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 " The PETSc Team\n petsc-maint@mcs.anl.gov\n http://www.mcs.anl.gov/petsc/\n" 42 #if (PETSC_VERSION_RELEASE == 1) 43 #define PetscGetVersion(version,len) PetscSNPrintf(version,len,"Petsc Release Version %d.%d.%d, Patch %d, %s ", \ 44 PETSC_VERSION_MAJOR,PETSC_VERSION_MINOR, PETSC_VERSION_SUBMINOR, \ 45 PETSC_VERSION_PATCH,PETSC_VERSION_PATCH_DATE) 46 #else 47 #define PetscGetVersion(version,len) PetscSNPrintf(version,len,"Petsc Development HG revision: %s HG Date: %s", \ 48 PETSC_VERSION_HG, PETSC_VERSION_DATE_HG) 49 #endif 50 51 /*MC 52 PetscGetVersion - Gets the PETSc version information in a string. 53 54 Input Parameter: 55 . len - length of the string 56 57 Output Parameter: 58 . version - version string 59 60 Level: developer 61 62 Usage: 63 char version[256]; 64 ierr = PetscGetVersion(version,256);CHKERRQ(ierr) 65 66 Fortran Note: 67 This routine is not supported in Fortran. 68 69 .seealso: PetscGetProgramName() 70 71 M*/ 72 73 /* ========================================================================== */ 74 75 /* 76 Currently cannot check formatting for PETSc print statements because we have our 77 own format %D and %G 78 */ 79 #undef PETSC_PRINTF_FORMAT_CHECK 80 #define PETSC_PRINTF_FORMAT_CHECK(a,b) 81 #undef PETSC_FPRINTF_FORMAT_CHECK 82 #define PETSC_FPRINTF_FORMAT_CHECK(a,b) 83 84 /* 85 Fixes for ./configure time choices which impact our interface. Currently only 86 calling conventions and extra compiler checking falls under this category. 87 */ 88 #if !defined(PETSC_STDCALL) 89 #define PETSC_STDCALL 90 #endif 91 #if !defined(PETSC_TEMPLATE) 92 #define PETSC_TEMPLATE 93 #endif 94 #if !defined(PETSC_HAVE_DLL_EXPORT) 95 #define PETSC_DLL_EXPORT 96 #define PETSC_DLL_IMPORT 97 #endif 98 #if !defined(PETSCSYS_DLLEXPORT) 99 #define PETSCSYS_DLLEXPORT 100 #endif 101 #if !defined(PETSCVEC_DLLEXPORT) 102 #define PETSCVEC_DLLEXPORT 103 #endif 104 #if !defined(PETSCMAT_DLLEXPORT) 105 #define PETSCMAT_DLLEXPORT 106 #endif 107 #if !defined(PETSCDM_DLLEXPORT) 108 #define PETSCDM_DLLEXPORT 109 #endif 110 #if !defined(PETSCKSP_DLLEXPORT) 111 #define PETSCKSP_DLLEXPORT 112 #endif 113 #if !defined(PETSCSNES_DLLEXPORT) 114 #define PETSCSNES_DLLEXPORT 115 #endif 116 #if !defined(PETSCTS_DLLEXPORT) 117 #define PETSCTS_DLLEXPORT 118 #endif 119 #if !defined(PETSCFORTRAN_DLLEXPORT) 120 #define PETSCFORTRAN_DLLEXPORT 121 #endif 122 /* ========================================================================== */ 123 124 /* 125 Defines the interface to MPI allowing the use of all MPI functions. 126 127 PETSc does not use the C++ binding of MPI at ALL. The following flag 128 makes sure the C++ bindings are not included. The C++ bindings REQUIRE 129 putting mpi.h before ANY C++ include files, we cannot control this 130 with all PETSc users. Users who want to use the MPI C++ bindings can include 131 mpicxx.h directly in their code 132 */ 133 #define MPICH_SKIP_MPICXX 1 134 #define OMPI_SKIP_MPICXX 1 135 #include "mpi.h" 136 137 /* 138 Yuck, we need to put stdio.h AFTER mpi.h for MPICH2 with C++ compiler 139 see the top of mpicxx.h in the MPICH2 distribution. 140 141 The MPI STANDARD HAS TO BE CHANGED to prevent this nonsense. 142 */ 143 #include <stdio.h> 144 145 /* MSMPI on 32bit windows requires this yukky hack - that breaks MPI standard compliance */ 146 #if !defined(MPIAPI) 147 #define MPIAPI 148 #endif 149 150 151 /*MC 152 PetscErrorCode - datatype used for return error code from all PETSc functions 153 154 Level: beginner 155 156 .seealso: CHKERRQ, SETERRQ 157 M*/ 158 typedef int PetscErrorCode; 159 160 /*MC 161 162 PetscClassId - A unique id used to identify each PETSc class. 163 (internal integer in the data structure used for error 164 checking). These are all defined by an offset from the lowest 165 one, PETSC_SMALLEST_CLASSID. 166 167 Level: advanced 168 169 .seealso: PetscClassIdRegister(), PetscLogEventRegister(), PetscHeaderCreate() 170 M*/ 171 typedef int PetscClassId; 172 173 /*MC 174 PetscLogEvent - id used to identify PETSc or user events which timed portions (blocks of executable) 175 code. 176 177 Level: intermediate 178 179 .seealso: PetscLogEventRegister(), PetscLogEventBegin(), PetscLogEventEnd(), PetscLogStage 180 M*/ 181 typedef int PetscLogEvent; 182 183 /*MC 184 PetscLogStage - id used to identify user stages (phases, sections) of runs - for logging 185 186 Level: intermediate 187 188 .seealso: PetscLogStageRegister(), PetscLogStageBegin(), PetscLogStageEnd(), PetscLogEvent 189 M*/ 190 typedef int PetscLogStage; 191 192 /*MC 193 PetscBLASInt - datatype used to represent 'int' parameters to BLAS/LAPACK functions. 194 195 Level: intermediate 196 197 Notes: usually this is the same as PetscInt, but if PETSc was built with --with-64-bit-indices but 198 standard C/Fortran integers are 32 bit then this is NOT the same as PetscInt it remains 32 bit 199 (except on very rare BLAS/LAPACK implementations that support 64 bit integers). 200 201 PetscBLASIntCheck(a) checks if the given PetscInt a will fit in a PetscBLASInt, if not it generates a 202 PETSC_ERR_ARG_OUTOFRANGE. 203 204 PetscBLASInt b = PetscBLASIntCast(a) checks if the given PetscInt a will fit in a PetscBLASInt, if not it 205 generates a PETSC_ERR_ARG_OUTOFRANGE 206 207 .seealso: PetscMPIInt, PetscInt 208 209 M*/ 210 typedef int PetscBLASInt; 211 212 /*MC 213 PetscMPIInt - datatype used to represent 'int' parameters to MPI functions. 214 215 Level: intermediate 216 217 Notes: usually this is the same as PetscInt, but if PETSc was built with --with-64-bit-indices but 218 standard C/Fortran integers are 32 bit then this is NOT the same as PetscInt it remains 32 bit 219 220 PetscMPIIntCheck(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it generates a 221 PETSC_ERR_ARG_OUTOFRANGE. 222 223 PetscMPIInt b = PetscMPIIntCast(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it 224 generates a PETSC_ERR_ARG_OUTOFRANGE 225 226 .seealso: PetscBLASInt, PetscInt 227 228 M*/ 229 typedef int PetscMPIInt; 230 231 /*MC 232 PetscEnum - datatype used to pass enum types within PETSc functions. 233 234 Level: intermediate 235 236 PetscMPIIntCheck(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it generates a 237 PETSC_ERR_ARG_OUTOFRANGE. 238 239 PetscMPIInt b = PetscMPIIntCast(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it 240 generates a PETSC_ERR_ARG_OUTOFRANGE 241 242 .seealso: PetscOptionsGetEnum(), PetscOptionsEnum(), PetscBagRegisterEnum() 243 M*/ 244 typedef enum { ENUM_DUMMY } PetscEnum; 245 246 /*MC 247 PetscInt - PETSc type that represents integer - used primarily to 248 represent size of arrays and indexing into arrays. Its size can be configured with the option 249 --with-64-bit-indices - to be either 32bit or 64bit [default 32 bit ints] 250 251 Level: intermediate 252 253 .seealso: PetscScalar, PetscBLASInt, PetscMPIInt 254 M*/ 255 #if defined(PETSC_USE_64BIT_INDICES) 256 typedef long long PetscInt; 257 #define MPIU_INT MPI_LONG_LONG_INT 258 #else 259 typedef int PetscInt; 260 #define MPIU_INT MPI_INT 261 #endif 262 263 /* 264 For the rare cases when one needs to send a size_t object with MPI 265 */ 266 #if (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_INT) 267 #define MPIU_SIZE_T MPI_INT 268 #elif (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_LONG) 269 #define MPIU_SIZE_T MPI_LONG 270 #elif (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_LONG_LONG) 271 #define MPIU_SIZE_T MPI_LONG_LONG_INT 272 #else 273 #error "Unknown size for size_t! Send us a bugreport at petsc-maint@mcs.anl.gov" 274 #endif 275 276 277 /* 278 You can use PETSC_STDOUT as a replacement of stdout. You can also change 279 the value of PETSC_STDOUT to redirect all standard output elsewhere 280 */ 281 282 extern FILE* PETSC_STDOUT; 283 284 /* 285 You can use PETSC_STDERR as a replacement of stderr. You can also change 286 the value of PETSC_STDERR to redirect all standard error elsewhere 287 */ 288 extern FILE* PETSC_STDERR; 289 290 /* 291 PETSC_ZOPEFD is used to send data to the PETSc webpage. It can be used 292 in conjunction with PETSC_STDOUT, or by itself. 293 */ 294 extern FILE* PETSC_ZOPEFD; 295 296 #if !defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus) 297 /*MC 298 PetscPolymorphicSubroutine - allows defining a C++ polymorphic version of 299 a PETSc function that remove certain optional arguments for a simplier user interface 300 301 Synopsis: 302 PetscPolymorphicSubroutine(Functionname,(arguments of C++ function),(arguments of C function)) 303 304 Not collective 305 306 Level: developer 307 308 Example: 309 PetscPolymorphicSubroutine(VecNorm,(Vec x,PetscReal *r),(x,NORM_2,r)) generates the new routine 310 PetscErrorCode VecNorm(Vec x,PetscReal *r) = VecNorm(x,NORM_2,r) 311 312 .seealso: PetscPolymorphicFunction() 313 314 M*/ 315 #define PetscPolymorphicSubroutine(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {return A C;} 316 317 /*MC 318 PetscPolymorphicScalar - allows defining a C++ polymorphic version of 319 a PETSc function that replaces a PetscScalar * argument with a PetscScalar argument 320 321 Synopsis: 322 PetscPolymorphicScalar(Functionname,(arguments of C++ function),(arguments of C function)) 323 324 Not collective 325 326 Level: developer 327 328 Example: 329 PetscPolymorphicScalar(VecAXPY,(PetscScalar _val,Vec x,Vec y),(&_Val,x,y)) generates the new routine 330 PetscErrorCode VecAXPY(PetscScalar _val,Vec x,Vec y) = {PetscScalar _Val = _val; return VecAXPY(&_Val,x,y);} 331 332 .seealso: PetscPolymorphicFunction(),PetscPolymorphicSubroutine() 333 334 M*/ 335 #define PetscPolymorphicScalar(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {PetscScalar _Val = _val; return A C;} 336 337 /*MC 338 PetscPolymorphicFunction - allows defining a C++ polymorphic version of 339 a PETSc function that remove certain optional arguments for a simplier user interface 340 and returns the computed value (istead of an error code) 341 342 Synopsis: 343 PetscPolymorphicFunction(Functionname,(arguments of C++ function),(arguments of C function),return type,return variable name) 344 345 Not collective 346 347 Level: developer 348 349 Example: 350 PetscPolymorphicFunction(VecNorm,(Vec x,NormType t),(x,t,&r),PetscReal,r) generates the new routine 351 PetscReal VecNorm(Vec x,NormType t) = {PetscReal r; VecNorm(x,t,&r); return r;} 352 353 .seealso: PetscPolymorphicSubroutine() 354 355 M*/ 356 #define PetscPolymorphicFunction(A,B,C,D,E) PETSC_STATIC_INLINE D A B {D E; A C;return E;} 357 358 #else 359 #define PetscPolymorphicSubroutine(A,B,C) 360 #define PetscPolymorphicScalar(A,B,C) 361 #define PetscPolymorphicFunction(A,B,C,D,E) 362 #endif 363 364 /*MC 365 PetscUnlikely - hints the compiler that the given condition is usually FALSE 366 367 Synopsis: 368 PetscBool PetscUnlikely(PetscBool cond) 369 370 Not Collective 371 372 Input Parameters: 373 . cond - condition or expression 374 375 Note: This returns the same truth value, it is only a hint to compilers that the resulting 376 branch is unlikely. 377 378 Level: advanced 379 380 .seealso: PetscLikely(), CHKERRQ 381 M*/ 382 383 /*MC 384 PetscLikely - hints the compiler that the given condition is usually TRUE 385 386 Synopsis: 387 PetscBool PetscUnlikely(PetscBool cond) 388 389 Not Collective 390 391 Input Parameters: 392 . cond - condition or expression 393 394 Note: This returns the same truth value, it is only a hint to compilers that the resulting 395 branch is likely. 396 397 Level: advanced 398 399 .seealso: PetscUnlikely() 400 M*/ 401 #if defined(PETSC_HAVE_BUILTIN_EXPECT) 402 # define PetscUnlikely(cond) __builtin_expect(!!(cond),0) 403 # define PetscLikely(cond) __builtin_expect(!!(cond),1) 404 #else 405 # define PetscUnlikely(cond) (cond) 406 # define PetscLikely(cond) (cond) 407 #endif 408 409 /* 410 Extern indicates a PETSc function defined elsewhere 411 */ 412 #if !defined(EXTERN) 413 #define EXTERN extern 414 #endif 415 416 /* 417 Defines some elementary mathematics functions and constants. 418 */ 419 #include "petscmath.h" 420 421 /* 422 Declare extern C stuff after including external header files 423 */ 424 425 PETSC_EXTERN_CXX_BEGIN 426 427 /* 428 Basic PETSc constants 429 */ 430 431 /*E 432 PetscBool - Logical variable. Actually an int in C and a logical in Fortran. 433 434 Level: beginner 435 436 Developer Note: Why have PetscBool , why not use bool in C? The problem is that K and R C, C99 and C++ all have different mechanisms for 437 boolean values. It is not easy to have a simple macro that that will work properly in all circumstances with all three mechanisms. 438 439 E*/ 440 typedef enum { PETSC_FALSE,PETSC_TRUE } PetscBool; 441 extern const char *PetscBools[]; 442 443 /*E 444 PetscCopyMode - Determines how an array passed to certain functions is copied or retained 445 446 Level: beginner 447 448 $ PETSC_COPY_VALUES - the array values are copied into new space, the user is free to reuse or delete the passed in array 449 $ PETSC_OWN_POINTER - the array values are NOT copied, the object takes ownership of the array and will free it later, the user cannot change or 450 $ delete the array. The array MUST have been obtained with PetscMalloc(). Hence this mode cannot be used in Fortran. 451 $ PETSC_USE_POINTER - the array values are NOT copied, the object uses the array but does NOT take ownership of the array. The user cannot use 452 the array but the user must delete the array after the object is destroyed. 453 454 E*/ 455 typedef enum { PETSC_COPY_VALUES, PETSC_OWN_POINTER, PETSC_USE_POINTER} PetscCopyMode; 456 extern const char *PetscCopyModes[]; 457 458 /*MC 459 PETSC_FALSE - False value of PetscBool 460 461 Level: beginner 462 463 Note: Zero integer 464 465 .seealso: PetscBool , PETSC_TRUE 466 M*/ 467 468 /*MC 469 PETSC_TRUE - True value of PetscBool 470 471 Level: beginner 472 473 Note: Nonzero integer 474 475 .seealso: PetscBool , PETSC_FALSE 476 M*/ 477 478 /*MC 479 PETSC_YES - Alias for PETSC_TRUE 480 481 Level: beginner 482 483 Note: Zero integer 484 485 .seealso: PetscBool , PETSC_TRUE, PETSC_FALSE, PETSC_NO 486 M*/ 487 #define PETSC_YES PETSC_TRUE 488 489 /*MC 490 PETSC_NO - Alias for PETSC_FALSE 491 492 Level: beginner 493 494 Note: Nonzero integer 495 496 .seealso: PetscBool , PETSC_TRUE, PETSC_FALSE, PETSC_YES 497 M*/ 498 #define PETSC_NO PETSC_FALSE 499 500 /*MC 501 PETSC_NULL - standard way of passing in a null or array or pointer 502 503 Level: beginner 504 505 Notes: accepted by many PETSc functions to not set a parameter and instead use 506 some default 507 508 This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, 509 PETSC_NULL_DOUBLE_PRECISION, PETSC_NULL_FUNCTION, PETSC_NULL_OBJECT etc 510 511 Developer Note: Why have PETSC_NULL, why not just use NULL? The problem is that NULL is defined in different include files under 512 different versions of Unix. It is tricky to insure the correct include file is always included. 513 514 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE 515 516 M*/ 517 #define PETSC_NULL 0 518 519 /*MC 520 PETSC_DECIDE - standard way of passing in integer or floating point parameter 521 where you wish PETSc to use the default. 522 523 Level: beginner 524 525 .seealso: PETSC_NULL, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE 526 527 M*/ 528 #define PETSC_DECIDE -1 529 530 /*MC 531 PETSC_DEFAULT - standard way of passing in integer or floating point parameter 532 where you wish PETSc to use the default. 533 534 Level: beginner 535 536 Fortran Notes: You need to use PETSC_DEFAULT_INTEGER or PETSC_DEFAULT_DOUBLE_PRECISION. 537 538 .seealso: PETSC_DECIDE, PETSC_NULL, PETSC_IGNORE, PETSC_DETERMINE 539 540 M*/ 541 #define PETSC_DEFAULT -2 542 543 544 /*MC 545 PETSC_IGNORE - same as PETSC_NULL, means PETSc will ignore this argument 546 547 Level: beginner 548 549 Note: accepted by many PETSc functions to not set a parameter and instead use 550 some default 551 552 Fortran Notes: This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, 553 PETSC_NULL_DOUBLE_PRECISION etc 554 555 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_NULL, PETSC_DETERMINE 556 557 M*/ 558 #define PETSC_IGNORE PETSC_NULL 559 560 /*MC 561 PETSC_DETERMINE - standard way of passing in integer or floating point parameter 562 where you wish PETSc to compute the required value. 563 564 Level: beginner 565 566 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_NULL, VecSetSizes() 567 568 M*/ 569 #define PETSC_DETERMINE PETSC_DECIDE 570 571 /*MC 572 PETSC_COMM_WORLD - the equivalent of the MPI_COMM_WORLD communicator which represents 573 all the processs that PETSc knows about. 574 575 Level: beginner 576 577 Notes: By default PETSC_COMM_WORLD and MPI_COMM_WORLD are identical unless you wish to 578 run PETSc on ONLY a subset of MPI_COMM_WORLD. In that case create your new (smaller) 579 communicator, call it, say comm, and set PETSC_COMM_WORLD = comm BEFORE calling 580 PetscInitialize() 581 582 .seealso: PETSC_COMM_SELF 583 584 M*/ 585 extern MPI_Comm PETSC_COMM_WORLD; 586 587 /*MC 588 PETSC_COMM_SELF - This is always MPI_COMM_SELF 589 590 Level: beginner 591 592 .seealso: PETSC_COMM_WORLD 593 594 M*/ 595 #define PETSC_COMM_SELF MPI_COMM_SELF 596 597 extern PETSCSYS_DLLEXPORT PetscBool PetscInitializeCalled; 598 extern PETSCSYS_DLLEXPORT PetscBool PetscFinalizeCalled; 599 600 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSetHelpVersionFunctions(PetscErrorCode (*)(MPI_Comm),PetscErrorCode (*)(MPI_Comm)); 601 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscCommDuplicate(MPI_Comm,MPI_Comm*,int*); 602 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscCommDestroy(MPI_Comm*); 603 604 /*MC 605 PetscMalloc - Allocates memory 606 607 Synopsis: 608 PetscErrorCode PetscMalloc(size_t m,void **result) 609 610 Not Collective 611 612 Input Parameter: 613 . m - number of bytes to allocate 614 615 Output Parameter: 616 . result - memory allocated 617 618 Level: beginner 619 620 Notes: Memory is always allocated at least double aligned 621 622 If you request memory of zero size it will allocate no space and assign the pointer to 0; PetscFree() will 623 properly handle not freeing the null pointer. 624 625 .seealso: PetscFree(), PetscNew() 626 627 Concepts: memory allocation 628 629 M*/ 630 #define PetscMalloc(a,b) ((a != 0) ? (*PetscTrMalloc)((a),__LINE__,PETSC_FUNCTION_NAME,__FILE__,__SDIR__,(void**)(b)) : (*(b) = 0,0) ) 631 632 /*MC 633 PetscAddrAlign - Rounds up an address to PETSC_MEMALIGN alignment 634 635 Synopsis: 636 void *PetscAddrAlign(void *addr) 637 638 Not Collective 639 640 Input Parameters: 641 . addr - address to align (any pointer type) 642 643 Level: developer 644 645 .seealso: PetscMallocAlign() 646 647 Concepts: memory allocation 648 M*/ 649 #if defined PETSC_UINTPTR_T 650 # define PetscAddrAlign(a) (void*)((((PETSC_UINTPTR_T)(a))+(PETSC_MEMALIGN-1)) & ~(PETSC_MEMALIGN-1)) 651 #else 652 # define PetscAddrAlign(a) (void*)(a) 653 #endif 654 655 /*MC 656 PetscMalloc2 - Allocates 2 chunks of memory both aligned to PETSC_MEMALIGN 657 658 Synopsis: 659 PetscErrorCode PetscMalloc2(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2) 660 661 Not Collective 662 663 Input Parameter: 664 + m1 - number of elements to allocate in 1st chunk (may be zero) 665 . t1 - type of first memory elements 666 . m2 - number of elements to allocate in 2nd chunk (may be zero) 667 - t2 - type of second memory elements 668 669 Output Parameter: 670 + r1 - memory allocated in first chunk 671 - r2 - memory allocated in second chunk 672 673 Level: developer 674 675 .seealso: PetscFree(), PetscNew(), PetscMalloc() 676 677 Concepts: memory allocation 678 679 M*/ 680 #if defined(PETSC_USE_DEBUG) 681 #define PetscMalloc2(m1,t1,r1,m2,t2,r2) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2)) 682 #else 683 #define PetscMalloc2(m1,t1,r1,m2,t2,r2) ((*(r2) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(PETSC_MEMALIGN-1),r1)) \ 684 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),0)) 685 #endif 686 687 /*MC 688 PetscMalloc3 - Allocates 3 chunks of memory all aligned to PETSC_MEMALIGN 689 690 Synopsis: 691 PetscErrorCode PetscMalloc3(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3) 692 693 Not Collective 694 695 Input Parameter: 696 + m1 - number of elements to allocate in 1st chunk (may be zero) 697 . t1 - type of first memory elements 698 . m2 - number of elements to allocate in 2nd chunk (may be zero) 699 . t2 - type of second memory elements 700 . m3 - number of elements to allocate in 3rd chunk (may be zero) 701 - t3 - type of third memory elements 702 703 Output Parameter: 704 + r1 - memory allocated in first chunk 705 . r2 - memory allocated in second chunk 706 - r3 - memory allocated in third chunk 707 708 Level: developer 709 710 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3() 711 712 Concepts: memory allocation 713 714 M*/ 715 #if defined(PETSC_USE_DEBUG) 716 #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)) 717 #else 718 #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)) \ 719 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),0)) 720 #endif 721 722 /*MC 723 PetscMalloc4 - Allocates 4 chunks of memory all aligned to PETSC_MEMALIGN 724 725 Synopsis: 726 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) 727 728 Not Collective 729 730 Input Parameter: 731 + m1 - number of elements to allocate in 1st chunk (may be zero) 732 . t1 - type of first memory elements 733 . m2 - number of elements to allocate in 2nd chunk (may be zero) 734 . t2 - type of second memory elements 735 . m3 - number of elements to allocate in 3rd chunk (may be zero) 736 . t3 - type of third memory elements 737 . m4 - number of elements to allocate in 4th chunk (may be zero) 738 - t4 - type of fourth memory elements 739 740 Output Parameter: 741 + r1 - memory allocated in first chunk 742 . r2 - memory allocated in second chunk 743 . r3 - memory allocated in third chunk 744 - r4 - memory allocated in fourth chunk 745 746 Level: developer 747 748 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4() 749 750 Concepts: memory allocation 751 752 M*/ 753 #if defined(PETSC_USE_DEBUG) 754 #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)) 755 #else 756 #define PetscMalloc4(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4) \ 757 ((*(r2) = 0, *(r3) = 0, *(r4) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+3*(PETSC_MEMALIGN-1),r1)) \ 758 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),0)) 759 #endif 760 761 /*MC 762 PetscMalloc5 - Allocates 5 chunks of memory all aligned to PETSC_MEMALIGN 763 764 Synopsis: 765 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) 766 767 Not Collective 768 769 Input Parameter: 770 + m1 - number of elements to allocate in 1st chunk (may be zero) 771 . t1 - type of first memory elements 772 . m2 - number of elements to allocate in 2nd chunk (may be zero) 773 . t2 - type of second memory elements 774 . m3 - number of elements to allocate in 3rd chunk (may be zero) 775 . t3 - type of third memory elements 776 . m4 - number of elements to allocate in 4th chunk (may be zero) 777 . t4 - type of fourth memory elements 778 . m5 - number of elements to allocate in 5th chunk (may be zero) 779 - t5 - type of fifth memory elements 780 781 Output Parameter: 782 + r1 - memory allocated in first chunk 783 . r2 - memory allocated in second chunk 784 . r3 - memory allocated in third chunk 785 . r4 - memory allocated in fourth chunk 786 - r5 - memory allocated in fifth chunk 787 788 Level: developer 789 790 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5() 791 792 Concepts: memory allocation 793 794 M*/ 795 #if defined(PETSC_USE_DEBUG) 796 #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)) 797 #else 798 #define PetscMalloc5(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5) \ 799 ((*(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)) \ 800 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),*(r5) = (t5*)PetscAddrAlign(*(r4)+m4),0)) 801 #endif 802 803 804 /*MC 805 PetscMalloc6 - Allocates 6 chunks of memory all aligned to PETSC_MEMALIGN 806 807 Synopsis: 808 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) 809 810 Not Collective 811 812 Input Parameter: 813 + m1 - number of elements to allocate in 1st chunk (may be zero) 814 . t1 - type of first memory elements 815 . m2 - number of elements to allocate in 2nd chunk (may be zero) 816 . t2 - type of second memory elements 817 . m3 - number of elements to allocate in 3rd chunk (may be zero) 818 . t3 - type of third memory elements 819 . m4 - number of elements to allocate in 4th chunk (may be zero) 820 . t4 - type of fourth memory elements 821 . m5 - number of elements to allocate in 5th chunk (may be zero) 822 . t5 - type of fifth memory elements 823 . m6 - number of elements to allocate in 6th chunk (may be zero) 824 - t6 - type of sixth memory elements 825 826 Output Parameter: 827 + r1 - memory allocated in first chunk 828 . r2 - memory allocated in second chunk 829 . r3 - memory allocated in third chunk 830 . r4 - memory allocated in fourth chunk 831 . r5 - memory allocated in fifth chunk 832 - r6 - memory allocated in sixth chunk 833 834 Level: developer 835 836 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6() 837 838 Concepts: memory allocation 839 840 M*/ 841 #if defined(PETSC_USE_DEBUG) 842 #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)) 843 #else 844 #define PetscMalloc6(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6) \ 845 ((*(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)) \ 846 || (*(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)) 847 #endif 848 849 /*MC 850 PetscMalloc7 - Allocates 7 chunks of memory all aligned to PETSC_MEMALIGN 851 852 Synopsis: 853 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) 854 855 Not Collective 856 857 Input Parameter: 858 + m1 - number of elements to allocate in 1st chunk (may be zero) 859 . t1 - type of first memory elements 860 . m2 - number of elements to allocate in 2nd chunk (may be zero) 861 . t2 - type of second memory elements 862 . m3 - number of elements to allocate in 3rd chunk (may be zero) 863 . t3 - type of third memory elements 864 . m4 - number of elements to allocate in 4th chunk (may be zero) 865 . t4 - type of fourth memory elements 866 . m5 - number of elements to allocate in 5th chunk (may be zero) 867 . t5 - type of fifth memory elements 868 . m6 - number of elements to allocate in 6th chunk (may be zero) 869 . t6 - type of sixth memory elements 870 . m7 - number of elements to allocate in 7th chunk (may be zero) 871 - t7 - type of sixth memory elements 872 873 Output Parameter: 874 + r1 - memory allocated in first chunk 875 . r2 - memory allocated in second chunk 876 . r3 - memory allocated in third chunk 877 . r4 - memory allocated in fourth chunk 878 . r5 - memory allocated in fifth chunk 879 . r6 - memory allocated in sixth chunk 880 - r7 - memory allocated in seventh chunk 881 882 Level: developer 883 884 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6(), PetscFree7() 885 886 Concepts: memory allocation 887 888 M*/ 889 #if defined(PETSC_USE_DEBUG) 890 #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)) 891 #else 892 #define PetscMalloc7(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6,m7,t7,r7) \ 893 ((*(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)) \ 894 || (*(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)) 895 #endif 896 897 /*MC 898 PetscNew - Allocates memory of a particular type, zeros the memory! Aligned to PETSC_MEMALIGN 899 900 Synopsis: 901 PetscErrorCode PetscNew(struct type,((type *))result) 902 903 Not Collective 904 905 Input Parameter: 906 . type - structure name of space to be allocated. Memory of size sizeof(type) is allocated 907 908 Output Parameter: 909 . result - memory allocated 910 911 Level: beginner 912 913 .seealso: PetscFree(), PetscMalloc() 914 915 Concepts: memory allocation 916 917 M*/ 918 #define PetscNew(A,b) (PetscMalloc(sizeof(A),(b)) || PetscMemzero(*(b),sizeof(A))) 919 #define PetscNewLog(o,A,b) (PetscNew(A,b) || ((o) ? PetscLogObjectMemory(o,sizeof(A)) : 0)) 920 921 /*MC 922 PetscFree - Frees memory 923 924 Synopsis: 925 PetscErrorCode PetscFree(void *memory) 926 927 Not Collective 928 929 Input Parameter: 930 . memory - memory to free (the pointer is ALWAYS set to 0 upon sucess) 931 932 Level: beginner 933 934 Notes: Memory must have been obtained with PetscNew() or PetscMalloc() 935 936 .seealso: PetscNew(), PetscMalloc(), PetscFreeVoid() 937 938 Concepts: memory allocation 939 940 M*/ 941 #define PetscFree(a) ((a) ? ((*PetscTrFree)((void*)(a),__LINE__,PETSC_FUNCTION_NAME,__FILE__,__SDIR__) || (((a) = 0),0)) : 0) 942 943 /*MC 944 PetscFreeVoid - Frees memory 945 946 Synopsis: 947 void PetscFreeVoid(void *memory) 948 949 Not Collective 950 951 Input Parameter: 952 . memory - memory to free 953 954 Level: beginner 955 956 Notes: This is different from PetscFree() in that no error code is returned 957 958 .seealso: PetscFree(), PetscNew(), PetscMalloc() 959 960 Concepts: memory allocation 961 962 M*/ 963 #define PetscFreeVoid(a) ((*PetscTrFree)((a),__LINE__,PETSC_FUNCTION_NAME,__FILE__,__SDIR__),(a) = 0) 964 965 966 /*MC 967 PetscFree2 - Frees 2 chunks of memory obtained with PetscMalloc2() 968 969 Synopsis: 970 PetscErrorCode PetscFree2(void *memory1,void *memory2) 971 972 Not Collective 973 974 Input Parameter: 975 + memory1 - memory to free 976 - memory2 - 2nd memory to free 977 978 Level: developer 979 980 Notes: Memory must have been obtained with PetscMalloc2() 981 982 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree() 983 984 Concepts: memory allocation 985 986 M*/ 987 #if defined(PETSC_USE_DEBUG) 988 #define PetscFree2(m1,m2) (PetscFree(m2) || PetscFree(m1)) 989 #else 990 #define PetscFree2(m1,m2) ((m2)=0, PetscFree(m1)) 991 #endif 992 993 /*MC 994 PetscFree3 - Frees 3 chunks of memory obtained with PetscMalloc3() 995 996 Synopsis: 997 PetscErrorCode PetscFree3(void *memory1,void *memory2,void *memory3) 998 999 Not Collective 1000 1001 Input Parameter: 1002 + memory1 - memory to free 1003 . memory2 - 2nd memory to free 1004 - memory3 - 3rd memory to free 1005 1006 Level: developer 1007 1008 Notes: Memory must have been obtained with PetscMalloc3() 1009 1010 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3() 1011 1012 Concepts: memory allocation 1013 1014 M*/ 1015 #if defined(PETSC_USE_DEBUG) 1016 #define PetscFree3(m1,m2,m3) (PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1017 #else 1018 #define PetscFree3(m1,m2,m3) ((m3)=0,(m2)=0,PetscFree(m1)) 1019 #endif 1020 1021 /*MC 1022 PetscFree4 - Frees 4 chunks of memory obtained with PetscMalloc4() 1023 1024 Synopsis: 1025 PetscErrorCode PetscFree4(void *m1,void *m2,void *m3,void *m4) 1026 1027 Not Collective 1028 1029 Input Parameter: 1030 + m1 - memory to free 1031 . m2 - 2nd memory to free 1032 . m3 - 3rd memory to free 1033 - m4 - 4th memory to free 1034 1035 Level: developer 1036 1037 Notes: Memory must have been obtained with PetscMalloc4() 1038 1039 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4() 1040 1041 Concepts: memory allocation 1042 1043 M*/ 1044 #if defined(PETSC_USE_DEBUG) 1045 #define PetscFree4(m1,m2,m3,m4) (PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1046 #else 1047 #define PetscFree4(m1,m2,m3,m4) ((m4)=0,(m3)=0,(m2)=0,PetscFree(m1)) 1048 #endif 1049 1050 /*MC 1051 PetscFree5 - Frees 5 chunks of memory obtained with PetscMalloc5() 1052 1053 Synopsis: 1054 PetscErrorCode PetscFree5(void *m1,void *m2,void *m3,void *m4,void *m5) 1055 1056 Not Collective 1057 1058 Input Parameter: 1059 + m1 - memory to free 1060 . m2 - 2nd memory to free 1061 . m3 - 3rd memory to free 1062 . m4 - 4th memory to free 1063 - m5 - 5th memory to free 1064 1065 Level: developer 1066 1067 Notes: Memory must have been obtained with PetscMalloc5() 1068 1069 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5() 1070 1071 Concepts: memory allocation 1072 1073 M*/ 1074 #if defined(PETSC_USE_DEBUG) 1075 #define PetscFree5(m1,m2,m3,m4,m5) (PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1076 #else 1077 #define PetscFree5(m1,m2,m3,m4,m5) ((m5)=0,(m4)=0,(m3)=0,(m2)=0,PetscFree(m1)) 1078 #endif 1079 1080 1081 /*MC 1082 PetscFree6 - Frees 6 chunks of memory obtained with PetscMalloc6() 1083 1084 Synopsis: 1085 PetscErrorCode PetscFree6(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6) 1086 1087 Not Collective 1088 1089 Input Parameter: 1090 + m1 - memory to free 1091 . m2 - 2nd memory to free 1092 . m3 - 3rd memory to free 1093 . m4 - 4th memory to free 1094 . m5 - 5th memory to free 1095 - m6 - 6th memory to free 1096 1097 1098 Level: developer 1099 1100 Notes: Memory must have been obtained with PetscMalloc6() 1101 1102 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6() 1103 1104 Concepts: memory allocation 1105 1106 M*/ 1107 #if defined(PETSC_USE_DEBUG) 1108 #define PetscFree6(m1,m2,m3,m4,m5,m6) (PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1109 #else 1110 #define PetscFree6(m1,m2,m3,m4,m5,m6) ((m6)=0,(m5)=0,(m4)=0,(m3)=0,(m2)=0,PetscFree(m1)) 1111 #endif 1112 1113 /*MC 1114 PetscFree7 - Frees 7 chunks of memory obtained with PetscMalloc7() 1115 1116 Synopsis: 1117 PetscErrorCode PetscFree7(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6,void *m7) 1118 1119 Not Collective 1120 1121 Input Parameter: 1122 + m1 - memory to free 1123 . m2 - 2nd memory to free 1124 . m3 - 3rd memory to free 1125 . m4 - 4th memory to free 1126 . m5 - 5th memory to free 1127 . m6 - 6th memory to free 1128 - m7 - 7th memory to free 1129 1130 1131 Level: developer 1132 1133 Notes: Memory must have been obtained with PetscMalloc7() 1134 1135 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6(), 1136 PetscMalloc7() 1137 1138 Concepts: memory allocation 1139 1140 M*/ 1141 #if defined(PETSC_USE_DEBUG) 1142 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7) (PetscFree(m7) || PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1143 #else 1144 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7) ((m7)=0,(m6)=0,(m5)=0,(m4)=0,(m3)=0,(m2)=0,PetscFree(m1)) 1145 #endif 1146 1147 EXTERN PETSCSYS_DLLEXPORT PetscErrorCode (*PetscTrMalloc)(size_t,int,const char[],const char[],const char[],void**); 1148 EXTERN PETSCSYS_DLLEXPORT PetscErrorCode (*PetscTrFree)(void*,int,const char[],const char[],const char[]); 1149 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMallocSet(PetscErrorCode (*)(size_t,int,const char[],const char[],const char[],void**),PetscErrorCode (*)(void*,int,const char[],const char[],const char[])); 1150 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMallocClear(void); 1151 1152 /* 1153 Routines for tracing memory corruption/bleeding with default PETSc 1154 memory allocation 1155 */ 1156 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMallocDump(FILE *); 1157 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMallocDumpLog(FILE *); 1158 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMallocGetCurrentUsage(PetscLogDouble *); 1159 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMallocGetMaximumUsage(PetscLogDouble *); 1160 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMallocDebug(PetscBool ); 1161 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMallocValidate(int,const char[],const char[],const char[]); 1162 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMallocSetDumpLog(void); 1163 1164 1165 /* 1166 Variable type where we stash PETSc object pointers in Fortran. 1167 On most machines size(pointer) == sizeof(long) - except windows 1168 where its sizeof(long long) 1169 */ 1170 1171 #if (PETSC_SIZEOF_VOID_P) == (PETSC_SIZEOF_LONG) 1172 #define PetscFortranAddr long 1173 #elif (PETSC_SIZEOF_VOID_P) == (PETSC_SIZEOF_LONG_LONG) 1174 #define PetscFortranAddr long long 1175 #else 1176 #error "Unknown size for PetscFortranAddr! Send us a bugreport at petsc-maint@mcs.anl.gov" 1177 #endif 1178 1179 /*E 1180 PetscDataType - Used for handling different basic data types. 1181 1182 Level: beginner 1183 1184 Developer comment: It would be nice if we could always just use MPI Datatypes, why can we not? 1185 1186 .seealso: PetscBinaryRead(), PetscBinaryWrite(), PetscDataTypeToMPIDataType(), 1187 PetscDataTypeGetSize() 1188 1189 E*/ 1190 typedef enum {PETSC_INT = 0,PETSC_DOUBLE = 1,PETSC_COMPLEX = 2, PETSC_LONG = 3 ,PETSC_SHORT = 4,PETSC_FLOAT = 5, 1191 PETSC_CHAR = 6,PETSC_BIT_LOGICAL = 7,PETSC_ENUM = 8,PETSC_BOOL=9, PETSC_LONG_DOUBLE = 10, PETSC_QD_DD = 11} PetscDataType; 1192 extern const char *PetscDataTypes[]; 1193 1194 #if defined(PETSC_USE_COMPLEX) 1195 #define PETSC_SCALAR PETSC_COMPLEX 1196 #else 1197 #if defined(PETSC_USE_SCALAR_SINGLE) 1198 #define PETSC_SCALAR PETSC_FLOAT 1199 #elif defined(PETSC_USE_SCALAR_LONG_DOUBLE) 1200 #define PETSC_SCALAR PETSC_LONG_DOUBLE 1201 #elif defined(PETSC_USE_SCALAR_INT) 1202 #define PETSC_SCALAR PETSC_INT 1203 #elif defined(PETSC_USE_SCALAR_QD_DD) 1204 #define PETSC_SCALAR PETSC_QD_DD 1205 #else 1206 #define PETSC_SCALAR PETSC_DOUBLE 1207 #endif 1208 #endif 1209 #if defined(PETSC_USE_SCALAR_SINGLE) 1210 #define PETSC_REAL PETSC_FLOAT 1211 #elif defined(PETSC_USE_SCALAR_LONG_DOUBLE) 1212 #define PETSC_REAL PETSC_LONG_DOUBLE 1213 #elif defined(PETSC_USE_SCALAR_INT) 1214 #define PETSC_REAL PETSC_INT 1215 #elif defined(PETSC_USE_SCALAR_QD_DD) 1216 #define PETSC_REAL PETSC_QD_DD 1217 #else 1218 #define PETSC_REAL PETSC_DOUBLE 1219 #endif 1220 #define PETSC_FORTRANADDR PETSC_LONG 1221 1222 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscDataTypeToMPIDataType(PetscDataType,MPI_Datatype*); 1223 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMPIDataTypeToPetscDataType(MPI_Datatype,PetscDataType*); 1224 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscDataTypeGetSize(PetscDataType,size_t*); 1225 1226 /* 1227 Basic memory and string operations. These are usually simple wrappers 1228 around the basic Unix system calls, but a few of them have additional 1229 functionality and/or error checking. 1230 */ 1231 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscBitMemcpy(void*,PetscInt,const void*,PetscInt,PetscInt,PetscDataType); 1232 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMemmove(void*,void *,size_t); 1233 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMemcmp(const void*,const void*,size_t,PetscBool *); 1234 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrlen(const char[],size_t*); 1235 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrToArray(const char[],int*,char ***); 1236 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrToArrayDestroy(int,char **); 1237 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrcmp(const char[],const char[],PetscBool *); 1238 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrgrt(const char[],const char[],PetscBool *); 1239 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrcasecmp(const char[],const char[],PetscBool *); 1240 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrncmp(const char[],const char[],size_t,PetscBool *); 1241 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrcpy(char[],const char[]); 1242 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrcat(char[],const char[]); 1243 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrncat(char[],const char[],size_t); 1244 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrncpy(char[],const char[],size_t); 1245 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrchr(const char[],char,char *[]); 1246 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrtolower(char[]); 1247 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrrchr(const char[],char,char *[]); 1248 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrstr(const char[],const char[],char *[]); 1249 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrrstr(const char[],const char[],char *[]); 1250 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrallocpy(const char[],char *[]); 1251 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStrreplace(MPI_Comm,const char[],char[],size_t); 1252 1253 /*S 1254 PetscToken - 'Token' used for managing tokenizing strings 1255 1256 Level: intermediate 1257 1258 .seealso: PetscTokenCreate(), PetscTokenFind(), PetscTokenDestroy() 1259 S*/ 1260 typedef struct _p_PetscToken* PetscToken; 1261 1262 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscTokenCreate(const char[],const char,PetscToken*); 1263 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscTokenFind(PetscToken,char *[]); 1264 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscTokenDestroy(PetscToken); 1265 1266 /* 1267 These are MPI operations for MPI_Allreduce() etc 1268 */ 1269 EXTERN PETSCSYS_DLLEXPORT MPI_Op PetscMaxSum_Op; 1270 #if defined(PETSC_USE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX) 1271 EXTERN PETSCSYS_DLLEXPORT MPI_Op MPIU_SUM; 1272 #else 1273 #define MPIU_SUM MPI_SUM 1274 #endif 1275 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMaxSum(MPI_Comm,const PetscInt[],PetscInt*,PetscInt*); 1276 1277 /*S 1278 PetscObject - any PETSc object, PetscViewer, Mat, Vec, KSP etc 1279 1280 Level: beginner 1281 1282 Note: This is the base class from which all objects appear. 1283 1284 .seealso: PetscObjectDestroy(), PetscObjectView(), PetscObjectGetName(), PetscObjectSetName(), PetscObjectReference(), PetscObjectDereferenc() 1285 S*/ 1286 typedef struct _p_PetscObject* PetscObject; 1287 1288 /*S 1289 PetscFList - Linked list of functions, possibly stored in dynamic libraries, accessed 1290 by string name 1291 1292 Level: advanced 1293 1294 .seealso: PetscFListAdd(), PetscFListDestroy() 1295 S*/ 1296 typedef struct _n_PetscFList *PetscFList; 1297 1298 /*E 1299 PetscFileMode - Access mode for a file. 1300 1301 Level: beginner 1302 1303 FILE_MODE_READ - open a file at its beginning for reading 1304 1305 FILE_MODE_WRITE - open a file at its beginning for writing (will create if the file does not exist) 1306 1307 FILE_MODE_APPEND - open a file at end for writing 1308 1309 FILE_MODE_UPDATE - open a file for updating, meaning for reading and writing 1310 1311 FILE_MODE_APPEND_UPDATE - open a file for updating, meaning for reading and writing, at the end 1312 1313 .seealso: PetscViewerFileSetMode() 1314 E*/ 1315 typedef enum {FILE_MODE_READ, FILE_MODE_WRITE, FILE_MODE_APPEND, FILE_MODE_UPDATE, FILE_MODE_APPEND_UPDATE} PetscFileMode; 1316 1317 #include "petscviewer.h" 1318 #include "petscoptions.h" 1319 1320 #define PETSC_SMALLEST_CLASSID 1211211 1321 extern PETSCSYS_DLLEXPORT PetscClassId PETSC_LARGEST_CLASSID; 1322 extern PETSCSYS_DLLEXPORT PetscClassId PETSC_OBJECT_CLASSID; 1323 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscClassIdRegister(const char[],PetscClassId *); 1324 1325 /* 1326 Routines that get memory usage information from the OS 1327 */ 1328 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMemoryGetCurrentUsage(PetscLogDouble *); 1329 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMemoryGetMaximumUsage(PetscLogDouble *); 1330 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMemorySetGetMaximumUsage(void); 1331 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMemoryShowUsage(PetscViewer,const char[]); 1332 1333 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscInfoAllow(PetscBool ,const char []); 1334 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetTime(PetscLogDouble*); 1335 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetCPUTime(PetscLogDouble*); 1336 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSleep(PetscReal); 1337 1338 /* 1339 Initialization of PETSc 1340 */ 1341 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscInitialize(int*,char***,const char[],const char[]); 1342 PetscPolymorphicSubroutine(PetscInitialize,(int *argc,char ***args),(argc,args,PETSC_NULL,PETSC_NULL)) 1343 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscInitializeNoArguments(void); 1344 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscInitialized(PetscBool *); 1345 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFinalized(PetscBool *); 1346 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFinalize(void); 1347 EXTERN PetscErrorCode PetscInitializeFortran(void); 1348 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetArgs(int*,char ***); 1349 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetArguments(char ***); 1350 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFreeArguments(char **); 1351 1352 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscEnd(void); 1353 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSysInitializePackage(const char[]); 1354 1355 extern MPI_Comm PETSC_COMM_LOCAL_WORLD; 1356 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOpenMPMerge(PetscMPIInt,PetscErrorCode (*)(void*),void*); 1357 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOpenMPSpawn(PetscMPIInt); 1358 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOpenMPFinalize(void); 1359 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOpenMPRun(MPI_Comm,PetscErrorCode (*)(MPI_Comm,void *),void*); 1360 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOpenMPRunCtx(MPI_Comm,PetscErrorCode (*)(MPI_Comm,void*,void *),void*); 1361 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOpenMPFree(MPI_Comm,void*); 1362 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOpenMPMalloc(MPI_Comm,size_t,void**); 1363 1364 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscPythonInitialize(const char[],const char[]); 1365 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscPythonFinalize(void); 1366 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscPythonPrintError(void); 1367 1368 /* 1369 These are so that in extern C code we can caste function pointers to non-extern C 1370 function pointers. Since the regular C++ code expects its function pointers to be 1371 C++. 1372 */ 1373 typedef void (**PetscVoidStarFunction)(void); 1374 typedef void (*PetscVoidFunction)(void); 1375 typedef PetscErrorCode (*PetscErrorCodeFunction)(void); 1376 1377 /* 1378 PetscTryMethod - Queries an object for a method, if it exists then calls it. 1379 These are intended to be used only inside PETSc functions. 1380 1381 Level: developer 1382 1383 .seealso: PetscUseMethod() 1384 */ 1385 #define PetscTryMethod(obj,A,B,C) \ 1386 0;{ PetscErrorCode (*f)B, __ierr; \ 1387 __ierr = PetscObjectQueryFunction((PetscObject)obj,A,(PetscVoidStarFunction)&f);CHKERRQ(__ierr); \ 1388 if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\ 1389 } 1390 1391 /* 1392 PetscUseMethod - Queries an object for a method, if it exists then calls it, otherwise generates an error. 1393 These are intended to be used only inside PETSc functions. 1394 1395 Level: developer 1396 1397 .seealso: PetscTryMethod() 1398 */ 1399 #define PetscUseMethod(obj,A,B,C) \ 1400 0;{ PetscErrorCode (*f)B, __ierr; \ 1401 __ierr = PetscObjectQueryFunction((PetscObject)obj,A,(PetscVoidStarFunction)&f);CHKERRQ(__ierr); \ 1402 if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\ 1403 else SETERRQ1(((PetscObject)A)->comm,PETSC_ERR_SUP,"Cannot locate function %s in object",A); \ 1404 } 1405 1406 /* 1407 Functions that can act on any PETSc object. 1408 */ 1409 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectCreate(MPI_Comm,PetscObject*); 1410 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectCreateGeneric(MPI_Comm, PetscClassId, const char [], PetscObject *); 1411 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectDestroy(PetscObject); 1412 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectGetComm(PetscObject,MPI_Comm *); 1413 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectGetClassId(PetscObject,PetscClassId *); 1414 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectSetType(PetscObject,const char []); 1415 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectGetType(PetscObject,const char *[]); 1416 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectSetName(PetscObject,const char[]); 1417 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectGetName(PetscObject,const char*[]); 1418 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectPrintClassNamePrefixType(PetscObject,PetscViewer,const char[]); 1419 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectSetTabLevel(PetscObject,PetscInt); 1420 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectGetTabLevel(PetscObject,PetscInt*); 1421 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectIncrementTabLevel(PetscObject,PetscObject,PetscInt); 1422 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectReference(PetscObject); 1423 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectGetReference(PetscObject,PetscInt*); 1424 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectDereference(PetscObject); 1425 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectGetNewTag(PetscObject,PetscMPIInt *); 1426 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectView(PetscObject,PetscViewer); 1427 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectCompose(PetscObject,const char[],PetscObject); 1428 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectQuery(PetscObject,const char[],PetscObject *); 1429 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectComposeFunction(PetscObject,const char[],const char[],void (*)(void)); 1430 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectSetFromOptions(PetscObject); 1431 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectSetUp(PetscObject); 1432 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscCommGetNewTag(MPI_Comm,PetscMPIInt *); 1433 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectAddOptionsHandler(PetscObject,PetscErrorCode (*)(PetscObject,void*),PetscErrorCode (*)(PetscObject,void*),void*); 1434 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectProcessOptionsHandlers(PetscObject); 1435 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectDestroyOptionsHandlers(PetscObject); 1436 1437 /*MC 1438 PetscObjectComposeFunctionDynamic - Associates a function with a given PETSc object. 1439 1440 Synopsis: 1441 PetscErrorCode PetscObjectComposeFunctionDynamic(PetscObject obj,const char name[],const char fname[],void *ptr) 1442 1443 Logically Collective on PetscObject 1444 1445 Input Parameters: 1446 + obj - the PETSc object; this must be cast with a (PetscObject), for example, 1447 PetscObjectCompose((PetscObject)mat,...); 1448 . name - name associated with the child function 1449 . fname - name of the function 1450 - ptr - function pointer (or PETSC_NULL if using dynamic libraries) 1451 1452 Level: advanced 1453 1454 1455 Notes: 1456 To remove a registered routine, pass in a PETSC_NULL rname and fnc(). 1457 1458 PetscObjectComposeFunctionDynamic() can be used with any PETSc object (such as 1459 Mat, Vec, KSP, SNES, etc.) or any user-provided object. 1460 1461 The composed function must be wrapped in a EXTERN_C_BEGIN/END for this to 1462 work in C++/complex with dynamic link libraries (./configure options --with-shared-libraries --with-dynamic-loading) 1463 enabled. 1464 1465 Concepts: objects^composing functions 1466 Concepts: composing functions 1467 Concepts: functions^querying 1468 Concepts: objects^querying 1469 Concepts: querying objects 1470 1471 .seealso: PetscObjectQueryFunction() 1472 M*/ 1473 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 1474 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,0) 1475 #else 1476 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,(PetscVoidFunction)(d)) 1477 #endif 1478 1479 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectQueryFunction(PetscObject,const char[],void (**)(void)); 1480 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectSetOptionsPrefix(PetscObject,const char[]); 1481 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectAppendOptionsPrefix(PetscObject,const char[]); 1482 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectPrependOptionsPrefix(PetscObject,const char[]); 1483 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectGetOptionsPrefix(PetscObject,const char*[]); 1484 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectAMSPublish(PetscObject); 1485 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectUnPublish(PetscObject); 1486 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectChangeTypeName(PetscObject,const char[]); 1487 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectRegisterDestroy(PetscObject); 1488 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectRegisterDestroyAll(void); 1489 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscObjectName(PetscObject); 1490 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscTypeCompare(PetscObject,const char[],PetscBool *); 1491 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRegisterFinalize(PetscErrorCode (*)(void)); 1492 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRegisterFinalizeAll(void); 1493 1494 /* 1495 Defines PETSc error handling. 1496 */ 1497 #include "petscerror.h" 1498 1499 /*S 1500 PetscOList - Linked list of PETSc objects, each accessable by string name 1501 1502 Level: developer 1503 1504 Notes: Used by PetscObjectCompose() and PetscObjectQuery() 1505 1506 .seealso: PetscOListAdd(), PetscOListDestroy(), PetscOListFind(), PetscObjectCompose(), PetscObjectQuery() 1507 S*/ 1508 typedef struct _n_PetscOList *PetscOList; 1509 1510 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOListDestroy(PetscOList); 1511 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOListFind(PetscOList,const char[],PetscObject*); 1512 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOListReverseFind(PetscOList,PetscObject,char**); 1513 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOListAdd(PetscOList *,const char[],PetscObject); 1514 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOListDuplicate(PetscOList,PetscOList *); 1515 1516 /* 1517 Dynamic library lists. Lists of names of routines in objects or in dynamic 1518 link libraries that will be loaded as needed. 1519 */ 1520 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFListAdd(PetscFList*,const char[],const char[],void (*)(void)); 1521 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFListDestroy(PetscFList*); 1522 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFListFind(PetscFList,MPI_Comm,const char[],void (**)(void)); 1523 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFListPrintTypes(MPI_Comm,FILE*,const char[],const char[],const char[],const char[],PetscFList,const char[]); 1524 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 1525 #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,0) 1526 #else 1527 #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,(void (*)(void))c) 1528 #endif 1529 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFListDuplicate(PetscFList,PetscFList *); 1530 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFListView(PetscFList,PetscViewer); 1531 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFListConcat(const char [],const char [],char []); 1532 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFListGet(PetscFList,char ***,int*); 1533 1534 /*S 1535 PetscDLLibrary - Linked list of dynamics libraries to search for functions 1536 1537 Level: advanced 1538 1539 --with-shared-libraries --with-dynamic-loading must be used with ./configure to use dynamic libraries 1540 1541 .seealso: PetscDLLibraryOpen() 1542 S*/ 1543 typedef struct _n_PetscDLLibrary *PetscDLLibrary; 1544 extern PETSCSYS_DLLEXPORT PetscDLLibrary DLLibrariesLoaded; 1545 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscDLLibraryAppend(MPI_Comm,PetscDLLibrary *,const char[]); 1546 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscDLLibraryPrepend(MPI_Comm,PetscDLLibrary *,const char[]); 1547 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscDLLibrarySym(MPI_Comm,PetscDLLibrary *,const char[],const char[],void **); 1548 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscDLLibraryPrintPath(PetscDLLibrary); 1549 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscDLLibraryRetrieve(MPI_Comm,const char[],char *,size_t,PetscBool *); 1550 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscDLLibraryOpen(MPI_Comm,const char[],PetscDLLibrary *); 1551 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscDLLibraryClose(PetscDLLibrary); 1552 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscDLLibraryCCAAppend(MPI_Comm,PetscDLLibrary *,const char[]); 1553 1554 /* 1555 PetscFwk support. Needs to be documented. 1556 Logically it is an extension of PetscDLLXXX, PetscObjectCompose, etc. 1557 */ 1558 #include "petscfwk.h" 1559 1560 /* 1561 Useful utility routines 1562 */ 1563 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSplitOwnership(MPI_Comm,PetscInt*,PetscInt*); 1564 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSplitOwnershipBlock(MPI_Comm,PetscInt,PetscInt*,PetscInt*); 1565 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSequentialPhaseBegin(MPI_Comm,PetscMPIInt); 1566 PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(MPI_Comm comm),(comm,1)) 1567 PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(void),(PETSC_COMM_WORLD,1)) 1568 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSequentialPhaseEnd(MPI_Comm,PetscMPIInt); 1569 PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(MPI_Comm comm),(comm,1)) 1570 PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(void),(PETSC_COMM_WORLD,1)) 1571 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscBarrier(PetscObject); 1572 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscMPIDump(FILE*); 1573 1574 /* 1575 PetscNot - negates a logical type value and returns result as a PetscBool 1576 1577 Notes: This is useful in cases like 1578 $ int *a; 1579 $ PetscBool flag = PetscNot(a) 1580 where !a does not return a PetscBool because we cannot provide a cast from int to PetscBool in C. 1581 */ 1582 #define PetscNot(a) ((a) ? PETSC_FALSE : PETSC_TRUE) 1583 1584 /* 1585 Defines basic graphics available from PETSc. 1586 */ 1587 #include "petscdraw.h" 1588 1589 /* 1590 Defines the base data structures for all PETSc objects 1591 */ 1592 #include "private/petscimpl.h" 1593 1594 /* 1595 Defines PETSc profiling. 1596 */ 1597 #include "petsclog.h" 1598 1599 /* 1600 For locking, unlocking and destroying AMS memories associated with PETSc objects. ams.h is included in petscviewer.h 1601 */ 1602 #if defined(PETSC_HAVE_AMS) 1603 extern PetscBool PetscAMSPublishAll; 1604 #define PetscObjectTakeAccess(obj) ((((PetscObject)(obj))->amem == -1) ? 0 : AMS_Memory_take_access(((PetscObject)(obj))->amem)) 1605 #define PetscObjectGrantAccess(obj) ((((PetscObject)(obj))->amem == -1) ? 0 : AMS_Memory_grant_access(((PetscObject)(obj))->amem)) 1606 #define PetscObjectDepublish(obj) ((((PetscObject)(obj))->amem == -1) ? 0 : AMS_Memory_destroy(((PetscObject)(obj))->amem));((PetscObject)(obj))->amem = -1; 1607 #else 1608 #define PetscObjectTakeAccess(obj) 0 1609 #define PetscObjectGrantAccess(obj) 0 1610 #define PetscObjectDepublish(obj) 0 1611 #endif 1612 1613 /* 1614 Simple PETSc parallel IO for ASCII printing 1615 */ 1616 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFixFilename(const char[],char[]); 1617 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFOpen(MPI_Comm,const char[],const char[],FILE**); 1618 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFClose(MPI_Comm,FILE*); 1619 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4); 1620 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscPrintf(MPI_Comm,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3); 1621 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSNPrintf(char*,size_t,const char [],...); 1622 1623 /* These are used internally by PETSc ASCII IO routines*/ 1624 #include <stdarg.h> 1625 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscVSNPrintf(char*,size_t,const char[],size_t*,va_list); 1626 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT (*PetscVFPrintf)(FILE*,const char[],va_list); 1627 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscVFPrintfDefault(FILE*,const char[],va_list); 1628 1629 /*MC 1630 PetscErrorPrintf - Prints error messages. 1631 1632 Synopsis: 1633 PetscErrorCode (*PetscErrorPrintf)(const char format[],...); 1634 1635 Not Collective 1636 1637 Input Parameters: 1638 . format - the usual printf() format string 1639 1640 Options Database Keys: 1641 + -error_output_stdout - cause error messages to be printed to stdout instead of the 1642 (default) stderr 1643 - -error_output_none to turn off all printing of error messages (does not change the way the 1644 error is handled.) 1645 1646 Notes: Use 1647 $ PetscErrorPrintf = PetscErrorPrintfNone; to turn off all printing of error messages (does not change the way the 1648 $ error is handled.) and 1649 $ PetscErrorPrintf = PetscErrorPrintfDefault; to turn it back on 1650 $ of you can use your own function 1651 1652 Use 1653 PETSC_STDERR = FILE* obtained from a file open etc. to have stderr printed to the file. 1654 PETSC_STDOUT = FILE* obtained from a file open etc. to have stdout printed to the file. 1655 1656 Use 1657 PetscPushErrorHandler() to provide your own error handler that determines what kind of messages to print 1658 1659 Level: developer 1660 1661 Fortran Note: 1662 This routine is not supported in Fortran. 1663 1664 Concepts: error messages^printing 1665 Concepts: printing^error messages 1666 1667 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscHelpPrintf(), PetscPrintf(), PetscErrorHandlerPush(), PetscVFPrintf(), PetscHelpPrintf() 1668 M*/ 1669 EXTERN PETSCSYS_DLLEXPORT PetscErrorCode (*PetscErrorPrintf)(const char[],...); 1670 1671 /*MC 1672 PetscHelpPrintf - Prints help messages. 1673 1674 Synopsis: 1675 PetscErrorCode (*PetscHelpPrintf)(const char format[],...); 1676 1677 Not Collective 1678 1679 Input Parameters: 1680 . format - the usual printf() format string 1681 1682 Level: developer 1683 1684 Fortran Note: 1685 This routine is not supported in Fortran. 1686 1687 Concepts: help messages^printing 1688 Concepts: printing^help messages 1689 1690 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscErrorPrintf() 1691 M*/ 1692 EXTERN PETSCSYS_DLLEXPORT PetscErrorCode (*PetscHelpPrintf)(MPI_Comm,const char[],...); 1693 1694 EXTERN PetscErrorCode PetscErrorPrintfDefault(const char [],...); 1695 EXTERN PetscErrorCode PetscErrorPrintfNone(const char [],...); 1696 EXTERN PetscErrorCode PetscHelpPrintfDefault(MPI_Comm,const char [],...); 1697 1698 #if defined(PETSC_HAVE_POPEN) 1699 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscPOpen(MPI_Comm,const char[],const char[],const char[],FILE **); 1700 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscPClose(MPI_Comm,FILE*); 1701 #endif 1702 1703 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSynchronizedPrintf(MPI_Comm,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3); 1704 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSynchronizedFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4); 1705 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSynchronizedFlush(MPI_Comm); 1706 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSynchronizedFGets(MPI_Comm,FILE*,size_t,char[]); 1707 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStartMatlab(MPI_Comm,const char[],const char[],FILE**); 1708 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStartJava(MPI_Comm,const char[],const char[],FILE**); 1709 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetPetscDir(const char*[]); 1710 1711 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscPopUpSelect(MPI_Comm,const char*,const char*,int,const char**,int*); 1712 1713 /*S 1714 PetscContainer - Simple PETSc object that contains a pointer to any required data 1715 1716 Level: advanced 1717 1718 .seealso: PetscObject, PetscContainerCreate() 1719 S*/ 1720 extern PetscClassId PETSCSYS_DLLEXPORT PETSC_CONTAINER_CLASSID; 1721 typedef struct _p_PetscContainer* PetscContainer; 1722 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscContainerGetPointer(PetscContainer,void **); 1723 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscContainerSetPointer(PetscContainer,void *); 1724 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscContainerDestroy(PetscContainer); 1725 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscContainerCreate(MPI_Comm,PetscContainer *); 1726 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscContainerSetUserDestroy(PetscContainer, PetscErrorCode (*)(void*)); 1727 1728 /* 1729 For use in debuggers 1730 */ 1731 extern PETSCSYS_DLLEXPORT PetscMPIInt PetscGlobalRank; 1732 extern PETSCSYS_DLLEXPORT PetscMPIInt PetscGlobalSize; 1733 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscIntView(PetscInt,const PetscInt[],PetscViewer); 1734 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRealView(PetscInt,const PetscReal[],PetscViewer); 1735 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscScalarView(PetscInt,const PetscScalar[],PetscViewer); 1736 1737 #if defined(PETSC_HAVE_MEMORY_H) 1738 #include <memory.h> 1739 #endif 1740 #if defined(PETSC_HAVE_STDLIB_H) 1741 #include <stdlib.h> 1742 #endif 1743 #if defined(PETSC_HAVE_STRINGS_H) 1744 #include <strings.h> 1745 #endif 1746 #if defined(PETSC_HAVE_STRING_H) 1747 #include <string.h> 1748 #endif 1749 1750 1751 #if defined(PETSC_HAVE_XMMINTRIN_H) 1752 #include <xmmintrin.h> 1753 #endif 1754 #if defined(PETSC_HAVE_STDINT_H) 1755 #include <stdint.h> 1756 #endif 1757 1758 /*@C 1759 PetscMemcpy - Copies n bytes, beginning at location b, to the space 1760 beginning at location a. The two memory regions CANNOT overlap, use 1761 PetscMemmove() in that case. 1762 1763 Not Collective 1764 1765 Input Parameters: 1766 + b - pointer to initial memory space 1767 - n - length (in bytes) of space to copy 1768 1769 Output Parameter: 1770 . a - pointer to copy space 1771 1772 Level: intermediate 1773 1774 Compile Option: 1775 PETSC_PREFER_DCOPY_FOR_MEMCPY will cause the BLAS dcopy() routine to be used 1776 for memory copies on double precision values. 1777 PETSC_PREFER_COPY_FOR_MEMCPY will cause C code to be used 1778 for memory copies on double precision values. 1779 PETSC_PREFER_FORTRAN_FORMEMCPY will cause Fortran code to be used 1780 for memory copies on double precision values. 1781 1782 Note: 1783 This routine is analogous to memcpy(). 1784 1785 Developer Note: this is inlined for fastest performance 1786 1787 Concepts: memory^copying 1788 Concepts: copying^memory 1789 1790 .seealso: PetscMemmove() 1791 1792 @*/ 1793 PETSC_STATIC_INLINE PetscErrorCode PETSCSYS_DLLEXPORT PetscMemcpy(void *a,const void *b,size_t n) 1794 { 1795 #if defined(PETSC_USE_DEBUG) 1796 unsigned long al = (unsigned long) a,bl = (unsigned long) b; 1797 unsigned long nl = (unsigned long) n; 1798 if (n > 0 && !b) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy from a null pointer"); 1799 if (n > 0 && !a) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy to a null pointer"); 1800 #endif 1801 PetscFunctionBegin; 1802 if (a != b) { 1803 #if defined(PETSC_USE_DEBUG) 1804 if ((al > bl && (al - bl) < nl) || (bl - al) < nl) { 1805 SETERRQ3(PETSC_COMM_SELF,PETSC_ERR_ARG_INCOMP,"Memory regions overlap: either use PetscMemmov()\n\ 1806 or make sure your copy regions and lengths are correct. \n\ 1807 Length (bytes) %ld first address %ld second address %ld",nl,al,bl); 1808 } 1809 #endif 1810 #if (defined(PETSC_PREFER_DCOPY_FOR_MEMCPY) || defined(PETSC_PREFER_COPY_FOR_MEMCPY) || defined(PETSC_PREFER_FORTRAN_FORMEMCPY)) 1811 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1812 size_t len = n/sizeof(PetscScalar); 1813 #if defined(PETSC_PREFER_DCOPY_FOR_MEMCPY) 1814 PetscBLASInt one = 1,blen = PetscBLASIntCast(len); 1815 BLAScopy_(&blen,(PetscScalar *)b,&one,(PetscScalar *)a,&one); 1816 #elif defined(PETSC_PREFER_FORTRAN_FORMEMCPY) 1817 fortrancopy_(&len,(PetscScalar*)b,(PetscScalar*)a); 1818 #else 1819 size_t i; 1820 PetscScalar *x = (PetscScalar*)b, *y = (PetscScalar*)a; 1821 for (i=0; i<len; i++) y[i] = x[i]; 1822 #endif 1823 } else { 1824 memcpy((char*)(a),(char*)(b),n); 1825 } 1826 #elif defined(PETSC_HAVE__INTEL_FAST_MEMCPY) 1827 _intel_fast_memcpy((char*)(a),(char*)(b),n); 1828 #else 1829 memcpy((char*)(a),(char*)(b),n); 1830 #endif 1831 } 1832 PetscFunctionReturn(0); 1833 } 1834 1835 /*@C 1836 PetscMemzero - Zeros the specified memory. 1837 1838 Not Collective 1839 1840 Input Parameters: 1841 + a - pointer to beginning memory location 1842 - n - length (in bytes) of memory to initialize 1843 1844 Level: intermediate 1845 1846 Compile Option: 1847 PETSC_PREFER_BZERO - on certain machines (the IBM RS6000) the bzero() routine happens 1848 to be faster than the memset() routine. This flag causes the bzero() routine to be used. 1849 1850 Developer Note: this is inlined for fastest performance 1851 1852 Concepts: memory^zeroing 1853 Concepts: zeroing^memory 1854 1855 .seealso: PetscMemcpy() 1856 @*/ 1857 PETSC_STATIC_INLINE PetscErrorCode PETSCSYS_DLLEXPORT PetscMemzero(void *a,size_t n) 1858 { 1859 if (n > 0) { 1860 #if defined(PETSC_USE_DEBUG) 1861 if (!a) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to zero at a null pointer"); 1862 #endif 1863 #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO) 1864 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1865 size_t i,len = n/sizeof(PetscScalar); 1866 PetscScalar *x = (PetscScalar*)a; 1867 for (i=0; i<len; i++) x[i] = 0.0; 1868 } else { 1869 #elif defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO) 1870 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1871 PetscInt len = n/sizeof(PetscScalar); 1872 fortranzero_(&len,(PetscScalar*)a); 1873 } else { 1874 #endif 1875 #if defined(PETSC_PREFER_BZERO) 1876 bzero((char *)a,n); 1877 #elif defined (PETSC_HAVE__INTEL_FAST_MEMSET) 1878 _intel_fast_memset((char*)a,0,n); 1879 #else 1880 memset((char*)a,0,n); 1881 #endif 1882 #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO) || defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO) 1883 } 1884 #endif 1885 } 1886 return 0; 1887 } 1888 1889 /*MC 1890 PetscPrefetchBlock - Prefetches a block of memory 1891 1892 Synopsis: 1893 void PetscPrefetchBlock(const anytype *a,size_t n,int rw,int t) 1894 1895 Not Collective 1896 1897 Input Parameters: 1898 + a - pointer to first element to fetch (any type but usually PetscInt or PetscScalar) 1899 . n - number of elements to fetch 1900 . rw - 1 if the memory will be written to, otherwise 0 (ignored by many processors) 1901 - t - temporal locality (PETSC_PREFETCH_HINT_{NTA,T0,T1,T2}), see note 1902 1903 Level: developer 1904 1905 Notes: 1906 The last two arguments (rw and t) must be compile-time constants. 1907 1908 Adopting Intel's x86/x86-64 conventions, there are four levels of temporal locality. Not all architectures offer 1909 equivalent locality hints, but the following macros are always defined to their closest analogue. 1910 + PETSC_PREFETCH_HINT_NTA - Non-temporal. Prefetches directly to L1, evicts to memory (skips higher level cache unless it was already there when prefetched). 1911 . PETSC_PREFETCH_HINT_T0 - Fetch to all levels of cache and evict to the closest level. Use this when the memory will be reused regularly despite necessary eviction from L1. 1912 . PETSC_PREFETCH_HINT_T1 - Fetch to level 2 and higher (not L1). 1913 - PETSC_PREFETCH_HINT_T2 - Fetch to high-level cache only. (On many systems, T0 and T1 are equivalent.) 1914 1915 This function does nothing on architectures that do not support prefetch and never errors (even if passed an invalid 1916 address). 1917 1918 Concepts: memory 1919 M*/ 1920 #define PetscPrefetchBlock(a,n,rw,t) do { \ 1921 const char *_p = (const char*)(a),*_end = (const char*)((a)+(n)); \ 1922 for ( ; _p < _end; _p += PETSC_LEVEL1_DCACHE_LINESIZE) PETSC_Prefetch(_p,(rw),(t)); \ 1923 } while (0) 1924 1925 /* 1926 Allows accessing Matlab Engine 1927 */ 1928 #include "petscmatlab.h" 1929 1930 /* 1931 Determine if some of the kernel computation routines use 1932 Fortran (rather than C) for the numerical calculations. On some machines 1933 and compilers (like complex numbers) the Fortran version of the routines 1934 is faster than the C/C++ versions. The flag --with-fortran-kernels 1935 should be used with ./configure to turn these on. 1936 */ 1937 #if defined(PETSC_USE_FORTRAN_KERNELS) 1938 1939 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTCRL) 1940 #define PETSC_USE_FORTRAN_KERNEL_MULTCRL 1941 #endif 1942 1943 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJPERM) 1944 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJPERM 1945 #endif 1946 1947 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJ) 1948 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJ 1949 #endif 1950 1951 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ) 1952 #define PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ 1953 #endif 1954 1955 #if !defined(PETSC_USE_FORTRAN_KERNEL_NORM) 1956 #define PETSC_USE_FORTRAN_KERNEL_NORM 1957 #endif 1958 1959 #if !defined(PETSC_USE_FORTRAN_KERNEL_MAXPY) 1960 #define PETSC_USE_FORTRAN_KERNEL_MAXPY 1961 #endif 1962 1963 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ) 1964 #define PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ 1965 #endif 1966 1967 #if !defined(PETSC_USE_FORTRAN_KERNEL_RELAXAIJ) 1968 #define PETSC_USE_FORTRAN_KERNEL_RELAXAIJ 1969 #endif 1970 1971 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ) 1972 #define PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ 1973 #endif 1974 1975 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ) 1976 #define PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ 1977 #endif 1978 1979 #if !defined(PETSC_USE_FORTRAN_KERNEL_MDOT) 1980 #define PETSC_USE_FORTRAN_KERNEL_MDOT 1981 #endif 1982 1983 #if !defined(PETSC_USE_FORTRAN_KERNEL_XTIMESY) 1984 #define PETSC_USE_FORTRAN_KERNEL_XTIMESY 1985 #endif 1986 1987 #if !defined(PETSC_USE_FORTRAN_KERNEL_AYPX) 1988 #define PETSC_USE_FORTRAN_KERNEL_AYPX 1989 #endif 1990 1991 #if !defined(PETSC_USE_FORTRAN_KERNEL_WAXPY) 1992 #define PETSC_USE_FORTRAN_KERNEL_WAXPY 1993 #endif 1994 1995 #endif 1996 1997 /* 1998 Macros for indicating code that should be compiled with a C interface, 1999 rather than a C++ interface. Any routines that are dynamically loaded 2000 (such as the PCCreate_XXX() routines) must be wrapped so that the name 2001 mangler does not change the functions symbol name. This just hides the 2002 ugly extern "C" {} wrappers. 2003 */ 2004 #if defined(__cplusplus) 2005 #define EXTERN_C_BEGIN extern "C" { 2006 #define EXTERN_C_END } 2007 #else 2008 #define EXTERN_C_BEGIN 2009 #define EXTERN_C_END 2010 #endif 2011 2012 /* --------------------------------------------------------------------*/ 2013 2014 /*MC 2015 MPI_Comm - the basic object used by MPI to determine which processes are involved in a 2016 communication 2017 2018 Level: beginner 2019 2020 Note: This manual page is a place-holder because MPICH does not have a manual page for MPI_Comm 2021 2022 .seealso: PETSC_COMM_WORLD, PETSC_COMM_SELF 2023 M*/ 2024 2025 /*MC 2026 PetscScalar - PETSc type that represents either a double precision real number, a double precision 2027 complex number, a single precision real number, a long double or an int - if the code is configured 2028 with --with-scalar-type=real,complex --with-precision=single,double,longdouble,int,matsingle 2029 2030 2031 Level: beginner 2032 2033 .seealso: PetscReal, PassiveReal, PassiveScalar, MPIU_SCALAR, PetscInt 2034 M*/ 2035 2036 /*MC 2037 PetscReal - PETSc type that represents a real number version of PetscScalar 2038 2039 Level: beginner 2040 2041 .seealso: PetscScalar, PassiveReal, PassiveScalar 2042 M*/ 2043 2044 /*MC 2045 PassiveScalar - PETSc type that represents a PetscScalar 2046 Level: beginner 2047 2048 This is the same as a PetscScalar except in code that is automatically differentiated it is 2049 treated as a constant (not an indendent or dependent variable) 2050 2051 .seealso: PetscReal, PassiveReal, PetscScalar 2052 M*/ 2053 2054 /*MC 2055 PassiveReal - PETSc type that represents a PetscReal 2056 2057 Level: beginner 2058 2059 This is the same as a PetscReal except in code that is automatically differentiated it is 2060 treated as a constant (not an indendent or dependent variable) 2061 2062 .seealso: PetscScalar, PetscReal, PassiveScalar 2063 M*/ 2064 2065 /*MC 2066 MPIU_SCALAR - MPI datatype corresponding to PetscScalar 2067 2068 Level: beginner 2069 2070 Note: In MPI calls that require an MPI datatype that matches a PetscScalar or array of PetscScalars 2071 pass this value 2072 2073 .seealso: PetscReal, PassiveReal, PassiveScalar, PetscScalar, MPIU_INT 2074 M*/ 2075 2076 #if defined(PETSC_HAVE_MPIIO) 2077 #if !defined(PETSC_WORDS_BIGENDIAN) 2078 extern PetscErrorCode MPIU_File_write_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2079 extern PetscErrorCode MPIU_File_read_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2080 #else 2081 #define MPIU_File_write_all(a,b,c,d,e) MPI_File_write_all(a,b,c,d,e) 2082 #define MPIU_File_read_all(a,b,c,d,e) MPI_File_read_all(a,b,c,d,e) 2083 #endif 2084 #endif 2085 2086 /* the following petsc_static_inline require petscerror.h */ 2087 2088 /* Limit MPI to 32-bits */ 2089 #define PETSC_MPI_INT_MAX 2147483647 2090 #define PETSC_MPI_INT_MIN -2147483647 2091 /* Limit BLAS to 32-bits */ 2092 #define PETSC_BLAS_INT_MAX 2147483647 2093 #define PETSC_BLAS_INT_MIN -2147483647 2094 /* On 32 bit systems HDF5 is limited by size of integer, because hsize_t is defined as size_t */ 2095 #define PETSC_HDF5_INT_MAX 2147483647 2096 #define PETSC_HDF5_INT_MIN -2147483647 2097 2098 #if defined(PETSC_USE_64BIT_INDICES) 2099 #define PetscMPIIntCheck(a) if ((a) > PETSC_MPI_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Message too long for MPI") 2100 #define PetscBLASIntCheck(a) if ((a) > PETSC_BLAS_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Array too long for BLAS/LAPACK") 2101 #define PetscMPIIntCast(a) (a);PetscMPIIntCheck(a) 2102 #define PetscBLASIntCast(a) (a);PetscBLASIntCheck(a) 2103 2104 #if (PETSC_SIZEOF_SIZE_T == 4) 2105 #define PetscHDF5IntCheck(a) if ((a) > PETSC_HDF5_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Array too long for HDF5") 2106 #define PetscHDF5IntCast(a) (a);PetscHDF5IntCheck(a) 2107 #else 2108 #define PetscHDF5IntCheck(a) 2109 #define PetscHDF5IntCast(a) a 2110 #endif 2111 2112 #else 2113 #define PetscMPIIntCheck(a) 2114 #define PetscBLASIntCheck(a) 2115 #define PetscHDF5IntCheck(a) 2116 #define PetscMPIIntCast(a) a 2117 #define PetscBLASIntCast(a) a 2118 #define PetscHDF5IntCast(a) a 2119 #endif 2120 2121 2122 /* 2123 The IBM include files define hz, here we hide it so that it may be used 2124 as a regular user variable. 2125 */ 2126 #if defined(hz) 2127 #undef hz 2128 #endif 2129 2130 /* For arrays that contain filenames or paths */ 2131 2132 2133 #if defined(PETSC_HAVE_LIMITS_H) 2134 #include <limits.h> 2135 #endif 2136 #if defined(PETSC_HAVE_SYS_PARAM_H) 2137 #include <sys/param.h> 2138 #endif 2139 #if defined(PETSC_HAVE_SYS_TYPES_H) 2140 #include <sys/types.h> 2141 #endif 2142 #if defined(MAXPATHLEN) 2143 # define PETSC_MAX_PATH_LEN MAXPATHLEN 2144 #elif defined(MAX_PATH) 2145 # define PETSC_MAX_PATH_LEN MAX_PATH 2146 #elif defined(_MAX_PATH) 2147 # define PETSC_MAX_PATH_LEN _MAX_PATH 2148 #else 2149 # define PETSC_MAX_PATH_LEN 4096 2150 #endif 2151 2152 /* Special support for C++ */ 2153 #include "petscsys.hh" 2154 2155 2156 /*MC 2157 2158 UsingFortran - Fortran can be used with PETSc in four distinct approaches 2159 2160 $ 1) classic Fortran 77 style 2161 $#include "finclude/petscXXX.h" to work with material from the XXX component of PETSc 2162 $ XXX variablename 2163 $ You cannot use this approach if you wish to use the Fortran 90 specific PETSc routines 2164 $ which end in F90; such as VecGetArrayF90() 2165 $ 2166 $ 2) classic Fortran 90 style 2167 $#include "finclude/petscXXX.h" 2168 $#include "finclude/petscXXX.h90" to work with material from the XXX component of PETSc 2169 $ XXX variablename 2170 $ 2171 $ 3) Using Fortran modules 2172 $#include "finclude/petscXXXdef.h" 2173 $ use petscXXXX 2174 $ XXX variablename 2175 $ 2176 $ 4) Use Fortran modules and Fortran data types for PETSc types 2177 $#include "finclude/petscXXXdef.h" 2178 $ use petscXXXX 2179 $ type(XXX) variablename 2180 $ To use this approach you must ./configure PETSc with the additional 2181 $ option --with-fortran-datatypes You cannot use the type(XXX) declaration approach without using Fortran modules 2182 2183 Finally if you absolutely do not want to use any #include you can use either 2184 2185 $ 3a) skip the #include BUT you cannot use any PETSc data type names like Vec, Mat, PetscInt, PetscErrorCode etc 2186 $ and you must declare the variables as integer, for example 2187 $ integer variablename 2188 $ 2189 $ 4a) skip the #include, you use the object types like type(Vec) type(Mat) but cannot use the data type 2190 $ names like PetscErrorCode, PetscInt etc. again for those you must use integer 2191 2192 We recommend either 2 or 3. Approaches 2 and 3 provide type checking for most PETSc function calls; 4 has type checking 2193 for only a few PETSc functions. 2194 2195 Fortran type checking with interfaces is strick, this means you cannot pass a scalar value when an array value 2196 is expected (even though it is legal Fortran). For example when setting a single value in a matrix with MatSetValues() 2197 you cannot have something like 2198 $ PetscInt row,col 2199 $ PetscScalar val 2200 $ ... 2201 $ call MatSetValues(mat,1,row,1,col,val,INSERT_VALUES,ierr) 2202 You must instead have 2203 $ PetscInt row(1),col(1) 2204 $ PetscScalar val(1) 2205 $ ... 2206 $ call MatSetValues(mat,1,row,1,col,val,INSERT_VALUES,ierr) 2207 2208 2209 See the example src/vec/vec/examples/tutorials/ex20f90.F90 for an example that can use all four approaches 2210 2211 Developer Notes: The finclude/petscXXXdef.h contain all the #defines (would be typedefs in C code) these 2212 automatically include their predecessors; for example finclude/petscvecdef.h includes finclude/petscisdef.h 2213 2214 The finclude/petscXXXX.h contain all the parameter statements for that package. These automatically include 2215 their finclude/petscXXXdef.h file but DO NOT automatically include their predecessors; for example 2216 finclude/petscvec.h does NOT automatically include finclude/petscis.h 2217 2218 The finclude/ftn-custom/petscXXXdef.h90 are not intended to be used directly in code, they define the 2219 Fortran data type type(XXX) (for example type(Vec)) when PETSc is ./configure with the --with-fortran-datatypes option. 2220 2221 The finclude/ftn-custom/petscXXX.h90 (not included directly by code) contain interface definitions for 2222 the PETSc Fortran stubs that have different bindings then their C version (for example VecGetArrayF90). 2223 2224 The finclude/ftn-auto/petscXXX.h90 (not included directly by code) contain interface definitions generated 2225 automatically by "make allfortranstubs". 2226 2227 The finclude/petscXXX.h90 includes the custom finclude/ftn-custom/petscXXX.h90 and if ./configure 2228 was run with --with-fortran-interfaces it also includes the finclude/ftn-auto/petscXXX.h90 These DO NOT automatically 2229 include their predecessors 2230 2231 Level: beginner 2232 2233 M*/ 2234 2235 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetArchType(char[],size_t); 2236 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetHostName(char[],size_t); 2237 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetUserName(char[],size_t); 2238 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetProgramName(char[],size_t); 2239 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSetProgramName(const char[]); 2240 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetDate(char[],size_t); 2241 2242 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSortInt(PetscInt,PetscInt[]); 2243 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSortRemoveDupsInt(PetscInt*,PetscInt[]); 2244 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSortIntWithPermutation(PetscInt,const PetscInt[],PetscInt[]); 2245 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSortStrWithPermutation(PetscInt,const char*[],PetscInt[]); 2246 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSortIntWithArray(PetscInt,PetscInt[],PetscInt[]); 2247 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSortMPIIntWithArray(PetscMPIInt,PetscMPIInt[],PetscMPIInt[]); 2248 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSortIntWithScalarArray(PetscInt,PetscInt[],PetscScalar[]); 2249 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSortReal(PetscInt,PetscReal[]); 2250 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSortRealWithPermutation(PetscInt,const PetscReal[],PetscInt[]); 2251 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSortSplit(PetscInt,PetscInt,PetscScalar[],PetscInt[]); 2252 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSortSplitReal(PetscInt,PetscInt,PetscReal[],PetscInt[]); 2253 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscProcessTree(PetscInt,const PetscBool [],const PetscInt[],PetscInt*,PetscInt**,PetscInt**,PetscInt**,PetscInt**); 2254 2255 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSetDisplay(void); 2256 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetDisplay(char[],size_t); 2257 2258 /*E 2259 PetscRandomType - String with the name of a PETSc randomizer 2260 with an optional dynamic library name, for example 2261 http://www.mcs.anl.gov/petsc/lib.a:myrandcreate() 2262 2263 Level: beginner 2264 2265 Notes: to use the SPRNG you must have ./configure PETSc 2266 with the option --download-sprng 2267 2268 .seealso: PetscRandomSetType(), PetscRandom 2269 E*/ 2270 #define PetscRandomType char* 2271 #define PETSCRAND "rand" 2272 #define PETSCRAND48 "rand48" 2273 #define PETSCSPRNG "sprng" 2274 2275 /* Logging support */ 2276 extern PETSCSYS_DLLEXPORT PetscClassId PETSC_RANDOM_CLASSID; 2277 2278 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomInitializePackage(const char[]); 2279 2280 /*S 2281 PetscRandom - Abstract PETSc object that manages generating random numbers 2282 2283 Level: intermediate 2284 2285 Concepts: random numbers 2286 2287 .seealso: PetscRandomCreate(), PetscRandomGetValue(), PetscRandomType 2288 S*/ 2289 typedef struct _p_PetscRandom* PetscRandom; 2290 2291 /* Dynamic creation and loading functions */ 2292 extern PetscFList PetscRandomList; 2293 extern PetscBool PetscRandomRegisterAllCalled; 2294 2295 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomRegisterAll(const char []); 2296 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomRegister(const char[],const char[],const char[],PetscErrorCode (*)(PetscRandom)); 2297 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomRegisterDestroy(void); 2298 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomSetType(PetscRandom, const PetscRandomType); 2299 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomSetFromOptions(PetscRandom); 2300 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomGetType(PetscRandom, const PetscRandomType*); 2301 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomViewFromOptions(PetscRandom,char*); 2302 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomView(PetscRandom,PetscViewer); 2303 2304 /*MC 2305 PetscRandomRegisterDynamic - Adds a new PetscRandom component implementation 2306 2307 Synopsis: 2308 PetscErrorCode PetscRandomRegisterDynamic(const char *name, const char *path, const char *func_name, PetscErrorCode (*create_func)(PetscRandom)) 2309 2310 Not Collective 2311 2312 Input Parameters: 2313 + name - The name of a new user-defined creation routine 2314 . path - The path (either absolute or relative) of the library containing this routine 2315 . func_name - The name of routine to create method context 2316 - create_func - The creation routine itself 2317 2318 Notes: 2319 PetscRandomRegisterDynamic() may be called multiple times to add several user-defined randome number generators 2320 2321 If dynamic libraries are used, then the fourth input argument (routine_create) is ignored. 2322 2323 Sample usage: 2324 .vb 2325 PetscRandomRegisterDynamic("my_rand","/home/username/my_lib/lib/libO/solaris/libmy.a", "MyPetscRandomtorCreate", MyPetscRandomtorCreate); 2326 .ve 2327 2328 Then, your random type can be chosen with the procedural interface via 2329 .vb 2330 PetscRandomCreate(MPI_Comm, PetscRandom *); 2331 PetscRandomSetType(PetscRandom,"my_random_name"); 2332 .ve 2333 or at runtime via the option 2334 .vb 2335 -random_type my_random_name 2336 .ve 2337 2338 Notes: $PETSC_ARCH occuring in pathname will be replaced with appropriate values. 2339 2340 For an example of the code needed to interface your own random number generator see 2341 src/sys/random/impls/rand/rand.c 2342 2343 Level: advanced 2344 2345 .keywords: PetscRandom, register 2346 .seealso: PetscRandomRegisterAll(), PetscRandomRegisterDestroy(), PetscRandomRegister() 2347 M*/ 2348 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 2349 #define PetscRandomRegisterDynamic(a,b,c,d) PetscRandomRegister(a,b,c,0) 2350 #else 2351 #define PetscRandomRegisterDynamic(a,b,c,d) PetscRandomRegister(a,b,c,d) 2352 #endif 2353 2354 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomCreate(MPI_Comm,PetscRandom*); 2355 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomGetValue(PetscRandom,PetscScalar*); 2356 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomGetValueReal(PetscRandom,PetscReal*); 2357 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomGetInterval(PetscRandom,PetscScalar*,PetscScalar*); 2358 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomSetInterval(PetscRandom,PetscScalar,PetscScalar); 2359 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomSetSeed(PetscRandom,unsigned long); 2360 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomGetSeed(PetscRandom,unsigned long *); 2361 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomSeed(PetscRandom); 2362 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscRandomDestroy(PetscRandom); 2363 2364 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetFullPath(const char[],char[],size_t); 2365 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetRelativePath(const char[],char[],size_t); 2366 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetWorkingDirectory(char[],size_t); 2367 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetRealPath(const char[],char[]); 2368 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetHomeDirectory(char[],size_t); 2369 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscTestFile(const char[],char,PetscBool *); 2370 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscTestDirectory(const char[],char,PetscBool *); 2371 2372 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscBinaryRead(int,void*,PetscInt,PetscDataType); 2373 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscBinarySynchronizedRead(MPI_Comm,int,void*,PetscInt,PetscDataType); 2374 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscBinarySynchronizedWrite(MPI_Comm,int,void*,PetscInt,PetscDataType,PetscBool ); 2375 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscBinaryWrite(int,void*,PetscInt,PetscDataType,PetscBool ); 2376 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscBinaryOpen(const char[],PetscFileMode,int *); 2377 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscBinaryClose(int); 2378 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSharedTmp(MPI_Comm,PetscBool *); 2379 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSharedWorkingDirectory(MPI_Comm,PetscBool *); 2380 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGetTmp(MPI_Comm,char[],size_t); 2381 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscFileRetrieve(MPI_Comm,const char[],char[],size_t,PetscBool *); 2382 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscLs(MPI_Comm,const char[],char[],size_t,PetscBool *); 2383 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscOpenSocket(char*,int,int*); 2384 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscWebServe(MPI_Comm,int); 2385 2386 /* 2387 In binary files variables are stored using the following lengths, 2388 regardless of how they are stored in memory on any one particular 2389 machine. Use these rather then sizeof() in computing sizes for 2390 PetscBinarySeek(). 2391 */ 2392 #define PETSC_BINARY_INT_SIZE (32/8) 2393 #define PETSC_BINARY_FLOAT_SIZE (32/8) 2394 #define PETSC_BINARY_CHAR_SIZE (8/8) 2395 #define PETSC_BINARY_SHORT_SIZE (16/8) 2396 #define PETSC_BINARY_DOUBLE_SIZE (64/8) 2397 #define PETSC_BINARY_SCALAR_SIZE sizeof(PetscScalar) 2398 2399 /*E 2400 PetscBinarySeekType - argument to PetscBinarySeek() 2401 2402 Level: advanced 2403 2404 .seealso: PetscBinarySeek(), PetscBinarySynchronizedSeek() 2405 E*/ 2406 typedef enum {PETSC_BINARY_SEEK_SET = 0,PETSC_BINARY_SEEK_CUR = 1,PETSC_BINARY_SEEK_END = 2} PetscBinarySeekType; 2407 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscBinarySeek(int,off_t,PetscBinarySeekType,off_t*); 2408 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscBinarySynchronizedSeek(MPI_Comm,int,off_t,PetscBinarySeekType,off_t*); 2409 2410 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSetDebugTerminal(const char[]); 2411 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSetDebugger(const char[],PetscBool ); 2412 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSetDefaultDebugger(void); 2413 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSetDebuggerFromString(char*); 2414 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscAttachDebugger(void); 2415 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscStopForDebugger(void); 2416 2417 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGatherNumberOfMessages(MPI_Comm,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt*); 2418 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGatherMessageLengths(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**); 2419 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscGatherMessageLengths2(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**,PetscMPIInt**); 2420 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscPostIrecvInt(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscInt***,MPI_Request**); 2421 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscPostIrecvScalar(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscScalar***,MPI_Request**); 2422 2423 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSSEIsEnabled(MPI_Comm,PetscBool *,PetscBool *); 2424 2425 /*E 2426 InsertMode - Whether entries are inserted or added into vectors or matrices 2427 2428 Level: beginner 2429 2430 .seealso: VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(), 2431 VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(), 2432 MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd() 2433 E*/ 2434 typedef enum {NOT_SET_VALUES, INSERT_VALUES, ADD_VALUES, MAX_VALUES} InsertMode; 2435 2436 /*MC 2437 INSERT_VALUES - Put a value into a vector or matrix, overwrites any previous value 2438 2439 Level: beginner 2440 2441 .seealso: InsertMode, VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(), 2442 VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(), ADD_VALUES, 2443 MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd(), MAX_VALUES 2444 2445 M*/ 2446 2447 /*MC 2448 ADD_VALUES - Adds a value into a vector or matrix, if there previously was no value, just puts the 2449 value into that location 2450 2451 Level: beginner 2452 2453 .seealso: InsertMode, VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(), 2454 VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(), INSERT_VALUES, 2455 MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd(), MAX_VALUES 2456 2457 M*/ 2458 2459 /*MC 2460 MAX_VALUES - Puts the maximum of the scattered/gathered value and the current value into each location 2461 2462 Level: beginner 2463 2464 .seealso: InsertMode, VecScatterBegin(), VecScatterEnd(), ADD_VALUES, INSERT_VALUES 2465 2466 M*/ 2467 2468 /*S 2469 PetscSubcomm - Context of MPI subcommunicators, used by PCREDUNDANT 2470 2471 Level: advanced 2472 2473 Concepts: communicator, create 2474 S*/ 2475 typedef struct _n_PetscSubcomm* PetscSubcomm; 2476 2477 struct _n_PetscSubcomm { 2478 MPI_Comm parent; /* parent communicator */ 2479 MPI_Comm dupparent; /* duplicate parent communicator, under which the processors of this subcomm have contiguous rank */ 2480 MPI_Comm comm; /* this communicator */ 2481 PetscInt n; /* num of subcommunicators under the parent communicator */ 2482 PetscInt color; /* color of processors belong to this communicator */ 2483 }; 2484 2485 typedef enum {PETSC_SUBCOMM_GENERAL=0,PETSC_SUBCOMM_CONTIGUOUS=1,PETSC_SUBCOMM_INTERLACED=2} PetscSubcommType; 2486 extern const char *PetscSubcommTypes[]; 2487 2488 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSubcommCreate(MPI_Comm,PetscSubcomm*); 2489 EXTERN PetscErrorCode PETSCSYS_DLLEXPORT PetscSubcommDestroy(PetscSubcomm); 2490 EXTERN PetscErrorCode PETSCMAT_DLLEXPORT PetscSubcommSetNumber(PetscSubcomm,PetscInt); 2491 EXTERN PetscErrorCode PETSCMAT_DLLEXPORT PetscSubcommSetType(PetscSubcomm,const PetscSubcommType); 2492 EXTERN PetscErrorCode PETSCMAT_DLLEXPORT PetscSubcommSetTypeGeneral(PetscSubcomm,PetscMPIInt,PetscMPIInt,PetscMPIInt); 2493 2494 PETSC_EXTERN_CXX_END 2495 2496 #endif 2497