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(__cplusplus) 26 # define PETSC_FUNCTION_NAME PETSC_FUNCTION_NAME_CXX 27 #else 28 # define PETSC_FUNCTION_NAME PETSC_FUNCTION_NAME_C 29 #endif 30 31 #if defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus) 32 #define PETSC_EXTERN_CXX_BEGIN extern "C" { 33 #define PETSC_EXTERN_CXX_END } 34 #else 35 #define PETSC_EXTERN_CXX_BEGIN 36 #define PETSC_EXTERN_CXX_END 37 #endif 38 /* ========================================================================== */ 39 /* 40 Current PETSc version number and release date. Also listed in 41 Web page 42 src/docs/tex/manual/intro.tex, 43 src/docs/tex/manual/manual.tex. 44 src/docs/website/index.html. 45 */ 46 #include "petscversion.h" 47 #define PETSC_AUTHOR_INFO " The PETSc Team\n petsc-maint@mcs.anl.gov\n http://www.mcs.anl.gov/petsc/\n" 48 #if (PETSC_VERSION_RELEASE == 1) 49 #define PetscGetVersion(version,len) PetscSNPrintf(version,len,"Petsc Release Version %d.%d.%d, Patch %d, %s ", \ 50 PETSC_VERSION_MAJOR,PETSC_VERSION_MINOR, PETSC_VERSION_SUBMINOR, \ 51 PETSC_VERSION_PATCH,PETSC_VERSION_PATCH_DATE) 52 #else 53 #define PetscGetVersion(version,len) PetscSNPrintf(version,len,"Petsc Development HG revision: %s HG Date: %s", \ 54 PETSC_VERSION_HG, PETSC_VERSION_DATE_HG) 55 #endif 56 57 /*MC 58 PetscGetVersion - Gets the PETSc version information in a string. 59 60 Input Parameter: 61 . len - length of the string 62 63 Output Parameter: 64 . version - version string 65 66 Level: developer 67 68 Usage: 69 char version[256]; 70 ierr = PetscGetVersion(version,256);CHKERRQ(ierr) 71 72 Fortran Note: 73 This routine is not supported in Fortran. 74 75 .seealso: PetscGetProgramName() 76 77 M*/ 78 79 /* ========================================================================== */ 80 81 /* 82 Defines the interface to MPI allowing the use of all MPI functions. 83 84 PETSc does not use the C++ binding of MPI at ALL. The following flag 85 makes sure the C++ bindings are not included. The C++ bindings REQUIRE 86 putting mpi.h before ANY C++ include files, we cannot control this 87 with all PETSc users. Users who want to use the MPI C++ bindings can include 88 mpicxx.h directly in their code 89 */ 90 #define MPICH_SKIP_MPICXX 1 91 #define OMPI_SKIP_MPICXX 1 92 #include "mpi.h" 93 94 /* 95 Yuck, we need to put stdio.h AFTER mpi.h for MPICH2 with C++ compiler 96 see the top of mpicxx.h in the MPICH2 distribution. 97 98 The MPI STANDARD HAS TO BE CHANGED to prevent this nonsense. 99 */ 100 #include <stdio.h> 101 102 /* MSMPI on 32bit windows requires this yukky hack - that breaks MPI standard compliance */ 103 #if !defined(MPIAPI) 104 #define MPIAPI 105 #endif 106 107 108 /*MC 109 PetscErrorCode - datatype used for return error code from all PETSc functions 110 111 Level: beginner 112 113 .seealso: CHKERRQ, SETERRQ 114 M*/ 115 typedef int PetscErrorCode; 116 117 /*MC 118 119 PetscClassId - A unique id used to identify each PETSc class. 120 (internal integer in the data structure used for error 121 checking). These are all defined by an offset from the lowest 122 one, PETSC_SMALLEST_CLASSID. 123 124 Level: advanced 125 126 .seealso: PetscClassIdRegister(), PetscLogEventRegister(), PetscHeaderCreate() 127 M*/ 128 typedef int PetscClassId; 129 130 131 /*MC 132 PetscBLASInt - datatype used to represent 'int' parameters to BLAS/LAPACK functions. 133 134 Level: intermediate 135 136 Notes: usually this is the same as PetscInt, but if PETSc was built with --with-64-bit-indices but 137 standard C/Fortran integers are 32 bit then this is NOT the same as PetscInt it remains 32 bit 138 (except on very rare BLAS/LAPACK implementations that support 64 bit integers see the note below). 139 140 PetscBLASIntCheck(a) checks if the given PetscInt a will fit in a PetscBLASInt, if not it generates a 141 PETSC_ERR_ARG_OUTOFRANGE. 142 143 PetscBLASInt b = PetscBLASIntCast(a) checks if the given PetscInt a will fit in a PetscBLASInt, if not it 144 generates a PETSC_ERR_ARG_OUTOFRANGE 145 146 Developer Notes: The 64bit versions of MATLAB ship with BLAS and LAPACK that use 64 bit integers for sizes etc, 147 if you run ./configure with the option 148 --with-blas-lapack-lib=[/Applications/MATLAB_R2010b.app/bin/maci64/libmwblas.dylib,/Applications/MATLAB_R2010b.app/bin/maci64/libmwlapack.dylib] 149 for example, you can change the int below to long int. Since MATLAB uses the MKL (Intel Math Libraries) it is likely one can 150 purchase a 64 bit integer version of the MKL and use that with a PetscBLASInt of long int. 151 152 External packages such as hypre, ML, SuperLU etc do not provide any support for passing 64 bit integers to BLAS/LAPACK so cannot 153 be used with PETSc if you have set PetscBLASInt to long int. 154 155 .seealso: PetscMPIInt, PetscInt 156 157 M*/ 158 typedef int PetscBLASInt; 159 160 /*MC 161 PetscMPIInt - datatype used to represent 'int' parameters to MPI functions. 162 163 Level: intermediate 164 165 Notes: usually this is the same as PetscInt, but if PETSc was built with --with-64-bit-indices but 166 standard C/Fortran integers are 32 bit then this is NOT the same as PetscInt it remains 32 bit 167 168 PetscMPIIntCheck(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it generates a 169 PETSC_ERR_ARG_OUTOFRANGE. 170 171 PetscMPIInt b = PetscMPIIntCast(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it 172 generates a PETSC_ERR_ARG_OUTOFRANGE 173 174 .seealso: PetscBLASInt, PetscInt 175 176 M*/ 177 typedef int PetscMPIInt; 178 179 /*MC 180 PetscEnum - datatype used to pass enum types within PETSc functions. 181 182 Level: intermediate 183 184 PetscMPIIntCheck(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it generates a 185 PETSC_ERR_ARG_OUTOFRANGE. 186 187 PetscMPIInt b = PetscMPIIntCast(a) checks if the given PetscInt a will fit in a PetscMPIInt, if not it 188 generates a PETSC_ERR_ARG_OUTOFRANGE 189 190 .seealso: PetscOptionsGetEnum(), PetscOptionsEnum(), PetscBagRegisterEnum() 191 M*/ 192 typedef enum { ENUM_DUMMY } PetscEnum; 193 194 /*MC 195 PetscInt - PETSc type that represents integer - used primarily to 196 represent size of arrays and indexing into arrays. Its size can be configured with the option 197 --with-64-bit-indices - to be either 32bit or 64bit [default 32 bit ints] 198 199 Level: intermediate 200 201 .seealso: PetscScalar, PetscBLASInt, PetscMPIInt 202 M*/ 203 #if defined(PETSC_USE_64BIT_INDICES) 204 typedef long long PetscInt; 205 #define MPIU_INT MPI_LONG_LONG_INT 206 #else 207 typedef int PetscInt; 208 #define MPIU_INT MPI_INT 209 #endif 210 211 /*EC 212 213 PetscPrecision - indicates what precision the object is using 214 215 Level: advanced 216 217 .seealso: PetscObjectSetPrecision() 218 E*/ 219 typedef enum { PETSC_PRECISION_SINGLE=4,PETSC_PRECISION_DOUBLE=8 } PetscPrecision; 220 extern const char *PetscPrecisions[]; 221 222 223 /* 224 For the rare cases when one needs to send a size_t object with MPI 225 */ 226 #if (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_INT) 227 #define MPIU_SIZE_T MPI_INT 228 #elif (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_LONG) 229 #define MPIU_SIZE_T MPI_LONG 230 #elif (PETSC_SIZEOF_SIZE_T) == (PETSC_SIZEOF_LONG_LONG) 231 #define MPIU_SIZE_T MPI_LONG_LONG_INT 232 #else 233 #error "Unknown size for size_t! Send us a bugreport at petsc-maint@mcs.anl.gov" 234 #endif 235 236 237 /* 238 You can use PETSC_STDOUT as a replacement of stdout. You can also change 239 the value of PETSC_STDOUT to redirect all standard output elsewhere 240 */ 241 242 extern FILE* PETSC_STDOUT; 243 244 /* 245 You can use PETSC_STDERR as a replacement of stderr. You can also change 246 the value of PETSC_STDERR to redirect all standard error elsewhere 247 */ 248 extern FILE* PETSC_STDERR; 249 250 /* 251 PETSC_ZOPEFD is used to send data to the PETSc webpage. It can be used 252 in conjunction with PETSC_STDOUT, or by itself. 253 */ 254 extern FILE* PETSC_ZOPEFD; 255 256 #if !defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus) 257 /*MC 258 PetscPolymorphicSubroutine - allows defining a C++ polymorphic version of 259 a PETSc function that remove certain optional arguments for a simplier user interface 260 261 Synopsis: 262 PetscPolymorphicSubroutine(Functionname,(arguments of C++ function),(arguments of C function)) 263 264 Not collective 265 266 Level: developer 267 268 Example: 269 PetscPolymorphicSubroutine(VecNorm,(Vec x,PetscReal *r),(x,NORM_2,r)) generates the new routine 270 PetscErrorCode VecNorm(Vec x,PetscReal *r) = VecNorm(x,NORM_2,r) 271 272 .seealso: PetscPolymorphicFunction() 273 274 M*/ 275 #define PetscPolymorphicSubroutine(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {return A C;} 276 277 /*MC 278 PetscPolymorphicScalar - allows defining a C++ polymorphic version of 279 a PETSc function that replaces a PetscScalar * argument with a PetscScalar argument 280 281 Synopsis: 282 PetscPolymorphicScalar(Functionname,(arguments of C++ function),(arguments of C function)) 283 284 Not collective 285 286 Level: developer 287 288 Example: 289 PetscPolymorphicScalar(VecAXPY,(PetscScalar _val,Vec x,Vec y),(&_Val,x,y)) generates the new routine 290 PetscErrorCode VecAXPY(PetscScalar _val,Vec x,Vec y) = {PetscScalar _Val = _val; return VecAXPY(&_Val,x,y);} 291 292 .seealso: PetscPolymorphicFunction(),PetscPolymorphicSubroutine() 293 294 M*/ 295 #define PetscPolymorphicScalar(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {PetscScalar _Val = _val; return A C;} 296 297 /*MC 298 PetscPolymorphicFunction - allows defining a C++ polymorphic version of 299 a PETSc function that remove certain optional arguments for a simplier user interface 300 and returns the computed value (istead of an error code) 301 302 Synopsis: 303 PetscPolymorphicFunction(Functionname,(arguments of C++ function),(arguments of C function),return type,return variable name) 304 305 Not collective 306 307 Level: developer 308 309 Example: 310 PetscPolymorphicFunction(VecNorm,(Vec x,NormType t),(x,t,&r),PetscReal,r) generates the new routine 311 PetscReal VecNorm(Vec x,NormType t) = {PetscReal r; VecNorm(x,t,&r); return r;} 312 313 .seealso: PetscPolymorphicSubroutine() 314 315 M*/ 316 #define PetscPolymorphicFunction(A,B,C,D,E) PETSC_STATIC_INLINE D A B {D E; A C;return E;} 317 318 #else 319 #define PetscPolymorphicSubroutine(A,B,C) 320 #define PetscPolymorphicScalar(A,B,C) 321 #define PetscPolymorphicFunction(A,B,C,D,E) 322 #endif 323 324 /*MC 325 PetscUnlikely - hints the compiler that the given condition is usually FALSE 326 327 Synopsis: 328 PetscBool PetscUnlikely(PetscBool cond) 329 330 Not Collective 331 332 Input Parameters: 333 . cond - condition or expression 334 335 Note: This returns the same truth value, it is only a hint to compilers that the resulting 336 branch is unlikely. 337 338 Level: advanced 339 340 .seealso: PetscLikely(), CHKERRQ 341 M*/ 342 343 /*MC 344 PetscLikely - hints the compiler that the given condition is usually TRUE 345 346 Synopsis: 347 PetscBool PetscUnlikely(PetscBool cond) 348 349 Not Collective 350 351 Input Parameters: 352 . cond - condition or expression 353 354 Note: This returns the same truth value, it is only a hint to compilers that the resulting 355 branch is likely. 356 357 Level: advanced 358 359 .seealso: PetscUnlikely() 360 M*/ 361 #if defined(PETSC_HAVE_BUILTIN_EXPECT) 362 # define PetscUnlikely(cond) __builtin_expect(!!(cond),0) 363 # define PetscLikely(cond) __builtin_expect(!!(cond),1) 364 #else 365 # define PetscUnlikely(cond) (cond) 366 # define PetscLikely(cond) (cond) 367 #endif 368 369 /* 370 Defines some elementary mathematics functions and constants. 371 */ 372 #include "petscmath.h" 373 374 /* 375 Declare extern C stuff after including external header files 376 */ 377 378 PETSC_EXTERN_CXX_BEGIN 379 380 /* 381 Basic PETSc constants 382 */ 383 384 /*E 385 PetscBool - Logical variable. Actually an int in C and a logical in Fortran. 386 387 Level: beginner 388 389 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 390 boolean values. It is not easy to have a simple macro that that will work properly in all circumstances with all three mechanisms. 391 392 E*/ 393 typedef enum { PETSC_FALSE,PETSC_TRUE } PetscBool; 394 extern const char *PetscBools[]; 395 396 /*E 397 PetscCopyMode - Determines how an array passed to certain functions is copied or retained 398 399 Level: beginner 400 401 $ PETSC_COPY_VALUES - the array values are copied into new space, the user is free to reuse or delete the passed in array 402 $ 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 403 $ delete the array. The array MUST have been obtained with PetscMalloc(). Hence this mode cannot be used in Fortran. 404 $ 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 405 the array but the user must delete the array after the object is destroyed. 406 407 E*/ 408 typedef enum { PETSC_COPY_VALUES, PETSC_OWN_POINTER, PETSC_USE_POINTER} PetscCopyMode; 409 extern const char *PetscCopyModes[]; 410 411 /*MC 412 PETSC_FALSE - False value of PetscBool 413 414 Level: beginner 415 416 Note: Zero integer 417 418 .seealso: PetscBool , PETSC_TRUE 419 M*/ 420 421 /*MC 422 PETSC_TRUE - True value of PetscBool 423 424 Level: beginner 425 426 Note: Nonzero integer 427 428 .seealso: PetscBool , PETSC_FALSE 429 M*/ 430 431 /*MC 432 PETSC_NULL - standard way of passing in a null or array or pointer 433 434 Level: beginner 435 436 Notes: accepted by many PETSc functions to not set a parameter and instead use 437 some default 438 439 This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, 440 PETSC_NULL_DOUBLE_PRECISION, PETSC_NULL_FUNCTION, PETSC_NULL_OBJECT etc 441 442 Developer Note: Why have PETSC_NULL, why not just use NULL? The problem is that NULL is defined in different include files under 443 different versions of Unix. It is tricky to insure the correct include file is always included. 444 445 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE 446 447 M*/ 448 #define PETSC_NULL 0 449 450 /*MC 451 PETSC_IGNORE - same as PETSC_NULL, means PETSc will ignore this argument 452 453 Level: beginner 454 455 Note: accepted by many PETSc functions to not set a parameter and instead use 456 some default 457 458 Fortran Notes: This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, 459 PETSC_NULL_DOUBLE_PRECISION etc 460 461 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_NULL, PETSC_DETERMINE 462 463 M*/ 464 #define PETSC_IGNORE PETSC_NULL 465 466 /*MC 467 PETSC_DECIDE - standard way of passing in integer or floating point parameter 468 where you wish PETSc to use the default. 469 470 Level: beginner 471 472 .seealso: PETSC_NULL, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE 473 474 M*/ 475 #define PETSC_DECIDE -1 476 477 /*MC 478 PETSC_DETERMINE - standard way of passing in integer or floating point parameter 479 where you wish PETSc to compute the required value. 480 481 Level: beginner 482 483 484 Developer Note: I would like to use const PetscInt PETSC_DETERMINE = PETSC_DECIDE; but for 485 some reason this is not allowed by the standard even though PETSC_DECIDE is a constant value. 486 487 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_NULL, VecSetSizes() 488 489 M*/ 490 #define PETSC_DETERMINE PETSC_DECIDE 491 492 /*MC 493 PETSC_DEFAULT - standard way of passing in integer or floating point parameter 494 where you wish PETSc to use the default. 495 496 Level: beginner 497 498 Fortran Notes: You need to use PETSC_DEFAULT_INTEGER or PETSC_DEFAULT_DOUBLE_PRECISION. 499 500 .seealso: PETSC_DECIDE, PETSC_NULL, PETSC_IGNORE, PETSC_DETERMINE 501 502 M*/ 503 #define PETSC_DEFAULT -2 504 505 /*MC 506 PETSC_COMM_WORLD - the equivalent of the MPI_COMM_WORLD communicator which represents 507 all the processs that PETSc knows about. 508 509 Level: beginner 510 511 Notes: By default PETSC_COMM_WORLD and MPI_COMM_WORLD are identical unless you wish to 512 run PETSc on ONLY a subset of MPI_COMM_WORLD. In that case create your new (smaller) 513 communicator, call it, say comm, and set PETSC_COMM_WORLD = comm BEFORE calling 514 PetscInitialize() 515 516 .seealso: PETSC_COMM_SELF 517 518 M*/ 519 extern MPI_Comm PETSC_COMM_WORLD; 520 521 /*MC 522 PETSC_COMM_SELF - This is always MPI_COMM_SELF 523 524 Level: beginner 525 526 .seealso: PETSC_COMM_WORLD 527 528 M*/ 529 #define PETSC_COMM_SELF MPI_COMM_SELF 530 531 extern PetscBool PetscInitializeCalled; 532 extern PetscBool PetscFinalizeCalled; 533 534 extern PetscErrorCode PetscSetHelpVersionFunctions(PetscErrorCode (*)(MPI_Comm),PetscErrorCode (*)(MPI_Comm)); 535 extern PetscErrorCode PetscCommDuplicate(MPI_Comm,MPI_Comm*,int*); 536 extern PetscErrorCode PetscCommDestroy(MPI_Comm*); 537 538 /*MC 539 PetscMalloc - Allocates memory 540 541 Synopsis: 542 PetscErrorCode PetscMalloc(size_t m,void **result) 543 544 Not Collective 545 546 Input Parameter: 547 . m - number of bytes to allocate 548 549 Output Parameter: 550 . result - memory allocated 551 552 Level: beginner 553 554 Notes: Memory is always allocated at least double aligned 555 556 If you request memory of zero size it will allocate no space and assign the pointer to 0; PetscFree() will 557 properly handle not freeing the null pointer. 558 559 .seealso: PetscFree(), PetscNew() 560 561 Concepts: memory allocation 562 563 M*/ 564 #define PetscMalloc(a,b) ((a != 0) ? (*PetscTrMalloc)((a),__LINE__,PETSC_FUNCTION_NAME,__FILE__,__SDIR__,(void**)(b)) : (*(b) = 0,0) ) 565 566 /*MC 567 PetscAddrAlign - Rounds up an address to PETSC_MEMALIGN alignment 568 569 Synopsis: 570 void *PetscAddrAlign(void *addr) 571 572 Not Collective 573 574 Input Parameters: 575 . addr - address to align (any pointer type) 576 577 Level: developer 578 579 .seealso: PetscMallocAlign() 580 581 Concepts: memory allocation 582 M*/ 583 #define PetscAddrAlign(a) (void*)((((PETSC_UINTPTR_T)(a))+(PETSC_MEMALIGN-1)) & ~(PETSC_MEMALIGN-1)) 584 585 /*MC 586 PetscMalloc2 - Allocates 2 chunks of memory both aligned to PETSC_MEMALIGN 587 588 Synopsis: 589 PetscErrorCode PetscMalloc2(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2) 590 591 Not Collective 592 593 Input Parameter: 594 + m1 - number of elements to allocate in 1st chunk (may be zero) 595 . t1 - type of first memory elements 596 . m2 - number of elements to allocate in 2nd chunk (may be zero) 597 - t2 - type of second memory elements 598 599 Output Parameter: 600 + r1 - memory allocated in first chunk 601 - r2 - memory allocated in second chunk 602 603 Level: developer 604 605 .seealso: PetscFree(), PetscNew(), PetscMalloc() 606 607 Concepts: memory allocation 608 609 M*/ 610 #if defined(PETSC_USE_DEBUG) 611 #define PetscMalloc2(m1,t1,r1,m2,t2,r2) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2)) 612 #else 613 #define PetscMalloc2(m1,t1,r1,m2,t2,r2) ((*(r2) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(PETSC_MEMALIGN-1),r1)) \ 614 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),0)) 615 #endif 616 617 /*MC 618 PetscMalloc3 - Allocates 3 chunks of memory all aligned to PETSC_MEMALIGN 619 620 Synopsis: 621 PetscErrorCode PetscMalloc3(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3) 622 623 Not Collective 624 625 Input Parameter: 626 + m1 - number of elements to allocate in 1st chunk (may be zero) 627 . t1 - type of first memory elements 628 . m2 - number of elements to allocate in 2nd chunk (may be zero) 629 . t2 - type of second memory elements 630 . m3 - number of elements to allocate in 3rd chunk (may be zero) 631 - t3 - type of third memory elements 632 633 Output Parameter: 634 + r1 - memory allocated in first chunk 635 . r2 - memory allocated in second chunk 636 - r3 - memory allocated in third chunk 637 638 Level: developer 639 640 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3() 641 642 Concepts: memory allocation 643 644 M*/ 645 #if defined(PETSC_USE_DEBUG) 646 #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)) 647 #else 648 #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)) \ 649 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),0)) 650 #endif 651 652 /*MC 653 PetscMalloc4 - Allocates 4 chunks of memory all aligned to PETSC_MEMALIGN 654 655 Synopsis: 656 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) 657 658 Not Collective 659 660 Input Parameter: 661 + m1 - number of elements to allocate in 1st chunk (may be zero) 662 . t1 - type of first memory elements 663 . m2 - number of elements to allocate in 2nd chunk (may be zero) 664 . t2 - type of second memory elements 665 . m3 - number of elements to allocate in 3rd chunk (may be zero) 666 . t3 - type of third memory elements 667 . m4 - number of elements to allocate in 4th chunk (may be zero) 668 - t4 - type of fourth memory elements 669 670 Output Parameter: 671 + r1 - memory allocated in first chunk 672 . r2 - memory allocated in second chunk 673 . r3 - memory allocated in third chunk 674 - r4 - memory allocated in fourth chunk 675 676 Level: developer 677 678 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4() 679 680 Concepts: memory allocation 681 682 M*/ 683 #if defined(PETSC_USE_DEBUG) 684 #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)) 685 #else 686 #define PetscMalloc4(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4) \ 687 ((*(r2) = 0, *(r3) = 0, *(r4) = 0,PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+3*(PETSC_MEMALIGN-1),r1)) \ 688 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),0)) 689 #endif 690 691 /*MC 692 PetscMalloc5 - Allocates 5 chunks of memory all aligned to PETSC_MEMALIGN 693 694 Synopsis: 695 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) 696 697 Not Collective 698 699 Input Parameter: 700 + m1 - number of elements to allocate in 1st chunk (may be zero) 701 . t1 - type of first memory elements 702 . m2 - number of elements to allocate in 2nd chunk (may be zero) 703 . t2 - type of second memory elements 704 . m3 - number of elements to allocate in 3rd chunk (may be zero) 705 . t3 - type of third memory elements 706 . m4 - number of elements to allocate in 4th chunk (may be zero) 707 . t4 - type of fourth memory elements 708 . m5 - number of elements to allocate in 5th chunk (may be zero) 709 - t5 - type of fifth memory elements 710 711 Output Parameter: 712 + r1 - memory allocated in first chunk 713 . r2 - memory allocated in second chunk 714 . r3 - memory allocated in third chunk 715 . r4 - memory allocated in fourth chunk 716 - r5 - memory allocated in fifth chunk 717 718 Level: developer 719 720 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5() 721 722 Concepts: memory allocation 723 724 M*/ 725 #if defined(PETSC_USE_DEBUG) 726 #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)) 727 #else 728 #define PetscMalloc5(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5) \ 729 ((*(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)) \ 730 || (*(r2) = (t2*)PetscAddrAlign(*(r1)+m1),*(r3) = (t3*)PetscAddrAlign(*(r2)+m2),*(r4) = (t4*)PetscAddrAlign(*(r3)+m3),*(r5) = (t5*)PetscAddrAlign(*(r4)+m4),0)) 731 #endif 732 733 734 /*MC 735 PetscMalloc6 - Allocates 6 chunks of memory all aligned to PETSC_MEMALIGN 736 737 Synopsis: 738 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) 739 740 Not Collective 741 742 Input Parameter: 743 + m1 - number of elements to allocate in 1st chunk (may be zero) 744 . t1 - type of first memory elements 745 . m2 - number of elements to allocate in 2nd chunk (may be zero) 746 . t2 - type of second memory elements 747 . m3 - number of elements to allocate in 3rd chunk (may be zero) 748 . t3 - type of third memory elements 749 . m4 - number of elements to allocate in 4th chunk (may be zero) 750 . t4 - type of fourth memory elements 751 . m5 - number of elements to allocate in 5th chunk (may be zero) 752 . t5 - type of fifth memory elements 753 . m6 - number of elements to allocate in 6th chunk (may be zero) 754 - t6 - type of sixth memory elements 755 756 Output Parameter: 757 + r1 - memory allocated in first chunk 758 . r2 - memory allocated in second chunk 759 . r3 - memory allocated in third chunk 760 . r4 - memory allocated in fourth chunk 761 . r5 - memory allocated in fifth chunk 762 - r6 - memory allocated in sixth chunk 763 764 Level: developer 765 766 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6() 767 768 Concepts: memory allocation 769 770 M*/ 771 #if defined(PETSC_USE_DEBUG) 772 #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)) 773 #else 774 #define PetscMalloc6(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6) \ 775 ((*(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)) \ 776 || (*(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)) 777 #endif 778 779 /*MC 780 PetscMalloc7 - Allocates 7 chunks of memory all aligned to PETSC_MEMALIGN 781 782 Synopsis: 783 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) 784 785 Not Collective 786 787 Input Parameter: 788 + m1 - number of elements to allocate in 1st chunk (may be zero) 789 . t1 - type of first memory elements 790 . m2 - number of elements to allocate in 2nd chunk (may be zero) 791 . t2 - type of second memory elements 792 . m3 - number of elements to allocate in 3rd chunk (may be zero) 793 . t3 - type of third memory elements 794 . m4 - number of elements to allocate in 4th chunk (may be zero) 795 . t4 - type of fourth memory elements 796 . m5 - number of elements to allocate in 5th chunk (may be zero) 797 . t5 - type of fifth memory elements 798 . m6 - number of elements to allocate in 6th chunk (may be zero) 799 . t6 - type of sixth memory elements 800 . m7 - number of elements to allocate in 7th chunk (may be zero) 801 - t7 - type of sixth memory elements 802 803 Output Parameter: 804 + r1 - memory allocated in first chunk 805 . r2 - memory allocated in second chunk 806 . r3 - memory allocated in third chunk 807 . r4 - memory allocated in fourth chunk 808 . r5 - memory allocated in fifth chunk 809 . r6 - memory allocated in sixth chunk 810 - r7 - memory allocated in seventh chunk 811 812 Level: developer 813 814 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6(), PetscFree7() 815 816 Concepts: memory allocation 817 818 M*/ 819 #if defined(PETSC_USE_DEBUG) 820 #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)) 821 #else 822 #define PetscMalloc7(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6,m7,t7,r7) \ 823 ((*(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)) \ 824 || (*(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)) 825 #endif 826 827 /*MC 828 PetscNew - Allocates memory of a particular type, zeros the memory! Aligned to PETSC_MEMALIGN 829 830 Synopsis: 831 PetscErrorCode PetscNew(struct type,((type *))result) 832 833 Not Collective 834 835 Input Parameter: 836 . type - structure name of space to be allocated. Memory of size sizeof(type) is allocated 837 838 Output Parameter: 839 . result - memory allocated 840 841 Level: beginner 842 843 .seealso: PetscFree(), PetscMalloc(), PetscNewLog() 844 845 Concepts: memory allocation 846 847 M*/ 848 #define PetscNew(A,b) (PetscMalloc(sizeof(A),(b)) || PetscMemzero(*(b),sizeof(A))) 849 850 /*MC 851 PetscNewLog - Allocates memory of a particular type, zeros the memory! Aligned to PETSC_MEMALIGN. Associates the memory allocated 852 with the given object using PetscLogObjectMemory(). 853 854 Synopsis: 855 PetscErrorCode PetscNewLog(PetscObject obj,struct type,((type *))result) 856 857 Not Collective 858 859 Input Parameter: 860 + obj - object memory is logged to 861 - type - structure name of space to be allocated. Memory of size sizeof(type) is allocated 862 863 Output Parameter: 864 . result - memory allocated 865 866 Level: developer 867 868 .seealso: PetscFree(), PetscMalloc(), PetscNew(), PetscLogObjectMemory() 869 870 Concepts: memory allocation 871 872 M*/ 873 #define PetscNewLog(o,A,b) (PetscNew(A,b) || ((o) ? PetscLogObjectMemory(o,sizeof(A)) : 0)) 874 875 /*MC 876 PetscFree - Frees memory 877 878 Synopsis: 879 PetscErrorCode PetscFree(void *memory) 880 881 Not Collective 882 883 Input Parameter: 884 . memory - memory to free (the pointer is ALWAYS set to 0 upon sucess) 885 886 Level: beginner 887 888 Notes: Memory must have been obtained with PetscNew() or PetscMalloc() 889 890 .seealso: PetscNew(), PetscMalloc(), PetscFreeVoid() 891 892 Concepts: memory allocation 893 894 M*/ 895 #define PetscFree(a) ((a) && ((*PetscTrFree)((void*)(a),__LINE__,PETSC_FUNCTION_NAME,__FILE__,__SDIR__) || ((a) = 0,0))) 896 897 /*MC 898 PetscFreeVoid - Frees memory 899 900 Synopsis: 901 void PetscFreeVoid(void *memory) 902 903 Not Collective 904 905 Input Parameter: 906 . memory - memory to free 907 908 Level: beginner 909 910 Notes: This is different from PetscFree() in that no error code is returned 911 912 .seealso: PetscFree(), PetscNew(), PetscMalloc() 913 914 Concepts: memory allocation 915 916 M*/ 917 #define PetscFreeVoid(a) ((*PetscTrFree)((a),__LINE__,PETSC_FUNCTION_NAME,__FILE__,__SDIR__),(a) = 0) 918 919 920 /*MC 921 PetscFree2 - Frees 2 chunks of memory obtained with PetscMalloc2() 922 923 Synopsis: 924 PetscErrorCode PetscFree2(void *memory1,void *memory2) 925 926 Not Collective 927 928 Input Parameter: 929 + memory1 - memory to free 930 - memory2 - 2nd memory to free 931 932 Level: developer 933 934 Notes: Memory must have been obtained with PetscMalloc2() 935 936 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree() 937 938 Concepts: memory allocation 939 940 M*/ 941 #if defined(PETSC_USE_DEBUG) 942 #define PetscFree2(m1,m2) (PetscFree(m2) || PetscFree(m1)) 943 #else 944 #define PetscFree2(m1,m2) ((m2)=0, PetscFree(m1)) 945 #endif 946 947 /*MC 948 PetscFree3 - Frees 3 chunks of memory obtained with PetscMalloc3() 949 950 Synopsis: 951 PetscErrorCode PetscFree3(void *memory1,void *memory2,void *memory3) 952 953 Not Collective 954 955 Input Parameter: 956 + memory1 - memory to free 957 . memory2 - 2nd memory to free 958 - memory3 - 3rd memory to free 959 960 Level: developer 961 962 Notes: Memory must have been obtained with PetscMalloc3() 963 964 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3() 965 966 Concepts: memory allocation 967 968 M*/ 969 #if defined(PETSC_USE_DEBUG) 970 #define PetscFree3(m1,m2,m3) (PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 971 #else 972 #define PetscFree3(m1,m2,m3) ((m3)=0,(m2)=0,PetscFree(m1)) 973 #endif 974 975 /*MC 976 PetscFree4 - Frees 4 chunks of memory obtained with PetscMalloc4() 977 978 Synopsis: 979 PetscErrorCode PetscFree4(void *m1,void *m2,void *m3,void *m4) 980 981 Not Collective 982 983 Input Parameter: 984 + m1 - memory to free 985 . m2 - 2nd memory to free 986 . m3 - 3rd memory to free 987 - m4 - 4th memory to free 988 989 Level: developer 990 991 Notes: Memory must have been obtained with PetscMalloc4() 992 993 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4() 994 995 Concepts: memory allocation 996 997 M*/ 998 #if defined(PETSC_USE_DEBUG) 999 #define PetscFree4(m1,m2,m3,m4) (PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1000 #else 1001 #define PetscFree4(m1,m2,m3,m4) ((m4)=0,(m3)=0,(m2)=0,PetscFree(m1)) 1002 #endif 1003 1004 /*MC 1005 PetscFree5 - Frees 5 chunks of memory obtained with PetscMalloc5() 1006 1007 Synopsis: 1008 PetscErrorCode PetscFree5(void *m1,void *m2,void *m3,void *m4,void *m5) 1009 1010 Not Collective 1011 1012 Input Parameter: 1013 + m1 - memory to free 1014 . m2 - 2nd memory to free 1015 . m3 - 3rd memory to free 1016 . m4 - 4th memory to free 1017 - m5 - 5th memory to free 1018 1019 Level: developer 1020 1021 Notes: Memory must have been obtained with PetscMalloc5() 1022 1023 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5() 1024 1025 Concepts: memory allocation 1026 1027 M*/ 1028 #if defined(PETSC_USE_DEBUG) 1029 #define PetscFree5(m1,m2,m3,m4,m5) (PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1030 #else 1031 #define PetscFree5(m1,m2,m3,m4,m5) ((m5)=0,(m4)=0,(m3)=0,(m2)=0,PetscFree(m1)) 1032 #endif 1033 1034 1035 /*MC 1036 PetscFree6 - Frees 6 chunks of memory obtained with PetscMalloc6() 1037 1038 Synopsis: 1039 PetscErrorCode PetscFree6(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6) 1040 1041 Not Collective 1042 1043 Input Parameter: 1044 + m1 - memory to free 1045 . m2 - 2nd memory to free 1046 . m3 - 3rd memory to free 1047 . m4 - 4th memory to free 1048 . m5 - 5th memory to free 1049 - m6 - 6th memory to free 1050 1051 1052 Level: developer 1053 1054 Notes: Memory must have been obtained with PetscMalloc6() 1055 1056 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6() 1057 1058 Concepts: memory allocation 1059 1060 M*/ 1061 #if defined(PETSC_USE_DEBUG) 1062 #define PetscFree6(m1,m2,m3,m4,m5,m6) (PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1063 #else 1064 #define PetscFree6(m1,m2,m3,m4,m5,m6) ((m6)=0,(m5)=0,(m4)=0,(m3)=0,(m2)=0,PetscFree(m1)) 1065 #endif 1066 1067 /*MC 1068 PetscFree7 - Frees 7 chunks of memory obtained with PetscMalloc7() 1069 1070 Synopsis: 1071 PetscErrorCode PetscFree7(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6,void *m7) 1072 1073 Not Collective 1074 1075 Input Parameter: 1076 + m1 - memory to free 1077 . m2 - 2nd memory to free 1078 . m3 - 3rd memory to free 1079 . m4 - 4th memory to free 1080 . m5 - 5th memory to free 1081 . m6 - 6th memory to free 1082 - m7 - 7th memory to free 1083 1084 1085 Level: developer 1086 1087 Notes: Memory must have been obtained with PetscMalloc7() 1088 1089 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6(), 1090 PetscMalloc7() 1091 1092 Concepts: memory allocation 1093 1094 M*/ 1095 #if defined(PETSC_USE_DEBUG) 1096 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7) (PetscFree(m7) || PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 1097 #else 1098 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7) ((m7)=0,(m6)=0,(m5)=0,(m4)=0,(m3)=0,(m2)=0,PetscFree(m1)) 1099 #endif 1100 1101 extern PetscErrorCode (*PetscTrMalloc)(size_t,int,const char[],const char[],const char[],void**); 1102 extern PetscErrorCode (*PetscTrFree)(void*,int,const char[],const char[],const char[]); 1103 extern PetscErrorCode PetscMallocSet(PetscErrorCode (*)(size_t,int,const char[],const char[],const char[],void**),PetscErrorCode (*)(void*,int,const char[],const char[],const char[])); 1104 extern PetscErrorCode PetscMallocClear(void); 1105 1106 /* 1107 Routines for tracing memory corruption/bleeding with default PETSc memory allocation 1108 */ 1109 extern PetscErrorCode PetscMallocDump(FILE *); 1110 extern PetscErrorCode PetscMallocDumpLog(FILE *); 1111 extern PetscErrorCode PetscMallocGetCurrentUsage(PetscLogDouble *); 1112 extern PetscErrorCode PetscMallocGetMaximumUsage(PetscLogDouble *); 1113 extern PetscErrorCode PetscMallocDebug(PetscBool); 1114 extern PetscErrorCode PetscMallocValidate(int,const char[],const char[],const char[]); 1115 extern PetscErrorCode PetscMallocSetDumpLog(void); 1116 1117 1118 /*E 1119 PetscDataType - Used for handling different basic data types. 1120 1121 Level: beginner 1122 1123 Developer comment: It would be nice if we could always just use MPI Datatypes, why can we not? 1124 1125 .seealso: PetscBinaryRead(), PetscBinaryWrite(), PetscDataTypeToMPIDataType(), 1126 PetscDataTypeGetSize() 1127 1128 E*/ 1129 typedef enum {PETSC_INT = 0,PETSC_DOUBLE = 1,PETSC_COMPLEX = 2, PETSC_LONG = 3 ,PETSC_SHORT = 4,PETSC_FLOAT = 5, 1130 PETSC_CHAR = 6,PETSC_BIT_LOGICAL = 7,PETSC_ENUM = 8,PETSC_BOOL=9, PETSC_LONG_DOUBLE = 10} PetscDataType; 1131 extern const char *PetscDataTypes[]; 1132 1133 #if defined(PETSC_USE_COMPLEX) 1134 #define PETSC_SCALAR PETSC_COMPLEX 1135 #else 1136 #if defined(PETSC_USE_REAL_SINGLE) 1137 #define PETSC_SCALAR PETSC_FLOAT 1138 #elif defined(PETSC_USE_REAL_LONG_DOUBLE) 1139 #define PETSC_SCALAR PETSC_LONG_DOUBLE 1140 #else 1141 #define PETSC_SCALAR PETSC_DOUBLE 1142 #endif 1143 #endif 1144 #if defined(PETSC_USE_REAL_SINGLE) 1145 #define PETSC_REAL PETSC_FLOAT 1146 #elif defined(PETSC_USE_REAL_LONG_DOUBLE) 1147 #define PETSC_REAL PETSC_LONG_DOUBLE 1148 #else 1149 #define PETSC_REAL PETSC_DOUBLE 1150 #endif 1151 #define PETSC_FORTRANADDR PETSC_LONG 1152 1153 extern PetscErrorCode PetscDataTypeToMPIDataType(PetscDataType,MPI_Datatype*); 1154 extern PetscErrorCode PetscMPIDataTypeToPetscDataType(MPI_Datatype,PetscDataType*); 1155 extern PetscErrorCode PetscDataTypeGetSize(PetscDataType,size_t*); 1156 1157 /* 1158 Basic memory and string operations. These are usually simple wrappers 1159 around the basic Unix system calls, but a few of them have additional 1160 functionality and/or error checking. 1161 */ 1162 extern PetscErrorCode PetscBitMemcpy(void*,PetscInt,const void*,PetscInt,PetscInt,PetscDataType); 1163 extern PetscErrorCode PetscMemmove(void*,void *,size_t); 1164 extern PetscErrorCode PetscMemcmp(const void*,const void*,size_t,PetscBool *); 1165 extern PetscErrorCode PetscStrlen(const char[],size_t*); 1166 extern PetscErrorCode PetscStrToArray(const char[],int*,char ***); 1167 extern PetscErrorCode PetscStrToArrayDestroy(int,char **); 1168 extern PetscErrorCode PetscStrcmp(const char[],const char[],PetscBool *); 1169 extern PetscErrorCode PetscStrgrt(const char[],const char[],PetscBool *); 1170 extern PetscErrorCode PetscStrcasecmp(const char[],const char[],PetscBool *); 1171 extern PetscErrorCode PetscStrncmp(const char[],const char[],size_t,PetscBool *); 1172 extern PetscErrorCode PetscStrcpy(char[],const char[]); 1173 extern PetscErrorCode PetscStrcat(char[],const char[]); 1174 extern PetscErrorCode PetscStrncat(char[],const char[],size_t); 1175 extern PetscErrorCode PetscStrncpy(char[],const char[],size_t); 1176 extern PetscErrorCode PetscStrchr(const char[],char,char *[]); 1177 extern PetscErrorCode PetscStrtolower(char[]); 1178 extern PetscErrorCode PetscStrrchr(const char[],char,char *[]); 1179 extern PetscErrorCode PetscStrstr(const char[],const char[],char *[]); 1180 extern PetscErrorCode PetscStrrstr(const char[],const char[],char *[]); 1181 extern PetscErrorCode PetscStrallocpy(const char[],char *[]); 1182 extern PetscErrorCode PetscStrreplace(MPI_Comm,const char[],char[],size_t); 1183 1184 /*S 1185 PetscToken - 'Token' used for managing tokenizing strings 1186 1187 Level: intermediate 1188 1189 .seealso: PetscTokenCreate(), PetscTokenFind(), PetscTokenDestroy() 1190 S*/ 1191 typedef struct _p_PetscToken* PetscToken; 1192 1193 extern PetscErrorCode PetscTokenCreate(const char[],const char,PetscToken*); 1194 extern PetscErrorCode PetscTokenFind(PetscToken,char *[]); 1195 extern PetscErrorCode PetscTokenDestroy(PetscToken); 1196 1197 /* 1198 These are MPI operations for MPI_Allreduce() etc 1199 */ 1200 extern MPI_Op PetscMaxSum_Op; 1201 #if (defined(PETSC_USE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) 1202 extern MPI_Op MPIU_SUM; 1203 #else 1204 #define MPIU_SUM MPI_SUM 1205 #endif 1206 #if defined(PETSC_USE_REAL___FLOAT128) 1207 extern MPI_Op MPIU_MAX; 1208 extern MPI_Op MPIU_MIN; 1209 #else 1210 #define MPIU_MAX MPI_MAX 1211 #define MPIU_MIN MPI_MIN 1212 #endif 1213 extern PetscErrorCode PetscMaxSum(MPI_Comm,const PetscInt[],PetscInt*,PetscInt*); 1214 1215 /*S 1216 PetscObject - any PETSc object, PetscViewer, Mat, Vec, KSP etc 1217 1218 Level: beginner 1219 1220 Note: This is the base class from which all objects appear. 1221 1222 .seealso: PetscObjectDestroy(), PetscObjectView(), PetscObjectGetName(), PetscObjectSetName(), PetscObjectReference(), PetscObjectDereferenc() 1223 S*/ 1224 typedef struct _p_PetscObject* PetscObject; 1225 1226 /*S 1227 PetscFList - Linked list of functions, possibly stored in dynamic libraries, accessed 1228 by string name 1229 1230 Level: advanced 1231 1232 .seealso: PetscFListAdd(), PetscFListDestroy() 1233 S*/ 1234 typedef struct _n_PetscFList *PetscFList; 1235 1236 /*E 1237 PetscFileMode - Access mode for a file. 1238 1239 Level: beginner 1240 1241 FILE_MODE_READ - open a file at its beginning for reading 1242 1243 FILE_MODE_WRITE - open a file at its beginning for writing (will create if the file does not exist) 1244 1245 FILE_MODE_APPEND - open a file at end for writing 1246 1247 FILE_MODE_UPDATE - open a file for updating, meaning for reading and writing 1248 1249 FILE_MODE_APPEND_UPDATE - open a file for updating, meaning for reading and writing, at the end 1250 1251 .seealso: PetscViewerFileSetMode() 1252 E*/ 1253 typedef enum {FILE_MODE_READ, FILE_MODE_WRITE, FILE_MODE_APPEND, FILE_MODE_UPDATE, FILE_MODE_APPEND_UPDATE} PetscFileMode; 1254 1255 #include "petscviewer.h" 1256 #include "petscoptions.h" 1257 1258 #define PETSC_SMALLEST_CLASSID 1211211 1259 extern PetscClassId PETSC_LARGEST_CLASSID; 1260 extern PetscClassId PETSC_OBJECT_CLASSID; 1261 extern PetscErrorCode PetscClassIdRegister(const char[],PetscClassId *); 1262 1263 /* 1264 Routines that get memory usage information from the OS 1265 */ 1266 extern PetscErrorCode PetscMemoryGetCurrentUsage(PetscLogDouble *); 1267 extern PetscErrorCode PetscMemoryGetMaximumUsage(PetscLogDouble *); 1268 extern PetscErrorCode PetscMemorySetGetMaximumUsage(void); 1269 extern PetscErrorCode PetscMemoryShowUsage(PetscViewer,const char[]); 1270 1271 extern PetscErrorCode PetscInfoAllow(PetscBool ,const char []); 1272 extern PetscErrorCode PetscGetTime(PetscLogDouble*); 1273 extern PetscErrorCode PetscGetCPUTime(PetscLogDouble*); 1274 extern PetscErrorCode PetscSleep(PetscReal); 1275 1276 /* 1277 Initialization of PETSc 1278 */ 1279 extern PetscErrorCode PetscInitialize(int*,char***,const char[],const char[]); 1280 PetscPolymorphicSubroutine(PetscInitialize,(int *argc,char ***args),(argc,args,PETSC_NULL,PETSC_NULL)) 1281 extern PetscErrorCode PetscInitializeNoArguments(void); 1282 extern PetscErrorCode PetscInitialized(PetscBool *); 1283 extern PetscErrorCode PetscFinalized(PetscBool *); 1284 extern PetscErrorCode PetscFinalize(void); 1285 extern PetscErrorCode PetscInitializeFortran(void); 1286 extern PetscErrorCode PetscGetArgs(int*,char ***); 1287 extern PetscErrorCode PetscGetArguments(char ***); 1288 extern PetscErrorCode PetscFreeArguments(char **); 1289 1290 extern PetscErrorCode PetscEnd(void); 1291 extern PetscErrorCode PetscSysInitializePackage(const char[]); 1292 1293 extern MPI_Comm PETSC_COMM_LOCAL_WORLD; 1294 extern PetscErrorCode PetscOpenMPMerge(PetscMPIInt,PetscErrorCode (*)(void*),void*); 1295 extern PetscErrorCode PetscOpenMPSpawn(PetscMPIInt); 1296 extern PetscErrorCode PetscOpenMPFinalize(void); 1297 extern PetscErrorCode PetscOpenMPRun(MPI_Comm,PetscErrorCode (*)(MPI_Comm,void *),void*); 1298 extern PetscErrorCode PetscOpenMPRunCtx(MPI_Comm,PetscErrorCode (*)(MPI_Comm,void*,void *),void*); 1299 extern PetscErrorCode PetscOpenMPFree(MPI_Comm,void*); 1300 extern PetscErrorCode PetscOpenMPMalloc(MPI_Comm,size_t,void**); 1301 1302 extern PetscErrorCode PetscPythonInitialize(const char[],const char[]); 1303 extern PetscErrorCode PetscPythonFinalize(void); 1304 extern PetscErrorCode PetscPythonPrintError(void); 1305 1306 /* 1307 These are so that in extern C code we can caste function pointers to non-extern C 1308 function pointers. Since the regular C++ code expects its function pointers to be 1309 C++. 1310 */ 1311 typedef void (**PetscVoidStarFunction)(void); 1312 typedef void (*PetscVoidFunction)(void); 1313 typedef PetscErrorCode (*PetscErrorCodeFunction)(void); 1314 1315 /* 1316 PetscTryMethod - Queries an object for a method, if it exists then calls it. 1317 These are intended to be used only inside PETSc functions. 1318 1319 Level: developer 1320 1321 .seealso: PetscUseMethod() 1322 */ 1323 #define PetscTryMethod(obj,A,B,C) \ 1324 0;{ PetscErrorCode (*f)B, __ierr; \ 1325 __ierr = PetscObjectQueryFunction((PetscObject)obj,A,(PetscVoidStarFunction)&f);CHKERRQ(__ierr); \ 1326 if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\ 1327 } 1328 1329 /* 1330 PetscUseMethod - Queries an object for a method, if it exists then calls it, otherwise generates an error. 1331 These are intended to be used only inside PETSc functions. 1332 1333 Level: developer 1334 1335 .seealso: PetscTryMethod() 1336 */ 1337 #define PetscUseMethod(obj,A,B,C) \ 1338 0;{ PetscErrorCode (*f)B, __ierr; \ 1339 __ierr = PetscObjectQueryFunction((PetscObject)obj,A,(PetscVoidStarFunction)&f);CHKERRQ(__ierr); \ 1340 if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\ 1341 else SETERRQ1(((PetscObject)obj)->comm,PETSC_ERR_SUP,"Cannot locate function %s in object",A); \ 1342 } 1343 1344 /* 1345 Functions that can act on any PETSc object. 1346 */ 1347 extern PetscErrorCode PetscObjectDestroy(PetscObject*); 1348 extern PetscErrorCode PetscObjectGetComm(PetscObject,MPI_Comm *); 1349 extern PetscErrorCode PetscObjectGetClassId(PetscObject,PetscClassId *); 1350 extern PetscErrorCode PetscObjectGetClassName(PetscObject,const char *[]); 1351 extern PetscErrorCode PetscObjectSetType(PetscObject,const char []); 1352 extern PetscErrorCode PetscObjectSetPrecision(PetscObject,PetscPrecision); 1353 extern PetscErrorCode PetscObjectGetType(PetscObject,const char *[]); 1354 extern PetscErrorCode PetscObjectSetName(PetscObject,const char[]); 1355 extern PetscErrorCode PetscObjectGetName(PetscObject,const char*[]); 1356 extern PetscErrorCode PetscObjectPrintClassNamePrefixType(PetscObject,PetscViewer,const char[]); 1357 extern PetscErrorCode PetscObjectSetTabLevel(PetscObject,PetscInt); 1358 extern PetscErrorCode PetscObjectGetTabLevel(PetscObject,PetscInt*); 1359 extern PetscErrorCode PetscObjectIncrementTabLevel(PetscObject,PetscObject,PetscInt); 1360 extern PetscErrorCode PetscObjectReference(PetscObject); 1361 extern PetscErrorCode PetscObjectGetReference(PetscObject,PetscInt*); 1362 extern PetscErrorCode PetscObjectDereference(PetscObject); 1363 extern PetscErrorCode PetscObjectGetNewTag(PetscObject,PetscMPIInt *); 1364 extern PetscErrorCode PetscObjectView(PetscObject,PetscViewer); 1365 extern PetscErrorCode PetscObjectCompose(PetscObject,const char[],PetscObject); 1366 extern PetscErrorCode PetscObjectQuery(PetscObject,const char[],PetscObject *); 1367 extern PetscErrorCode PetscObjectComposeFunction(PetscObject,const char[],const char[],void (*)(void)); 1368 extern PetscErrorCode PetscObjectSetFromOptions(PetscObject); 1369 extern PetscErrorCode PetscObjectSetUp(PetscObject); 1370 extern PetscErrorCode PetscCommGetNewTag(MPI_Comm,PetscMPIInt *); 1371 extern PetscErrorCode PetscObjectAddOptionsHandler(PetscObject,PetscErrorCode (*)(PetscObject,void*),PetscErrorCode (*)(PetscObject,void*),void*); 1372 extern PetscErrorCode PetscObjectProcessOptionsHandlers(PetscObject); 1373 extern PetscErrorCode PetscObjectDestroyOptionsHandlers(PetscObject); 1374 1375 /*MC 1376 PetscObjectComposeFunctionDynamic - Associates a function with a given PETSc object. 1377 1378 Synopsis: 1379 PetscErrorCode PetscObjectComposeFunctionDynamic(PetscObject obj,const char name[],const char fname[],void *ptr) 1380 1381 Logically Collective on PetscObject 1382 1383 Input Parameters: 1384 + obj - the PETSc object; this must be cast with a (PetscObject), for example, 1385 PetscObjectCompose((PetscObject)mat,...); 1386 . name - name associated with the child function 1387 . fname - name of the function 1388 - ptr - function pointer (or PETSC_NULL if using dynamic libraries) 1389 1390 Level: advanced 1391 1392 1393 Notes: 1394 To remove a registered routine, pass in a PETSC_NULL rname and fnc(). 1395 1396 PetscObjectComposeFunctionDynamic() can be used with any PETSc object (such as 1397 Mat, Vec, KSP, SNES, etc.) or any user-provided object. 1398 1399 The composed function must be wrapped in a EXTERN_C_BEGIN/END for this to 1400 work in C++/complex with dynamic link libraries (./configure options --with-shared-libraries --with-dynamic-loading) 1401 enabled. 1402 1403 Concepts: objects^composing functions 1404 Concepts: composing functions 1405 Concepts: functions^querying 1406 Concepts: objects^querying 1407 Concepts: querying objects 1408 1409 .seealso: PetscObjectQueryFunction() 1410 M*/ 1411 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 1412 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,0) 1413 #else 1414 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,(PetscVoidFunction)(d)) 1415 #endif 1416 1417 extern PetscErrorCode PetscObjectQueryFunction(PetscObject,const char[],void (**)(void)); 1418 extern PetscErrorCode PetscObjectSetOptionsPrefix(PetscObject,const char[]); 1419 extern PetscErrorCode PetscObjectAppendOptionsPrefix(PetscObject,const char[]); 1420 extern PetscErrorCode PetscObjectPrependOptionsPrefix(PetscObject,const char[]); 1421 extern PetscErrorCode PetscObjectGetOptionsPrefix(PetscObject,const char*[]); 1422 extern PetscErrorCode PetscObjectAMSPublish(PetscObject); 1423 extern PetscErrorCode PetscObjectUnPublish(PetscObject); 1424 extern PetscErrorCode PetscObjectChangeTypeName(PetscObject,const char[]); 1425 extern PetscErrorCode PetscObjectRegisterDestroy(PetscObject); 1426 extern PetscErrorCode PetscObjectRegisterDestroyAll(void); 1427 extern PetscErrorCode PetscObjectName(PetscObject); 1428 extern PetscErrorCode PetscTypeCompare(PetscObject,const char[],PetscBool *); 1429 extern PetscErrorCode PetscRegisterFinalize(PetscErrorCode (*)(void)); 1430 extern PetscErrorCode PetscRegisterFinalizeAll(void); 1431 1432 /* 1433 Defines PETSc error handling. 1434 */ 1435 #include "petscerror.h" 1436 1437 /*S 1438 PetscOList - Linked list of PETSc objects, each accessable by string name 1439 1440 Level: developer 1441 1442 Notes: Used by PetscObjectCompose() and PetscObjectQuery() 1443 1444 .seealso: PetscOListAdd(), PetscOListDestroy(), PetscOListFind(), PetscObjectCompose(), PetscObjectQuery() 1445 S*/ 1446 typedef struct _n_PetscOList *PetscOList; 1447 1448 extern PetscErrorCode PetscOListDestroy(PetscOList*); 1449 extern PetscErrorCode PetscOListFind(PetscOList,const char[],PetscObject*); 1450 extern PetscErrorCode PetscOListReverseFind(PetscOList,PetscObject,char**); 1451 extern PetscErrorCode PetscOListAdd(PetscOList *,const char[],PetscObject); 1452 extern PetscErrorCode PetscOListDuplicate(PetscOList,PetscOList *); 1453 1454 /* 1455 Dynamic library lists. Lists of names of routines in objects or in dynamic 1456 link libraries that will be loaded as needed. 1457 */ 1458 extern PetscErrorCode PetscFListAdd(PetscFList*,const char[],const char[],void (*)(void)); 1459 extern PetscErrorCode PetscFListDestroy(PetscFList*); 1460 extern PetscErrorCode PetscFListFind(PetscFList,MPI_Comm,const char[],PetscBool,void (**)(void)); 1461 extern PetscErrorCode PetscFListPrintTypes(MPI_Comm,FILE*,const char[],const char[],const char[],const char[],PetscFList,const char[]); 1462 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 1463 #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,0) 1464 #else 1465 #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,(void (*)(void))c) 1466 #endif 1467 extern PetscErrorCode PetscFListDuplicate(PetscFList,PetscFList *); 1468 extern PetscErrorCode PetscFListView(PetscFList,PetscViewer); 1469 extern PetscErrorCode PetscFListConcat(const char [],const char [],char []); 1470 extern PetscErrorCode PetscFListGet(PetscFList,char ***,int*); 1471 1472 /*S 1473 PetscDLLibrary - Linked list of dynamics libraries to search for functions 1474 1475 Level: advanced 1476 1477 --with-shared-libraries --with-dynamic-loading must be used with ./configure to use dynamic libraries 1478 1479 .seealso: PetscDLLibraryOpen() 1480 S*/ 1481 typedef struct _n_PetscDLLibrary *PetscDLLibrary; 1482 extern PetscDLLibrary DLLibrariesLoaded; 1483 extern PetscErrorCode PetscDLLibraryAppend(MPI_Comm,PetscDLLibrary *,const char[]); 1484 extern PetscErrorCode PetscDLLibraryPrepend(MPI_Comm,PetscDLLibrary *,const char[]); 1485 extern PetscErrorCode PetscDLLibrarySym(MPI_Comm,PetscDLLibrary *,const char[],const char[],void **); 1486 extern PetscErrorCode PetscDLLibraryPrintPath(PetscDLLibrary); 1487 extern PetscErrorCode PetscDLLibraryRetrieve(MPI_Comm,const char[],char *,size_t,PetscBool *); 1488 extern PetscErrorCode PetscDLLibraryOpen(MPI_Comm,const char[],PetscDLLibrary *); 1489 extern PetscErrorCode PetscDLLibraryClose(PetscDLLibrary); 1490 extern PetscErrorCode PetscDLLibraryCCAAppend(MPI_Comm,PetscDLLibrary *,const char[]); 1491 1492 /* 1493 PetscFwk support. Needs to be documented. 1494 Logically it is an extension of PetscDLLXXX, PetscObjectCompose, etc. 1495 */ 1496 #include "petscfwk.h" 1497 1498 /* 1499 Useful utility routines 1500 */ 1501 extern PetscErrorCode PetscSplitOwnership(MPI_Comm,PetscInt*,PetscInt*); 1502 extern PetscErrorCode PetscSplitOwnershipBlock(MPI_Comm,PetscInt,PetscInt*,PetscInt*); 1503 extern PetscErrorCode PetscSequentialPhaseBegin(MPI_Comm,PetscMPIInt); 1504 PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(MPI_Comm comm),(comm,1)) 1505 PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(void),(PETSC_COMM_WORLD,1)) 1506 extern PetscErrorCode PetscSequentialPhaseEnd(MPI_Comm,PetscMPIInt); 1507 PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(MPI_Comm comm),(comm,1)) 1508 PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(void),(PETSC_COMM_WORLD,1)) 1509 extern PetscErrorCode PetscBarrier(PetscObject); 1510 extern PetscErrorCode PetscMPIDump(FILE*); 1511 1512 /* 1513 PetscNot - negates a logical type value and returns result as a PetscBool 1514 1515 Notes: This is useful in cases like 1516 $ int *a; 1517 $ PetscBool flag = PetscNot(a) 1518 where !a does not return a PetscBool because we cannot provide a cast from int to PetscBool in C. 1519 */ 1520 #define PetscNot(a) ((a) ? PETSC_FALSE : PETSC_TRUE) 1521 1522 /* 1523 Defines basic graphics available from PETSc. 1524 */ 1525 #include "petscdraw.h" 1526 1527 /* 1528 Defines the base data structures for all PETSc objects 1529 */ 1530 #include "private/petscimpl.h" 1531 1532 1533 /*MC 1534 PetscErrorPrintf - Prints error messages. 1535 1536 Synopsis: 1537 PetscErrorCode (*PetscErrorPrintf)(const char format[],...); 1538 1539 Not Collective 1540 1541 Input Parameters: 1542 . format - the usual printf() format string 1543 1544 Options Database Keys: 1545 + -error_output_stdout - cause error messages to be printed to stdout instead of the 1546 (default) stderr 1547 - -error_output_none to turn off all printing of error messages (does not change the way the 1548 error is handled.) 1549 1550 Notes: Use 1551 $ PetscErrorPrintf = PetscErrorPrintfNone; to turn off all printing of error messages (does not change the way the 1552 $ error is handled.) and 1553 $ PetscErrorPrintf = PetscErrorPrintfDefault; to turn it back on 1554 $ of you can use your own function 1555 1556 Use 1557 PETSC_STDERR = FILE* obtained from a file open etc. to have stderr printed to the file. 1558 PETSC_STDOUT = FILE* obtained from a file open etc. to have stdout printed to the file. 1559 1560 Use 1561 PetscPushErrorHandler() to provide your own error handler that determines what kind of messages to print 1562 1563 Level: developer 1564 1565 Fortran Note: 1566 This routine is not supported in Fortran. 1567 1568 Concepts: error messages^printing 1569 Concepts: printing^error messages 1570 1571 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscHelpPrintf(), PetscPrintf(), PetscErrorHandlerPush(), PetscVFPrintf(), PetscHelpPrintf() 1572 M*/ 1573 extern PetscErrorCode (*PetscErrorPrintf)(const char[],...); 1574 1575 /*MC 1576 PetscHelpPrintf - Prints help messages. 1577 1578 Synopsis: 1579 PetscErrorCode (*PetscHelpPrintf)(const char format[],...); 1580 1581 Not Collective 1582 1583 Input Parameters: 1584 . format - the usual printf() format string 1585 1586 Level: developer 1587 1588 Fortran Note: 1589 This routine is not supported in Fortran. 1590 1591 Concepts: help messages^printing 1592 Concepts: printing^help messages 1593 1594 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscErrorPrintf() 1595 M*/ 1596 extern PetscErrorCode (*PetscHelpPrintf)(MPI_Comm,const char[],...); 1597 1598 /* 1599 Defines PETSc profiling. 1600 */ 1601 #include "petsclog.h" 1602 1603 /* 1604 For locking, unlocking and destroying AMS memories associated with PETSc objects. ams.h is included in petscviewer.h 1605 */ 1606 #if defined(PETSC_HAVE_AMS) 1607 extern PetscBool PetscAMSPublishAll; 1608 #define PetscObjectTakeAccess(obj) ((((PetscObject)(obj))->amem == -1) ? 0 : AMS_Memory_take_access(((PetscObject)(obj))->amem)) 1609 #define PetscObjectGrantAccess(obj) ((((PetscObject)(obj))->amem == -1) ? 0 : AMS_Memory_grant_access(((PetscObject)(obj))->amem)) 1610 #define PetscObjectDepublish(obj) ((((PetscObject)(obj))->amem == -1) ? 0 : AMS_Memory_destroy(((PetscObject)(obj))->amem));((PetscObject)(obj))->amem = -1; 1611 #else 1612 #define PetscObjectTakeAccess(obj) 0 1613 #define PetscObjectGrantAccess(obj) 0 1614 #define PetscObjectDepublish(obj) 0 1615 #endif 1616 1617 /* 1618 Simple PETSc parallel IO for ASCII printing 1619 */ 1620 extern PetscErrorCode PetscFixFilename(const char[],char[]); 1621 extern PetscErrorCode PetscFOpen(MPI_Comm,const char[],const char[],FILE**); 1622 extern PetscErrorCode PetscFClose(MPI_Comm,FILE*); 1623 extern PetscErrorCode PetscFPrintf(MPI_Comm,FILE*,const char[],...); 1624 extern PetscErrorCode PetscPrintf(MPI_Comm,const char[],...); 1625 extern PetscErrorCode PetscSNPrintf(char*,size_t,const char [],...); 1626 1627 1628 1629 /* These are used internally by PETSc ASCII IO routines*/ 1630 #include <stdarg.h> 1631 extern PetscErrorCode PetscVSNPrintf(char*,size_t,const char[],size_t*,va_list); 1632 extern PetscErrorCode (*PetscVFPrintf)(FILE*,const char[],va_list); 1633 extern PetscErrorCode PetscVFPrintfDefault(FILE*,const char[],va_list); 1634 1635 #if defined(PETSC_HAVE_MATLAB_ENGINE) 1636 extern PetscErrorCode PetscVFPrintf_Matlab(FILE*,const char[],va_list); 1637 #endif 1638 1639 extern PetscErrorCode PetscErrorPrintfDefault(const char [],...); 1640 extern PetscErrorCode PetscErrorPrintfNone(const char [],...); 1641 extern PetscErrorCode PetscHelpPrintfDefault(MPI_Comm,const char [],...); 1642 1643 #if defined(PETSC_HAVE_POPEN) 1644 extern PetscErrorCode PetscPOpen(MPI_Comm,const char[],const char[],const char[],FILE **); 1645 extern PetscErrorCode PetscPClose(MPI_Comm,FILE*); 1646 #endif 1647 1648 extern PetscErrorCode PetscSynchronizedPrintf(MPI_Comm,const char[],...); 1649 extern PetscErrorCode PetscSynchronizedFPrintf(MPI_Comm,FILE*,const char[],...); 1650 extern PetscErrorCode PetscSynchronizedFlush(MPI_Comm); 1651 extern PetscErrorCode PetscSynchronizedFGets(MPI_Comm,FILE*,size_t,char[]); 1652 extern PetscErrorCode PetscStartMatlab(MPI_Comm,const char[],const char[],FILE**); 1653 extern PetscErrorCode PetscStartJava(MPI_Comm,const char[],const char[],FILE**); 1654 extern PetscErrorCode PetscGetPetscDir(const char*[]); 1655 1656 extern PetscErrorCode PetscPopUpSelect(MPI_Comm,const char*,const char*,int,const char**,int*); 1657 1658 /*S 1659 PetscContainer - Simple PETSc object that contains a pointer to any required data 1660 1661 Level: advanced 1662 1663 .seealso: PetscObject, PetscContainerCreate() 1664 S*/ 1665 extern PetscClassId PETSC_CONTAINER_CLASSID; 1666 typedef struct _p_PetscContainer* PetscContainer; 1667 extern PetscErrorCode PetscContainerGetPointer(PetscContainer,void **); 1668 extern PetscErrorCode PetscContainerSetPointer(PetscContainer,void *); 1669 extern PetscErrorCode PetscContainerDestroy(PetscContainer*); 1670 extern PetscErrorCode PetscContainerCreate(MPI_Comm,PetscContainer *); 1671 extern PetscErrorCode PetscContainerSetUserDestroy(PetscContainer, PetscErrorCode (*)(void*)); 1672 1673 /* 1674 For use in debuggers 1675 */ 1676 extern PetscMPIInt PetscGlobalRank; 1677 extern PetscMPIInt PetscGlobalSize; 1678 extern PetscErrorCode PetscIntView(PetscInt,const PetscInt[],PetscViewer); 1679 extern PetscErrorCode PetscRealView(PetscInt,const PetscReal[],PetscViewer); 1680 extern PetscErrorCode PetscScalarView(PetscInt,const PetscScalar[],PetscViewer); 1681 1682 #if defined(PETSC_HAVE_MEMORY_H) 1683 #include <memory.h> 1684 #endif 1685 #if defined(PETSC_HAVE_STDLIB_H) 1686 #include <stdlib.h> 1687 #endif 1688 #if defined(PETSC_HAVE_STRINGS_H) 1689 #include <strings.h> 1690 #endif 1691 #if defined(PETSC_HAVE_STRING_H) 1692 #include <string.h> 1693 #endif 1694 1695 1696 #if defined(PETSC_HAVE_XMMINTRIN_H) 1697 #include <xmmintrin.h> 1698 #endif 1699 #if defined(PETSC_HAVE_STDINT_H) 1700 #include <stdint.h> 1701 #endif 1702 1703 #undef __FUNCT__ 1704 #define __FUNCT__ "PetscMemcpy" 1705 /*@C 1706 PetscMemcpy - Copies n bytes, beginning at location b, to the space 1707 beginning at location a. The two memory regions CANNOT overlap, use 1708 PetscMemmove() in that case. 1709 1710 Not Collective 1711 1712 Input Parameters: 1713 + b - pointer to initial memory space 1714 - n - length (in bytes) of space to copy 1715 1716 Output Parameter: 1717 . a - pointer to copy space 1718 1719 Level: intermediate 1720 1721 Compile Option: 1722 PETSC_PREFER_DCOPY_FOR_MEMCPY will cause the BLAS dcopy() routine to be used 1723 for memory copies on double precision values. 1724 PETSC_PREFER_COPY_FOR_MEMCPY will cause C code to be used 1725 for memory copies on double precision values. 1726 PETSC_PREFER_FORTRAN_FORMEMCPY will cause Fortran code to be used 1727 for memory copies on double precision values. 1728 1729 Note: 1730 This routine is analogous to memcpy(). 1731 1732 Developer Note: this is inlined for fastest performance 1733 1734 Concepts: memory^copying 1735 Concepts: copying^memory 1736 1737 .seealso: PetscMemmove() 1738 1739 @*/ 1740 PETSC_STATIC_INLINE PetscErrorCode PetscMemcpy(void *a,const void *b,size_t n) 1741 { 1742 #if defined(PETSC_USE_DEBUG) 1743 unsigned long al = (unsigned long) a,bl = (unsigned long) b; 1744 unsigned long nl = (unsigned long) n; 1745 PetscFunctionBegin; 1746 if (n > 0 && !b) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy from a null pointer"); 1747 if (n > 0 && !a) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to copy to a null pointer"); 1748 #else 1749 PetscFunctionBegin; 1750 #endif 1751 if (a != b) { 1752 #if defined(PETSC_USE_DEBUG) 1753 if ((al > bl && (al - bl) < nl) || (bl - al) < nl) { 1754 SETERRQ3(PETSC_COMM_SELF,PETSC_ERR_ARG_INCOMP,"Memory regions overlap: either use PetscMemmov()\n\ 1755 or make sure your copy regions and lengths are correct. \n\ 1756 Length (bytes) %ld first address %ld second address %ld",nl,al,bl); 1757 } 1758 #endif 1759 #if (defined(PETSC_PREFER_DCOPY_FOR_MEMCPY) || defined(PETSC_PREFER_COPY_FOR_MEMCPY) || defined(PETSC_PREFER_FORTRAN_FORMEMCPY)) 1760 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1761 size_t len = n/sizeof(PetscScalar); 1762 #if defined(PETSC_PREFER_DCOPY_FOR_MEMCPY) 1763 PetscBLASInt one = 1,blen = PetscBLASIntCast(len); 1764 BLAScopy_(&blen,(PetscScalar *)b,&one,(PetscScalar *)a,&one); 1765 #elif defined(PETSC_PREFER_FORTRAN_FORMEMCPY) 1766 fortrancopy_(&len,(PetscScalar*)b,(PetscScalar*)a); 1767 #else 1768 size_t i; 1769 PetscScalar *x = (PetscScalar*)b, *y = (PetscScalar*)a; 1770 for (i=0; i<len; i++) y[i] = x[i]; 1771 #endif 1772 } else { 1773 memcpy((char*)(a),(char*)(b),n); 1774 } 1775 #else 1776 memcpy((char*)(a),(char*)(b),n); 1777 #endif 1778 } 1779 PetscFunctionReturn(0); 1780 } 1781 1782 /*@C 1783 PetscMemzero - Zeros the specified memory. 1784 1785 Not Collective 1786 1787 Input Parameters: 1788 + a - pointer to beginning memory location 1789 - n - length (in bytes) of memory to initialize 1790 1791 Level: intermediate 1792 1793 Compile Option: 1794 PETSC_PREFER_BZERO - on certain machines (the IBM RS6000) the bzero() routine happens 1795 to be faster than the memset() routine. This flag causes the bzero() routine to be used. 1796 1797 Developer Note: this is inlined for fastest performance 1798 1799 Concepts: memory^zeroing 1800 Concepts: zeroing^memory 1801 1802 .seealso: PetscMemcpy() 1803 @*/ 1804 PETSC_STATIC_INLINE PetscErrorCode PetscMemzero(void *a,size_t n) 1805 { 1806 if (n > 0) { 1807 #if defined(PETSC_USE_DEBUG) 1808 if (!a) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Trying to zero at a null pointer"); 1809 #endif 1810 #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO) 1811 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1812 size_t i,len = n/sizeof(PetscScalar); 1813 PetscScalar *x = (PetscScalar*)a; 1814 for (i=0; i<len; i++) x[i] = 0.0; 1815 } else { 1816 #elif defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO) 1817 if (!(((long) a) % sizeof(PetscScalar)) && !(n % sizeof(PetscScalar))) { 1818 PetscInt len = n/sizeof(PetscScalar); 1819 fortranzero_(&len,(PetscScalar*)a); 1820 } else { 1821 #endif 1822 #if defined(PETSC_PREFER_BZERO) 1823 bzero((char *)a,n); 1824 #else 1825 memset((char*)a,0,n); 1826 #endif 1827 #if defined(PETSC_PREFER_ZERO_FOR_MEMZERO) || defined(PETSC_PREFER_FORTRAN_FOR_MEMZERO) 1828 } 1829 #endif 1830 } 1831 return 0; 1832 } 1833 1834 /*MC 1835 PetscPrefetchBlock - Prefetches a block of memory 1836 1837 Synopsis: 1838 void PetscPrefetchBlock(const anytype *a,size_t n,int rw,int t) 1839 1840 Not Collective 1841 1842 Input Parameters: 1843 + a - pointer to first element to fetch (any type but usually PetscInt or PetscScalar) 1844 . n - number of elements to fetch 1845 . rw - 1 if the memory will be written to, otherwise 0 (ignored by many processors) 1846 - t - temporal locality (PETSC_PREFETCH_HINT_{NTA,T0,T1,T2}), see note 1847 1848 Level: developer 1849 1850 Notes: 1851 The last two arguments (rw and t) must be compile-time constants. 1852 1853 Adopting Intel's x86/x86-64 conventions, there are four levels of temporal locality. Not all architectures offer 1854 equivalent locality hints, but the following macros are always defined to their closest analogue. 1855 + PETSC_PREFETCH_HINT_NTA - Non-temporal. Prefetches directly to L1, evicts to memory (skips higher level cache unless it was already there when prefetched). 1856 . 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. 1857 . PETSC_PREFETCH_HINT_T1 - Fetch to level 2 and higher (not L1). 1858 - PETSC_PREFETCH_HINT_T2 - Fetch to high-level cache only. (On many systems, T0 and T1 are equivalent.) 1859 1860 This function does nothing on architectures that do not support prefetch and never errors (even if passed an invalid 1861 address). 1862 1863 Concepts: memory 1864 M*/ 1865 #define PetscPrefetchBlock(a,n,rw,t) do { \ 1866 const char *_p = (const char*)(a),*_end = (const char*)((a)+(n)); \ 1867 for ( ; _p < _end; _p += PETSC_LEVEL1_DCACHE_LINESIZE) PETSC_Prefetch(_p,(rw),(t)); \ 1868 } while (0) 1869 1870 /* 1871 Allows accessing MATLAB Engine 1872 */ 1873 #include "petscmatlab.h" 1874 1875 /* 1876 Determine if some of the kernel computation routines use 1877 Fortran (rather than C) for the numerical calculations. On some machines 1878 and compilers (like complex numbers) the Fortran version of the routines 1879 is faster than the C/C++ versions. The flag --with-fortran-kernels 1880 should be used with ./configure to turn these on. 1881 */ 1882 #if defined(PETSC_USE_FORTRAN_KERNELS) 1883 1884 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTCRL) 1885 #define PETSC_USE_FORTRAN_KERNEL_MULTCRL 1886 #endif 1887 1888 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJPERM) 1889 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJPERM 1890 #endif 1891 1892 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJ) 1893 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJ 1894 #endif 1895 1896 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ) 1897 #define PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ 1898 #endif 1899 1900 #if !defined(PETSC_USE_FORTRAN_KERNEL_NORM) 1901 #define PETSC_USE_FORTRAN_KERNEL_NORM 1902 #endif 1903 1904 #if !defined(PETSC_USE_FORTRAN_KERNEL_MAXPY) 1905 #define PETSC_USE_FORTRAN_KERNEL_MAXPY 1906 #endif 1907 1908 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ) 1909 #define PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ 1910 #endif 1911 1912 #if !defined(PETSC_USE_FORTRAN_KERNEL_RELAXAIJ) 1913 #define PETSC_USE_FORTRAN_KERNEL_RELAXAIJ 1914 #endif 1915 1916 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ) 1917 #define PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ 1918 #endif 1919 1920 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ) 1921 #define PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ 1922 #endif 1923 1924 #if !defined(PETSC_USE_FORTRAN_KERNEL_MDOT) 1925 #define PETSC_USE_FORTRAN_KERNEL_MDOT 1926 #endif 1927 1928 #if !defined(PETSC_USE_FORTRAN_KERNEL_XTIMESY) 1929 #define PETSC_USE_FORTRAN_KERNEL_XTIMESY 1930 #endif 1931 1932 #if !defined(PETSC_USE_FORTRAN_KERNEL_AYPX) 1933 #define PETSC_USE_FORTRAN_KERNEL_AYPX 1934 #endif 1935 1936 #if !defined(PETSC_USE_FORTRAN_KERNEL_WAXPY) 1937 #define PETSC_USE_FORTRAN_KERNEL_WAXPY 1938 #endif 1939 1940 #endif 1941 1942 /* 1943 Macros for indicating code that should be compiled with a C interface, 1944 rather than a C++ interface. Any routines that are dynamically loaded 1945 (such as the PCCreate_XXX() routines) must be wrapped so that the name 1946 mangler does not change the functions symbol name. This just hides the 1947 ugly extern "C" {} wrappers. 1948 */ 1949 #if defined(__cplusplus) 1950 #define EXTERN_C_BEGIN extern "C" { 1951 #define EXTERN_C_END } 1952 #else 1953 #define EXTERN_C_BEGIN 1954 #define EXTERN_C_END 1955 #endif 1956 1957 /* --------------------------------------------------------------------*/ 1958 1959 /*MC 1960 MPI_Comm - the basic object used by MPI to determine which processes are involved in a 1961 communication 1962 1963 Level: beginner 1964 1965 Note: This manual page is a place-holder because MPICH does not have a manual page for MPI_Comm 1966 1967 .seealso: PETSC_COMM_WORLD, PETSC_COMM_SELF 1968 M*/ 1969 1970 /*MC 1971 PetscScalar - PETSc type that represents either a double precision real number, a double precision 1972 complex number, a single precision real number, a long double or an int - if the code is configured 1973 with --with-scalar-type=real,complex --with-precision=single,double,longdouble,int,matsingle 1974 1975 1976 Level: beginner 1977 1978 .seealso: PetscReal, PassiveReal, PassiveScalar, MPIU_SCALAR, PetscInt 1979 M*/ 1980 1981 /*MC 1982 PetscReal - PETSc type that represents a real number version of PetscScalar 1983 1984 Level: beginner 1985 1986 .seealso: PetscScalar, PassiveReal, PassiveScalar 1987 M*/ 1988 1989 /*MC 1990 PassiveScalar - PETSc type that represents a PetscScalar 1991 Level: beginner 1992 1993 This is the same as a PetscScalar except in code that is automatically differentiated it is 1994 treated as a constant (not an indendent or dependent variable) 1995 1996 .seealso: PetscReal, PassiveReal, PetscScalar 1997 M*/ 1998 1999 /*MC 2000 PassiveReal - PETSc type that represents a PetscReal 2001 2002 Level: beginner 2003 2004 This is the same as a PetscReal except in code that is automatically differentiated it is 2005 treated as a constant (not an indendent or dependent variable) 2006 2007 .seealso: PetscScalar, PetscReal, PassiveScalar 2008 M*/ 2009 2010 /*MC 2011 MPIU_SCALAR - MPI datatype corresponding to PetscScalar 2012 2013 Level: beginner 2014 2015 Note: In MPI calls that require an MPI datatype that matches a PetscScalar or array of PetscScalars 2016 pass this value 2017 2018 .seealso: PetscReal, PassiveReal, PassiveScalar, PetscScalar, MPIU_INT 2019 M*/ 2020 2021 #if defined(PETSC_HAVE_MPIIO) 2022 #if !defined(PETSC_WORDS_BIGENDIAN) 2023 extern PetscErrorCode MPIU_File_write_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2024 extern PetscErrorCode MPIU_File_read_all(MPI_File,void*,PetscMPIInt,MPI_Datatype,MPI_Status*); 2025 #else 2026 #define MPIU_File_write_all(a,b,c,d,e) MPI_File_write_all(a,b,c,d,e) 2027 #define MPIU_File_read_all(a,b,c,d,e) MPI_File_read_all(a,b,c,d,e) 2028 #endif 2029 #endif 2030 2031 /* the following petsc_static_inline require petscerror.h */ 2032 2033 /* Limit MPI to 32-bits */ 2034 #define PETSC_MPI_INT_MAX 2147483647 2035 #define PETSC_MPI_INT_MIN -2147483647 2036 /* Limit BLAS to 32-bits */ 2037 #define PETSC_BLAS_INT_MAX 2147483647 2038 #define PETSC_BLAS_INT_MIN -2147483647 2039 /* On 32 bit systems HDF5 is limited by size of integer, because hsize_t is defined as size_t */ 2040 #define PETSC_HDF5_INT_MAX 2147483647 2041 #define PETSC_HDF5_INT_MIN -2147483647 2042 2043 #if defined(PETSC_USE_64BIT_INDICES) 2044 #define PetscMPIIntCheck(a) if ((a) > PETSC_MPI_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Message too long for MPI") 2045 #define PetscBLASIntCheck(a) if ((a) > PETSC_BLAS_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Array too long for BLAS/LAPACK") 2046 #define PetscMPIIntCast(a) (a);PetscMPIIntCheck(a) 2047 #define PetscBLASIntCast(a) (a);PetscBLASIntCheck(a) 2048 2049 #if (PETSC_SIZEOF_SIZE_T == 4) 2050 #define PetscHDF5IntCheck(a) if ((a) > PETSC_HDF5_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Array too long for HDF5") 2051 #define PetscHDF5IntCast(a) (a);PetscHDF5IntCheck(a) 2052 #else 2053 #define PetscHDF5IntCheck(a) 2054 #define PetscHDF5IntCast(a) a 2055 #endif 2056 2057 #else 2058 #define PetscMPIIntCheck(a) 2059 #define PetscBLASIntCheck(a) 2060 #define PetscHDF5IntCheck(a) 2061 #define PetscMPIIntCast(a) a 2062 #define PetscBLASIntCast(a) a 2063 #define PetscHDF5IntCast(a) a 2064 #endif 2065 2066 2067 /* 2068 The IBM include files define hz, here we hide it so that it may be used 2069 as a regular user variable. 2070 */ 2071 #if defined(hz) 2072 #undef hz 2073 #endif 2074 2075 /* For arrays that contain filenames or paths */ 2076 2077 2078 #if defined(PETSC_HAVE_LIMITS_H) 2079 #include <limits.h> 2080 #endif 2081 #if defined(PETSC_HAVE_SYS_PARAM_H) 2082 #include <sys/param.h> 2083 #endif 2084 #if defined(PETSC_HAVE_SYS_TYPES_H) 2085 #include <sys/types.h> 2086 #endif 2087 #if defined(MAXPATHLEN) 2088 # define PETSC_MAX_PATH_LEN MAXPATHLEN 2089 #elif defined(MAX_PATH) 2090 # define PETSC_MAX_PATH_LEN MAX_PATH 2091 #elif defined(_MAX_PATH) 2092 # define PETSC_MAX_PATH_LEN _MAX_PATH 2093 #else 2094 # define PETSC_MAX_PATH_LEN 4096 2095 #endif 2096 2097 /* Special support for C++ */ 2098 #include "petscsys.hh" 2099 2100 2101 /*MC 2102 2103 UsingFortran - Fortran can be used with PETSc in four distinct approaches 2104 2105 $ 1) classic Fortran 77 style 2106 $#include "finclude/petscXXX.h" to work with material from the XXX component of PETSc 2107 $ XXX variablename 2108 $ You cannot use this approach if you wish to use the Fortran 90 specific PETSc routines 2109 $ which end in F90; such as VecGetArrayF90() 2110 $ 2111 $ 2) classic Fortran 90 style 2112 $#include "finclude/petscXXX.h" 2113 $#include "finclude/petscXXX.h90" to work with material from the XXX component of PETSc 2114 $ XXX variablename 2115 $ 2116 $ 3) Using Fortran modules 2117 $#include "finclude/petscXXXdef.h" 2118 $ use petscXXXX 2119 $ XXX variablename 2120 $ 2121 $ 4) Use Fortran modules and Fortran data types for PETSc types 2122 $#include "finclude/petscXXXdef.h" 2123 $ use petscXXXX 2124 $ type(XXX) variablename 2125 $ To use this approach you must ./configure PETSc with the additional 2126 $ option --with-fortran-datatypes You cannot use the type(XXX) declaration approach without using Fortran modules 2127 2128 Finally if you absolutely do not want to use any #include you can use either 2129 2130 $ 3a) skip the #include BUT you cannot use any PETSc data type names like Vec, Mat, PetscInt, PetscErrorCode etc 2131 $ and you must declare the variables as integer, for example 2132 $ integer variablename 2133 $ 2134 $ 4a) skip the #include, you use the object types like type(Vec) type(Mat) but cannot use the data type 2135 $ names like PetscErrorCode, PetscInt etc. again for those you must use integer 2136 2137 We recommend either 2 or 3. Approaches 2 and 3 provide type checking for most PETSc function calls; 4 has type checking 2138 for only a few PETSc functions. 2139 2140 Fortran type checking with interfaces is strick, this means you cannot pass a scalar value when an array value 2141 is expected (even though it is legal Fortran). For example when setting a single value in a matrix with MatSetValues() 2142 you cannot have something like 2143 $ PetscInt row,col 2144 $ PetscScalar val 2145 $ ... 2146 $ call MatSetValues(mat,1,row,1,col,val,INSERT_VALUES,ierr) 2147 You must instead have 2148 $ PetscInt row(1),col(1) 2149 $ PetscScalar val(1) 2150 $ ... 2151 $ call MatSetValues(mat,1,row,1,col,val,INSERT_VALUES,ierr) 2152 2153 2154 See the example src/vec/vec/examples/tutorials/ex20f90.F90 for an example that can use all four approaches 2155 2156 Developer Notes: The finclude/petscXXXdef.h contain all the #defines (would be typedefs in C code) these 2157 automatically include their predecessors; for example finclude/petscvecdef.h includes finclude/petscisdef.h 2158 2159 The finclude/petscXXXX.h contain all the parameter statements for that package. These automatically include 2160 their finclude/petscXXXdef.h file but DO NOT automatically include their predecessors; for example 2161 finclude/petscvec.h does NOT automatically include finclude/petscis.h 2162 2163 The finclude/ftn-custom/petscXXXdef.h90 are not intended to be used directly in code, they define the 2164 Fortran data type type(XXX) (for example type(Vec)) when PETSc is ./configure with the --with-fortran-datatypes option. 2165 2166 The finclude/ftn-custom/petscXXX.h90 (not included directly by code) contain interface definitions for 2167 the PETSc Fortran stubs that have different bindings then their C version (for example VecGetArrayF90). 2168 2169 The finclude/ftn-auto/petscXXX.h90 (not included directly by code) contain interface definitions generated 2170 automatically by "make allfortranstubs". 2171 2172 The finclude/petscXXX.h90 includes the custom finclude/ftn-custom/petscXXX.h90 and if ./configure 2173 was run with --with-fortran-interfaces it also includes the finclude/ftn-auto/petscXXX.h90 These DO NOT automatically 2174 include their predecessors 2175 2176 Level: beginner 2177 2178 M*/ 2179 2180 extern PetscErrorCode PetscGetArchType(char[],size_t); 2181 extern PetscErrorCode PetscGetHostName(char[],size_t); 2182 extern PetscErrorCode PetscGetUserName(char[],size_t); 2183 extern PetscErrorCode PetscGetProgramName(char[],size_t); 2184 extern PetscErrorCode PetscSetProgramName(const char[]); 2185 extern PetscErrorCode PetscGetDate(char[],size_t); 2186 2187 extern PetscErrorCode PetscSortInt(PetscInt,PetscInt[]); 2188 extern PetscErrorCode PetscSortRemoveDupsInt(PetscInt*,PetscInt[]); 2189 extern PetscErrorCode PetscSortIntWithPermutation(PetscInt,const PetscInt[],PetscInt[]); 2190 extern PetscErrorCode PetscSortStrWithPermutation(PetscInt,const char*[],PetscInt[]); 2191 extern PetscErrorCode PetscSortIntWithArray(PetscInt,PetscInt[],PetscInt[]); 2192 extern PetscErrorCode PetscSortMPIIntWithArray(PetscMPIInt,PetscMPIInt[],PetscMPIInt[]); 2193 extern PetscErrorCode PetscSortIntWithScalarArray(PetscInt,PetscInt[],PetscScalar[]); 2194 extern PetscErrorCode PetscSortReal(PetscInt,PetscReal[]); 2195 extern PetscErrorCode PetscSortRealWithPermutation(PetscInt,const PetscReal[],PetscInt[]); 2196 extern PetscErrorCode PetscSortSplit(PetscInt,PetscInt,PetscScalar[],PetscInt[]); 2197 extern PetscErrorCode PetscSortSplitReal(PetscInt,PetscInt,PetscReal[],PetscInt[]); 2198 extern PetscErrorCode PetscProcessTree(PetscInt,const PetscBool [],const PetscInt[],PetscInt*,PetscInt**,PetscInt**,PetscInt**,PetscInt**); 2199 2200 extern PetscErrorCode PetscSetDisplay(void); 2201 extern PetscErrorCode PetscGetDisplay(char[],size_t); 2202 2203 /*E 2204 PetscRandomType - String with the name of a PETSc randomizer 2205 with an optional dynamic library name, for example 2206 http://www.mcs.anl.gov/petsc/lib.a:myrandcreate() 2207 2208 Level: beginner 2209 2210 Notes: to use the SPRNG you must have ./configure PETSc 2211 with the option --download-sprng 2212 2213 .seealso: PetscRandomSetType(), PetscRandom 2214 E*/ 2215 #define PetscRandomType char* 2216 #define PETSCRAND "rand" 2217 #define PETSCRAND48 "rand48" 2218 #define PETSCSPRNG "sprng" 2219 2220 /* Logging support */ 2221 extern PetscClassId PETSC_RANDOM_CLASSID; 2222 2223 extern PetscErrorCode PetscRandomInitializePackage(const char[]); 2224 2225 /*S 2226 PetscRandom - Abstract PETSc object that manages generating random numbers 2227 2228 Level: intermediate 2229 2230 Concepts: random numbers 2231 2232 .seealso: PetscRandomCreate(), PetscRandomGetValue(), PetscRandomType 2233 S*/ 2234 typedef struct _p_PetscRandom* PetscRandom; 2235 2236 /* Dynamic creation and loading functions */ 2237 extern PetscFList PetscRandomList; 2238 extern PetscBool PetscRandomRegisterAllCalled; 2239 2240 extern PetscErrorCode PetscRandomRegisterAll(const char []); 2241 extern PetscErrorCode PetscRandomRegister(const char[],const char[],const char[],PetscErrorCode (*)(PetscRandom)); 2242 extern PetscErrorCode PetscRandomRegisterDestroy(void); 2243 extern PetscErrorCode PetscRandomSetType(PetscRandom, const PetscRandomType); 2244 extern PetscErrorCode PetscRandomSetFromOptions(PetscRandom); 2245 extern PetscErrorCode PetscRandomGetType(PetscRandom, const PetscRandomType*); 2246 extern PetscErrorCode PetscRandomViewFromOptions(PetscRandom,char*); 2247 extern PetscErrorCode PetscRandomView(PetscRandom,PetscViewer); 2248 2249 /*MC 2250 PetscRandomRegisterDynamic - Adds a new PetscRandom component implementation 2251 2252 Synopsis: 2253 PetscErrorCode PetscRandomRegisterDynamic(const char *name, const char *path, const char *func_name, PetscErrorCode (*create_func)(PetscRandom)) 2254 2255 Not Collective 2256 2257 Input Parameters: 2258 + name - The name of a new user-defined creation routine 2259 . path - The path (either absolute or relative) of the library containing this routine 2260 . func_name - The name of routine to create method context 2261 - create_func - The creation routine itself 2262 2263 Notes: 2264 PetscRandomRegisterDynamic() may be called multiple times to add several user-defined randome number generators 2265 2266 If dynamic libraries are used, then the fourth input argument (routine_create) is ignored. 2267 2268 Sample usage: 2269 .vb 2270 PetscRandomRegisterDynamic("my_rand","/home/username/my_lib/lib/libO/solaris/libmy.a", "MyPetscRandomtorCreate", MyPetscRandomtorCreate); 2271 .ve 2272 2273 Then, your random type can be chosen with the procedural interface via 2274 .vb 2275 PetscRandomCreate(MPI_Comm, PetscRandom *); 2276 PetscRandomSetType(PetscRandom,"my_random_name"); 2277 .ve 2278 or at runtime via the option 2279 .vb 2280 -random_type my_random_name 2281 .ve 2282 2283 Notes: $PETSC_ARCH occuring in pathname will be replaced with appropriate values. 2284 2285 For an example of the code needed to interface your own random number generator see 2286 src/sys/random/impls/rand/rand.c 2287 2288 Level: advanced 2289 2290 .keywords: PetscRandom, register 2291 .seealso: PetscRandomRegisterAll(), PetscRandomRegisterDestroy(), PetscRandomRegister() 2292 M*/ 2293 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 2294 #define PetscRandomRegisterDynamic(a,b,c,d) PetscRandomRegister(a,b,c,0) 2295 #else 2296 #define PetscRandomRegisterDynamic(a,b,c,d) PetscRandomRegister(a,b,c,d) 2297 #endif 2298 2299 extern PetscErrorCode PetscRandomCreate(MPI_Comm,PetscRandom*); 2300 extern PetscErrorCode PetscRandomGetValue(PetscRandom,PetscScalar*); 2301 extern PetscErrorCode PetscRandomGetValueReal(PetscRandom,PetscReal*); 2302 extern PetscErrorCode PetscRandomGetInterval(PetscRandom,PetscScalar*,PetscScalar*); 2303 extern PetscErrorCode PetscRandomSetInterval(PetscRandom,PetscScalar,PetscScalar); 2304 extern PetscErrorCode PetscRandomSetSeed(PetscRandom,unsigned long); 2305 extern PetscErrorCode PetscRandomGetSeed(PetscRandom,unsigned long *); 2306 extern PetscErrorCode PetscRandomSeed(PetscRandom); 2307 extern PetscErrorCode PetscRandomDestroy(PetscRandom*); 2308 2309 extern PetscErrorCode PetscGetFullPath(const char[],char[],size_t); 2310 extern PetscErrorCode PetscGetRelativePath(const char[],char[],size_t); 2311 extern PetscErrorCode PetscGetWorkingDirectory(char[],size_t); 2312 extern PetscErrorCode PetscGetRealPath(const char[],char[]); 2313 extern PetscErrorCode PetscGetHomeDirectory(char[],size_t); 2314 extern PetscErrorCode PetscTestFile(const char[],char,PetscBool *); 2315 extern PetscErrorCode PetscTestDirectory(const char[],char,PetscBool *); 2316 2317 extern PetscErrorCode PetscBinaryRead(int,void*,PetscInt,PetscDataType); 2318 extern PetscErrorCode PetscBinarySynchronizedRead(MPI_Comm,int,void*,PetscInt,PetscDataType); 2319 extern PetscErrorCode PetscBinarySynchronizedWrite(MPI_Comm,int,void*,PetscInt,PetscDataType,PetscBool ); 2320 extern PetscErrorCode PetscBinaryWrite(int,void*,PetscInt,PetscDataType,PetscBool ); 2321 extern PetscErrorCode PetscBinaryOpen(const char[],PetscFileMode,int *); 2322 extern PetscErrorCode PetscBinaryClose(int); 2323 extern PetscErrorCode PetscSharedTmp(MPI_Comm,PetscBool *); 2324 extern PetscErrorCode PetscSharedWorkingDirectory(MPI_Comm,PetscBool *); 2325 extern PetscErrorCode PetscGetTmp(MPI_Comm,char[],size_t); 2326 extern PetscErrorCode PetscFileRetrieve(MPI_Comm,const char[],char[],size_t,PetscBool *); 2327 extern PetscErrorCode PetscLs(MPI_Comm,const char[],char[],size_t,PetscBool *); 2328 extern PetscErrorCode PetscOpenSocket(char*,int,int*); 2329 extern PetscErrorCode PetscWebServe(MPI_Comm,int); 2330 2331 /* 2332 In binary files variables are stored using the following lengths, 2333 regardless of how they are stored in memory on any one particular 2334 machine. Use these rather then sizeof() in computing sizes for 2335 PetscBinarySeek(). 2336 */ 2337 #define PETSC_BINARY_INT_SIZE (32/8) 2338 #define PETSC_BINARY_FLOAT_SIZE (32/8) 2339 #define PETSC_BINARY_CHAR_SIZE (8/8) 2340 #define PETSC_BINARY_SHORT_SIZE (16/8) 2341 #define PETSC_BINARY_DOUBLE_SIZE (64/8) 2342 #define PETSC_BINARY_SCALAR_SIZE sizeof(PetscScalar) 2343 2344 /*E 2345 PetscBinarySeekType - argument to PetscBinarySeek() 2346 2347 Level: advanced 2348 2349 .seealso: PetscBinarySeek(), PetscBinarySynchronizedSeek() 2350 E*/ 2351 typedef enum {PETSC_BINARY_SEEK_SET = 0,PETSC_BINARY_SEEK_CUR = 1,PETSC_BINARY_SEEK_END = 2} PetscBinarySeekType; 2352 extern PetscErrorCode PetscBinarySeek(int,off_t,PetscBinarySeekType,off_t*); 2353 extern PetscErrorCode PetscBinarySynchronizedSeek(MPI_Comm,int,off_t,PetscBinarySeekType,off_t*); 2354 2355 extern PetscErrorCode PetscSetDebugTerminal(const char[]); 2356 extern PetscErrorCode PetscSetDebugger(const char[],PetscBool ); 2357 extern PetscErrorCode PetscSetDefaultDebugger(void); 2358 extern PetscErrorCode PetscSetDebuggerFromString(char*); 2359 extern PetscErrorCode PetscAttachDebugger(void); 2360 extern PetscErrorCode PetscStopForDebugger(void); 2361 2362 extern PetscErrorCode PetscGatherNumberOfMessages(MPI_Comm,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt*); 2363 extern PetscErrorCode PetscGatherMessageLengths(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**); 2364 extern PetscErrorCode PetscGatherMessageLengths2(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscMPIInt**,PetscMPIInt**,PetscMPIInt**); 2365 extern PetscErrorCode PetscPostIrecvInt(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscInt***,MPI_Request**); 2366 extern PetscErrorCode PetscPostIrecvScalar(MPI_Comm,PetscMPIInt,PetscMPIInt,const PetscMPIInt[],const PetscMPIInt[],PetscScalar***,MPI_Request**); 2367 2368 extern PetscErrorCode PetscSSEIsEnabled(MPI_Comm,PetscBool *,PetscBool *); 2369 2370 /*E 2371 InsertMode - Whether entries are inserted or added into vectors or matrices 2372 2373 Level: beginner 2374 2375 .seealso: VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(), 2376 VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(), 2377 MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd() 2378 E*/ 2379 typedef enum {NOT_SET_VALUES, INSERT_VALUES, ADD_VALUES, MAX_VALUES} InsertMode; 2380 2381 /*MC 2382 INSERT_VALUES - Put a value into a vector or matrix, overwrites any previous value 2383 2384 Level: beginner 2385 2386 .seealso: InsertMode, VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(), 2387 VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(), ADD_VALUES, 2388 MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd(), MAX_VALUES 2389 2390 M*/ 2391 2392 /*MC 2393 ADD_VALUES - Adds a value into a vector or matrix, if there previously was no value, just puts the 2394 value into that location 2395 2396 Level: beginner 2397 2398 .seealso: InsertMode, VecSetValues(), MatSetValues(), VecSetValue(), VecSetValuesBlocked(), 2399 VecSetValuesLocal(), VecSetValuesBlockedLocal(), MatSetValuesBlocked(), INSERT_VALUES, 2400 MatSetValuesBlockedLocal(), MatSetValuesLocal(), VecScatterBegin(), VecScatterEnd(), MAX_VALUES 2401 2402 M*/ 2403 2404 /*MC 2405 MAX_VALUES - Puts the maximum of the scattered/gathered value and the current value into each location 2406 2407 Level: beginner 2408 2409 .seealso: InsertMode, VecScatterBegin(), VecScatterEnd(), ADD_VALUES, INSERT_VALUES 2410 2411 M*/ 2412 2413 /*S 2414 PetscSubcomm - Context of MPI subcommunicators, used by PCREDUNDANT 2415 2416 Level: advanced 2417 2418 Concepts: communicator, create 2419 S*/ 2420 typedef struct _n_PetscSubcomm* PetscSubcomm; 2421 2422 struct _n_PetscSubcomm { 2423 MPI_Comm parent; /* parent communicator */ 2424 MPI_Comm dupparent; /* duplicate parent communicator, under which the processors of this subcomm have contiguous rank */ 2425 MPI_Comm comm; /* this communicator */ 2426 PetscInt n; /* num of subcommunicators under the parent communicator */ 2427 PetscInt color; /* color of processors belong to this communicator */ 2428 }; 2429 2430 typedef enum {PETSC_SUBCOMM_GENERAL=0,PETSC_SUBCOMM_CONTIGUOUS=1,PETSC_SUBCOMM_INTERLACED=2} PetscSubcommType; 2431 extern const char *PetscSubcommTypes[]; 2432 2433 extern PetscErrorCode PetscSubcommCreate(MPI_Comm,PetscSubcomm*); 2434 extern PetscErrorCode PetscSubcommDestroy(PetscSubcomm*); 2435 extern PetscErrorCode PetscSubcommSetNumber(PetscSubcomm,PetscInt); 2436 extern PetscErrorCode PetscSubcommSetType(PetscSubcomm,const PetscSubcommType); 2437 extern PetscErrorCode PetscSubcommSetTypeGeneral(PetscSubcomm,PetscMPIInt,PetscMPIInt,PetscMPIInt); 2438 2439 PETSC_EXTERN_CXX_END 2440 2441 /* Reset __FUNCT__ in case the user does not define it themselves */ 2442 #undef __FUNCT__ 2443 #define __FUNCT__ "User provided function" 2444 2445 #endif 2446