hold the number. 2074 2075 Not Collective 2076 2077 Input Parameter: 2078 . a - the PetscInt64 value 2079 2080 Output Parameter: 2081 . b - the resulting PetscInt value 2082 2083 Level: advanced 2084 2085 Notes: If integers needed for the applications are too large to fit in 32 bit ints you can ./configure using --with-64-bit-indices to make PetscInt use 64 bit ints 2086 2087 Not available from Fortran 2088 2089 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscMPIIntCast(), PetscBLASIntCast() 2090 @*/ 2091 PETSC_STATIC_INLINE PetscErrorCode PetscIntCast(PetscInt64 a,PetscInt *b) 2092 { 2093 PetscFunctionBegin; 2094 #if !defined(PETSC_USE_64BIT_INDICES) 2095 if ((a) > PETSC_MAX_INT) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Integer too long for PetscInt, you may need to ./configure using --with-64-bit-indices"); 2096 #endif 2097 *b = (PetscInt)(a); 2098 PetscFunctionReturn(0); 2099 } 2100 2101 /*@C 2102 PetscBLASIntCast - casts a PetscInt (which may be 64 bits in size) to a PetscBLASInt (which may be 32 bits in size), generates an 2103 error if the PetscBLASInt is not large enough to hold the number. 2104 2105 Not Collective 2106 2107 Input Parameter: 2108 . a - the PetscInt value 2109 2110 Output Parameter: 2111 . b - the resulting PetscBLASInt value 2112 2113 Level: advanced 2114 2115 Notes: 2116 Not available from Fortran 2117 Errors if the integer is negative since PETSc calls to BLAS/LAPACK never need to cast negative integer inputs 2118 2119 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscMPIIntCast(), PetscIntCast() 2120 @*/ 2121 PETSC_STATIC_INLINE PetscErrorCode PetscBLASIntCast(PetscInt a,PetscBLASInt *b) 2122 { 2123 PetscFunctionBegin; 2124 #if defined(PETSC_USE_64BIT_INDICES) && !defined(PETSC_HAVE_64BIT_BLAS_INDICES) 2125 *b = 0; 2126 if ((a) > PETSC_BLAS_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Array too long for BLAS/LAPACK"); 2127 #endif 2128 if (a < 0) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Passing negative integer to BLAS/LAPACK routine"); 2129 *b = (PetscBLASInt)(a); 2130 PetscFunctionReturn(0); 2131 } 2132 2133 /*@C 2134 PetscMPIIntCast - casts a PetscInt (which may be 64 bits in size) to a PetscMPIInt (which may be 32 bits in size), generates an 2135 error if the PetscMPIInt is not large enough to hold the number. 2136 2137 Not Collective 2138 2139 Input Parameter: 2140 . a - the PetscInt value 2141 2142 Output Parameter: 2143 . b - the resulting PetscMPIInt value 2144 2145 Level: advanced 2146 2147 Not available from Fortran 2148 2149 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast(), PetscIntCast() 2150 @*/ 2151 PETSC_STATIC_INLINE PetscErrorCode PetscMPIIntCast(PetscInt a,PetscMPIInt *b) 2152 { 2153 PetscFunctionBegin; 2154 #if defined(PETSC_USE_64BIT_INDICES) 2155 *b = 0; 2156 if ((a) > PETSC_MPI_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Array too long for MPI"); 2157 #endif 2158 *b = (PetscMPIInt)(a); 2159 PetscFunctionReturn(0); 2160 } 2161 2162 #define PetscInt64Mult(a,b) ((PetscInt64)(a))*((PetscInt64)(b)) 2163 2164 /*@C 2165 2166 PetscRealIntMultTruncate - Computes the product of a positive PetscReal and a positive PetscInt and truncates the value to slightly less than the maximal possible value 2167 2168 Not Collective 2169 2170 Input Parameter: 2171 + a - the PetscReal value 2172 - b - the second value 2173 2174 Returns: 2175 the result as a PetscInt value 2176 2177 Use PetscInt64Mult() to compute the product of two PetscInt as a PetscInt64 2178 Use PetscIntMultTruncate() to compute the product of two positive PetscInt and truncate to fit a PetscInt 2179 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 2180 2181 Developers Note: 2182 We currently assume that PetscInt addition can never overflow, this is obviously wrong but requires many more checks. 2183 2184 This is used where we compute approximate sizes for workspace and need to insure the workspace is index-able. 2185 2186 Not available from Fortran 2187 2188 Level: advanced 2189 2190 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast(), PetscInt64Mult() 2191 @*/ 2192 PETSC_STATIC_INLINE PetscInt PetscRealIntMultTruncate(PetscReal a,PetscInt b) 2193 { 2194 PetscInt64 r; 2195 2196 r = (PetscInt64) (a*(PetscReal)b); 2197 if (r > PETSC_MAX_INT - 100) r = PETSC_MAX_INT - 100; 2198 return (PetscInt) r; 2199 } 2200 2201 /*@C 2202 2203 PetscIntMultTruncate - Computes the product of two positive PetscInt and truncates the value to slightly less than the maximal possible value 2204 2205 Not Collective 2206 2207 Input Parameter: 2208 + a - the PetscInt value 2209 - b - the second value 2210 2211 Returns: 2212 the result as a PetscInt value 2213 2214 Use PetscInt64Mult() to compute the product of two PetscInt as a PetscInt64 2215 Use PetscRealIntMultTruncate() to compute the product of a PetscReal and a PetscInt and truncate to fit a PetscInt 2216 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 2217 2218 Not available from Fortran 2219 2220 Developers Note: We currently assume that PetscInt addition can never overflow, this is obviously wrong but requires many more checks. 2221 2222 This is used where we compute approximate sizes for workspace and need to insure the workspace is index-able. 2223 2224 Level: advanced 2225 2226 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast(), PetscInt64Mult() 2227 @*/ 2228 PETSC_STATIC_INLINE PetscInt PetscIntMultTruncate(PetscInt a,PetscInt b) 2229 { 2230 PetscInt64 r; 2231 2232 r = PetscInt64Mult(a,b); 2233 if (r > PETSC_MAX_INT - 100) r = PETSC_MAX_INT - 100; 2234 return (PetscInt) r; 2235 } 2236 2237 /*@C 2238 2239 PetscIntSumTruncate - Computes the sum of two positive PetscInt and truncates the value to slightly less than the maximal possible value 2240 2241 Not Collective 2242 2243 Input Parameter: 2244 + a - the PetscInt value 2245 - b - the second value 2246 2247 Returns: 2248 the result as a PetscInt value 2249 2250 Use PetscInt64Mult() to compute the product of two PetscInt as a PetscInt64 2251 Use PetscRealIntMultTruncate() to compute the product of a PetscReal and a PetscInt and truncate to fit a PetscInt 2252 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 2253 2254 This is used where we compute approximate sizes for workspace and need to insure the workspace is index-able. 2255 2256 Not available from Fortran 2257 2258 Level: advanced 2259 2260 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast(), PetscInt64Mult() 2261 @*/ 2262 PETSC_STATIC_INLINE PetscInt PetscIntSumTruncate(PetscInt a,PetscInt b) 2263 { 2264 PetscInt64 r; 2265 2266 r = ((PetscInt64)a) + ((PetscInt64)b); 2267 if (r > PETSC_MAX_INT - 100) r = PETSC_MAX_INT - 100; 2268 return (PetscInt) r; 2269 } 2270 2271 /*@C 2272 2273 PetscIntMultError - Computes the product of two positive PetscInt and generates an error with overflow. 2274 2275 Not Collective 2276 2277 Input Parameter: 2278 + a - the PetscInt value 2279 - b - the second value 2280 2281 Output Parameter:ma 2282 . result - the result as a PetscInt value, or NULL if you do not want the result, you just want to check if it overflows 2283 2284 Use PetscInt64Mult() to compute the product of two 32 bit PetscInt and store in a PetscInt64 2285 Use PetscIntMultTruncate() to compute the product of two PetscInt and truncate it to fit in a PetscInt 2286 2287 Not available from Fortran 2288 2289 Developers Note: We currently assume that PetscInt addition does not overflow, this is obviously wrong but requires many more checks. 2290 2291 Level: advanced 2292 2293 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast(), PetscIntMult64(), PetscIntSumError() 2294 @*/ 2295 PETSC_STATIC_INLINE PetscErrorCode PetscIntMultError(PetscInt a,PetscInt b,PetscInt *result) 2296 { 2297 PetscInt64 r; 2298 2299 PetscFunctionBegin; 2300 r = PetscInt64Mult(a,b); 2301 #if !defined(PETSC_USE_64BIT_INDICES) 2302 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); 2303 #endif 2304 if (result) *result = (PetscInt) r; 2305 PetscFunctionReturn(0); 2306 } 2307 2308 /*@C 2309 2310 PetscIntSumError - Computes the sum of two positive PetscInt and generates an error with overflow. 2311 2312 Not Collective 2313 2314 Input Parameter: 2315 + a - the PetscInt value 2316 - b - the second value 2317 2318 Output Parameter:ma 2319 . c - the result as a PetscInt value, or NULL if you do not want the result, you just want to check if it overflows 2320 2321 Use PetscInt64Mult() to compute the product of two 32 bit PetscInt and store in a PetscInt64 2322 Use PetscIntMultTruncate() to compute the product of two PetscInt and truncate it to fit in a PetscInt 2323 2324 Not available from Fortran 2325 2326 Level: advanced 2327 2328 .seealso: PetscBLASInt, PetscMPIInt, PetscInt, PetscBLASIntCast(), PetscInt64Mult() 2329 @*/ 2330 PETSC_STATIC_INLINE PetscErrorCode PetscIntSumError(PetscInt a,PetscInt b,PetscInt *result) 2331 { 2332 PetscInt64 r; 2333 2334 PetscFunctionBegin; 2335 r = ((PetscInt64)a) + ((PetscInt64)b); 2336 #if !defined(PETSC_USE_64BIT_INDICES) 2337 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); 2338 #endif 2339 if (result) *result = (PetscInt) r; 2340 PetscFunctionReturn(0); 2341 } 2342 2343 /* 2344 The IBM include files define hz, here we hide it so that it may be used as a regular user variable. 2345 */ 2346 #if defined(hz) 2347 # undef hz 2348 #endif 2349 2350 #include <limits.h> 2351 2352 /* The number of bits in a byte */ 2353 2354 #define PETSC_BITS_PER_BYTE CHAR_BIT 2355 2356 #if defined(PETSC_HAVE_SYS_TYPES_H) 2357 # include <sys/types.h> 2358 #endif 2359 2360 /*MC 2361 2362 PETSC_VERSION - This manual page provides information about how PETSc documents and uses its version information. This information is available to both C/C++ 2363 and Fortran compilers when petscsys.h is included. 2364 2365 2366 The current PETSc version and the API for accessing it are defined in petscversion.h 2367 2368 The complete version number is given as the triple PETSC_VERSION_MAJOR.PETSC_VERSION_MINOR.PETSC_VERSION_SUBMINOR (in short hand x.y.z) 2369 2370 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 2371 where only a change in the major version number (x) indicates a change in the API. 2372 2373 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 2374 2375 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), 2376 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 2377 version number (x.y.z). 2378 2379 PETSC_RELEASE_DATE is the date the x.y version was released (i.e. the version before any patch releases) 2380 2381 PETSC_VERSION_DATE is the date the x.y.z version was released 2382 2383 PETSC_VERSION_GIT is the last git commit to the repository given in the form vx.y.z-wwwww 2384 2385 PETSC_VERSION_DATE_GIT is the date of the last git commit to the repository 2386 2387 Level: intermediate 2388 2389 PETSC_VERSION_() and PETSC_VERSION_PATCH are deprecated and will eventually be removed. For several releases PETSC_VERSION_PATCH is always 0 2390 2391 M*/ 2392 2393 /*MC 2394 2395 UsingFortran - To use PETSc with Fortran you must use both PETSc include files and modules. At the beginning 2396 of every function and module definition you need something like 2397 2398 $ 2399 $#include "petsc/finclude/petscXXX.h" 2400 $ use petscXXX 2401 2402 You can declare PETSc variables using either of the following. 2403 2404 $ XXX variablename 2405 $ type(tXXX) variablename 2406 2407 For example, 2408 2409 $#include "petsc/finclude/petscvec.h" 2410 $ use petscvec 2411 $ 2412 $ Vec b 2413 $ type(tVec) x 2414 2415 Level: beginner 2416 2417 M*/ 2418 2419 PETSC_EXTERN PetscErrorCode PetscGetArchType(char[],size_t); 2420 PETSC_EXTERN PetscErrorCode PetscGetHostName(char[],size_t); 2421 PETSC_EXTERN PetscErrorCode PetscGetUserName(char[],size_t); 2422 PETSC_EXTERN PetscErrorCode PetscGetProgramName(char[],size_t); 2423 PETSC_EXTERN PetscErrorCode PetscSetProgramName(const char[]); 2424 PETSC_EXTERN PetscErrorCode PetscGetDate(char[],size_t); 2425 PETSC_EXTERN PetscErrorCode PetscGetVersion(char[], size_t); 2426 PETSC_EXTERN PetscErrorCode PetscGetVersionNumber(PetscInt*,PetscInt*,PetscInt*,PetscInt*); 2427 2428 PETSC_EXTERN PetscErrorCode PetscSortedInt(PetscInt,const PetscInt[],PetscBool*); 2429 PETSC_EXTERN PetscErrorCode PetscSortedMPIInt(PetscInt,const PetscMPIInt[],PetscBool*); 2430 PETSC_EXTERN PetscErrorCode PetscSortedReal(PetscInt,const PetscReal[],PetscBool*); 2431 PETSC_EXTERN PetscErrorCode PetscSortInt(PetscInt,PetscInt[]); 2432 PETSC_EXTERN PetscErrorCode PetscSortReverseInt(PetscInt,PetscInt[]); 2433 PETSC_EXTERN PetscErrorCode PetscSortedRemoveDupsInt(PetscInt*,PetscInt[]); 2434 PETSC_EXTERN PetscErrorCode PetscSortRemoveDupsInt(PetscInt*,PetscInt[]); 2435 PETSC_EXTERN PetscErrorCode PetscCheckDupsInt(PetscInt,const PetscInt[],PetscBool*); 2436 PETSC_EXTERN PetscErrorCode PetscFindInt(PetscInt, PetscInt, const PetscInt[], PetscInt*); 2437 PETSC_EXTERN PetscErrorCode PetscFindMPIInt(PetscMPIInt, PetscInt, const PetscMPIInt[], PetscInt*); 2438 PETSC_EXTERN PetscErrorCode PetscSortIntWithPermutation(PetscInt,const PetscInt[],PetscInt[]); 2439 PETSC_EXTERN PetscErrorCode PetscSortStrWithPermutation(PetscInt,const char*[],PetscInt[]); 2440 PETSC_EXTERN PetscErrorCode PetscSortIntWithArray(PetscInt,PetscInt[],PetscInt[]); 2441 PETSC_EXTERN PetscErrorCode PetscSortIntWithArrayPair(PetscInt,PetscInt[],PetscInt[],PetscInt[]); 2442 PETSC_EXTERN PetscErrorCode PetscSortMPIInt(PetscInt,PetscMPIInt[]); 2443 PETSC_EXTERN PetscErrorCode PetscSortRemoveDupsMPIInt(PetscInt*,PetscMPIInt[]); 2444 PETSC_EXTERN PetscErrorCode PetscSortMPIIntWithArray(PetscMPIInt,PetscMPIInt[],PetscMPIInt[]); 2445 PETSC_EXTERN PetscErrorCode PetscSortMPIIntWithIntArray(PetscMPIInt,PetscMPIInt[],PetscInt[]); 2446 PETSC_EXTERN PetscErrorCode PetscSortIntWithScalarArray(PetscInt,PetscInt[],PetscScalar[]); 2447 PETSC_EXTERN PetscErrorCode PetscSortIntWithDataArray(PetscInt,PetscInt[],void*,size_t,void*); 2448 PETSC_EXTERN PetscErrorCode PetscSortReal(PetscInt,PetscReal[]); 2449 PETSC_EXTERN PetscErrorCode PetscSortRealWithArrayInt(PetscInt,PetscReal[],PetscInt[]); 2450 PETSC_EXTERN PetscErrorCode PetscSortRealWithPermutation(PetscInt,const PetscReal[],PetscInt[]); 2451 PETSC_EXTERN PetscErrorCode PetscSortRemoveDupsReal(PetscInt*,PetscReal[]); 2452 PETSC_EXTERN PetscErrorCode PetscFindReal(PetscReal,PetscInt,const PetscReal[],PetscReal,PetscInt*); 2453 PETSC_EXTERN PetscErrorCode PetscSortSplit(PetscInt,PetscInt,PetscScalar[],PetscInt[]); 2454 PETSC_EXTERN PetscErrorCode PetscSortSplitReal(PetscInt,PetscInt,PetscReal[],PetscInt[]); 2455 PETSC_EXTERN PetscErrorCode PetscProcessTree(PetscInt,const PetscBool [],const PetscInt[],PetscInt*,PetscInt**,PetscInt**,PetscInt**,PetscInt**); 2456 PETSC_EXTERN PetscErrorCode PetscMergeIntArrayPair(PetscInt,const PetscInt[],const PetscInt[],PetscInt,const PetscInt[],const PetscInt[],PetscInt*,PetscInt**,PetscInt**); 2457 PETSC_EXTERN PetscErrorCode PetscMergeIntArray(PetscInt,const PetscInt[],PetscInt,const PetscInt[],PetscInt*,PetscInt**); 2458 PETSC_EXTERN PetscErrorCode PetscMergeMPIIntArray(PetscInt,const PetscMPIInt[],PetscInt,const PetscMPIInt[],PetscInt*,PetscMPIInt**); 2459 PETSC_EXTERN PetscErrorCode PetscParallelSortedInt(MPI_Comm, PetscInt, const PetscInt[], PetscBool *); 2460 2461 PETSC_EXTERN PetscErrorCode PetscTimSort(PetscInt,void*,size_t,int(*)(const void*,const void*,void*),void*); 2462 PETSC_EXTERN PetscErrorCode PetscIntSortSemiOrdered(PetscInt,PetscInt[]); 2463 PETSC_EXTERN PetscErrorCode PetscMPIIntSortSemiOrdered(PetscInt,PetscMPIInt[]); 2464 PETSC_EXTERN PetscErrorCode PetscRealSortSemiOrdered(PetscInt,PetscReal[]); 2465 PETSC_EXTERN PetscErrorCode PetscTimSortWithArray(PetscInt,void*,size_t,void*,size_t,int(*)(const void*,const void*,void*),void*); 2466 PETSC_EXTERN PetscErrorCode PetscIntSortSemiOrderedWithArray(PetscInt,PetscInt[],PetscInt[]); 2467 PETSC_EXTERN PetscErrorCode PetscMPIIntSortSemiOrderedWithArray(PetscInt,PetscMPIInt[],PetscMPIInt[]); 2468 PETSC_EXTERN PetscErrorCode PetscRealSortSemiOrderedWithArrayInt(PetscInt,PetscReal[],PetscInt[]); 2469 2470 PETSC_EXTERN PetscErrorCode PetscSetDisplay(void); 2471 PETSC_EXTERN PetscErrorCode PetscGetDisplay(char[],size_t); 2472 2473 /*J 2474 PetscRandomType - String with the name of a PETSc randomizer 2475 2476 Level: beginner 2477 2478 Notes: 2479 To use SPRNG or RANDOM123 you must have ./configure PETSc 2480 with the option --download-sprng or --download-random123 2481 2482 .seealso: PetscRandomSetType(), PetscRandom, PetscRandomCreate() 2483 J*/ 2484 typedef const char* PetscRandomType; 2485 #define PETSCRAND "rand" 2486 #define PETSCRAND48 "rand48" 2487 #define PETSCSPRNG "sprng" 2488 #define PETSCRANDER48 "rander48" 2489 #define PETSCRANDOM123 "random123" 2490 2491 /* Logging support */ 2492 PETSC_EXTERN PetscClassId PETSC_RANDOM_CLASSID; 2493 2494 PETSC_EXTERN PetscErrorCode PetscRandomInitializePackage(void); 2495 2496 /* Dynamic creation and loading functions */ 2497 PETSC_EXTERN PetscFunctionList PetscRandomList; 2498 2499 PETSC_EXTERN PetscErrorCode PetscRandomRegister(const char[],PetscErrorCode (*)(PetscRandom)); 2500 PETSC_EXTERN PetscErrorCode PetscRandomSetType(PetscRandom, PetscRandomType); 2501 PETSC_EXTERN PetscErrorCode PetscRandomSetFromOptions(PetscRandom); 2502 PETSC_EXTERN PetscErrorCode PetscRandomGetType(PetscRandom, PetscRandomType*); 2503 PETSC_EXTERN PetscErrorCode PetscRandomViewFromOptions(PetscRandom,PetscObject,const char[]); 2504 PETSC_EXTERN PetscErrorCode PetscRandomView(PetscRandom,PetscViewer); 2505 2506 PETSC_EXTERN PetscErrorCode PetscRandomCreate(MPI_Comm,PetscRandom*); 2507 PETSC_EXTERN PetscErrorCode PetscRandomGetValue(PetscRandom,PetscScalar*); 2508 PETSC_EXTERN PetscErrorCode PetscRandomGetValueReal(PetscRandom,PetscReal*); 2509 PETSC_EXTERN PetscErrorCode PetscRandomGetInterval(PetscRandom,PetscScalar*,PetscScalar*); 2510 PETSC_EXTERN PetscErrorCode PetscRandomSetInterval(PetscRandom,PetscScalar,PetscScalar); 2511 PETSC_EXTERN PetscErrorCode PetscRandomSetSeed(PetscRandom,unsigned long); 2512 PETSC_EXTERN PetscErrorCode PetscRandomGetSeed(PetscRandom,unsigned long *); 2513 PETSC_EXTERN PetscErrorCode PetscRandomSeed(PetscRandom); 2514 PETSC_EXTERN PetscErrorCode PetscRandomDestroy(PetscRandom*); 2515 2516 PETSC_EXTERN PetscErrorCode PetscGetFullPath(const char[],char[],size_t); 2517 PETSC_EXTERN PetscErrorCode PetscGetRelativePath(const char[],char[],size_t); 2518 PETSC_EXTERN PetscErrorCode PetscGetWorkingDirectory(char[],size_t); 2519 PETSC_EXTERN PetscErrorCode PetscGetRealPath(const char[],char[]); 2520 PETSC_EXTERN PetscErrorCode PetscGetHomeDirectory(char[],size_t); 2521 PETSC_EXTERN PetscErrorCode PetscTestFile(const char[],char,PetscBool *); 2522 PETSC_EXTERN PetscErrorCode PetscTestDirectory(const char[],char,PetscBool *); 2523 PETSC_EXTERN PetscErrorCode PetscMkdir(const char[]); 2524 PETSC_EXTERN PetscErrorCode PetscMkdtemp(char[]); 2525 PETSC_EXTERN PetscErrorCode PetscRMTree(const char[]); 2526 2527 PETSC_STATIC_INLINE PetscBool PetscBinaryBigEndian(void) {long _petsc_v = 1; return ((char*)&_petsc_v)[0] ? PETSC_FALSE : PETSC_TRUE;} 2528 2529 PETSC_EXTERN PetscErrorCode PetscBinaryRead(int,void*,PetscInt,PetscInt*,PetscDataType); 2530 PETSC_EXTERN PetscErrorCode PetscBinarySynchronizedRead(MPI_Comm,int,void*,PetscInt,PetscInt*,PetscDataType); 2531 PETSC_EXTERN PetscErrorCode PetscBinaryWrite(int,const void*,PetscInt,PetscDataType); 2532 PETSC_EXTERN PetscErrorCode PetscBinarySynchronizedWrite(MPI_Comm,int,const void*,PetscInt,PetscDataType); 2533 PETSC_EXTERN PetscErrorCode PetscBinaryOpen(const char[],PetscFileMode,int *); 2534 PETSC_EXTERN PetscErrorCode PetscBinaryClose(int); 2535 PETSC_EXTERN PetscErrorCode PetscSharedTmp(MPI_Comm,PetscBool *); 2536 PETSC_EXTERN PetscErrorCode PetscSharedWorkingDirectory(MPI_Comm,PetscBool *); 2537 PETSC_EXTERN PetscErrorCode PetscGetTmp(MPI_Comm,char[],size_t); 2538 PETSC_EXTERN PetscErrorCode PetscFileRetrieve(MPI_Comm,const char[],char[],size_t,PetscBool *); 2539 PETSC_EXTERN PetscErrorCode PetscLs(MPI_Comm,const char[],char[],size_t,PetscBool *); 2540 #if defined(PETSC_USE_SOCKET_VIEWER) 2541 PETSC_EXTERN PetscErrorCode PetscOpenSocket(const char[],int,int*); 2542 #endif 2543 2544 PETSC_EXTERN PetscErrorCode PetscBinarySeek(int,off_t,PetscBinarySeekType,off_t*); 2545 PETSC_EXTERN PetscErrorCode PetscBinarySynchronizedSeek(MPI_Comm,int,off_t,PetscBinarySeekType,off_t*); 2546 PETSC_EXTERN PetscErrorCode PetscByteSwap(void *,PetscDataType,PetscInt); 2547 2548 PETSC_EXTERN PetscErrorCode PetscSetDebugTerminal(const char[]); 2549 PETSC_EXTERN PetscErrorCode PetscSetDebugger(const char[],PetscBool); 2550 PETSC_EXTERN PetscErrorCode PetscSetDefaultDebugger(void); 2551 PETSC_EXTERN PetscErrorCode PetscSetDebuggerFromString(const char*); 2552 PETSC_EXTERN PetscErrorCode PetscAttachDebugger(void); 2553 PETSC_EXTERN PetscErrorCode PetscStopForDebugger(void); 2554 PETSC_EXTERN PetscErrorCode PetscWaitOnError(void); 2555 2556 PETSC_EXTERN PetscErrorCode PetscGatherNumberOfMessages(MPI_Comm,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt*); 2557 PETSC_EXTERN PetscErrorCode PetscGatherMessageLengths(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**); 2558 PETSC_EXTERN PetscErrorCode PetscGatherMessageLengths2(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**,PetscMPIInt**); 2559 PETSC_EXTERN PetscErrorCode PetscPostIrecvInt(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscInt***,MPI_Request**); 2560 PETSC_EXTERN PetscErrorCode PetscPostIrecvScalar(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscScalar***,MPI_Request**); 2561 PETSC_EXTERN PetscErrorCode PetscCommBuildTwoSided(MPI_Comm,PetscMPIInt,MPI_Datatype,PetscMPIInt,const PetscMPIInt*,const void*,PetscMPIInt*,PetscMPIInt**,void*) 2562 PetscAttrMPIPointerWithType(6,3); 2563 PETSC_EXTERN PetscErrorCode PetscCommBuildTwoSidedF(MPI_Comm,PetscMPIInt,MPI_Datatype,PetscMPIInt,const PetscMPIInt[],const void*,PetscMPIInt*,PetscMPIInt**,void*,PetscMPIInt, 2564 PetscErrorCode (*send)(MPI_Comm,const PetscMPIInt[],PetscMPIInt,PetscMPIInt,void*,MPI_Request[],void*), 2565 PetscErrorCode (*recv)(MPI_Comm,const PetscMPIInt[],PetscMPIInt,void*,MPI_Request[],void*),void *ctx) 2566 PetscAttrMPIPointerWithType(6,3); 2567 PETSC_EXTERN PetscErrorCode PetscCommBuildTwoSidedFReq(MPI_Comm,PetscMPIInt,MPI_Datatype,PetscMPIInt,const PetscMPIInt[],const void*,PetscMPIInt*,PetscMPIInt**,void*,PetscMPIInt, 2568 MPI_Request**,MPI_Request**, 2569 PetscErrorCode (*send)(MPI_Comm,const PetscMPIInt[],PetscMPIInt,PetscMPIInt,void*,MPI_Request[],void*), 2570 PetscErrorCode (*recv)(MPI_Comm,const PetscMPIInt[],PetscMPIInt,void*,MPI_Request[],void*),void *ctx) 2571 PetscAttrMPIPointerWithType(6,3); 2572 2573 PETSC_EXTERN const char *const PetscBuildTwoSidedTypes[]; 2574 PETSC_EXTERN PetscErrorCode PetscCommBuildTwoSidedSetType(MPI_Comm,PetscBuildTwoSidedType); 2575 PETSC_EXTERN PetscErrorCode PetscCommBuildTwoSidedGetType(MPI_Comm,PetscBuildTwoSidedType*); 2576 2577 PETSC_EXTERN PetscErrorCode PetscSSEIsEnabled(MPI_Comm,PetscBool*,PetscBool*); 2578 2579 PETSC_EXTERN MPI_Comm PetscObjectComm(PetscObject); 2580 2581 PETSC_EXTERN const char *const PetscSubcommTypes[]; 2582 2583 struct _n_PetscSubcomm { 2584 MPI_Comm parent; /* parent communicator */ 2585 MPI_Comm dupparent; /* duplicate parent communicator, under which the processors of this subcomm have contiguous rank */ 2586 MPI_Comm child; /* the sub-communicator */ 2587 PetscMPIInt n; /* num of subcommunicators under the parent communicator */ 2588 PetscMPIInt color; /* color of processors belong to this communicator */ 2589 PetscMPIInt *subsize; /* size of subcommunicator[color] */ 2590 PetscSubcommType type; 2591 char *subcommprefix; 2592 }; 2593 2594 PETSC_STATIC_INLINE MPI_Comm PetscSubcommParent(PetscSubcomm scomm) {return scomm->parent;} 2595 PETSC_STATIC_INLINE MPI_Comm PetscSubcommChild(PetscSubcomm scomm) {return scomm->child;} 2596 PETSC_STATIC_INLINE MPI_Comm PetscSubcommContiguousParent(PetscSubcomm scomm) {return scomm->dupparent;} 2597 PETSC_EXTERN PetscErrorCode PetscSubcommCreate(MPI_Comm,PetscSubcomm*); 2598 PETSC_EXTERN PetscErrorCode PetscSubcommDestroy(PetscSubcomm*); 2599 PETSC_EXTERN PetscErrorCode PetscSubcommSetNumber(PetscSubcomm,PetscInt); 2600 PETSC_EXTERN PetscErrorCode PetscSubcommSetType(PetscSubcomm,PetscSubcommType); 2601 PETSC_EXTERN PetscErrorCode PetscSubcommSetTypeGeneral(PetscSubcomm,PetscMPIInt,PetscMPIInt); 2602 PETSC_EXTERN PetscErrorCode PetscSubcommView(PetscSubcomm,PetscViewer); 2603 PETSC_EXTERN PetscErrorCode PetscSubcommSetFromOptions(PetscSubcomm); 2604 PETSC_EXTERN PetscErrorCode PetscSubcommSetOptionsPrefix(PetscSubcomm,const char[]); 2605 PETSC_EXTERN PetscErrorCode PetscSubcommGetParent(PetscSubcomm,MPI_Comm*); 2606 PETSC_EXTERN PetscErrorCode PetscSubcommGetContiguousParent(PetscSubcomm,MPI_Comm*); 2607 PETSC_EXTERN PetscErrorCode PetscSubcommGetChild(PetscSubcomm,MPI_Comm*); 2608 2609 PETSC_EXTERN PetscErrorCode PetscHeapCreate(PetscInt,PetscHeap*); 2610 PETSC_EXTERN PetscErrorCode PetscHeapAdd(PetscHeap,PetscInt,PetscInt); 2611 PETSC_EXTERN PetscErrorCode PetscHeapPop(PetscHeap,PetscInt*,PetscInt*); 2612 PETSC_EXTERN PetscErrorCode PetscHeapPeek(PetscHeap,PetscInt*,PetscInt*); 2613 PETSC_EXTERN PetscErrorCode PetscHeapStash(PetscHeap,PetscInt,PetscInt); 2614 PETSC_EXTERN PetscErrorCode PetscHeapUnstash(PetscHeap); 2615 PETSC_EXTERN PetscErrorCode PetscHeapDestroy(PetscHeap*); 2616 PETSC_EXTERN PetscErrorCode PetscHeapView(PetscHeap,PetscViewer); 2617 2618 PETSC_EXTERN PetscErrorCode PetscProcessPlacementView(PetscViewer); 2619 PETSC_EXTERN PetscErrorCode PetscShmCommGet(MPI_Comm,PetscShmComm*); 2620 PETSC_EXTERN PetscErrorCode PetscShmCommGlobalToLocal(PetscShmComm,PetscMPIInt,PetscMPIInt*); 2621 PETSC_EXTERN PetscErrorCode PetscShmCommLocalToGlobal(PetscShmComm,PetscMPIInt,PetscMPIInt*); 2622 PETSC_EXTERN PetscErrorCode PetscShmCommGetMpiShmComm(PetscShmComm,MPI_Comm*); 2623 2624 /* routines to better support OpenMP multithreading needs of some PETSc third party libraries */ 2625 PETSC_EXTERN PetscErrorCode PetscOmpCtrlCreate(MPI_Comm,PetscInt,PetscOmpCtrl*); 2626 PETSC_EXTERN PetscErrorCode PetscOmpCtrlGetOmpComms(PetscOmpCtrl,MPI_Comm*,MPI_Comm*,PetscBool*); 2627 PETSC_EXTERN PetscErrorCode PetscOmpCtrlDestroy(PetscOmpCtrl*); 2628 PETSC_EXTERN PetscErrorCode PetscOmpCtrlBarrier(PetscOmpCtrl); 2629 PETSC_EXTERN PetscErrorCode PetscOmpCtrlOmpRegionOnMasterBegin(PetscOmpCtrl); 2630 PETSC_EXTERN PetscErrorCode PetscOmpCtrlOmpRegionOnMasterEnd(PetscOmpCtrl); 2631 2632 PETSC_EXTERN PetscErrorCode PetscSegBufferCreate(size_t,size_t,PetscSegBuffer*); 2633 PETSC_EXTERN PetscErrorCode PetscSegBufferDestroy(PetscSegBuffer*); 2634 PETSC_EXTERN PetscErrorCode PetscSegBufferGet(PetscSegBuffer,size_t,void*); 2635 PETSC_EXTERN PetscErrorCode PetscSegBufferExtractAlloc(PetscSegBuffer,void*); 2636 PETSC_EXTERN PetscErrorCode PetscSegBufferExtractTo(PetscSegBuffer,void*); 2637 PETSC_EXTERN PetscErrorCode PetscSegBufferExtractInPlace(PetscSegBuffer,void*); 2638 PETSC_EXTERN PetscErrorCode PetscSegBufferGetSize(PetscSegBuffer,size_t*); 2639 PETSC_EXTERN PetscErrorCode PetscSegBufferUnuse(PetscSegBuffer,size_t); 2640 2641 2642 /* Type-safe wrapper to encourage use of PETSC_RESTRICT. Does not use PetscFunctionBegin because the error handling 2643 * prevents the compiler from completely erasing the stub. This is called in inner loops so it has to be as fast as 2644 * possible. */ 2645 PETSC_STATIC_INLINE PetscErrorCode PetscSegBufferGetInts(PetscSegBuffer seg,size_t count,PetscInt *PETSC_RESTRICT *slot) {return PetscSegBufferGet(seg,count,(void**)slot);} 2646 2647 extern PetscOptionsHelpPrinted PetscOptionsHelpPrintedSingleton; 2648 PETSC_EXTERN PetscErrorCode PetscOptionsHelpPrintedDestroy(PetscOptionsHelpPrinted*); 2649 PETSC_EXTERN PetscErrorCode PetscOptionsHelpPrintedCreate(PetscOptionsHelpPrinted*); 2650 PETSC_EXTERN PetscErrorCode PetscOptionsHelpPrintedCheck(PetscOptionsHelpPrinted,const char*,const char*,PetscBool*); 2651 2652 #include <stdarg.h> 2653 PETSC_EXTERN PetscErrorCode PetscVSNPrintf(char*,size_t,const char[],size_t*,va_list); 2654 PETSC_EXTERN PetscErrorCode (*PetscVFPrintf)(FILE*,const char[],va_list); 2655 2656 PETSC_EXTERN PetscSegBuffer PetscCitationsList; 2657 2658 /*@C 2659 PetscCitationsRegister - Register a bibtex item to obtain credit for an implemented algorithm used in the code. 2660 2661 Not Collective - only what is registered on rank 0 of PETSC_COMM_WORLD will be printed 2662 2663 Input Parameters: 2664 + cite - the bibtex item, formated to displayed on multiple lines nicely 2665 - set - a boolean variable initially set to PETSC_FALSE; this is used to insure only a single registration of the citation 2666 2667 Level: intermediate 2668 2669 Not available from Fortran 2670 2671 Options Database: 2672 . -citations [filename] - print out the bibtex entries for the given computation 2673 @*/ 2674 PETSC_STATIC_INLINE PetscErrorCode PetscCitationsRegister(const char cit[],PetscBool *set) 2675 { 2676 size_t len; 2677 char *vstring; 2678 PetscErrorCode ierr; 2679 2680 PetscFunctionBegin; 2681 if (set && *set) PetscFunctionReturn(0); 2682 ierr = PetscStrlen(cit,&len);CHKERRQ(ierr); 2683 ierr = PetscSegBufferGet(PetscCitationsList,len,&vstring);CHKERRQ(ierr); 2684 ierr = PetscArraycpy(vstring,cit,len);CHKERRQ(ierr); 2685 if (set) *set = PETSC_TRUE; 2686 PetscFunctionReturn(0); 2687 } 2688 2689 PETSC_EXTERN PetscErrorCode PetscURLShorten(const char[],char[],size_t); 2690 PETSC_EXTERN PetscErrorCode PetscGoogleDriveAuthorize(MPI_Comm,char[],char[],size_t); 2691 PETSC_EXTERN PetscErrorCode PetscGoogleDriveRefresh(MPI_Comm,const char[],char[],size_t); 2692 PETSC_EXTERN PetscErrorCode PetscGoogleDriveUpload(MPI_Comm,const char[],const char []); 2693 2694 PETSC_EXTERN PetscErrorCode PetscBoxAuthorize(MPI_Comm,char[],char[],size_t); 2695 PETSC_EXTERN PetscErrorCode PetscBoxRefresh(MPI_Comm,const char[],char[],char[],size_t); 2696 2697 PETSC_EXTERN PetscErrorCode PetscGlobusGetTransfers(MPI_Comm,const char[],char[],size_t); 2698 2699 PETSC_EXTERN PetscErrorCode PetscTextBelt(MPI_Comm,const char[],const char[],PetscBool*); 2700 PETSC_EXTERN PetscErrorCode PetscTellMyCell(MPI_Comm,const char[],const char[],PetscBool*); 2701 2702 PETSC_EXTERN PetscErrorCode PetscPullJSONValue(const char[],const char[],char[],size_t,PetscBool*); 2703 PETSC_EXTERN PetscErrorCode PetscPushJSONValue(char[],const char[],const char[],size_t); 2704 2705 2706 #if defined(PETSC_USE_DEBUG) 2707 /* 2708 Verify that all processes in the communicator have called this from the same line of code 2709 */ 2710 PETSC_EXTERN PetscErrorCode PetscAllreduceBarrierCheck(MPI_Comm,PetscMPIInt,int,const char*,const char *); 2711 2712 /*MC 2713 MPIU_Allreduce - a PETSc replacement for MPI_Allreduce() that tries to determine if the call from all the MPI processes occur from the 2714 same place in the PETSc code. This helps to detect bugs where different MPI processes follow different code paths 2715 resulting in inconsistent and incorrect calls to MPI_Allreduce(). 2716 2717 Collective 2718 2719 Synopsis: 2720 #include <petscsys.h> 2721 PetscErrorCode MPIU_Allreduce(void *indata,void *outdata,PetscMPIInt count,MPI_Datatype datatype, MPI_Op op, MPI_Comm comm); 2722 2723 Input Parameters: 2724 + indata - pointer to the input data to be reduced 2725 . count - the number of MPI data items in indata and outdata 2726 . datatype - the MPI datatype, for example MPI_INT 2727 . op - the MPI operation, for example MPI_SUM 2728 - comm - the MPI communicator on which the operation occurs 2729 2730 Output Parameter: 2731 . outdata - the reduced values 2732 2733 Notes: 2734 In optimized mode this directly calls MPI_Allreduce() 2735 2736 Level: developer 2737 2738 .seealso: MPI_Allreduce() 2739 M*/ 2740 #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)) 2741 #else 2742 #define MPIU_Allreduce(a,b,c,d,e,fcomm) MPI_Allreduce(a,b,c,d,e,fcomm) 2743 #endif 2744 2745 #if defined(PETSC_HAVE_MPI_PROCESS_SHARED_MEMORY) 2746 PETSC_EXTERN PetscErrorCode MPIU_Win_allocate_shared(MPI_Aint,PetscMPIInt,MPI_Info,MPI_Comm,void*,MPI_Win*); 2747 PETSC_EXTERN PetscErrorCode MPIU_Win_shared_query(MPI_Win,PetscMPIInt,MPI_Aint*,PetscMPIInt*,void*); 2748 #endif 2749 2750 /* 2751 Returned from PETSc functions that are called from MPI, such as related to attributes 2752 */ 2753 PETSC_EXTERN PetscMPIInt PETSC_MPI_ERROR_CLASS; 2754 PETSC_EXTERN PetscMPIInt PETSC_MPI_ERROR_CODE; 2755 2756 #endif 2757