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 in the conf/variables definition of PETSC_INCLUDE 12 */ 13 #include "petscconf.h" 14 #include "petscfix.h" 15 16 /* ========================================================================== */ 17 /* 18 This facilitates using C version of PETSc from C++ and 19 C++ version from C. Use --with-c-support --with-clanguage=c++ with ./configure for the latter) 20 */ 21 #if defined(PETSC_CLANGUAGE_CXX) && !defined(PETSC_USE_EXTERN_CXX) && !defined(__cplusplus) 22 #error "PETSc configured with --with-clanguage=c++ and NOT --with-c-support - it can be used only with a C++ compiler" 23 #endif 24 25 #if defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus) 26 #define PETSC_EXTERN_CXX_BEGIN extern "C" { 27 #define PETSC_EXTERN_CXX_END } 28 #else 29 #define PETSC_EXTERN_CXX_BEGIN 30 #define PETSC_EXTERN_CXX_END 31 #endif 32 /* ========================================================================== */ 33 /* 34 Current PETSc version number and release date. Also listed in 35 Web page 36 src/docs/tex/manual/intro.tex, 37 src/docs/tex/manual/manual.tex. 38 src/docs/website/index.html. 39 */ 40 #include "petscversion.h" 41 #define PETSC_AUTHOR_INFO "\ 42 The PETSc Team\n\ 43 petsc-maint@mcs.anl.gov\n\ 44 http://www.mcs.anl.gov/petsc/\n" 45 #if (PETSC_VERSION_RELEASE == 1) 46 #define PetscGetVersion(version,len) (PetscSNPrintf(version,len,"Petsc Release Version %d.%d.%d, Patch %d, ", \ 47 PETSC_VERSION_MAJOR,PETSC_VERSION_MINOR, PETSC_VERSION_SUBMINOR, \ 48 PETSC_VERSION_PATCH),PetscStrcat(version,PETSC_VERSION_PATCH_DATE)) 49 #else 50 #define PetscGetVersion(version,len) (PetscSNPrintf(version,len,"Petsc Development"), \ 51 PetscStrcat(version," HG revision: "),PetscStrcat(version,PETSC_VERSION_HG), \ 52 PetscStrcat(version," HG Date: "),PetscStrcat(version,PETSC_VERSION_DATE_HG)) 53 #endif 54 55 /*MC 56 PetscGetVersion - Gets the PETSc version information in a string. 57 58 Input Parameter: 59 . len - length of the string 60 61 Output Parameter: 62 . version - version string 63 64 Level: developer 65 66 Usage: 67 char version[256]; 68 ierr = PetscGetVersion(version,256);CHKERRQ(ierr) 69 70 Fortran Note: 71 This routine is not supported in Fortran. 72 73 .seealso: PetscGetProgramName() 74 75 M*/ 76 77 /* ========================================================================== */ 78 79 /* 80 Currently cannot check formatting for PETSc print statements because we have our 81 own format %D and %G 82 */ 83 #undef PETSC_PRINTF_FORMAT_CHECK 84 #define PETSC_PRINTF_FORMAT_CHECK(a,b) 85 #undef PETSC_FPRINTF_FORMAT_CHECK 86 #define PETSC_FPRINTF_FORMAT_CHECK(a,b) 87 88 /* 89 Fixes for ./configure time choices which impact our interface. Currently only 90 calling conventions and extra compiler checking falls under this category. 91 */ 92 #if !defined(PETSC_STDCALL) 93 #define PETSC_STDCALL 94 #endif 95 #if !defined(PETSC_TEMPLATE) 96 #define PETSC_TEMPLATE 97 #endif 98 #if !defined(PETSC_HAVE_DLL_EXPORT) 99 #define PETSC_DLL_EXPORT 100 #define PETSC_DLL_IMPORT 101 #endif 102 #if !defined(PETSC_DLLEXPORT) 103 #define PETSC_DLLEXPORT 104 #endif 105 #if !defined(PETSCVEC_DLLEXPORT) 106 #define PETSCVEC_DLLEXPORT 107 #endif 108 #if !defined(PETSCMAT_DLLEXPORT) 109 #define PETSCMAT_DLLEXPORT 110 #endif 111 #if !defined(PETSCDM_DLLEXPORT) 112 #define PETSCDM_DLLEXPORT 113 #endif 114 #if !defined(PETSCKSP_DLLEXPORT) 115 #define PETSCKSP_DLLEXPORT 116 #endif 117 #if !defined(PETSCSNES_DLLEXPORT) 118 #define PETSCSNES_DLLEXPORT 119 #endif 120 #if !defined(PETSCTS_DLLEXPORT) 121 #define PETSCTS_DLLEXPORT 122 #endif 123 #if !defined(PETSCFORTRAN_DLLEXPORT) 124 #define PETSCFORTRAN_DLLEXPORT 125 #endif 126 /* ========================================================================== */ 127 128 /* 129 Defines the interface to MPI allowing the use of all MPI functions. 130 131 PETSc does not use the C++ binding of MPI at ALL. The following flag 132 makes sure the C++ bindings are not included. The C++ bindings REQUIRE 133 putting mpi.h before ANY C++ include files, we cannot control this 134 with all PETSc users. Users who want to use the MPI C++ bindings can include 135 mpicxx.h directly in their code 136 */ 137 #define MPICH_SKIP_MPICXX 1 138 #define OMPI_SKIP_MPICXX 1 139 #include "mpi.h" 140 141 /* 142 Yuck, we need to put stdio.h AFTER mpi.h for MPICH2 with C++ compiler 143 see the top of mpicxx.h in the MPICH2 distribution. 144 145 The MPI STANDARD HAS TO BE CHANGED to prevent this nonsense. 146 */ 147 #include <stdio.h> 148 149 /* MSMPI on 32bit windows requires this yukky hack - that breaks MPI standard compliance */ 150 #if !defined(MPIAPI) 151 #define MPIAPI 152 #endif 153 154 /*MC 155 PetscErrorCode - datatype used for return error code from all PETSc functions 156 157 Level: beginner 158 159 .seealso: CHKERRQ, SETERRQ 160 M*/ 161 typedef int PetscErrorCode; 162 163 /*MC 164 165 PetscClassId - A unique id used to identify each PETSc class. 166 (internal integer in the data structure used for error 167 checking). These are all defined by an offset from the lowest 168 one, PETSC_SMALLEST_CLASSID. 169 170 Level: advanced 171 172 .seealso: PetscClassIdRegister(), PetscLogEventRegister(), PetscHeaderCreate() 173 M*/ 174 typedef int PetscClassId; 175 176 /*MC 177 PetscLogEvent - id used to identify PETSc or user events which timed portions (blocks of executable) 178 code. 179 180 Level: intermediate 181 182 .seealso: PetscLogEventRegister(), PetscLogEventBegin(), PetscLogEventEnd(), PetscLogStage 183 M*/ 184 typedef int PetscLogEvent; 185 186 /*MC 187 PetscLogStage - id used to identify user stages (phases, sections) of runs - for logging 188 189 Level: intermediate 190 191 .seealso: PetscLogStageRegister(), PetscLogStageBegin(), PetscLogStageEnd(), PetscLogEvent 192 M*/ 193 typedef int PetscLogStage; 194 195 /*MC 196 PetscBLASInt - datatype used to represent 'int' parameters to BLAS/LAPACK functions. 197 198 Level: intermediate 199 200 Notes: usually this is the same as PetscInt, but if PETSc was built with --with-64-bit-indices but 201 standard C/Fortran integers are 32 bit then this is NOT the same as PetscInt it remains 32 bit 202 (except on very rare BLAS/LAPACK implementations that support 64 bit integers). 203 204 PetscBLASIntCheck(a) checks if the given PetscInt a will fit in a PetscBLASInt, if not it generates a 205 PETSC_ERR_ARG_OUTOFRANGE. 206 207 PetscBLASInt b = PetscBLASIntCast(a) checks if the given PetscInt a will fit in a PetscBLASInt, if not it 208 generates a PETSC_ERR_ARG_OUTOFRANGE 209 210 .seealso: PetscMPIInt, PetscInt 211 212 M*/ 213 typedef int PetscBLASInt; 214 215 /*MC 216 PetscMPIInt - datatype used to represent 'int' parameters to MPI functions. 217 218 Level: intermediate 219 220 Notes: usually this is the same as PetscInt, but if PETSc was built with --with-64-bit-indices but 221 standard C/Fortran integers are 32 bit then this is NOT the same as PetscInt it remains 32 bit 222 223 PetscMPIIntCheck(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it generates a 224 PETSC_ERR_ARG_OUTOFRANGE. 225 226 PetscMPIInt b = PetscMPIIntCast(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it 227 generates a PETSC_ERR_ARG_OUTOFRANGE 228 229 .seealso: PetscBLASInt, PetscInt 230 231 M*/ 232 typedef int PetscMPIInt; 233 234 /*MC 235 PetscEnum - datatype used to pass enum types within PETSc functions. 236 237 Level: intermediate 238 239 PetscMPIIntCheck(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it generates a 240 PETSC_ERR_ARG_OUTOFRANGE. 241 242 PetscMPIInt b = PetscMPIIntCast(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it 243 generates a PETSC_ERR_ARG_OUTOFRANGE 244 245 .seealso: PetscOptionsGetEnum(), PetscOptionsEnum(), PetscBagRegisterEnum() 246 M*/ 247 typedef enum { ENUM_DUMMY } PetscEnum; 248 249 /*MC 250 PetscInt - PETSc type that represents integer - used primarily to 251 represent size of arrays and indexing into arrays. Its size can be configured with the option 252 --with-64-bit-indices - to be either 32bit or 64bit [default 32 bit ints] 253 254 Level: intermediate 255 256 .seealso: PetscScalar, PetscBLASInt, PetscMPIInt 257 M*/ 258 #if defined(PETSC_USE_64BIT_INDICES) 259 typedef long long PetscInt; 260 #define MPIU_INT MPI_LONG_LONG_INT 261 #else 262 typedef int PetscInt; 263 #define MPIU_INT MPI_INT 264 #endif 265 266 /* 267 For the rare cases when one needs to send a size_t object with MPI 268 */ 269 #if (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_INT) 270 #define MPIU_SIZE_T MPI_INT 271 #elif (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_LONG) 272 #define MPIU_SIZE_T MPI_LONG 273 #elif (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_LONG_LONG) 274 #define MPIU_SIZE_T MPI_LONG_LONG_INT 275 #else 276 #error "Unknown size for size_t! Send us a bugreport at petsc-maint@mcs.anl.gov" 277 #endif 278 279 280 /* 281 You can use PETSC_STDOUT as a replacement of stdout. You can also change 282 the value of PETSC_STDOUT to redirect all standard output elsewhere 283 */ 284 285 extern FILE* PETSC_STDOUT; 286 287 /* 288 You can use PETSC_STDERR as a replacement of stderr. You can also change 289 the value of PETSC_STDERR to redirect all standard error elsewhere 290 */ 291 extern FILE* PETSC_STDERR; 292 293 /* 294 PETSC_ZOPEFD is used to send data to the PETSc webpage. It can be used 295 in conjunction with PETSC_STDOUT, or by itself. 296 */ 297 extern FILE* PETSC_ZOPEFD; 298 299 #if !defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus) 300 /*MC 301 PetscPolymorphicSubroutine - allows defining a C++ polymorphic version of 302 a PETSc function that remove certain optional arguments for a simplier user interface 303 304 Synopsis: 305 PetscPolymorphicSubroutine(Functionname,(arguments of C++ function),(arguments of C function)) 306 307 Not collective 308 309 Level: developer 310 311 Example: 312 PetscPolymorphicSubroutine(VecNorm,(Vec x,PetscReal *r),(x,NORM_2,r)) generates the new routine 313 PetscErrorCode VecNorm(Vec x,PetscReal *r) = VecNorm(x,NORM_2,r) 314 315 .seealso: PetscPolymorphicFunction() 316 317 M*/ 318 #define PetscPolymorphicSubroutine(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {return A C;} 319 320 /*MC 321 PetscPolymorphicScalar - allows defining a C++ polymorphic version of 322 a PETSc function that replaces a PetscScalar * argument with a PetscScalar argument 323 324 Synopsis: 325 PetscPolymorphicScalar(Functionname,(arguments of C++ function),(arguments of C function)) 326 327 Not collective 328 329 Level: developer 330 331 Example: 332 PetscPolymorphicScalar(VecAXPY,(PetscScalar _val,Vec x,Vec y),(&_Val,x,y)) generates the new routine 333 PetscErrorCode VecAXPY(PetscScalar _val,Vec x,Vec y) = {PetscScalar _Val = _val; return VecAXPY(&_Val,x,y);} 334 335 .seealso: PetscPolymorphicFunction(),PetscPolymorphicSubroutine() 336 337 M*/ 338 #define PetscPolymorphicScalar(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {PetscScalar _Val = _val; return A C;} 339 340 /*MC 341 PetscPolymorphicFunction - allows defining a C++ polymorphic version of 342 a PETSc function that remove certain optional arguments for a simplier user interface 343 and returns the computed value (istead of an error code) 344 345 Synopsis: 346 PetscPolymorphicFunction(Functionname,(arguments of C++ function),(arguments of C function),return type,return variable name) 347 348 Not collective 349 350 Level: developer 351 352 Example: 353 PetscPolymorphicFunction(VecNorm,(Vec x,NormType t),(x,t,&r),PetscReal,r) generates the new routine 354 PetscReal VecNorm(Vec x,NormType t) = {PetscReal r; VecNorm(x,t,&r); return r;} 355 356 .seealso: PetscPolymorphicSubroutine() 357 358 M*/ 359 #define PetscPolymorphicFunction(A,B,C,D,E) PETSC_STATIC_INLINE D A B {D E; A C;return E;} 360 361 #else 362 #define PetscPolymorphicSubroutine(A,B,C) 363 #define PetscPolymorphicScalar(A,B,C) 364 #define PetscPolymorphicFunction(A,B,C,D,E) 365 #endif 366 367 /*MC 368 PetscUnlikely - hints the compiler that the given condition is usually FALSE 369 370 Synopsis: 371 PetscTruth PetscUnlikely(PetscTruth cond) 372 373 Not Collective 374 375 Input Parameters: 376 . cond - condition or expression 377 378 Note: This returns the same truth value, it is only a hint to compilers that the resulting 379 branch is unlikely. 380 381 Level: advanced 382 383 .seealso: PetscLikely(), CHKERRQ 384 M*/ 385 386 /*MC 387 PetscLikely - hints the compiler that the given condition is usually TRUE 388 389 Synopsis: 390 PetscTruth PetscUnlikely(PetscTruth cond) 391 392 Not Collective 393 394 Input Parameters: 395 . cond - condition or expression 396 397 Note: This returns the same truth value, it is only a hint to compilers that the resulting 398 branch is likely. 399 400 Level: advanced 401 402 .seealso: PetscUnlikely() 403 M*/ 404 #if defined(PETSC_HAVE_BUILTIN_EXPECT) 405 # define PetscUnlikely(cond) __builtin_expect(!!(cond),0) 406 # define PetscLikely(cond) __builtin_expect(!!(cond),1) 407 #else 408 # define PetscUnlikely(cond) cond 409 # define PetscLikely(cond) cond 410 #endif 411 412 /* 413 Extern indicates a PETSc function defined elsewhere 414 */ 415 #if !defined(EXTERN) 416 #define EXTERN extern 417 #endif 418 419 /* 420 Defines some elementary mathematics functions and constants. 421 */ 422 #include "petscmath.h" 423 424 /* 425 Declare extern C stuff after including external header files 426 */ 427 428 PETSC_EXTERN_CXX_BEGIN 429 430 /* 431 Basic PETSc constants 432 */ 433 434 /*E 435 PetscTruth - Logical variable. Actually an int in C and a logical in Fortran. 436 437 Level: beginner 438 439 E*/ 440 typedef enum { PETSC_FALSE,PETSC_TRUE } PetscTruth; 441 extern const char *PetscTruths[]; 442 443 /*MC 444 PETSC_FALSE - False value of PetscTruth 445 446 Level: beginner 447 448 Note: Zero integer 449 450 .seealso: PetscTruth, PETSC_TRUE 451 M*/ 452 453 /*MC 454 PETSC_TRUE - True value of PetscTruth 455 456 Level: beginner 457 458 Note: Nonzero integer 459 460 .seealso: PetscTruth, PETSC_FALSE 461 M*/ 462 463 /*MC 464 PETSC_YES - Alias for PETSC_TRUE 465 466 Level: beginner 467 468 Note: Zero integer 469 470 .seealso: PetscTruth, PETSC_TRUE, PETSC_FALSE, PETSC_NO 471 M*/ 472 #define PETSC_YES PETSC_TRUE 473 474 /*MC 475 PETSC_NO - Alias for PETSC_FALSE 476 477 Level: beginner 478 479 Note: Nonzero integer 480 481 .seealso: PetscTruth, PETSC_TRUE, PETSC_FALSE, PETSC_YES 482 M*/ 483 #define PETSC_NO PETSC_FALSE 484 485 /*MC 486 PETSC_NULL - standard way of passing in a null or array or pointer 487 488 Level: beginner 489 490 Notes: accepted by many PETSc functions to not set a parameter and instead use 491 some default 492 493 This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, 494 PETSC_NULL_DOUBLE_PRECISION, PETSC_NULL_FUNCTION, PETSC_NULL_OBJECT etc 495 496 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE 497 498 M*/ 499 #define PETSC_NULL 0 500 501 /*MC 502 PETSC_DECIDE - standard way of passing in integer or floating point parameter 503 where you wish PETSc to use the default. 504 505 Level: beginner 506 507 .seealso: PETSC_NULL, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE 508 509 M*/ 510 #define PETSC_DECIDE -1 511 512 /*MC 513 PETSC_DEFAULT - standard way of passing in integer or floating point parameter 514 where you wish PETSc to use the default. 515 516 Level: beginner 517 518 Fortran Notes: You need to use PETSC_DEFAULT_INTEGER or PETSC_DEFAULT_DOUBLE_PRECISION. 519 520 .seealso: PETSC_DECIDE, PETSC_NULL, PETSC_IGNORE, PETSC_DETERMINE 521 522 M*/ 523 #define PETSC_DEFAULT -2 524 525 526 /*MC 527 PETSC_IGNORE - same as PETSC_NULL, means PETSc will ignore this argument 528 529 Level: beginner 530 531 Note: accepted by many PETSc functions to not set a parameter and instead use 532 some default 533 534 Fortran Notes: This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, 535 PETSC_NULL_DOUBLE_PRECISION etc 536 537 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_NULL, PETSC_DETERMINE 538 539 M*/ 540 #define PETSC_IGNORE PETSC_NULL 541 542 /*MC 543 PETSC_DETERMINE - standard way of passing in integer or floating point parameter 544 where you wish PETSc to compute the required value. 545 546 Level: beginner 547 548 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_NULL, VecSetSizes() 549 550 M*/ 551 #define PETSC_DETERMINE PETSC_DECIDE 552 553 /*MC 554 PETSC_COMM_WORLD - the equivalent of the MPI_COMM_WORLD communicator which represents 555 all the processs that PETSc knows about. 556 557 Level: beginner 558 559 Notes: By default PETSC_COMM_WORLD and MPI_COMM_WORLD are identical unless you wish to 560 run PETSc on ONLY a subset of MPI_COMM_WORLD. In that case create your new (smaller) 561 communicator, call it, say comm, and set PETSC_COMM_WORLD = comm BEFORE calling 562 PetscInitialize() 563 564 .seealso: PETSC_COMM_SELF 565 566 M*/ 567 extern MPI_Comm PETSC_COMM_WORLD; 568 569 /*MC 570 PETSC_COMM_SELF - This is always MPI_COMM_SELF 571 572 Level: beginner 573 574 .seealso: PETSC_COMM_WORLD 575 576 M*/ 577 #define PETSC_COMM_SELF MPI_COMM_SELF 578 579 extern PETSC_DLLEXPORT PetscTruth PetscInitializeCalled; 580 extern PETSC_DLLEXPORT PetscTruth PetscFinalizeCalled; 581 582 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetHelpVersionFunctions(PetscErrorCode (*)(MPI_Comm),PetscErrorCode (*)(MPI_Comm)); 583 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommDuplicate(MPI_Comm,MPI_Comm*,int*); 584 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommDestroy(MPI_Comm*); 585 586 /*MC 587 PetscMalloc - Allocates memory 588 589 Synopsis: 590 PetscErrorCode PetscMalloc(size_t m,void **result) 591 592 Not Collective 593 594 Input Parameter: 595 . m - number of bytes to allocate 596 597 Output Parameter: 598 . result - memory allocated 599 600 Level: beginner 601 602 Notes: Memory is always allocated at least double aligned 603 604 If you request memory of zero size it will allocate no space and assign the pointer to 0; PetscFree() will 605 properly handle not freeing the null pointer. 606 607 .seealso: PetscFree(), PetscNew() 608 609 Concepts: memory allocation 610 611 M*/ 612 #define PetscMalloc(a,b) ((a != 0) ? (*PetscTrMalloc)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__,(void**)(b)) : (*(b) = 0,0) ) 613 614 /*MC 615 PetscAddrAlign - Rounds up an address to PETSC_MEMALIGN alignment 616 617 Synopsis: 618 void *PetscAddrAlign(void *addr) 619 620 Not Collective 621 622 Input Parameters: 623 . addr - address to align (any pointer type) 624 625 Level: developer 626 627 .seealso: PetscMallocAlign() 628 629 Concepts: memory allocation 630 M*/ 631 #if defined PETSC_UINTPTR_T 632 # define PetscAddrAlign(a) (void*)((((PETSC_UINTPTR_T)(a))+(PETSC_MEMALIGN-1)) & ~(PETSC_MEMALIGN-1)) 633 #else 634 # define PetscAddrAlign(a) (void*)(a) 635 #endif 636 637 /*MC 638 PetscMalloc2 - Allocates 2 chunks of memory both aligned to PETSC_MEMALIGN 639 640 Synopsis: 641 PetscErrorCode PetscMalloc2(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2) 642 643 Not Collective 644 645 Input Parameter: 646 + m1 - number of elements to allocate in 1st chunk (may be zero) 647 . t1 - type of first memory elements 648 . m2 - number of elements to allocate in 2nd chunk (may be zero) 649 - t2 - type of second memory elements 650 651 Output Parameter: 652 + r1 - memory allocated in first chunk 653 - r2 - memory allocated in second chunk 654 655 Level: developer 656 657 .seealso: PetscFree(), PetscNew(), PetscMalloc() 658 659 Concepts: memory allocation 660 661 M*/ 662 #if defined(PETSC_USE_DEBUG) 663 #define PetscMalloc2(m1,t1,r1,m2,t2,r2) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2)) 664 #else 665 #define PetscMalloc2(m1,t1,r1,m2,t2,r2) ((*(r2) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(PETSC_MEMALIGN-1),r1)) \ 666 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),0)) 667 #endif 668 669 /*MC 670 PetscMalloc3 - Allocates 3 chunks of memory all aligned to PETSC_MEMALIGN 671 672 Synopsis: 673 PetscErrorCode PetscMalloc3(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3) 674 675 Not Collective 676 677 Input Parameter: 678 + m1 - number of elements to allocate in 1st chunk (may be zero) 679 . t1 - type of first memory elements 680 . m2 - number of elements to allocate in 2nd chunk (may be zero) 681 . t2 - type of second memory elements 682 . m3 - number of elements to allocate in 3rd chunk (may be zero) 683 - t3 - type of third memory elements 684 685 Output Parameter: 686 + r1 - memory allocated in first chunk 687 . r2 - memory allocated in second chunk 688 - r3 - memory allocated in third chunk 689 690 Level: developer 691 692 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3() 693 694 Concepts: memory allocation 695 696 M*/ 697 #if defined(PETSC_USE_DEBUG) 698 #define PetscMalloc3(m1,t1,r1,m2,t2,r2,m3,t3,r3) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3)) 699 #else 700 #define PetscMalloc3(m1,t1,r1,m2,t2,r2,m3,t3,r3) ((*(r2) = 0,*(r3) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+2*(PETSC_MEMALIGN-1),r1)) \ 701 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),0)) 702 #endif 703 704 /*MC 705 PetscMalloc4 - Allocates 4 chunks of memory all aligned to PETSC_MEMALIGN 706 707 Synopsis: 708 PetscErrorCode PetscMalloc4(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4) 709 710 Not Collective 711 712 Input Parameter: 713 + m1 - number of elements to allocate in 1st chunk (may be zero) 714 . t1 - type of first memory elements 715 . m2 - number of elements to allocate in 2nd chunk (may be zero) 716 . t2 - type of second memory elements 717 . m3 - number of elements to allocate in 3rd chunk (may be zero) 718 . t3 - type of third memory elements 719 . m4 - number of elements to allocate in 4th chunk (may be zero) 720 - t4 - type of fourth memory elements 721 722 Output Parameter: 723 + r1 - memory allocated in first chunk 724 . r2 - memory allocated in second chunk 725 . r3 - memory allocated in third chunk 726 - r4 - memory allocated in fourth chunk 727 728 Level: developer 729 730 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4() 731 732 Concepts: memory allocation 733 734 M*/ 735 #if defined(PETSC_USE_DEBUG) 736 #define PetscMalloc4(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4)) 737 #else 738 #define PetscMalloc4(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4) \ 739 ((*(r2) = 0, *(r3) = 0, *(r4) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+3*(PETSC_MEMALIGN-1),r1)) \ 740 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),0)) 741 #endif 742 743 /*MC 744 PetscMalloc5 - Allocates 5 chunks of memory all aligned to PETSC_MEMALIGN 745 746 Synopsis: 747 PetscErrorCode PetscMalloc5(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4,size_t m5,type t5,void **r5) 748 749 Not Collective 750 751 Input Parameter: 752 + m1 - number of elements to allocate in 1st chunk (may be zero) 753 . t1 - type of first memory elements 754 . m2 - number of elements to allocate in 2nd chunk (may be zero) 755 . t2 - type of second memory elements 756 . m3 - number of elements to allocate in 3rd chunk (may be zero) 757 . t3 - type of third memory elements 758 . m4 - number of elements to allocate in 4th chunk (may be zero) 759 . t4 - type of fourth memory elements 760 . m5 - number of elements to allocate in 5th chunk (may be zero) 761 - t5 - type of fifth memory elements 762 763 Output Parameter: 764 + r1 - memory allocated in first chunk 765 . r2 - memory allocated in second chunk 766 . r3 - memory allocated in third chunk 767 . r4 - memory allocated in fourth chunk 768 - r5 - memory allocated in fifth chunk 769 770 Level: developer 771 772 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5() 773 774 Concepts: memory allocation 775 776 M*/ 777 #if defined(PETSC_USE_DEBUG) 778 #define PetscMalloc5(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4) || PetscMalloc((m5)*sizeof(t5),r5)) 779 #else 780 #define PetscMalloc5(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5) \ 781 ((*(r2) = 0, *(r3) = 0, *(r4) = 0,*(r5) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5)+4*(PETSC_MEMALIGN-1),r1)) \ 782 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),*(r5) = (t5*)PetscAddrAlign(*(r4)+m4),0)) 783 #endif 784 785 786 /*MC 787 PetscMalloc6 - Allocates 6 chunks of memory all aligned to PETSC_MEMALIGN 788 789 Synopsis: 790 PetscErrorCode PetscMalloc6(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4,size_t m5,type t5,void **r5,size_t m6,type t6,void **r6) 791 792 Not Collective 793 794 Input Parameter: 795 + m1 - number of elements to allocate in 1st chunk (may be zero) 796 . t1 - type of first memory elements 797 . m2 - number of elements to allocate in 2nd chunk (may be zero) 798 . t2 - type of second memory elements 799 . m3 - number of elements to allocate in 3rd chunk (may be zero) 800 . t3 - type of third memory elements 801 . m4 - number of elements to allocate in 4th chunk (may be zero) 802 . t4 - type of fourth memory elements 803 . m5 - number of elements to allocate in 5th chunk (may be zero) 804 . t5 - type of fifth memory elements 805 . m6 - number of elements to allocate in 6th chunk (may be zero) 806 - t6 - type of sixth memory elements 807 808 Output Parameter: 809 + r1 - memory allocated in first chunk 810 . r2 - memory allocated in second chunk 811 . r3 - memory allocated in third chunk 812 . r4 - memory allocated in fourth chunk 813 . r5 - memory allocated in fifth chunk 814 - r6 - memory allocated in sixth chunk 815 816 Level: developer 817 818 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6() 819 820 Concepts: memory allocation 821 822 M*/ 823 #if defined(PETSC_USE_DEBUG) 824 #define PetscMalloc6(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4) || PetscMalloc((m5)*sizeof(t5),r5) || PetscMalloc((m6)*sizeof(t6),r6)) 825 #else 826 #define PetscMalloc6(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6) \ 827 ((*(r2) = 0, *(r3) = 0, *(r4) = 0,*(r5) = 0,*(r6) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5)+(m6)*sizeof(t6)+5*(PETSC_MEMALIGN-1),r1)) \ 828 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),*(r5) = (t5*)PetscAddrAlign(*(r4)+m4),*(r6) = (t6*)PetscAddrAlign(*(r5)+m5),0)) 829 #endif 830 831 /*MC 832 PetscMalloc7 - Allocates 7 chunks of memory all aligned to PETSC_MEMALIGN 833 834 Synopsis: 835 PetscErrorCode PetscMalloc7(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4,size_t m5,type t5,void **r5,size_t m6,type t6,void **r6,size_t m7,type t7,void **r7) 836 837 Not Collective 838 839 Input Parameter: 840 + m1 - number of elements to allocate in 1st chunk (may be zero) 841 . t1 - type of first memory elements 842 . m2 - number of elements to allocate in 2nd chunk (may be zero) 843 . t2 - type of second memory elements 844 . m3 - number of elements to allocate in 3rd chunk (may be zero) 845 . t3 - type of third memory elements 846 . m4 - number of elements to allocate in 4th chunk (may be zero) 847 . t4 - type of fourth memory elements 848 . m5 - number of elements to allocate in 5th chunk (may be zero) 849 . t5 - type of fifth memory elements 850 . m6 - number of elements to allocate in 6th chunk (may be zero) 851 . t6 - type of sixth memory elements 852 . m7 - number of elements to allocate in 7th chunk (may be zero) 853 - t7 - type of sixth memory elements 854 855 Output Parameter: 856 + r1 - memory allocated in first chunk 857 . r2 - memory allocated in second chunk 858 . r3 - memory allocated in third chunk 859 . r4 - memory allocated in fourth chunk 860 . r5 - memory allocated in fifth chunk 861 . r6 - memory allocated in sixth chunk 862 - r7 - memory allocated in seventh chunk 863 864 Level: developer 865 866 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6(), PetscFree7() 867 868 Concepts: memory allocation 869 870 M*/ 871 #if defined(PETSC_USE_DEBUG) 872 #define PetscMalloc7(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6,m7,t7,r7) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4) || PetscMalloc((m5)*sizeof(t5),r5) || PetscMalloc((m6)*sizeof(t6),r6) || PetscMalloc((m7)*sizeof(t7),r7)) 873 #else 874 #define PetscMalloc7(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6,m7,t7,r7) \ 875 ((*(r2) = 0, *(r3) = 0, *(r4) = 0,*(r5) = 0,*(r6) = 0,*(r7) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5)+(m6)*sizeof(t6)+(m7)*sizeof(t7)+6*(PETSC_MEMALIGN-1),r1)) \ 876 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),*(r5) = (t5*)PetscAddrAlign(*(r4)+m4),*(r6) = (t6*)PetscAddrAlign(*(r5)+m5),*(r7) = (t7*)PetscAddrAlign(*(r6)+m6),0)) 877 #endif 878 879 /*MC 880 PetscNew - Allocates memory of a particular type, zeros the memory! Aligned to PETSC_MEMALIGN 881 882 Synopsis: 883 PetscErrorCode PetscNew(struct type,((type *))result) 884 885 Not Collective 886 887 Input Parameter: 888 . type - structure name of space to be allocated. Memory of size sizeof(type) is allocated 889 890 Output Parameter: 891 . result - memory allocated 892 893 Level: beginner 894 895 .seealso: PetscFree(), PetscMalloc() 896 897 Concepts: memory allocation 898 899 M*/ 900 #define PetscNew(A,b) (PetscMalloc(sizeof(A),(b)) || PetscMemzero(*(b),sizeof(A))) 901 #define PetscNewLog(o,A,b) (PetscNew(A,b) || ((o) ? PetscLogObjectMemory(o,sizeof(A)) : 0)) 902 903 /*MC 904 PetscFree - Frees memory 905 906 Synopsis: 907 PetscErrorCode PetscFree(void *memory) 908 909 Not Collective 910 911 Input Parameter: 912 . memory - memory to free (the pointer is ALWAYS set to 0 upon sucess) 913 914 Level: beginner 915 916 Notes: Memory must have been obtained with PetscNew() or PetscMalloc() 917 918 .seealso: PetscNew(), PetscMalloc(), PetscFreeVoid() 919 920 Concepts: memory allocation 921 922 M*/ 923 #define PetscFree(a) ((a) ? ((*PetscTrFree)((void*)(a),__LINE__,__FUNCT__,__FILE__,__SDIR__) || ((a = 0),0)) : 0) 924 925 /*MC 926 PetscFreeVoid - Frees memory 927 928 Synopsis: 929 void PetscFreeVoid(void *memory) 930 931 Not Collective 932 933 Input Parameter: 934 . memory - memory to free 935 936 Level: beginner 937 938 Notes: This is different from PetscFree() in that no error code is returned 939 940 .seealso: PetscFree(), PetscNew(), PetscMalloc() 941 942 Concepts: memory allocation 943 944 M*/ 945 #define PetscFreeVoid(a) ((*PetscTrFree)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__),(a) = 0) 946 947 948 /*MC 949 PetscFree2 - Frees 2 chunks of memory obtained with PetscMalloc2() 950 951 Synopsis: 952 PetscErrorCode PetscFree2(void *memory1,void *memory2) 953 954 Not Collective 955 956 Input Parameter: 957 + memory1 - memory to free 958 - memory2 - 2nd memory to free 959 960 Level: developer 961 962 Notes: Memory must have been obtained with PetscMalloc2() 963 964 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree() 965 966 Concepts: memory allocation 967 968 M*/ 969 #if defined(PETSC_USE_DEBUG) 970 #define PetscFree2(m1,m2) (PetscFree(m2) || PetscFree(m1)) 971 #else 972 #define PetscFree2(m1,m2) (PetscFree(m1)) 973 #endif 974 975 /*MC 976 PetscFree3 - Frees 3 chunks of memory obtained with PetscMalloc3() 977 978 Synopsis: 979 PetscErrorCode PetscFree3(void *memory1,void *memory2,void *memory3) 980 981 Not Collective 982 983 Input Parameter: 984 + memory1 - memory to free 985 . memory2 - 2nd memory to free 986 - memory3 - 3rd memory to free 987 988 Level: developer 989 990 Notes: Memory must have been obtained with PetscMalloc3() 991 992 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3() 993 994 Concepts: memory allocation 995 996 M*/ 997 #if defined(PETSC_USE_DEBUG) 998 #define PetscFree3(m1,m2,m3) (PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 999 #else 1000 #define PetscFree3(m1,m2,m3) (PetscFree(m1)) 1001 #endif 1002 1003 /*MC 1004 PetscFree4 - Frees 4 chunks of memory obtained with PetscMalloc4() 1005 1006 Synopsis: 1007 PetscErrorCode PetscFree4(void *m1,void *m2,void *m3,void *m4) 1008 1009 Not Collective 1010 1011 Input Parameter: 1012 + m1 - memory to free 1013 . m2 - 2nd memory to free 1014 . m3 - 3rd memory to free 1015 - m4 - 4th memory to free 1016 1017 Level: developer 1018 1019 Notes: Memory must have been obtained with PetscMalloc4() 1020 1021 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4() 1022 1023 Concepts: memory allocation 1024 1025 M*/ 1026 #if defined(PETSC_USE_DEBUG) 1027 #define PetscFree4(m1,m2,m3,m4) (PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1028 #else 1029 #define PetscFree4(m1,m2,m3,m4) (PetscFree(m1)) 1030 #endif 1031 1032 /*MC 1033 PetscFree5 - Frees 5 chunks of memory obtained with PetscMalloc5() 1034 1035 Synopsis: 1036 PetscErrorCode PetscFree5(void *m1,void *m2,void *m3,void *m4,void *m5) 1037 1038 Not Collective 1039 1040 Input Parameter: 1041 + m1 - memory to free 1042 . m2 - 2nd memory to free 1043 . m3 - 3rd memory to free 1044 . m4 - 4th memory to free 1045 - m5 - 5th memory to free 1046 1047 Level: developer 1048 1049 Notes: Memory must have been obtained with PetscMalloc5() 1050 1051 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5() 1052 1053 Concepts: memory allocation 1054 1055 M*/ 1056 #if defined(PETSC_USE_DEBUG) 1057 #define PetscFree5(m1,m2,m3,m4,m5) (PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1058 #else 1059 #define PetscFree5(m1,m2,m3,m4,m5) (PetscFree(m1)) 1060 #endif 1061 1062 1063 /*MC 1064 PetscFree6 - Frees 6 chunks of memory obtained with PetscMalloc6() 1065 1066 Synopsis: 1067 PetscErrorCode PetscFree6(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6) 1068 1069 Not Collective 1070 1071 Input Parameter: 1072 + m1 - memory to free 1073 . m2 - 2nd memory to free 1074 . m3 - 3rd memory to free 1075 . m4 - 4th memory to free 1076 . m5 - 5th memory to free 1077 - m6 - 6th memory to free 1078 1079 1080 Level: developer 1081 1082 Notes: Memory must have been obtained with PetscMalloc6() 1083 1084 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6() 1085 1086 Concepts: memory allocation 1087 1088 M*/ 1089 #if defined(PETSC_USE_DEBUG) 1090 #define PetscFree6(m1,m2,m3,m4,m5,m6) (PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1091 #else 1092 #define PetscFree6(m1,m2,m3,m4,m5,m6) (PetscFree(m1)) 1093 #endif 1094 1095 /*MC 1096 PetscFree7 - Frees 7 chunks of memory obtained with PetscMalloc7() 1097 1098 Synopsis: 1099 PetscErrorCode PetscFree7(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6,void *m7) 1100 1101 Not Collective 1102 1103 Input Parameter: 1104 + m1 - memory to free 1105 . m2 - 2nd memory to free 1106 . m3 - 3rd memory to free 1107 . m4 - 4th memory to free 1108 . m5 - 5th memory to free 1109 . m6 - 6th memory to free 1110 - m7 - 7th memory to free 1111 1112 1113 Level: developer 1114 1115 Notes: Memory must have been obtained with PetscMalloc7() 1116 1117 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6(), 1118 PetscMalloc7() 1119 1120 Concepts: memory allocation 1121 1122 M*/ 1123 #if defined(PETSC_USE_DEBUG) 1124 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7) (PetscFree(m7) || PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1125 #else 1126 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7) (PetscFree(m1)) 1127 #endif 1128 1129 EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscTrMalloc)(size_t,int,const char[],const char[],const char[],void**); 1130 EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscTrFree)(void*,int,const char[],const char[],const char[]); 1131 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocSet(PetscErrorCode (*)(size_t,int,const char[],const char[],const char[],void**),PetscErrorCode (*)(void*,int,const char[],const char[],const char[])); 1132 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocClear(void); 1133 1134 /* 1135 Routines for tracing memory corruption/bleeding with default PETSc 1136 memory allocation 1137 */ 1138 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocDump(FILE *); 1139 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocDumpLog(FILE *); 1140 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocGetCurrentUsage(PetscLogDouble *); 1141 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocGetMaximumUsage(PetscLogDouble *); 1142 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocDebug(PetscTruth); 1143 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocValidate(int,const char[],const char[],const char[]); 1144 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocSetDumpLog(void); 1145 1146 1147 /* 1148 Variable type where we stash PETSc object pointers in Fortran. 1149 On most machines size(pointer) == sizeof(long) - except windows 1150 where its sizeof(long long) 1151 */ 1152 1153 #if (PETSC_SIZEOF_VOID_P) == (PETSC_SIZEOF_LONG) 1154 #define PetscFortranAddr long 1155 #elif (PETSC_SIZEOF_VOID_P) == (PETSC_SIZEOF_LONG_LONG) 1156 #define PetscFortranAddr long long 1157 #else 1158 #error "Unknown size for PetscFortranAddr! Send us a bugreport at petsc-maint@mcs.anl.gov" 1159 #endif 1160 1161 /*E 1162 PetscDataType - Used for handling different basic data types. 1163 1164 Level: beginner 1165 1166 Developer comment: It would be nice if we could always just use MPI Datatypes, why can we not? 1167 1168 .seealso: PetscBinaryRead(), PetscBinaryWrite(), PetscDataTypeToMPIDataType(), 1169 PetscDataTypeGetSize() 1170 1171 E*/ 1172 typedef enum {PETSC_INT = 0,PETSC_DOUBLE = 1,PETSC_COMPLEX = 2, PETSC_LONG = 3 ,PETSC_SHORT = 4,PETSC_FLOAT = 5, 1173 PETSC_CHAR = 6,PETSC_LOGICAL = 7,PETSC_ENUM = 8,PETSC_TRUTH=9, PETSC_LONG_DOUBLE = 10, PETSC_QD_DD = 11} PetscDataType; 1174 extern const char *PetscDataTypes[]; 1175 1176 #if defined(PETSC_USE_COMPLEX) 1177 #define PETSC_SCALAR PETSC_COMPLEX 1178 #else 1179 #if defined(PETSC_USE_SCALAR_SINGLE) 1180 #define PETSC_SCALAR PETSC_FLOAT 1181 #elif defined(PETSC_USE_SCALAR_LONG_DOUBLE) 1182 #define PETSC_SCALAR PETSC_LONG_DOUBLE 1183 #elif defined(PETSC_USE_SCALAR_INT) 1184 #define PETSC_SCALAR PETSC_INT 1185 #elif defined(PETSC_USE_SCALAR_QD_DD) 1186 #define PETSC_SCALAR PETSC_QD_DD 1187 #else 1188 #define PETSC_SCALAR PETSC_DOUBLE 1189 #endif 1190 #endif 1191 #if defined(PETSC_USE_SCALAR_SINGLE) 1192 #define PETSC_REAL PETSC_FLOAT 1193 #elif defined(PETSC_USE_SCALAR_LONG_DOUBLE) 1194 #define PETSC_REAL PETSC_LONG_DOUBLE 1195 #elif defined(PETSC_USE_SCALAR_INT) 1196 #define PETSC_REAL PETSC_INT 1197 #elif defined(PETSC_USE_SCALAR_QD_DD) 1198 #define PETSC_REAL PETSC_QD_DD 1199 #else 1200 #define PETSC_REAL PETSC_DOUBLE 1201 #endif 1202 #define PETSC_FORTRANADDR PETSC_LONG 1203 1204 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDataTypeToMPIDataType(PetscDataType,MPI_Datatype*); 1205 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMPIDataTypeToPetscDataType(MPI_Datatype,PetscDataType*); 1206 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDataTypeGetSize(PetscDataType,size_t*); 1207 1208 /* 1209 Basic memory and string operations. These are usually simple wrappers 1210 around the basic Unix system calls, but a few of them have additional 1211 functionality and/or error checking. 1212 */ 1213 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBitMemcpy(void*,PetscInt,const void*,PetscInt,PetscInt,PetscDataType); 1214 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemmove(void*,void *,size_t); 1215 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemcmp(const void*,const void*,size_t,PetscTruth *); 1216 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrlen(const char[],size_t*); 1217 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrcmp(const char[],const char[],PetscTruth *); 1218 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrgrt(const char[],const char[],PetscTruth *); 1219 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrcasecmp(const char[],const char[],PetscTruth*); 1220 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrncmp(const char[],const char[],size_t,PetscTruth*); 1221 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrcpy(char[],const char[]); 1222 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrcat(char[],const char[]); 1223 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrncat(char[],const char[],size_t); 1224 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrncpy(char[],const char[],size_t); 1225 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrchr(const char[],char,char *[]); 1226 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrtolower(char[]); 1227 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrrchr(const char[],char,char *[]); 1228 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrstr(const char[],const char[],char *[]); 1229 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrrstr(const char[],const char[],char *[]); 1230 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrallocpy(const char[],char *[]); 1231 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrreplace(MPI_Comm,const char[],char[],size_t); 1232 1233 /*S 1234 PetscToken - 'Token' used for managing tokenizing strings 1235 1236 Level: intermediate 1237 1238 .seealso: PetscTokenCreate(), PetscTokenFind(), PetscTokenDestroy() 1239 S*/ 1240 typedef struct _p_PetscToken* PetscToken; 1241 1242 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTokenCreate(const char[],const char,PetscToken*); 1243 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTokenFind(PetscToken,char *[]); 1244 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTokenDestroy(PetscToken); 1245 1246 /* 1247 These are MPI operations for MPI_Allreduce() etc 1248 */ 1249 EXTERN PETSC_DLLEXPORT MPI_Op PetscMaxSum_Op; 1250 #if defined(PETSC_USE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX) 1251 EXTERN PETSC_DLLEXPORT MPI_Op MPIU_SUM; 1252 #else 1253 #define MPIU_SUM MPI_SUM 1254 #endif 1255 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMaxSum(MPI_Comm,const PetscInt[],PetscInt*,PetscInt*); 1256 1257 /*S 1258 PetscObject - any PETSc object, PetscViewer, Mat, Vec, KSP etc 1259 1260 Level: beginner 1261 1262 Note: This is the base class from which all objects appear. 1263 1264 .seealso: PetscObjectDestroy(), PetscObjectView(), PetscObjectGetName(), PetscObjectSetName(), PetscObjectReference(), PetscObjectDereferenc() 1265 S*/ 1266 typedef struct _p_PetscObject* PetscObject; 1267 1268 /*S 1269 PetscFList - Linked list of functions, possibly stored in dynamic libraries, accessed 1270 by string name 1271 1272 Level: advanced 1273 1274 .seealso: PetscFListAdd(), PetscFListDestroy() 1275 S*/ 1276 typedef struct _n_PetscFList *PetscFList; 1277 1278 /*E 1279 PetscFileMode - Access mode for a file. 1280 1281 Level: beginner 1282 1283 FILE_MODE_READ - open a file at its beginning for reading 1284 1285 FILE_MODE_WRITE - open a file at its beginning for writing (will create if the file does not exist) 1286 1287 FILE_MODE_APPEND - open a file at end for writing 1288 1289 FILE_MODE_UPDATE - open a file for updating, meaning for reading and writing 1290 1291 FILE_MODE_APPEND_UPDATE - open a file for updating, meaning for reading and writing, at the end 1292 1293 .seealso: PetscViewerFileSetMode() 1294 E*/ 1295 typedef enum {FILE_MODE_READ, FILE_MODE_WRITE, FILE_MODE_APPEND, FILE_MODE_UPDATE, FILE_MODE_APPEND_UPDATE} PetscFileMode; 1296 1297 #include "petscviewer.h" 1298 #include "petscoptions.h" 1299 1300 #define PETSC_SMALLEST_CLASSID 1211211 1301 extern PETSC_DLLEXPORT PetscClassId PETSC_LARGEST_CLASSID; 1302 extern PETSC_DLLEXPORT PetscClassId PETSC_OBJECT_CLASSID; 1303 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscClassIdRegister(const char[],PetscClassId *); 1304 1305 /* 1306 Routines that get memory usage information from the OS 1307 */ 1308 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryGetCurrentUsage(PetscLogDouble *); 1309 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryGetMaximumUsage(PetscLogDouble *); 1310 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemorySetGetMaximumUsage(void); 1311 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryShowUsage(PetscViewer,const char[]); 1312 1313 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInfoAllow(PetscTruth,const char []); 1314 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetTime(PetscLogDouble*); 1315 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetCPUTime(PetscLogDouble*); 1316 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSleep(PetscReal); 1317 1318 /* 1319 Initialization of PETSc 1320 */ 1321 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitialize(int*,char***,const char[],const char[]); 1322 PetscPolymorphicSubroutine(PetscInitialize,(int *argc,char ***args),(argc,args,PETSC_NULL,PETSC_NULL)) 1323 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitializeNoArguments(void); 1324 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitialized(PetscTruth *); 1325 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFinalized(PetscTruth *); 1326 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFinalize(void); 1327 EXTERN PetscErrorCode PetscInitializeFortran(void); 1328 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetArgs(int*,char ***); 1329 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetArguments(char ***); 1330 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFreeArguments(char **); 1331 1332 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscEnd(void); 1333 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitializePackage(const char[]); 1334 1335 extern MPI_Comm PETSC_COMM_LOCAL_WORLD; 1336 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPMerge(PetscMPIInt,PetscErrorCode (*)(void*),void*); 1337 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPSpawn(PetscMPIInt); 1338 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPFinalize(void); 1339 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPRun(MPI_Comm,PetscErrorCode (*)(MPI_Comm,void *),void*); 1340 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPRunCtx(MPI_Comm,PetscErrorCode (*)(MPI_Comm,void*,void *),void*); 1341 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPFree(MPI_Comm,void*); 1342 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPMalloc(MPI_Comm,size_t,void**); 1343 1344 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPythonInitialize(const char[],const char[]); 1345 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPythonFinalize(void); 1346 1347 /* 1348 These are so that in extern C code we can caste function pointers to non-extern C 1349 function pointers. Since the regular C++ code expects its function pointers to be 1350 C++. 1351 */ 1352 typedef void (**PetscVoidStarFunction)(void); 1353 typedef void (*PetscVoidFunction)(void); 1354 typedef PetscErrorCode (*PetscErrorCodeFunction)(void); 1355 1356 /* 1357 PetscTryMethod - Queries an object for a method, if it exists then calls it. 1358 These are intended to be used only inside PETSc functions. 1359 1360 Level: developer 1361 1362 .seealso: PetscUseMethod() 1363 */ 1364 #define PetscTryMethod(obj,A,B,C) \ 1365 0;{ PetscErrorCode (*f)B, __ierr; \ 1366 __ierr = PetscObjectQueryFunction((PetscObject)obj,A,(PetscVoidStarFunction)&f);CHKERRQ(__ierr); \ 1367 if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\ 1368 } 1369 1370 /* 1371 PetscUseMethod - Queries an object for a method, if it exists then calls it, otherwise generates an error. 1372 These are intended to be used only inside PETSc functions. 1373 1374 Level: developer 1375 1376 .seealso: PetscTryMethod() 1377 */ 1378 #define PetscUseMethod(obj,A,B,C) \ 1379 0;{ PetscErrorCode (*f)B, __ierr; \ 1380 __ierr = PetscObjectQueryFunction((PetscObject)obj,A,(PetscVoidStarFunction)&f);CHKERRQ(__ierr); \ 1381 if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\ 1382 else {SETERRQ1(PETSC_ERR_SUP,"Cannot locate function %s in object",A);} \ 1383 } 1384 1385 /* 1386 Functions that can act on any PETSc object. 1387 */ 1388 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectCreate(MPI_Comm,PetscObject*); 1389 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectCreateGeneric(MPI_Comm, PetscClassId, const char [], PetscObject *); 1390 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectDestroy(PetscObject); 1391 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetComm(PetscObject,MPI_Comm *); 1392 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetClassId(PetscObject,PetscClassId *); 1393 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetType(PetscObject,const char []); 1394 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetType(PetscObject,const char *[]); 1395 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetName(PetscObject,const char[]); 1396 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetName(PetscObject,const char*[]); 1397 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetTabLevel(PetscObject,PetscInt); 1398 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetTabLevel(PetscObject,PetscInt*); 1399 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectIncrementTabLevel(PetscObject,PetscObject,PetscInt); 1400 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectReference(PetscObject); 1401 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetReference(PetscObject,PetscInt*); 1402 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectDereference(PetscObject); 1403 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetNewTag(PetscObject,PetscMPIInt *); 1404 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectView(PetscObject,PetscViewer); 1405 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectCompose(PetscObject,const char[],PetscObject); 1406 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectQuery(PetscObject,const char[],PetscObject *); 1407 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectComposeFunction(PetscObject,const char[],const char[],void (*)(void)); 1408 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetFromOptions(PetscObject); 1409 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetUp(PetscObject); 1410 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommGetNewTag(MPI_Comm,PetscMPIInt *); 1411 1412 /*MC 1413 PetscObjectComposeFunctionDynamic - Associates a function with a given PETSc object. 1414 1415 Synopsis: 1416 PetscErrorCode PetscObjectComposeFunctionDynamic(PetscObject obj,const char name[],const char fname[],void *ptr) 1417 1418 Collective on PetscObject 1419 1420 Input Parameters: 1421 + obj - the PETSc object; this must be cast with a (PetscObject), for example, 1422 PetscObjectCompose((PetscObject)mat,...); 1423 . name - name associated with the child function 1424 . fname - name of the function 1425 - ptr - function pointer (or PETSC_NULL if using dynamic libraries) 1426 1427 Level: advanced 1428 1429 1430 Notes: 1431 To remove a registered routine, pass in a PETSC_NULL rname and fnc(). 1432 1433 PetscObjectComposeFunctionDynamic() can be used with any PETSc object (such as 1434 Mat, Vec, KSP, SNES, etc.) or any user-provided object. 1435 1436 The composed function must be wrapped in a EXTERN_C_BEGIN/END for this to 1437 work in C++/complex with dynamic link libraries (./configure options --with-shared --with-dynamic) 1438 enabled. 1439 1440 Concepts: objects^composing functions 1441 Concepts: composing functions 1442 Concepts: functions^querying 1443 Concepts: objects^querying 1444 Concepts: querying objects 1445 1446 .seealso: PetscObjectQueryFunction() 1447 M*/ 1448 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 1449 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,0) 1450 #else 1451 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,(PetscVoidFunction)(d)) 1452 #endif 1453 1454 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectQueryFunction(PetscObject,const char[],void (**)(void)); 1455 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetOptionsPrefix(PetscObject,const char[]); 1456 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectAppendOptionsPrefix(PetscObject,const char[]); 1457 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectPrependOptionsPrefix(PetscObject,const char[]); 1458 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetOptionsPrefix(PetscObject,const char*[]); 1459 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectPublish(PetscObject); 1460 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectChangeTypeName(PetscObject,const char[]); 1461 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectRegisterDestroy(PetscObject); 1462 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectRegisterDestroyAll(void); 1463 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectName(PetscObject); 1464 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTypeCompare(PetscObject,const char[],PetscTruth*); 1465 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRegisterFinalize(PetscErrorCode (*)(void)); 1466 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRegisterFinalizeAll(void); 1467 1468 /* 1469 Defines PETSc error handling. 1470 */ 1471 #include "petscerror.h" 1472 1473 /*S 1474 PetscOList - Linked list of PETSc objects, each accessable by string name 1475 1476 Level: developer 1477 1478 Notes: Used by PetscObjectCompose() and PetscObjectQuery() 1479 1480 .seealso: PetscOListAdd(), PetscOListDestroy(), PetscOListFind(), PetscObjectCompose(), PetscObjectQuery() 1481 S*/ 1482 typedef struct _n_PetscOList *PetscOList; 1483 1484 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListDestroy(PetscOList); 1485 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListFind(PetscOList,const char[],PetscObject*); 1486 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListReverseFind(PetscOList,PetscObject,char**); 1487 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListAdd(PetscOList *,const char[],PetscObject); 1488 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListDuplicate(PetscOList,PetscOList *); 1489 1490 /* 1491 Dynamic library lists. Lists of names of routines in objects or in dynamic 1492 link libraries that will be loaded as needed. 1493 */ 1494 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListAdd(PetscFList*,const char[],const char[],void (*)(void)); 1495 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListDestroy(PetscFList*); 1496 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListFind(PetscFList,MPI_Comm,const char[],void (**)(void)); 1497 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListPrintTypes(MPI_Comm,FILE*,const char[],const char[],const char[],const char[],PetscFList,const char[]); 1498 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 1499 #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,0) 1500 #else 1501 #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,(void (*)(void))c) 1502 #endif 1503 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListDuplicate(PetscFList,PetscFList *); 1504 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListView(PetscFList,PetscViewer); 1505 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListConcat(const char [],const char [],char []); 1506 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListGet(PetscFList,char ***,int*); 1507 1508 /*S 1509 PetscDLLibrary - Linked list of dynamics libraries to search for functions 1510 1511 Level: advanced 1512 1513 --with-shared --with-dynamic must be used with ./configure to use dynamic libraries 1514 1515 .seealso: PetscDLLibraryOpen() 1516 S*/ 1517 typedef struct _n_PetscDLLibrary *PetscDLLibrary; 1518 extern PETSC_DLLEXPORT PetscDLLibrary DLLibrariesLoaded; 1519 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryAppend(MPI_Comm,PetscDLLibrary *,const char[]); 1520 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryPrepend(MPI_Comm,PetscDLLibrary *,const char[]); 1521 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibrarySym(MPI_Comm,PetscDLLibrary *,const char[],const char[],void **); 1522 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryPrintPath(PetscDLLibrary); 1523 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryRetrieve(MPI_Comm,const char[],char *,size_t,PetscTruth *); 1524 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryOpen(MPI_Comm,const char[],PetscDLLibrary *); 1525 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryClose(PetscDLLibrary); 1526 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryCCAAppend(MPI_Comm,PetscDLLibrary *,const char[]); 1527 1528 /* 1529 Useful utility routines 1530 */ 1531 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSplitOwnership(MPI_Comm,PetscInt*,PetscInt*); 1532 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSplitOwnershipBlock(MPI_Comm,PetscInt,PetscInt*,PetscInt*); 1533 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSequentialPhaseBegin(MPI_Comm,PetscMPIInt); 1534 PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(MPI_Comm comm),(comm,1)) 1535 PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(void),(PETSC_COMM_WORLD,1)) 1536 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSequentialPhaseEnd(MPI_Comm,PetscMPIInt); 1537 PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(MPI_Comm comm),(comm,1)) 1538 PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(void),(PETSC_COMM_WORLD,1)) 1539 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBarrier(PetscObject); 1540 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMPIDump(FILE*); 1541 1542 /* 1543 PetscNot - negates a logical type value and returns result as a PetscTruth 1544 1545 Notes: This is useful in cases like 1546 $ int *a; 1547 $ PetscTruth flag = PetscNot(a) 1548 where !a does not return a PetscTruth because we cannot provide a cast from int to PetscTruth in C. 1549 */ 1550 #define PetscNot(a) ((a) ? PETSC_FALSE : PETSC_TRUE) 1551 1552 /* 1553 Defines basic graphics available from PETSc. 1554 */ 1555 #include "petscdraw.h" 1556 1557 /* 1558 Defines the base data structures for all PETSc objects 1559 */ 1560 #include "private/petscimpl.h" 1561 1562 /* 1563 Defines PETSc profiling. 1564 */ 1565 #include "petsclog.h" 1566 1567 /* 1568 For locking, unlocking and destroying AMS memories associated with 1569 PETSc objects. Not currently used. 1570 */ 1571 #define PetscPublishAll(v) 0 1572 #define PetscObjectTakeAccess(obj) 0 1573 #define PetscObjectGrantAccess(obj) 0 1574 #define PetscObjectDepublish(obj) 0 1575 1576 /* 1577 Simple PETSc parallel IO for ASCII printing 1578 */ 1579 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFixFilename(const char[],char[]); 1580 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFOpen(MPI_Comm,const char[],const char[],FILE**); 1581 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFClose(MPI_Comm,FILE*); 1582 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4); 1583 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPrintf(MPI_Comm,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3); 1584 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSNPrintf(char*,size_t,const char [],...); 1585 1586 /* These are used internally by PETSc ASCII IO routines*/ 1587 #include <stdarg.h> 1588 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscVSNPrintf(char*,size_t,const char[],int*,va_list); 1589 EXTERN PetscErrorCode PETSC_DLLEXPORT (*PetscVFPrintf)(FILE*,const char[],va_list); 1590 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscVFPrintfDefault(FILE*,const char[],va_list); 1591 1592 /*MC 1593 PetscErrorPrintf - Prints error messages. 1594 1595 Synopsis: 1596 PetscErrorCode (*PetscErrorPrintf)(const char format[],...); 1597 1598 Not Collective 1599 1600 Input Parameters: 1601 . format - the usual printf() format string 1602 1603 Options Database Keys: 1604 + -error_output_stdout - cause error messages to be printed to stdout instead of the 1605 (default) stderr 1606 - -error_output_none to turn off all printing of error messages (does not change the way the 1607 error is handled.) 1608 1609 Notes: Use 1610 $ PetscErrorPrintf = PetscErrorPrintfNone; to turn off all printing of error messages (does not change the way the 1611 $ error is handled.) and 1612 $ PetscErrorPrintf = PetscErrorPrintfDefault; to turn it back on 1613 1614 Use 1615 PETSC_STDERR = FILE* obtained from a file open etc. to have stderr printed to the file. 1616 PETSC_STDOUT = FILE* obtained from a file open etc. to have stdout printed to the file. 1617 1618 Use 1619 PetscPushErrorHandler() to provide your own error handler that determines what kind of messages to print 1620 1621 Level: developer 1622 1623 Fortran Note: 1624 This routine is not supported in Fortran. 1625 1626 Concepts: error messages^printing 1627 Concepts: printing^error messages 1628 1629 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscHelpPrintf(), PetscPrintf(), PetscErrorHandlerPush() 1630 M*/ 1631 EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscErrorPrintf)(const char[],...); 1632 1633 /*MC 1634 PetscHelpPrintf - Prints help messages. 1635 1636 Synopsis: 1637 PetscErrorCode (*PetscHelpPrintf)(const char format[],...); 1638 1639 Not Collective 1640 1641 Input Parameters: 1642 . format - the usual printf() format string 1643 1644 Level: developer 1645 1646 Fortran Note: 1647 This routine is not supported in Fortran. 1648 1649 Concepts: help messages^printing 1650 Concepts: printing^help messages 1651 1652 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscErrorPrintf() 1653 M*/ 1654 EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscHelpPrintf)(MPI_Comm,const char[],...); 1655 1656 EXTERN PetscErrorCode PetscErrorPrintfDefault(const char [],...); 1657 EXTERN PetscErrorCode PetscErrorPrintfNone(const char [],...); 1658 EXTERN PetscErrorCode PetscHelpPrintfDefault(MPI_Comm,const char [],...); 1659 1660 #if defined(PETSC_HAVE_POPEN) 1661 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPOpen(MPI_Comm,const char[],const char[],const char[],FILE **); 1662 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPClose(MPI_Comm,FILE*); 1663 #endif 1664 1665 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSynchronizedPrintf(MPI_Comm,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3); 1666 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSynchronizedFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4); 1667 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSynchronizedFlush(MPI_Comm); 1668 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSynchronizedFGets(MPI_Comm,FILE*,size_t,char[]); 1669 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStartMatlab(MPI_Comm,const char[],const char[],FILE**); 1670 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStartJava(MPI_Comm,const char[],const char[],FILE**); 1671 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetPetscDir(const char*[]); 1672 1673 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPopUpSelect(MPI_Comm,const char*,const char*,int,const char**,int*); 1674 1675 /*S 1676 PetscContainer - Simple PETSc object that contains a pointer to any required data 1677 1678 Level: advanced 1679 1680 .seealso: PetscObject, PetscContainerCreate() 1681 S*/ 1682 extern PetscClassId PETSC_DLLEXPORT PETSC_CONTAINER_CLASSID; 1683 typedef struct _p_PetscContainer* PetscContainer; 1684 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerGetPointer(PetscContainer,void **); 1685 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerSetPointer(PetscContainer,void *); 1686 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerDestroy(PetscContainer); 1687 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerCreate(MPI_Comm,PetscContainer *); 1688 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerSetUserDestroy(PetscContainer, PetscErrorCode (*)(void*)); 1689 1690 /* 1691 For use in debuggers 1692 */ 1693 extern PETSC_DLLEXPORT PetscMPIInt PetscGlobalRank; 1694 extern PETSC_DLLEXPORT PetscMPIInt PetscGlobalSize; 1695 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscIntView(PetscInt,const PetscInt[],PetscViewer); 1696 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRealView(PetscInt,const PetscReal[],PetscViewer); 1697 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscScalarView(PetscInt,const PetscScalar[],PetscViewer); 1698 1699 #if defined(PETSC_HAVE_MEMORY_H) 1700 #include <memory.h> 1701 #endif 1702 #if defined(PETSC_HAVE_STDLIB_H) 1703 #include <stdlib.h> 1704 #endif 1705 #if defined(PETSC_HAVE_STRINGS_H) 1706 #include <strings.h> 1707 #endif 1708 #if defined(PETSC_HAVE_STRING_H) 1709 #include <string.h> 1710 #endif 1711 1712 1713 #if defined(PETSC_HAVE_XMMINTRIN_H) 1714 #include <xmmintrin.h> 1715 #endif 1716 #if defined(PETSC_HAVE_STDINT_H) 1717 #include <stdint.h> 1718 #endif 1719 1720 /*@C 1721 PetscMemcpy - Copies n bytes, beginning at location b, to the space 1722 beginning at location a. The two memory regions CANNOT overlap, use 1723 PetscMemmove() in that case. 1724 1725 Not Collective 1726 1727 Input Parameters: 1728 + b - pointer to initial memory space 1729 - n - length (in bytes) of space to copy 1730 1731 Output Parameter: 1732 . a - pointer to copy space 1733 1734 Level: intermediate 1735 1736 Compile Option: 1737 PETSC_PREFER_DCOPY_FOR_MEMCPY will cause the BLAS dcopy() routine to be used 1738 for memory copies on double precision values. 1739 PETSC_PREFER_COPY_FOR_MEMCPY will cause C code to be used 1740 for memory copies on double precision values. 1741 PETSC_PREFER_FORTRAN_FORMEMCPY will cause Fortran code to be used 1742 for memory copies on double precision values. 1743 1744 Note: 1745 This routine is analogous to memcpy(). 1746 1747 Developer Note: this is inlined for fastest performance 1748 1749 Concepts: memory^copying 1750 Concepts: copying^memory 1751 1752 .seealso: PetscMemmove() 1753 1754 @*/ 1755 PETSC_STATIC_INLINE PetscErrorCode PETSC_DLLEXPORT PetscMemcpy(void *a,const void *b,size_t n) 1756 { 1757 #if defined(PETSC_USE_DEBUG) 1758 unsigned long al = (unsigned long) a,bl = (unsigned long) b; 1759 unsigned long nl = (unsigned long) n; 1760 if (n > 0 && !b) SETERRQ(PETSC_ERR_ARG_NULL,"Trying to copy from a null pointer"); 1761 if (n > 0 && !a) SETERRQ(PETSC_ERR_ARG_NULL,"Trying to copy to a null pointer"); 1762 #endif 1763 PetscFunctionBegin; 1764 if (a != b) { 1765 #if defined(PETSC_USE_DEBUG) 1766 if ((al > bl && (al - bl) < nl) || (bl - al) < nl) { 1767 SETERRQ3(PETSC_ERR_ARG_INCOMP,"Memory regions overlap: either use PetscMemmov()\n\ 1768 or make sure your copy regions and lengths are correct. \n\ 1769 Length (bytes) %ld first address %ld second address %ld",nl,al,bl); 1770 } 1771 #endif 1772 #if (defined(PETSC_PREFER_DCOPY_FOR_MEMCPY) || defined(PETSC_PREFER_COPY_FOR_MEMCPY) || defined(PETSC_PREFER_FORTRAN_FORMEMCPY)) 1773 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1774 size_t len = n/sizeof(PetscScalar); 1775 #if defined(PETSC_PREFER_DCOPY_FOR_MEMCPY) 1776 PetscBLASInt one = 1,blen = PetscBLASIntCast(len); 1777 BLAScopy_(&blen,(PetscScalar *)b,&one,(PetscScalar *)a,&one); 1778 #elif defined(PETSC_PREFER_FORTRAN_FORMEMCPY) 1779 fortrancopy_(&len,(PetscScalar*)b,(PetscScalar*)a); 1780 #else 1781 size_t i; 1782 PetscScalar *x = (PetscScalar*)b, *y = (PetscScalar*)a; 1783 for (i=0; i<len; i++) y[i] = x[i]; 1784 #endif 1785 } else { 1786 memcpy((char*)(a),(char*)(b),n); 1787 } 1788 #elif defined(PETSC_HAVE__INTEL_FAST_MEMCPY) 1789 _intel_fast_memcpy((char*)(a),(char*)(b),n); 1790 #else 1791 memcpy((char*)(a),(char*)(b),n); 1792 #endif 1793 } 1794 PetscFunctionReturn(0); 1795 } 1796 1797 /*@C 1798 PetscMemzero - Zeros the specified memory. 1799 1800 Not Collective 1801 1802 Input Parameters: 1803 + a - pointer to beginning memory location 1804 - n - length (in bytes) of memory to initialize 1805 1806 Level: intermediate 1807 1808 Compile Option: 1809 PETSC_PREFER_BZERO - on certain machines (the IBM RS6000) the bzero() routine happens 1810 to be faster than the memset() routine. This flag causes the bzero() routine to be used. 1811 1812 Developer Note: this is inlined for fastest performance 1813 1814 Concepts: memory^zeroing 1815 Concepts: zeroing^memory 1816 1817 .seealso: PetscMemcpy() 1818 @*/ 1819 PETSC_STATIC_INLINE PetscErrorCode PETSC_DLLEXPORT PetscMemzero(void *a,size_t n) 1820 { 1821 if (n > 0) { 1822 #if defined(PETSC_USE_DEBUG) 1823 if (!a) SETERRQ(PETSC_ERR_ARG_NULL,"Trying to zero at a null pointer"); 1824 #endif 1825 #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO) 1826 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1827 size_t i,len = n/sizeof(PetscScalar); 1828 PetscScalar *x = (PetscScalar*)a; 1829 for (i=0; i<len; i++) x[i] = 0.0; 1830 } else { 1831 #elif defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO) 1832 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1833 PetscInt len = n/sizeof(PetscScalar); 1834 fortranzero_(&len,(PetscScalar*)a); 1835 } else { 1836 #endif 1837 #if defined(PETSC_PREFER_BZERO) 1838 bzero((char *)a,n); 1839 #elif defined (PETSC_HAVE__INTEL_FAST_MEMSET) 1840 _intel_fast_memset((char*)a,0,n); 1841 #else 1842 memset((char*)a,0,n); 1843 #endif 1844 #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO) || defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO) 1845 } 1846 #endif 1847 } 1848 return 0; 1849 } 1850 1851 /*MC 1852 PetscPrefetchBlock - Prefetches a block of memory 1853 1854 Synopsis: 1855 void PetscPrefetchBlock(const anytype *a,size_t n,int rw,int t) 1856 1857 Not Collective 1858 1859 Input Parameters: 1860 + a - pointer to first element to fetch (any type but usually PetscInt or PetscScalar) 1861 . n - number of elements to fetch 1862 . rw - 1 if the memory will be written to, otherwise 0 (ignored by many processors) 1863 - t - temporal locality (0,1,2,3), see note 1864 1865 Level: developer 1866 1867 Notes: 1868 The last two arguments (rw and t) must be compile-time constants. 1869 1870 There are four levels of temporal locality (not all architectures distinguish) 1871 + 0 - Non-temporal. Prefetches directly to L1, evicts to memory (skips higher level cache unless it was already there when prefetched). 1872 . 1 - Temporal with respect to high-level cache only. Only prefetches to high-level cache (not L1), kept at high levels after eviction from L1. 1873 . 2 - Same as 1, but keep in mid-level cache. (On most systems, 1 and 2 are equivalent.) 1874 - 3 - 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. 1875 1876 This function does nothing on architectures that do not support prefetch and never errors (even if passed an invalid 1877 address). 1878 1879 Concepts: memory 1880 M*/ 1881 #define PetscPrefetchBlock(a,n,rw,t) do { \ 1882 const char *_p = (const char*)(a),*_end = (const char*)((a)+(n)); \ 1883 for ( ; _p < _end; _p += PETSC_LEVEL1_DCACHE_LINESIZE) PETSC_Prefetch(_p,(rw),(t)); \ 1884 } while (0) 1885 1886 /* 1887 Allows accessing Matlab Engine 1888 */ 1889 #include "petscmatlab.h" 1890 1891 /* 1892 Determine if some of the kernel computation routines use 1893 Fortran (rather than C) for the numerical calculations. On some machines 1894 and compilers (like complex numbers) the Fortran version of the routines 1895 is faster than the C/C++ versions. The flag --with-fortran-kernels 1896 should be used with ./configure to turn these on. 1897 */ 1898 #if defined(PETSC_USE_FORTRAN_KERNELS) 1899 1900 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTCRL) 1901 #define PETSC_USE_FORTRAN_KERNEL_MULTCRL 1902 #endif 1903 1904 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTCSRPERM) 1905 #define PETSC_USE_FORTRAN_KERNEL_MULTCSRPERM 1906 #endif 1907 1908 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJ) 1909 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJ 1910 #endif 1911 1912 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ) 1913 #define PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ 1914 #endif 1915 1916 #if !defined(PETSC_USE_FORTRAN_KERNEL_NORM) 1917 #define PETSC_USE_FORTRAN_KERNEL_NORM 1918 #endif 1919 1920 #if !defined(PETSC_USE_FORTRAN_KERNEL_MAXPY) 1921 #define PETSC_USE_FORTRAN_KERNEL_MAXPY 1922 #endif 1923 1924 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ) 1925 #define PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ 1926 #endif 1927 1928 #if !defined(PETSC_USE_FORTRAN_KERNEL_RELAXAIJ) 1929 #define PETSC_USE_FORTRAN_KERNEL_RELAXAIJ 1930 #endif 1931 1932 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ) 1933 #define PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ 1934 #endif 1935 1936 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ) 1937 #define PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ 1938 #endif 1939 1940 #if !defined(PETSC_USE_FORTRAN_KERNEL_MDOT) 1941 #define PETSC_USE_FORTRAN_KERNEL_MDOT 1942 #endif 1943 1944 #if !defined(PETSC_USE_FORTRAN_KERNEL_XTIMESY) 1945 #define PETSC_USE_FORTRAN_KERNEL_XTIMESY 1946 #endif 1947 1948 #if !defined(PETSC_USE_FORTRAN_KERNEL_AYPX) 1949 #define PETSC_USE_FORTRAN_KERNEL_AYPX 1950 #endif 1951 1952 #if !defined(PETSC_USE_FORTRAN_KERNEL_WAXPY) 1953 #define PETSC_USE_FORTRAN_KERNEL_WAXPY 1954 #endif 1955 1956 #endif 1957 1958 /* 1959 Macros for indicating code that should be compiled with a C interface, 1960 rather than a C++ interface. Any routines that are dynamically loaded 1961 (such as the PCCreate_XXX() routines) must be wrapped so that the name 1962 mangler does not change the functions symbol name. This just hides the 1963 ugly extern "C" {} wrappers. 1964 */ 1965 #if defined(__cplusplus) 1966 #define EXTERN_C_BEGIN extern "C" { 1967 #define EXTERN_C_END } 1968 #else 1969 #define EXTERN_C_BEGIN 1970 #define EXTERN_C_END 1971 #endif 1972 1973 /* --------------------------------------------------------------------*/ 1974 1975 /*MC 1976 MPI_Comm - the basic object used by MPI to determine which processes are involved in a 1977 communication 1978 1979 Level: beginner 1980 1981 Note: This manual page is a place-holder because MPICH does not have a manual page for MPI_Comm 1982 1983 .seealso: PETSC_COMM_WORLD, PETSC_COMM_SELF 1984 M*/ 1985 1986 /*MC 1987 PetscScalar - PETSc type that represents either a double precision real number, a double precision 1988 complex number, a single precision real number, a long double or an int - if the code is configured 1989 with --with-scalar-type=real,complex --with-precision=single,double,longdouble,int,matsingle 1990 1991 1992 Level: beginner 1993 1994 .seealso: PetscReal, PassiveReal, PassiveScalar, MPIU_SCALAR, PetscInt 1995 M*/ 1996 1997 /*MC 1998 PetscReal - PETSc type that represents a real number version of PetscScalar 1999 2000 Level: beginner 2001 2002 .seealso: PetscScalar, PassiveReal, PassiveScalar 2003 M*/ 2004 2005 /*MC 2006 PassiveScalar - PETSc type that represents a PetscScalar 2007 Level: beginner 2008 2009 This is the same as a PetscScalar except in code that is automatically differentiated it is 2010 treated as a constant (not an indendent or dependent variable) 2011 2012 .seealso: PetscReal, PassiveReal, PetscScalar 2013 M*/ 2014 2015 /*MC 2016 PassiveReal - PETSc type that represents a PetscReal 2017 2018 Level: beginner 2019 2020 This is the same as a PetscReal except in code that is automatically differentiated it is 2021 treated as a constant (not an indendent or dependent variable) 2022 2023 .seealso: PetscScalar, PetscReal, PassiveScalar 2024 M*/ 2025 2026 /*MC 2027 MPIU_SCALAR - MPI datatype corresponding to PetscScalar 2028 2029 Level: beginner 2030 2031 Note: In MPI calls that require an MPI datatype that matches a PetscScalar or array of PetscScalars 2032 pass this value 2033 2034 .seealso: PetscReal, PassiveReal, PassiveScalar, PetscScalar, MPIU_INT 2035 M*/ 2036 2037 #if defined(PETSC_HAVE_MPIIO) 2038 #if !defined(PETSC_WORDS_BIGENDIAN) 2039 extern PetscErrorCode MPIU_File_write_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2040 extern PetscErrorCode MPIU_File_read_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2041 #else 2042 #define MPIU_File_write_all(a,b,c,d,e) MPI_File_write_all(a,b,c,d,e) 2043 #define MPIU_File_read_all(a,b,c,d,e) MPI_File_read_all(a,b,c,d,e) 2044 #endif 2045 #endif 2046 2047 /* the following petsc_static_inline require petscerror.h */ 2048 2049 /* Limit MPI to 32-bits */ 2050 #define PETSC_MPI_INT_MAX 2147483647 2051 #define PETSC_MPI_INT_MIN -2147483647 2052 /* Limit BLAS to 32-bits */ 2053 #define PETSC_BLAS_INT_MAX 2147483647 2054 #define PETSC_BLAS_INT_MIN -2147483647 2055 /* On 32 bit systems HDF5 is limited by size of integer, because hsize_t is defined as size_t */ 2056 #define PETSC_HDF5_INT_MAX 2147483647 2057 #define PETSC_HDF5_INT_MIN -2147483647 2058 2059 #if defined(PETSC_USE_64BIT_INDICES) 2060 #define PetscMPIIntCheck(a) if ((a) > PETSC_MPI_INT_MAX) SETERRQ(PETSC_ERR_ARG_OUTOFRANGE,"Message too long for MPI") 2061 #define PetscBLASIntCheck(a) if ((a) > PETSC_BLAS_INT_MAX) SETERRQ(PETSC_ERR_ARG_OUTOFRANGE,"Array too long for BLAS/LAPACK") 2062 #define PetscMPIIntCast(a) (a);PetscMPIIntCheck(a) 2063 #define PetscBLASIntCast(a) (a);PetscBLASIntCheck(a) 2064 2065 #if (PETSC_SIZEOF_SIZE_T == 4) 2066 #define PetscHDF5IntCheck(a) if ((a) > PETSC_HDF5_INT_MAX) SETERRQ(PETSC_ERR_ARG_OUTOFRANGE,"Array too long for HDF5") 2067 #define PetscHDF5IntCast(a) (a);PetscHDF5IntCheck(a) 2068 #else 2069 #define PetscHDF5IntCheck(a) 2070 #define PetscHDF5IntCast(a) a 2071 #endif 2072 2073 #else 2074 #define PetscMPIIntCheck(a) 2075 #define PetscBLASIntCheck(a) 2076 #define PetscHDF5IntCheck(a) 2077 #define PetscMPIIntCast(a) a 2078 #define PetscBLASIntCast(a) a 2079 #define PetscHDF5IntCast(a) a 2080 #endif 2081 2082 2083 /* 2084 The IBM include files define hz, here we hide it so that it may be used 2085 as a regular user variable. 2086 */ 2087 #if defined(hz) 2088 #undef hz 2089 #endif 2090 2091 /* For arrays that contain filenames or paths */ 2092 2093 2094 #if defined(PETSC_HAVE_LIMITS_H) 2095 #include <limits.h> 2096 #endif 2097 #if defined(PETSC_HAVE_SYS_PARAM_H) 2098 #include <sys/param.h> 2099 #endif 2100 #if defined(PETSC_HAVE_SYS_TYPES_H) 2101 #include <sys/types.h> 2102 #endif 2103 #if defined(MAXPATHLEN) 2104 # define PETSC_MAX_PATH_LEN MAXPATHLEN 2105 #elif defined(MAX_PATH) 2106 # define PETSC_MAX_PATH_LEN MAX_PATH 2107 #elif defined(_MAX_PATH) 2108 # define PETSC_MAX_PATH_LEN _MAX_PATH 2109 #else 2110 # define PETSC_MAX_PATH_LEN 4096 2111 #endif 2112 2113 /* Special support for C++ */ 2114 #include "petscsys.hh" 2115 2116 2117 /*MC 2118 2119 UsingFortran - Fortran can be used with PETSc in four distinct approaches 2120 2121 $ 1) classic Fortran 77 style 2122 $#include "petscXXX.h" to work with material from the XXX component of PETSc 2123 $ XXX variablename 2124 $ You cannot use this approach if you wish to use the Fortran 90 specific PETSc routines 2125 $ which end in F90; such as VecGetArrayF90() 2126 $ 2127 $ 2) classic Fortran 90 style 2128 $#include "petscXXX.h" 2129 $#include "petscXXX.h90" to work with material from the XXX component of PETSc 2130 $ XXX variablename 2131 $ 2132 $ 3) Using Fortran modules 2133 $#include "petscXXXdef.h" 2134 $ use petscXXXX 2135 $ XXX variablename 2136 $ 2137 $ 4) Use Fortran modules and Fortran data types for PETSc types 2138 $#include "petscXXXdef.h" 2139 $ use petscXXXX 2140 $ type(XXX) variablename 2141 $ To use this approach you must ./configure PETSc with the additional 2142 $ option --with-fortran-datatypes You cannot use the type(XXX) declaration approach without using Fortran modules 2143 2144 Finally if you absolutely do not want to use any #include you can use either 2145 2146 $ 3a) skip the #include BUT you cannot use any PETSc data type names like Vec, Mat, PetscInt, PetscErrorCode etc 2147 $ and you must declare the variables as integer, for example 2148 $ integer variablename 2149 $ 2150 $ 4a) skip the #include, you use the object types like type(Vec) type(Mat) but cannot use the data type 2151 $ names like PetscErrorCode, PetscInt etc. again for those you must use integer 2152 2153 We recommend either 2 or 3. Approaches 2 and 3 provide type checking for most PETSc function calls; 4 has type checking 2154 for only a few PETSc functions. 2155 2156 Fortran type checking with interfaces is strick, this means you cannot pass a scalar value when an array value 2157 is expected (even though it is legal Fortran). For example when setting a single value in a matrix with MatSetValues() 2158 you cannot have something like 2159 $ PetscInt row,col 2160 $ PetscScalar val 2161 $ ... 2162 $ call MatSetValues(mat,1,row,1,col,val,INSERT_VALUES,ierr) 2163 You must instead have 2164 $ PetscInt row(1),col(1) 2165 $ PetscScalar val(1) 2166 $ ... 2167 $ call MatSetValues(mat,1,row,1,col,val,INSERT_VALUES,ierr) 2168 2169 2170 See the example src/vec/vec/examples/tutorials/ex20f90.F90 for an example that can use all four approaches 2171 2172 Developer Notes: The finclude/petscXXXdef.h contain all the #defines (would be typedefs in C code) these 2173 automatically include their predecessors; for example finclude/petscvecdef.h includes finclude/petscisdef.h 2174 2175 The finclude/petscXXXX.h contain all the parameter statements for that package. These automatically include 2176 their finclude/petscXXXdef.h file but DO NOT automatically include their predecessors; for example 2177 finclude/petscvec.h does NOT automatically include finclude/petscis.h 2178 2179 The finclude/ftn-custom/petscXXXdef.h90 are not intended to be used directly in code, they define the 2180 Fortran data type type(XXX) (for example type(Vec)) when PETSc is ./configure with the --with-fortran-datatypes option. 2181 2182 The finclude/ftn-custom/petscXXX.h90 (not included directly by code) contain interface definitions for 2183 the PETSc Fortran stubs that have different bindings then their C version (for example VecGetArrayF90). 2184 2185 The finclude/ftn-auto/petscXXX.h90 (not included directly by code) contain interface definitions generated 2186 automatically by "make allfortranstubs". 2187 2188 The finclude/petscXXX.h90 includes the custom finclude/ftn-custom/petscXXX.h90 and if ./configure 2189 was run with --with-fortran-interfaces it also includes the finclude/ftn-auto/petscXXX.h90 These DO NOT automatically 2190 include their predecessors 2191 2192 Level: beginner 2193 2194 M*/ 2195 2196 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetArchType(char[],size_t); 2197 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetHostName(char[],size_t); 2198 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetUserName(char[],size_t); 2199 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetProgramName(char[],size_t); 2200 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetProgramName(const char[]); 2201 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetDate(char[],size_t); 2202 2203 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortInt(PetscInt,PetscInt[]); 2204 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortIntWithPermutation(PetscInt,const PetscInt[],PetscInt[]); 2205 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortStrWithPermutation(PetscInt,const char*[],PetscInt[]); 2206 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortIntWithArray(PetscInt,PetscInt[],PetscInt[]); 2207 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortMPIIntWithArray(PetscMPIInt,PetscMPIInt[],PetscMPIInt[]); 2208 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortIntWithScalarArray(PetscInt,PetscInt[],PetscScalar[]); 2209 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortReal(PetscInt,PetscReal[]); 2210 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortRealWithPermutation(PetscInt,const PetscReal[],PetscInt[]); 2211 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortSplit(PetscInt,PetscInt,PetscScalar[],PetscInt[]); 2212 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSortSplitReal(PetscInt,PetscInt,PetscReal[],PetscInt[]); 2213 2214 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetDisplay(void); 2215 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetDisplay(char[],size_t); 2216 2217 /*E 2218 PetscRandomType - String with the name of a PETSc randomizer 2219 with an optional dynamic library name, for example 2220 http://www.mcs.anl.gov/petsc/lib.a:myrandcreate() 2221 2222 Level: beginner 2223 2224 Notes: to use the SPRNG you must have ./configure PETSc 2225 with the option --download-sprng 2226 2227 .seealso: PetscRandomSetType(), PetscRandom 2228 E*/ 2229 #define PetscRandomType char* 2230 #define PETSCRAND "rand" 2231 #define PETSCRAND48 "rand48" 2232 #define PETSCSPRNG "sprng" 2233 2234 /* Logging support */ 2235 extern PETSC_DLLEXPORT PetscClassId PETSC_RANDOM_CLASSID; 2236 2237 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomInitializePackage(const char[]); 2238 2239 /*S 2240 PetscRandom - Abstract PETSc object that manages generating random numbers 2241 2242 Level: intermediate 2243 2244 Concepts: random numbers 2245 2246 .seealso: PetscRandomCreate(), PetscRandomGetValue(), PetscRandomType 2247 S*/ 2248 typedef struct _p_PetscRandom* PetscRandom; 2249 2250 /* Dynamic creation and loading functions */ 2251 extern PetscFList PetscRandomList; 2252 extern PetscTruth PetscRandomRegisterAllCalled; 2253 2254 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomRegisterAll(const char []); 2255 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomRegister(const char[],const char[],const char[],PetscErrorCode (*)(PetscRandom)); 2256 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomRegisterDestroy(void); 2257 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomSetType(PetscRandom, const PetscRandomType); 2258 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomSetFromOptions(PetscRandom); 2259 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomGetType(PetscRandom, const PetscRandomType*); 2260 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomViewFromOptions(PetscRandom,char*); 2261 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomView(PetscRandom,PetscViewer); 2262 2263 /*MC 2264 PetscRandomRegisterDynamic - Adds a new PetscRandom component implementation 2265 2266 Synopsis: 2267 PetscErrorCode PetscRandomRegisterDynamic(const char *name, const char *path, const char *func_name, PetscErrorCode (*create_func)(PetscRandom)) 2268 2269 Not Collective 2270 2271 Input Parameters: 2272 + name - The name of a new user-defined creation routine 2273 . path - The path (either absolute or relative) of the library containing this routine 2274 . func_name - The name of routine to create method context 2275 - create_func - The creation routine itself 2276 2277 Notes: 2278 PetscRandomRegisterDynamic() may be called multiple times to add several user-defined randome number generators 2279 2280 If dynamic libraries are used, then the fourth input argument (routine_create) is ignored. 2281 2282 Sample usage: 2283 .vb 2284 PetscRandomRegisterDynamic("my_rand","/home/username/my_lib/lib/libO/solaris/libmy.a", "MyPetscRandomtorCreate", MyPetscRandomtorCreate); 2285 .ve 2286 2287 Then, your random type can be chosen with the procedural interface via 2288 .vb 2289 PetscRandomCreate(MPI_Comm, PetscRandom *); 2290 PetscRandomSetType(PetscRandom,"my_random_name"); 2291 .ve 2292 or at runtime via the option 2293 .vb 2294 -random_type my_random_name 2295 .ve 2296 2297 Notes: $PETSC_ARCH occuring in pathname will be replaced with appropriate values. 2298 2299 For an example of the code needed to interface your own random number generator see 2300 src/sys/random/impls/rand/rand.c 2301 2302 Level: advanced 2303 2304 .keywords: PetscRandom, register 2305 .seealso: PetscRandomRegisterAll(), PetscRandomRegisterDestroy(), PetscRandomRegister() 2306 M*/ 2307 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 2308 #define PetscRandomRegisterDynamic(a,b,c,d) PetscRandomRegister(a,b,c,0) 2309 #else 2310 #define PetscRandomRegisterDynamic(a,b,c,d) PetscRandomRegister(a,b,c,d) 2311 #endif 2312 2313 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomCreate(MPI_Comm,PetscRandom*); 2314 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomGetValue(PetscRandom,PetscScalar*); 2315 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomGetValueReal(PetscRandom,PetscReal*); 2316 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomGetInterval(PetscRandom,PetscScalar*,PetscScalar*); 2317 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomSetInterval(PetscRandom,PetscScalar,PetscScalar); 2318 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomSetSeed(PetscRandom,unsigned long); 2319 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomGetSeed(PetscRandom,unsigned long *); 2320 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomSeed(PetscRandom); 2321 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRandomDestroy(PetscRandom); 2322 2323 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetFullPath(const char[],char[],size_t); 2324 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetRelativePath(const char[],char[],size_t); 2325 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetWorkingDirectory(char[],size_t); 2326 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetRealPath(const char[],char[]); 2327 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetHomeDirectory(char[],size_t); 2328 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTestFile(const char[],char,PetscTruth*); 2329 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTestDirectory(const char[],char,PetscTruth*); 2330 2331 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinaryRead(int,void*,PetscInt,PetscDataType); 2332 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinarySynchronizedRead(MPI_Comm,int,void*,PetscInt,PetscDataType); 2333 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinarySynchronizedWrite(MPI_Comm,int,void*,PetscInt,PetscDataType,PetscTruth); 2334 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinaryWrite(int,void*,PetscInt,PetscDataType,PetscTruth); 2335 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinaryOpen(const char[],PetscFileMode,int *); 2336 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinaryClose(int); 2337 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSharedTmp(MPI_Comm,PetscTruth *); 2338 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSharedWorkingDirectory(MPI_Comm,PetscTruth *); 2339 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetTmp(MPI_Comm,char[],size_t); 2340 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFileRetrieve(MPI_Comm,const char[],char[],size_t,PetscTruth*); 2341 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscLs(MPI_Comm,const char[],char[],size_t,PetscTruth*); 2342 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenSocket(char*,int,int*); 2343 2344 /* 2345 In binary files variables are stored using the following lengths, 2346 regardless of how they are stored in memory on any one particular 2347 machine. Use these rather then sizeof() in computing sizes for 2348 PetscBinarySeek(). 2349 */ 2350 #define PETSC_BINARY_INT_SIZE (32/8) 2351 #define PETSC_BINARY_FLOAT_SIZE (32/8) 2352 #define PETSC_BINARY_CHAR_SIZE (8/8) 2353 #define PETSC_BINARY_SHORT_SIZE (16/8) 2354 #define PETSC_BINARY_DOUBLE_SIZE (64/8) 2355 #define PETSC_BINARY_SCALAR_SIZE sizeof(PetscScalar) 2356 2357 /*E 2358 PetscBinarySeekType - argument to PetscBinarySeek() 2359 2360 Level: advanced 2361 2362 .seealso: PetscBinarySeek(), PetscBinarySynchronizedSeek() 2363 E*/ 2364 typedef enum {PETSC_BINARY_SEEK_SET = 0,PETSC_BINARY_SEEK_CUR = 1,PETSC_BINARY_SEEK_END = 2} PetscBinarySeekType; 2365 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinarySeek(int,off_t,PetscBinarySeekType,off_t*); 2366 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBinarySynchronizedSeek(MPI_Comm,int,off_t,PetscBinarySeekType,off_t*); 2367 2368 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetDebugTerminal(const char[]); 2369 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetDebugger(const char[],PetscTruth); 2370 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetDefaultDebugger(void); 2371 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetDebuggerFromString(char*); 2372 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscAttachDebugger(void); 2373 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStopForDebugger(void); 2374 2375 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGatherNumberOfMessages(MPI_Comm,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt*); 2376 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGatherMessageLengths(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**); 2377 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGatherMessageLengths2(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**,PetscMPIInt**); 2378 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPostIrecvInt(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscInt***,MPI_Request**); 2379 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPostIrecvScalar(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscScalar***,MPI_Request**); 2380 2381 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSSEIsEnabled(MPI_Comm,PetscTruth *,PetscTruth *); 2382 2383 /*E 2384 InsertMode - Whether entries are inserted or added into vectors or matrices 2385 2386 Level: beginner 2387 2388 .seealso: VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(), 2389 VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(), 2390 MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd() 2391 E*/ 2392 typedef enum {NOT_SET_VALUES, INSERT_VALUES, ADD_VALUES, MAX_VALUES} InsertMode; 2393 2394 /*MC 2395 INSERT_VALUES - Put a value into a vector or matrix, overwrites any previous value 2396 2397 Level: beginner 2398 2399 .seealso: InsertMode, VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(), 2400 VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(), ADD_VALUES, 2401 MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd(), MAX_VALUES 2402 2403 M*/ 2404 2405 /*MC 2406 ADD_VALUES - Adds a value into a vector or matrix, if there previously was no value, just puts the 2407 value into that location 2408 2409 Level: beginner 2410 2411 .seealso: InsertMode, VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(), 2412 VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(), INSERT_VALUES, 2413 MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd(), MAX_VALUES 2414 2415 M*/ 2416 2417 /*MC 2418 MAX_VALUES - Puts the maximum of the scattered/gathered value and the current value into each location 2419 2420 Level: beginner 2421 2422 .seealso: InsertMode, VecScatterBegin(), VecScatterEnd(), ADD_VALUES, INSERT_VALUES 2423 2424 M*/ 2425 2426 /*S 2427 PetscSubcomm - Context of MPI subcommunicators, used by PCREDUNDANT 2428 2429 Level: advanced 2430 2431 Concepts: communicator, create 2432 S*/ 2433 typedef struct _n_PetscSubcomm* PetscSubcomm; 2434 2435 struct _n_PetscSubcomm { 2436 MPI_Comm parent; /* parent communicator */ 2437 MPI_Comm dupparent; /* duplicate parent communicator, under which the processors of this subcomm have contiguous rank */ 2438 MPI_Comm comm; /* this communicator */ 2439 PetscInt n; /* num of subcommunicators under the parent communicator */ 2440 PetscInt color; /* color of processors belong to this communicator */ 2441 }; 2442 2443 EXTERN PetscErrorCode PETSCMAT_DLLEXPORT PetscSubcommCreate(MPI_Comm,PetscInt,PetscSubcomm*); 2444 EXTERN PetscErrorCode PETSCMAT_DLLEXPORT PetscSubcommDestroy(PetscSubcomm); 2445 2446 PETSC_EXTERN_CXX_END 2447 2448 #endif 2449