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(__PETSC_H) 6 #define __PETSC_H 7 /* ========================================================================== */ 8 /* 9 petscconf.h is contained in bmake/${PETSC_ARCH}/petscconf.h it is 10 found automatically by the compiler due to the -I${PETSC_DIR}/bmake/${PETSC_ARCH} 11 in the bmake/common_variables definition of PETSC_INCLUDE 12 */ 13 #include "petscconf.h" 14 15 /* ========================================================================== */ 16 /* 17 This facilitates using C version of PETSc from C++ 18 */ 19 20 #if defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus) 21 #define PETSC_EXTERN_CXX_BEGIN extern "C" { 22 #define PETSC_EXTERN_CXX_END } 23 #else 24 #define PETSC_EXTERN_CXX_BEGIN 25 #define PETSC_EXTERN_CXX_END 26 #endif 27 /* ========================================================================== */ 28 /* 29 Current PETSc version number and release date 30 */ 31 #include "petscversion.h" 32 33 /* 34 Currently cannot check formatting for PETSc print statements because we have our 35 own format %D 36 */ 37 #undef PETSC_PRINTF_FORMAT_CHECK 38 #define PETSC_PRINTF_FORMAT_CHECK(a,b) 39 #undef PETSC_FPRINTF_FORMAT_CHECK 40 #define PETSC_FPRINTF_FORMAT_CHECK(a,b) 41 42 /* 43 Fixes for configure time choices which impact our interface. Currently only 44 calling conventions and extra compiler checking falls under this category. 45 */ 46 #if !defined(PETSC_STDCALL) 47 #define PETSC_STDCALL 48 #endif 49 #if !defined(PETSC_TEMPLATE) 50 #define PETSC_TEMPLATE 51 #endif 52 #if !defined(PETSC_HAVE_DLL_EXPORT) 53 #define PETSC_DLL_EXPORT 54 #define PETSC_DLL_IMPORT 55 #endif 56 #if !defined(PETSC_DLLEXPORT) 57 #define PETSC_DLLEXPORT 58 #endif 59 #if !defined(PETSCVEC_DLLEXPORT) 60 #define PETSCVEC_DLLEXPORT 61 #endif 62 #if !defined(PETSCMAT_DLLEXPORT) 63 #define PETSCMAT_DLLEXPORT 64 #endif 65 #if !defined(PETSCDM_DLLEXPORT) 66 #define PETSCDM_DLLEXPORT 67 #endif 68 #if !defined(PETSCKSP_DLLEXPORT) 69 #define PETSCKSP_DLLEXPORT 70 #endif 71 #if !defined(PETSCSNES_DLLEXPORT) 72 #define PETSCSNES_DLLEXPORT 73 #endif 74 #if !defined(PETSCTS_DLLEXPORT) 75 #define PETSCTS_DLLEXPORT 76 #endif 77 #if !defined(PETSCFORTRAN_DLLEXPORT) 78 #define PETSCFORTRAN_DLLEXPORT 79 #endif 80 /* ========================================================================== */ 81 82 /* 83 Defines the interface to MPI allowing the use of all MPI functions. 84 */ 85 #include "mpi.h" 86 /* 87 Yuck, we need to put stdio.h AFTER mpi.h for MPICH2 with C++ compiler 88 see the top of mpicxx.h 89 90 The MPI STANDARD HAS TO BE CHANGED to prevent this nonsense. 91 */ 92 #include <stdio.h> 93 94 /* 95 All PETSc C functions return this error code, it is the final argument of 96 all Fortran subroutines 97 */ 98 typedef int PetscErrorCode; 99 typedef int PetscCookie; 100 typedef int PetscEvent; 101 typedef int PetscBLASInt; 102 typedef int PetscMPIInt; 103 typedef enum { ENUM_DUMMY } PetscEnum; 104 #if defined(PETSC_USE_64BIT_INT) 105 typedef long long PetscInt; 106 #define MPIU_INT MPI_LONG_LONG_INT 107 #else 108 typedef int PetscInt; 109 #define MPIU_INT MPI_INT 110 #endif 111 112 #if !defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus) 113 /*MC 114 PetscPolymorphicSubroutine - allows defining a C++ polymorphic version of 115 a PETSc function that remove certain optional arguments for a simplier user interface 116 117 Not collective 118 119 Synopsis: 120 PetscPolymorphicSubroutine(Functionname,(arguments of C++ function),(arguments of C function)) 121 122 Level: developer 123 124 Example: 125 PetscPolymorphicSubroutine(VecNorm,(Vec x,PetscReal *r),(x,NORM_2,r)) generates the new routine 126 PetscErrorCode VecNorm(Vec x,PetscReal *r) = VecNorm(x,NORM_2,r) 127 128 .seealso: PetscPolymorphicFunction() 129 130 M*/ 131 #define PetscPolymorphicSubroutine(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {return A C;} 132 133 /*MC 134 PetscPolymorphicScalar - allows defining a C++ polymorphic version of 135 a PETSc function that replaces a PetscScalar * argument with a PetscScalar argument 136 137 Not collective 138 139 Synopsis: 140 PetscPolymorphicScalar(Functionname,(arguments of C++ function),(arguments of C function)) 141 142 Level: developer 143 144 Example: 145 PetscPolymorphicScalar(VecAXPY,(PetscScalar _t,Vec x,Vec y),(&_T,x,y)) generates the new routine 146 PetscErrorCode VecAXPY(PetscScalar _t,Vec x,Vec y) = {PetscScalar _T = _t; return VecAXPY(&_T,x,y);} 147 148 .seealso: PetscPolymorphicFunction(),PetscPolymorphicSubroutine() 149 150 M*/ 151 #define PetscPolymorphicScalar(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {PetscScalar _T = _t; return A C;} 152 153 /*MC 154 PetscPolymorphicFunction - allows defining a C++ polymorphic version of 155 a PETSc function that remove certain optional arguments for a simplier user interface 156 and returns the computed value (istead of an error code) 157 158 Not collective 159 160 Synopsis: 161 PetscPolymorphicFunction(Functionname,(arguments of C++ function),(arguments of C function),return type,return variable name) 162 163 Level: developer 164 165 Example: 166 PetscPolymorphicFunction(VecNorm,(Vec x,NormType t),(x,t,&r),PetscReal,r) generates the new routine 167 PetscReal VecNorm(Vec x,NormType t) = {PetscReal r; VecNorm(x,t,&r); return r;} 168 169 .seealso: PetscPolymorphicSubroutine() 170 171 M*/ 172 #define PetscPolymorphicFunction(A,B,C,D,E) PETSC_STATIC_INLINE D A B {D E; A C;return E;} 173 174 #else 175 #define PetscPolymorphicSubroutine(A,B,C) 176 #define PetscPolymorphicScalar(A,B,C) 177 #define PetscPolymorphicFunction(A,B,C,D,E) 178 #endif 179 180 /* 181 Extern indicates a PETSc function defined elsewhere 182 */ 183 #if !defined(EXTERN) 184 #define EXTERN extern 185 #endif 186 187 /* 188 Defines some elementary mathematics functions and constants. 189 */ 190 #include "petscmath.h" 191 192 /* 193 Declare extern C stuff after incuding external header files 194 */ 195 196 PETSC_EXTERN_CXX_BEGIN 197 198 /* 199 Basic PETSc constants 200 */ 201 202 /*E 203 PetscTruth - Logical variable. Actually an integer 204 205 Level: beginner 206 207 E*/ 208 typedef enum { PETSC_FALSE,PETSC_TRUE } PetscTruth; 209 extern const char *PetscTruths[]; 210 211 /*M 212 PETSC_FALSE - False value of PetscTruth 213 214 Level: beginner 215 216 Note: Zero integer 217 218 .seealso: PetscTruth 219 M*/ 220 221 /*M 222 PETSC_TRUE - True value of PetscTruth 223 224 Level: beginner 225 226 Note: Nonzero integer 227 228 .seealso: PetscTruth 229 M*/ 230 231 /*M 232 PETSC_YES - Alias for PETSC_TRUE 233 234 Level: beginner 235 236 Note: Zero integer 237 238 .seealso: PetscTruth 239 M*/ 240 #define PETSC_YES PETSC_TRUE 241 242 /*M 243 PETSC_NO - Alias for PETSC_FALSE 244 245 Level: beginner 246 247 Note: Nonzero integer 248 249 .seealso: PetscTruth 250 M*/ 251 #define PETSC_NO PETSC_FALSE 252 253 /*M 254 PETSC_NULL - standard way of passing in a null or array or pointer 255 256 Level: beginner 257 258 Notes: accepted by many PETSc functions to not set a parameter and instead use 259 some default 260 261 This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, 262 PETSC_NULL_DOUBLE_PRECISION etc 263 264 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE 265 266 M*/ 267 #define PETSC_NULL 0 268 269 /*M 270 PETSC_DECIDE - standard way of passing in integer or floating point parameter 271 where you wish PETSc to use the default. 272 273 Level: beginner 274 275 .seealso: PETSC_NULL, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE 276 277 M*/ 278 #define PETSC_DECIDE -1 279 280 /*M 281 PETSC_DEFAULT - standard way of passing in integer or floating point parameter 282 where you wish PETSc to use the default. 283 284 Level: beginner 285 286 .seealso: PETSC_DECIDE, PETSC_NULL, PETSC_IGNORE, PETSC_DETERMINE 287 288 M*/ 289 #define PETSC_DEFAULT -2 290 291 292 /*M 293 PETSC_IGNORE - same as PETSC_NULL, means PETSc will ignore this argument 294 295 Level: beginner 296 297 Notes: accepted by many PETSc functions to not set a parameter and instead use 298 some default 299 300 This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, 301 PETSC_NULL_DOUBLE_PRECISION etc 302 303 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_NULL, PETSC_DETERMINE 304 305 M*/ 306 #define PETSC_IGNORE PETSC_NULL 307 308 /*M 309 PETSC_DETERMINE - standard way of passing in integer or floating point parameter 310 where you wish PETSc to compute the required value. 311 312 Level: beginner 313 314 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_NULL, VecSetSizes() 315 316 M*/ 317 #define PETSC_DETERMINE PETSC_DECIDE 318 319 /*M 320 PETSC_COMM_WORLD - the equivalent of the MPI_COMM_WORLD communicator which represents 321 all the processs that PETSc knows about. 322 323 Level: beginner 324 325 Notes: By default PETSC_COMM_WORLD and MPI_COMM_WORLD are identical unless you wish to 326 run PETSc on ONLY a subset of MPI_COMM_WORLD. In that case create your new (smaller) 327 communicator, call it, say comm, and set PETSC_COMM_WORLD = comm BEFORE calling 328 PetscInitialize() 329 330 .seealso: PETSC_COMM_SELF 331 332 M*/ 333 extern MPI_Comm PETSC_COMM_WORLD; 334 335 /*M 336 PETSC_COMM_SELF - a duplicate of the MPI_COMM_SELF communicator which represents 337 the current process 338 339 Level: beginner 340 341 Notes: PETSC_COMM_SELF and MPI_COMM_SELF are equivalent. 342 343 .seealso: PETSC_COMM_WORLD 344 345 M*/ 346 #define PETSC_COMM_SELF MPI_COMM_SELF 347 348 extern PETSC_DLLEXPORT PetscTruth PetscInitializeCalled; 349 extern PETSC_DLLEXPORT PetscTruth PetscFinalizeCalled; 350 351 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetHelpVersionFunctions(PetscErrorCode (*)(MPI_Comm),PetscErrorCode (*)(MPI_Comm)); 352 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommDuplicate(MPI_Comm,MPI_Comm*,int*); 353 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommDestroy(MPI_Comm*); 354 355 /*MC 356 PetscMalloc - Allocates memory 357 358 Input Parameter: 359 . m - number of bytes to allocate 360 361 Output Parameter: 362 . result - memory allocated 363 364 Synopsis: 365 PetscErrorCode PetscMalloc(size_t m,void **result) 366 367 Level: beginner 368 369 Notes: Memory is always allocated at least double aligned 370 371 If you request memory of zero size it will allocate no space and assign the pointer to 0; PetscFree() will 372 properly handle not freeing the null pointer. 373 374 .seealso: PetscFree(), PetscNew() 375 376 Concepts: memory allocation 377 378 M*/ 379 #define PetscMalloc(a,b) ((a != 0) ? (*PetscTrMalloc)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__,(void**)(b)) : (*(b) = 0,0) ) 380 381 /*MC 382 PetscMalloc2 - Allocates 2 chunks of memory 383 384 Input Parameter: 385 + m1 - number of elements to allocate in 1st chunk (may be zero) 386 . t1 - type of first memory elements 387 . m2 - number of elements to allocate in 2nd chunk (may be zero) 388 - t2 - type of second memory elements 389 390 Output Parameter: 391 + r1 - memory allocated in first chunk 392 - r2 - memory allocated in second chunk 393 394 Synopsis: 395 PetscErrorCode PetscMalloc2(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2) 396 397 Level: developer 398 399 Notes: Memory of first chunk is always allocated at least double aligned 400 401 .seealso: PetscFree(), PetscNew(), PetscMalloc() 402 403 Concepts: memory allocation 404 405 M*/ 406 #if defined(PETSC_USE_DEBUG) 407 #define PetscMalloc2(m1,t1,r1,m2,t2,r2) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2)) 408 #else 409 #define PetscMalloc2(m1,t1,r1,m2,t2,r2) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2),r1) || (*(r2) = (t2*)(*(r1)+m1),0)) 410 #endif 411 412 /*MC 413 PetscMalloc3 - Allocates 3 chunks of memory 414 415 Input Parameter: 416 + m1 - number of elements to allocate in 1st chunk (may be zero) 417 . t1 - type of first memory elements 418 . m2 - number of elements to allocate in 2nd chunk (may be zero) 419 . t2 - type of second memory elements 420 . m3 - number of elements to allocate in 3rd chunk (may be zero) 421 - t3 - type of third memory elements 422 423 Output Parameter: 424 + r1 - memory allocated in first chunk 425 . r2 - memory allocated in second chunk 426 - r3 - memory allocated in third chunk 427 428 Synopsis: 429 PetscErrorCode PetscMalloc3(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3) 430 431 Level: developer 432 433 Notes: Memory of first chunk is always allocated at least double aligned 434 435 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3() 436 437 Concepts: memory allocation 438 439 M*/ 440 #if defined(PETSC_USE_DEBUG) 441 #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)) 442 #else 443 #define PetscMalloc3(m1,t1,r1,m2,t2,r2,m3,t3,r3) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),0)) 444 #endif 445 446 /*MC 447 PetscMalloc4 - Allocates 4 chunks of memory 448 449 Input Parameter: 450 + m1 - number of elements to allocate in 1st chunk (may be zero) 451 . t1 - type of first memory elements 452 . m2 - number of elements to allocate in 2nd chunk (may be zero) 453 . t2 - type of second memory elements 454 . m3 - number of elements to allocate in 3rd chunk (may be zero) 455 . t3 - type of third memory elements 456 . m4 - number of elements to allocate in 4th chunk (may be zero) 457 - t4 - type of fourth memory elements 458 459 Output Parameter: 460 + r1 - memory allocated in first chunk 461 . r2 - memory allocated in second chunk 462 . r3 - memory allocated in third chunk 463 - r4 - memory allocated in fourth chunk 464 465 Synopsis: 466 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) 467 468 Level: developer 469 470 Notes: Memory of first chunk is always allocated at least double aligned 471 472 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4() 473 474 Concepts: memory allocation 475 476 M*/ 477 #if defined(PETSC_USE_DEBUG) 478 #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)) 479 #else 480 #define PetscMalloc4(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),*(r4) = (t4*)(*(r3)+m3),0)) 481 #endif 482 483 /*MC 484 PetscMalloc5 - Allocates 5 chunks of memory 485 486 Input Parameter: 487 + m1 - number of elements to allocate in 1st chunk (may be zero) 488 . t1 - type of first memory elements 489 . m2 - number of elements to allocate in 2nd chunk (may be zero) 490 . t2 - type of second memory elements 491 . m3 - number of elements to allocate in 3rd chunk (may be zero) 492 . t3 - type of third memory elements 493 . m4 - number of elements to allocate in 4th chunk (may be zero) 494 . t4 - type of fourth memory elements 495 . m5 - number of elements to allocate in 5th chunk (may be zero) 496 - t5 - type of fifth memory elements 497 498 Output Parameter: 499 + r1 - memory allocated in first chunk 500 . r2 - memory allocated in second chunk 501 . r3 - memory allocated in third chunk 502 . r4 - memory allocated in fourth chunk 503 - r5 - memory allocated in fifth chunk 504 505 Synopsis: 506 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) 507 508 Level: developer 509 510 Notes: Memory of first chunk is always allocated at least double aligned 511 512 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5() 513 514 Concepts: memory allocation 515 516 M*/ 517 #if defined(PETSC_USE_DEBUG) 518 #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)) 519 #else 520 #define PetscMalloc5(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),*(r4) = (t4*)(*(r3)+m3),*(r5) = (t5*)(*(r4)+m4),0)) 521 #endif 522 523 524 /*MC 525 PetscMalloc6 - Allocates 6 chunks of memory 526 527 Input Parameter: 528 + m1 - number of elements to allocate in 1st chunk (may be zero) 529 . t1 - type of first memory elements 530 . m2 - number of elements to allocate in 2nd chunk (may be zero) 531 . t2 - type of second memory elements 532 . m3 - number of elements to allocate in 3rd chunk (may be zero) 533 . t3 - type of third memory elements 534 . m4 - number of elements to allocate in 4th chunk (may be zero) 535 . t4 - type of fourth memory elements 536 . m5 - number of elements to allocate in 5th chunk (may be zero) 537 . t5 - type of fifth memory elements 538 . m6 - number of elements to allocate in 6th chunk (may be zero) 539 - t6 - type of sixth memory elements 540 541 Output Parameter: 542 + r1 - memory allocated in first chunk 543 . r2 - memory allocated in second chunk 544 . r3 - memory allocated in third chunk 545 . r4 - memory allocated in fourth chunk 546 . r5 - memory allocated in fifth chunk 547 - r6 - memory allocated in sixth chunk 548 549 Synopsis: 550 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) 551 552 Level: developer 553 554 Notes: Memory of first chunk is always allocated at least double aligned 555 556 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6() 557 558 Concepts: memory allocation 559 560 M*/ 561 #if defined(PETSC_USE_DEBUG) 562 #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)) 563 #else 564 #define PetscMalloc6(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5)+(m6)*sizeof(t6),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),*(r4) = (t4*)(*(r3)+m3),*(r5) = (t5*)(*(r4)+m4),*(r6) = (t6*)(*(r5)+m5),0)) 565 #endif 566 567 /*MC 568 PetscMalloc7 - Allocates 7 chunks of memory 569 570 Input Parameter: 571 + m1 - number of elements to allocate in 1st chunk (may be zero) 572 . t1 - type of first memory elements 573 . m2 - number of elements to allocate in 2nd chunk (may be zero) 574 . t2 - type of second memory elements 575 . m3 - number of elements to allocate in 3rd chunk (may be zero) 576 . t3 - type of third memory elements 577 . m4 - number of elements to allocate in 4th chunk (may be zero) 578 . t4 - type of fourth memory elements 579 . m5 - number of elements to allocate in 5th chunk (may be zero) 580 . t5 - type of fifth memory elements 581 . m6 - number of elements to allocate in 6th chunk (may be zero) 582 . t6 - type of sixth memory elements 583 . m7 - number of elements to allocate in 7th chunk (may be zero) 584 - t7 - type of sixth memory elements 585 586 Output Parameter: 587 + r1 - memory allocated in first chunk 588 . r2 - memory allocated in second chunk 589 . r3 - memory allocated in third chunk 590 . r4 - memory allocated in fourth chunk 591 . r5 - memory allocated in fifth chunk 592 . r6 - memory allocated in sixth chunk 593 - r7 - memory allocated in sixth chunk 594 595 Synopsis: 596 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) 597 598 Level: developer 599 600 Notes: Memory of first chunk is always allocated at least double aligned 601 602 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6(), PetscFree7() 603 604 Concepts: memory allocation 605 606 M*/ 607 #if defined(PETSC_USE_DEBUG) 608 #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)) 609 #else 610 #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)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5)+(m6)*sizeof(t6)+(m7)*sizeof(t7),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),*(r4) = (t4*)(*(r3)+m3),*(r5) = (t5*)(*(r4)+m4),*(r6) = (t6*)(*(r5)+m5),*(r7) = (t7*)(*(r6)+m6),0)) 611 #endif 612 613 /*MC 614 PetscNew - Allocates memory of a particular type, Zeros the memory! 615 616 Input Parameter: 617 . type - structure name of space to be allocated. Memory of size sizeof(type) is allocated 618 619 Output Parameter: 620 . result - memory allocated 621 622 Synopsis: 623 PetscErrorCode PetscNew(struct type,((type *))result) 624 625 Level: beginner 626 627 .seealso: PetscFree(), PetscMalloc() 628 629 Concepts: memory allocation 630 631 M*/ 632 #define PetscNew(A,b) (PetscMalloc(sizeof(A),(b)) || PetscMemzero(*(b),sizeof(A))) 633 634 /*MC 635 PetscFree - Frees memory 636 637 Input Parameter: 638 . memory - memory to free 639 640 Synopsis: 641 PetscErrorCode PetscFree(void *memory) 642 643 Level: beginner 644 645 Notes: Memory must have been obtained with PetscNew() or PetscMalloc() 646 647 .seealso: PetscNew(), PetscMalloc() 648 649 Concepts: memory allocation 650 651 M*/ 652 #define PetscFree(a) ((a) ? ((*PetscTrFree)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__) || ((a = 0),0)) : 0) 653 654 /*MC 655 PetscFreeVoid - Frees memory 656 657 Input Parameter: 658 . memory - memory to free 659 660 Synopsis: 661 void PetscFreeVoid(void *memory) 662 663 Level: beginner 664 665 Notes: This is different from PetscFree() in that no error code is returned 666 667 .seealso: PetscFree(), PetscNew(), PetscMalloc() 668 669 Concepts: memory allocation 670 671 M*/ 672 #define PetscFreeVoid(a) ((*PetscTrFree)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__),(a) = 0) 673 674 675 /*MC 676 PetscFree2 - Frees 2 chunks of memory obtained with PetscMalloc2() 677 678 Input Parameter: 679 + memory1 - memory to free 680 - memory2 - 2nd memory to free 681 682 683 Synopsis: 684 PetscErrorCode PetscFree2(void *memory1,void *memory2) 685 686 Level: developer 687 688 Notes: Memory must have been obtained with PetscMalloc2() 689 690 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree() 691 692 Concepts: memory allocation 693 694 M*/ 695 #if defined(PETSC_USE_DEBUG) 696 #define PetscFree2(m1,m2) (PetscFree(m2) || PetscFree(m1)) 697 #else 698 #define PetscFree2(m1,m2) (PetscFree(m1)) 699 #endif 700 701 /*MC 702 PetscFree3 - Frees 3 chunks of memory obtained with PetscMalloc3() 703 704 Input Parameter: 705 + memory1 - memory to free 706 . memory2 - 2nd memory to free 707 - memory3 - 3rd memory to free 708 709 710 Synopsis: 711 PetscErrorCode PetscFree3(void *memory1,void *memory2,void *memory3) 712 713 Level: developer 714 715 Notes: Memory must have been obtained with PetscMalloc3() 716 717 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3() 718 719 Concepts: memory allocation 720 721 M*/ 722 #if defined(PETSC_USE_DEBUG) 723 #define PetscFree3(m1,m2,m3) (PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 724 #else 725 #define PetscFree3(m1,m2,m3) (PetscFree(m1)) 726 #endif 727 728 /*MC 729 PetscFree4 - Frees 4 chunks of memory obtained with PetscMalloc4() 730 731 Input Parameter: 732 + m1 - memory to free 733 . m2 - 2nd memory to free 734 . m3 - 3rd memory to free 735 - m4 - 4th memory to free 736 737 738 Synopsis: 739 PetscErrorCode PetscFree4(void *m1,void *m2,void *m3,void *m4) 740 741 Level: developer 742 743 Notes: Memory must have been obtained with PetscMalloc4() 744 745 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4() 746 747 Concepts: memory allocation 748 749 M*/ 750 #if defined(PETSC_USE_DEBUG) 751 #define PetscFree4(m1,m2,m3,m4) (PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 752 #else 753 #define PetscFree4(m1,m2,m3,m4) (PetscFree(m1)) 754 #endif 755 756 /*MC 757 PetscFree5 - Frees 5 chunks of memory obtained with PetscMalloc5() 758 759 Input Parameter: 760 + m1 - memory to free 761 . m2 - 2nd memory to free 762 . m3 - 3rd memory to free 763 . m4 - 4th memory to free 764 - m5 - 5th memory to free 765 766 767 Synopsis: 768 PetscErrorCode PetscFree5(void *m1,void *m2,void *m3,void *m4,void *m5) 769 770 Level: developer 771 772 Notes: Memory must have been obtained with PetscMalloc5() 773 774 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5() 775 776 Concepts: memory allocation 777 778 M*/ 779 #if defined(PETSC_USE_DEBUG) 780 #define PetscFree5(m1,m2,m3,m4,m5) (PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 781 #else 782 #define PetscFree5(m1,m2,m3,m4,m5) (PetscFree(m1)) 783 #endif 784 785 786 /*MC 787 PetscFree6 - Frees 6 chunks of memory obtained with PetscMalloc6() 788 789 Input Parameter: 790 + m1 - memory to free 791 . m2 - 2nd memory to free 792 . m3 - 3rd memory to free 793 . m4 - 4th memory to free 794 . m5 - 5th memory to free 795 - m6 - 6th memory to free 796 797 798 Synopsis: 799 PetscErrorCode PetscFree6(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6) 800 801 Level: developer 802 803 Notes: Memory must have been obtained with PetscMalloc6() 804 805 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6() 806 807 Concepts: memory allocation 808 809 M*/ 810 #if defined(PETSC_USE_DEBUG) 811 #define PetscFree6(m1,m2,m3,m4,m5,m6) (PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 812 #else 813 #define PetscFree6(m1,m2,m3,m4,m5,m6) (PetscFree(m1)) 814 #endif 815 816 /*MC 817 PetscFree7 - Frees 7 chunks of memory obtained with PetscMalloc7() 818 819 Input Parameter: 820 + m1 - memory to free 821 . m2 - 2nd memory to free 822 . m3 - 3rd memory to free 823 . m4 - 4th memory to free 824 . m5 - 5th memory to free 825 . m6 - 6th memory to free 826 - m7 - 7th memory to free 827 828 829 Synopsis: 830 PetscErrorCode PetscFree7(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6,void *m7) 831 832 Level: developer 833 834 Notes: Memory must have been obtained with PetscMalloc6() 835 836 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6(), 837 PetscMalloc7() 838 839 Concepts: memory allocation 840 841 M*/ 842 #if defined(PETSC_USE_DEBUG) 843 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7) (PetscFree(m7) || PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1)) 844 #else 845 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7) (PetscFree(m1)) 846 #endif 847 848 EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscTrMalloc)(size_t,int,const char[],const char[],const char[],void**); 849 EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscTrFree)(void*,int,const char[],const char[],const char[]); 850 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetMalloc(PetscErrorCode (*)(size_t,int,const char[],const char[],const char[],void**),PetscErrorCode (*)(void*,int,const char[],const char[],const char[])); 851 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscClearMalloc(void); 852 853 /* 854 Routines for tracing memory corruption/bleeding with default PETSc 855 memory allocation 856 */ 857 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocDump(FILE *); 858 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocDumpLog(FILE *); 859 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocGetCurrentUsage(PetscLogDouble *); 860 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocGetMaximumUsage(PetscLogDouble *); 861 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocDebug(PetscTruth); 862 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocValidate(int,const char[],const char[],const char[]); 863 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMallocSetDumpLog(void); 864 865 866 /* 867 Variable type where we stash PETSc object pointers in Fortran. 868 Assumes that sizeof(long) == sizeof(void*)which is true on 869 all machines that we know. 870 */ 871 #define PetscFortranAddr long 872 873 /*E 874 PetscDataType - Used for handling different basic data types. 875 876 Level: beginner 877 878 .seealso: PetscBinaryRead(), PetscBinaryWrite(), PetscDataTypeToMPIDataType(), 879 PetscDataTypeGetSize() 880 881 E*/ 882 typedef enum {PETSC_INT = 0,PETSC_DOUBLE = 1,PETSC_COMPLEX = 2, 883 PETSC_LONG = 3 ,PETSC_SHORT = 4,PETSC_FLOAT = 5, 884 PETSC_CHAR = 6,PETSC_LOGICAL = 7,PETSC_ENUM = 8,PETSC_TRUTH=9} PetscDataType; 885 extern const char *PetscDataTypes[]; 886 887 #if defined(PETSC_USE_COMPLEX) 888 #define PETSC_SCALAR PETSC_COMPLEX 889 #else 890 #if defined(PETSC_USE_SINGLE) 891 #define PETSC_SCALAR PETSC_FLOAT 892 #else 893 #define PETSC_SCALAR PETSC_DOUBLE 894 #endif 895 #endif 896 #if defined(PETSC_USE_SINGLE) 897 #define PETSC_REAL PETSC_FLOAT 898 #else 899 #define PETSC_REAL PETSC_DOUBLE 900 #endif 901 #define PETSC_FORTRANADDR PETSC_LONG 902 903 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDataTypeToMPIDataType(PetscDataType,MPI_Datatype*); 904 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDataTypeGetSize(PetscDataType,PetscInt*); 905 906 /* 907 Basic memory and string operations. These are usually simple wrappers 908 around the basic Unix system calls, but a few of them have additional 909 functionality and/or error checking. 910 */ 911 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemcpy(void*,const void *,size_t); 912 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBitMemcpy(void*,PetscInt,const void*,PetscInt,PetscInt,PetscDataType); 913 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemmove(void*,void *,size_t); 914 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemzero(void*,size_t); 915 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemcmp(const void*,const void*,size_t,PetscTruth *); 916 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrlen(const char[],size_t*); 917 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrcmp(const char[],const char[],PetscTruth *); 918 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrgrt(const char[],const char[],PetscTruth *); 919 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrcasecmp(const char[],const char[],PetscTruth*); 920 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrncmp(const char[],const char[],size_t,PetscTruth*); 921 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrcpy(char[],const char[]); 922 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrcat(char[],const char[]); 923 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrncat(char[],const char[],size_t); 924 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrncpy(char[],const char[],size_t); 925 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrchr(const char[],char,char *[]); 926 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrtolower(char[]); 927 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrrchr(const char[],char,char *[]); 928 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrstr(const char[],const char[],char *[]); 929 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrrstr(const char[],const char[],char *[]); 930 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrallocpy(const char[],char *[]); 931 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStrreplace(MPI_Comm,const char[],char[],size_t); 932 #define PetscStrfree(a) ((a) ? PetscFree(a) : 0) 933 /*S 934 PetscToken - 'Token' used for managing tokenizing strings 935 936 Level: intermediate 937 938 .seealso: PetscTokenCreate(), PetscTokenFind(), PetscTokenDestroy() 939 S*/ 940 typedef struct {char token;char *array;char *current;} PetscToken; 941 942 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTokenCreate(const char[],const char,PetscToken**); 943 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTokenFind(PetscToken*,char *[]); 944 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTokenDestroy(PetscToken*); 945 946 /* 947 These are MPI operations for MPI_Allreduce() etc 948 */ 949 EXTERN PETSC_DLLEXPORT MPI_Op PetscMaxSum_Op; 950 #if defined(PETSC_USE_COMPLEX) 951 EXTERN PETSC_DLLEXPORT MPI_Op PetscSum_Op; 952 #else 953 #define PetscSum_Op MPI_SUM 954 #endif 955 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMaxSum(MPI_Comm,const PetscInt[],PetscInt*,PetscInt*); 956 957 /*S 958 PetscObject - any PETSc object, PetscViewer, Mat, Vec, KSP etc 959 960 Level: beginner 961 962 Note: This is the base class from which all objects appear. 963 964 .seealso: PetscObjectDestroy(), PetscObjectView(), PetscObjectGetName(), PetscObjectSetName() 965 S*/ 966 typedef struct _p_PetscObject* PetscObject; 967 968 /*S 969 PetscFList - Linked list of functions, possibly stored in dynamic libraries, accessed 970 by string name 971 972 Level: advanced 973 974 .seealso: PetscFListAdd(), PetscFListDestroy() 975 S*/ 976 typedef struct _PetscFList *PetscFList; 977 978 #include "petscviewer.h" 979 #include "petscoptions.h" 980 981 extern PETSC_DLLEXPORT PetscCookie PETSC_OBJECT_COOKIE; 982 983 /* 984 Routines that get memory usage information from the OS 985 */ 986 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryGetCurrentUsage(PetscLogDouble *); 987 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryGetMaximumUsage(PetscLogDouble *); 988 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemorySetGetMaximumUsage(void); 989 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryShowUsage(PetscViewer,const char[]); 990 991 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscLogInfoAllow(PetscTruth,const char []); 992 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetTime(PetscLogDouble*); 993 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetCPUTime(PetscLogDouble*); 994 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSleep(int); 995 996 /* 997 Initialization of PETSc 998 */ 999 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitialize(int*,char***,const char[],const char[]); 1000 PetscPolymorphicSubroutine(PetscInitialize,(int *argc,char ***args),(argc,args,PETSC_NULL,PETSC_NULL)) 1001 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitializeNoArguments(void); 1002 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitialized(PetscTruth *); 1003 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFinalized(PetscTruth *); 1004 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFinalize(void); 1005 EXTERN PetscErrorCode PetscInitializeFortran(void); 1006 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetArgs(int*,char ***); 1007 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscEnd(void); 1008 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitializePackage(char *); 1009 typedef void (**PetscVoidFunction)(void); 1010 1011 /* 1012 PetscTryMethod - Queries an object for a method, if it exists then calls it. 1013 These are intended to be used only inside PETSc functions. 1014 */ 1015 #define PetscTryMethod(obj,A,B,C) \ 1016 0;{ PetscErrorCode (*f)B, __ierr; \ 1017 __ierr = PetscObjectQueryFunction((PetscObject)obj,#A,(PetscVoidFunction)&f);CHKERRQ(__ierr); \ 1018 if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\ 1019 } 1020 #define PetscUseMethod(obj,A,B,C) \ 1021 0;{ PetscErrorCode (*f)B, __ierr; \ 1022 __ierr = PetscObjectQueryFunction((PetscObject)obj,A,(PetscVoidFunction)&f);CHKERRQ(__ierr); \ 1023 if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\ 1024 else {SETERRQ1(PETSC_ERR_SUP,"Cannot locate function %s in object",A);} \ 1025 } 1026 /* 1027 Functions that can act on any PETSc object. 1028 */ 1029 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectCreate(MPI_Comm,PetscObject*); 1030 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectDestroy(PetscObject); 1031 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectExists(PetscObject,PetscTruth*); 1032 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetComm(PetscObject,MPI_Comm *); 1033 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetCookie(PetscObject,int *); 1034 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetType(PetscObject,const char []); 1035 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetType(PetscObject,const char *[]); 1036 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetName(PetscObject,const char[]); 1037 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetName(PetscObject,const char*[]); 1038 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectReference(PetscObject); 1039 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetReference(PetscObject,PetscInt*); 1040 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectDereference(PetscObject); 1041 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetNewTag(PetscObject,PetscMPIInt *); 1042 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommGetNewTag(MPI_Comm,PetscMPIInt *); 1043 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectView(PetscObject,PetscViewer); 1044 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectCompose(PetscObject,const char[],PetscObject); 1045 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectQuery(PetscObject,const char[],PetscObject *); 1046 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectComposeFunction(PetscObject,const char[],const char[],void (*)(void)); 1047 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetFromOptions(PetscObject); 1048 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetUp(PetscObject); 1049 1050 typedef void (*FCNVOID)(void); /* cast in next macro should never be extern C */ 1051 typedef PetscErrorCode (*FCNINTVOID)(void); /* used in casts to make sure they are not extern C */ 1052 /*MC 1053 PetscObjectComposeFunctionDynamic - Associates a function with a given PETSc object. 1054 1055 Collective on PetscObject 1056 1057 Input Parameters: 1058 + obj - the PETSc object; this must be cast with a (PetscObject), for example, 1059 PetscObjectCompose((PetscObject)mat,...); 1060 . name - name associated with the child function 1061 . fname - name of the function 1062 - ptr - function pointer (or PETSC_NULL if using dynamic libraries) 1063 1064 Level: advanced 1065 1066 Synopsis: 1067 PetscErrorCode PetscObjectComposeFunctionDynamic(PetscObject obj,const char name[],const char fname[],void *ptr) 1068 1069 Notes: 1070 To remove a registered routine, pass in a PETSC_NULL rname and fnc(). 1071 1072 PetscObjectComposeFunctionDynamic() can be used with any PETSc object (such as 1073 Mat, Vec, KSP, SNES, etc.) or any user-provided object. 1074 1075 The composed function must be wrapped in a EXTERN_C_BEGIN/END for this to 1076 work in C++/complex with dynamic link libraries (PETSC_USE_DYNAMIC_LIBRARIES) 1077 enabled. 1078 1079 Concepts: objects^composing functions 1080 Concepts: composing functions 1081 Concepts: functions^querying 1082 Concepts: objects^querying 1083 Concepts: querying objects 1084 1085 .seealso: PetscObjectQueryFunction() 1086 M*/ 1087 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 1088 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,0) 1089 #else 1090 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,(FCNVOID)(d)) 1091 #endif 1092 1093 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectQueryFunction(PetscObject,const char[],void (**)(void)); 1094 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetOptionsPrefix(PetscObject,const char[]); 1095 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectAppendOptionsPrefix(PetscObject,const char[]); 1096 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectPrependOptionsPrefix(PetscObject,const char[]); 1097 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetOptionsPrefix(PetscObject,const char*[]); 1098 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectPublish(PetscObject); 1099 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectChangeTypeName(PetscObject,const char[]); 1100 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectRegisterDestroy(PetscObject); 1101 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectRegisterDestroyAll(void); 1102 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectName(PetscObject); 1103 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTypeCompare(PetscObject,const char[],PetscTruth*); 1104 1105 /* 1106 Defines PETSc error handling. 1107 */ 1108 #include "petscerror.h" 1109 1110 /*S 1111 PetscOList - Linked list of PETSc objects, accessable by string name 1112 1113 Level: advanced 1114 1115 .seealso: PetscOListAdd(), PetscOListDestroy(), PetscOListFind() 1116 S*/ 1117 typedef struct _PetscOList *PetscOList; 1118 1119 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListDestroy(PetscOList *); 1120 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListFind(PetscOList,const char[],PetscObject*); 1121 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListReverseFind(PetscOList,PetscObject,char**); 1122 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListAdd(PetscOList *,const char[],PetscObject); 1123 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListDuplicate(PetscOList,PetscOList *); 1124 1125 /* 1126 Dynamic library lists. Lists of names of routines in dynamic 1127 link libraries that will be loaded as needed. 1128 */ 1129 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListAdd(PetscFList*,const char[],const char[],void (*)(void)); 1130 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListDestroy(PetscFList*); 1131 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListFind(MPI_Comm,PetscFList,const char[],void (**)(void)); 1132 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListPrintTypes(MPI_Comm,FILE*,const char[],const char[],const char[],const char[],PetscFList); 1133 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 1134 #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,0) 1135 #else 1136 #define PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,(void (*)(void))c) 1137 #endif 1138 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListDuplicate(PetscFList,PetscFList *); 1139 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListView(PetscFList,PetscViewer); 1140 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListConcat(const char [],const char [],char []); 1141 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListGet(PetscFList,char ***,int*); 1142 1143 /*S 1144 PetscDLLibraryList - Linked list of dynamics libraries to search for functions 1145 1146 Level: advanced 1147 1148 PETSC_USE_DYNAMIC_LIBRARIES must be defined in petscconf.h to use dynamic libraries 1149 1150 .seealso: PetscDLLibraryOpen() 1151 S*/ 1152 typedef struct _PetscDLLibraryList *PetscDLLibraryList; 1153 extern PetscDLLibraryList DLLibrariesLoaded; 1154 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryRetrieve(MPI_Comm,const char[],char *,int,PetscTruth *); 1155 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryOpen(MPI_Comm,const char[],void **); 1156 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibrarySym(MPI_Comm,PetscDLLibraryList *,const char[],const char[],void **); 1157 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryAppend(MPI_Comm,PetscDLLibraryList *,const char[]); 1158 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryPrepend(MPI_Comm,PetscDLLibraryList *,const char[]); 1159 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryClose(PetscDLLibraryList); 1160 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryPrintPath(void); 1161 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryGetInfo(void*,const char[],const char *[]); 1162 1163 /* 1164 Mechanism for translating PETSc object representations between languages 1165 Not currently used. 1166 */ 1167 typedef enum {PETSC_LANGUAGE_C,PETSC_LANGUAGE_CXX} PetscLanguage; 1168 #define PETSC_LANGUAGE_F77 PETSC_LANGUAGE_C 1169 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectComposeLanguage(PetscObject,PetscLanguage,void *); 1170 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectQueryLanguage(PetscObject,PetscLanguage,void **); 1171 1172 /* 1173 Useful utility routines 1174 */ 1175 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSplitOwnership(MPI_Comm,PetscInt*,PetscInt*); 1176 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSplitOwnershipBlock(MPI_Comm,PetscInt,PetscInt*,PetscInt*); 1177 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSequentialPhaseBegin(MPI_Comm,PetscMPIInt); 1178 PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(MPI_Comm comm),(comm,1)) 1179 PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(void),(PETSC_COMM_WORLD,1)) 1180 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSequentialPhaseEnd(MPI_Comm,PetscMPIInt); 1181 PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(MPI_Comm comm),(comm,1)) 1182 PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(void),(PETSC_COMM_WORLD,1)) 1183 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBarrier(PetscObject); 1184 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMPIDump(FILE*); 1185 1186 #define PetscNot(a) ((a) ? PETSC_FALSE : PETSC_TRUE) 1187 /* 1188 Defines basic graphics available from PETSc. 1189 */ 1190 #include "petscdraw.h" 1191 1192 /* 1193 Defines the base data structures for all PETSc objects 1194 */ 1195 #include "petschead.h" 1196 1197 /* 1198 Defines PETSc profiling. 1199 */ 1200 #include "petsclog.h" 1201 1202 /* 1203 For locking, unlocking and destroying AMS memories associated with 1204 PETSc objects. Not currently used. 1205 */ 1206 #define PetscPublishAll(v) 0 1207 #define PetscObjectTakeAccess(obj) 0 1208 #define PetscObjectGrantAccess(obj) 0 1209 #define PetscObjectDepublish(obj) 0 1210 1211 1212 1213 /* 1214 This code allows one to pass a MPI communicator between 1215 C and Fortran. MPI 2.0 defines a standard API for doing this. 1216 The code here is provided to allow PETSc to work with MPI 1.1 1217 standard MPI libraries. 1218 */ 1219 EXTERN PetscErrorCode MPICCommToFortranComm(MPI_Comm,int *); 1220 EXTERN PetscErrorCode MPIFortranCommToCComm(int,MPI_Comm*); 1221 1222 /* 1223 Simple PETSc parallel IO for ASCII printing 1224 */ 1225 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFixFilename(const char[],char[]); 1226 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFOpen(MPI_Comm,const char[],const char[],FILE**); 1227 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFClose(MPI_Comm,FILE*); 1228 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4); 1229 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPrintf(MPI_Comm,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3); 1230 1231 /* These are used internally by PETSc ASCII IO routines*/ 1232 #include <stdarg.h> 1233 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscVSNPrintf(char*,size_t,const char*,va_list); 1234 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscVFPrintf(FILE*,const char*,va_list); 1235 1236 /*MC 1237 PetscErrorPrintf - Prints error messages. 1238 1239 Not Collective 1240 1241 Synopsis: 1242 PetscErrorCode (*PetscErrorPrintf)(const char format[],...); 1243 1244 Input Parameters: 1245 . format - the usual printf() format string 1246 1247 Options Database Keys: 1248 . -error_output_stderr - cause error messages to be printed to stderr instead of the 1249 (default) stdout 1250 1251 1252 Level: developer 1253 1254 Fortran Note: 1255 This routine is not supported in Fortran. 1256 1257 Concepts: error messages^printing 1258 Concepts: printing^error messages 1259 1260 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscHelpPrintf() 1261 M*/ 1262 EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscErrorPrintf)(const char[],...); 1263 1264 /*MC 1265 PetscHelpPrintf - Prints help messages. 1266 1267 Not Collective 1268 1269 Synopsis: 1270 PetscErrorCode (*PetscHelpPrintf)(const char format[],...); 1271 1272 Input Parameters: 1273 . format - the usual printf() format string 1274 1275 Level: developer 1276 1277 Fortran Note: 1278 This routine is not supported in Fortran. 1279 1280 Concepts: help messages^printing 1281 Concepts: printing^help messages 1282 1283 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscErrorPrintf() 1284 M*/ 1285 EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscHelpPrintf)(MPI_Comm,const char[],...); 1286 1287 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPOpen(MPI_Comm,const char[],const char[],const char[],FILE **); 1288 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPClose(MPI_Comm,FILE*); 1289 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSynchronizedPrintf(MPI_Comm,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3); 1290 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSynchronizedFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4); 1291 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSynchronizedFlush(MPI_Comm); 1292 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSynchronizedFGets(MPI_Comm,FILE*,size_t,char[]); 1293 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStartMatlab(MPI_Comm,const char[],const char[],FILE**); 1294 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStartJava(MPI_Comm,const char[],const char[],FILE**); 1295 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetPetscDir(const char*[]); 1296 1297 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPopUpSelect(MPI_Comm,char*,char*,int,char**,int*); 1298 /*S 1299 PetscObjectContainer - Simple PETSc object that contains a pointer to any required data 1300 1301 Level: advanced 1302 1303 .seealso: PetscObject, PetscObjectContainerCreate() 1304 S*/ 1305 typedef struct _p_PetscObjectContainer* PetscObjectContainer; 1306 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectContainerGetPointer(PetscObjectContainer,void **); 1307 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectContainerSetPointer(PetscObjectContainer,void *); 1308 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectContainerDestroy(PetscObjectContainer); 1309 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectContainerCreate(MPI_Comm comm,PetscObjectContainer *); 1310 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectContainerSetUserDestroy(PetscObjectContainer, PetscErrorCode (*)(void*)); 1311 1312 /* 1313 For use in debuggers 1314 */ 1315 extern PETSC_DLLEXPORT PetscMPIInt PetscGlobalRank; 1316 extern PETSC_DLLEXPORT PetscMPIInt PetscGlobalSize; 1317 1318 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscIntView(PetscInt,PetscInt[],PetscViewer); 1319 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRealView(PetscInt,PetscReal[],PetscViewer); 1320 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscScalarView(PetscInt,PetscScalar[],PetscViewer); 1321 1322 /* 1323 Allows accessing Matlab Engine 1324 */ 1325 #include "petscmatlab.h" 1326 1327 /* 1328 C code optimization is often enhanced by telling the compiler 1329 that certain pointer arguments to functions are not aliased to 1330 to other arguments. This is not yet ANSI C standard so we define 1331 the macro "restrict" to indicate that the variable is not aliased 1332 to any other argument. 1333 */ 1334 #if defined(PETSC_HAVE_RESTRICT) && !defined(__cplusplus) 1335 #define restrict _Restrict 1336 #else 1337 #if defined(restrict) 1338 #undef restrict 1339 #endif 1340 #define restrict 1341 #endif 1342 1343 /* 1344 Determine if some of the kernel computation routines use 1345 Fortran (rather than C) for the numerical calculations. On some machines 1346 and compilers (like complex numbers) the Fortran version of the routines 1347 is faster than the C/C++ versions. The flag PETSC_USE_FORTRAN_KERNELS 1348 would be set in the petscconf.h file 1349 */ 1350 #if defined(PETSC_USE_FORTRAN_KERNELS) 1351 1352 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJ) 1353 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJ 1354 #endif 1355 1356 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ) 1357 #define PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ 1358 #endif 1359 1360 #if !defined(PETSC_USE_FORTRAN_KERNEL_NORM) 1361 #define PETSC_USE_FORTRAN_KERNEL_NORM 1362 #endif 1363 1364 #if !defined(PETSC_USE_FORTRAN_KERNEL_MAXPY) 1365 #define PETSC_USE_FORTRAN_KERNEL_MAXPY 1366 #endif 1367 1368 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ) 1369 #define PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ 1370 #endif 1371 1372 #if !defined(PETSC_USE_FORTRAN_KERNEL_RELAXAIJ) 1373 #define PETSC_USE_FORTRAN_KERNEL_RELAXAIJ 1374 #endif 1375 1376 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ) 1377 #define PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ 1378 #endif 1379 1380 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ) 1381 #define PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ 1382 #endif 1383 1384 #if !defined(PETSC_USE_FORTRAN_KERNEL_MDOT) 1385 #define PETSC_USE_FORTRAN_KERNEL_MDOT 1386 #endif 1387 1388 #if !defined(PETSC_USE_FORTRAN_KERNEL_XTIMESY) 1389 #define PETSC_USE_FORTRAN_KERNEL_XTIMESY 1390 #endif 1391 1392 #if !defined(PETSC_USE_FORTRAN_KERNEL_AYPX) 1393 #define PETSC_USE_FORTRAN_KERNEL_AYPX 1394 #endif 1395 1396 #if !defined(PETSC_USE_FORTRAN_KERNEL_WAXPY) 1397 #define PETSC_USE_FORTRAN_KERNEL_WAXPY 1398 #endif 1399 1400 #endif 1401 1402 /* 1403 Macros for indicating code that should be compiled with a C interface, 1404 rather than a C++ interface. Any routines that are dynamically loaded 1405 (such as the PCCreate_XXX() routines) must be wrapped so that the name 1406 mangler does not change the functions symbol name. This just hides the 1407 ugly extern "C" {} wrappers. 1408 */ 1409 #if defined(__cplusplus) 1410 #define EXTERN_C_BEGIN extern "C" { 1411 #define EXTERN_C_END } 1412 #else 1413 #define EXTERN_C_BEGIN 1414 #define EXTERN_C_END 1415 #endif 1416 1417 /* --------------------------------------------------------------------*/ 1418 1419 /*M 1420 size - integer variable used to contain the number of processors in 1421 the relevent MPI_Comm 1422 1423 Level: beginner 1424 1425 .seealso: rank, comm 1426 M*/ 1427 1428 /*M 1429 rank - integer variable used to contain the number of this processor relative 1430 to all in the relevent MPI_Comm 1431 1432 Level: beginner 1433 1434 .seealso: size, comm 1435 M*/ 1436 1437 /*M 1438 comm - MPI_Comm used in the current routine or object 1439 1440 Level: beginner 1441 1442 .seealso: size, rank 1443 M*/ 1444 1445 /*M 1446 MPI_Comm - the basic object used by MPI to determine which processes are involved in a 1447 communication 1448 1449 Level: beginner 1450 1451 Note: This manual page is a place-holder because MPICH does not have a manual page for MPI_Comm 1452 1453 .seealso: size, rank, comm, PETSC_COMM_WORLD, PETSC_COMM_SELF 1454 M*/ 1455 1456 /*M 1457 PetscScalar - PETSc type that represents either a double precision real number or 1458 a double precision complex number if the code is configured with --with-scalar-type=complex 1459 1460 Level: beginner 1461 1462 .seealso: PetscReal, PassiveReal, PassiveScalar 1463 M*/ 1464 1465 /*M 1466 PetscReal - PETSc type that represents a double precision real number 1467 1468 Level: beginner 1469 1470 .seealso: PetscScalar, PassiveReal, PassiveScalar 1471 M*/ 1472 1473 /*M 1474 PassiveScalar - PETSc type that represents either a double precision real number or 1475 a double precision complex number if the code is code is configured with --with-scalar-type=complex 1476 1477 Level: beginner 1478 1479 This is the same as a PetscScalar except in code that is automatically differentiated it is 1480 treated as a constant (not an indendent or dependent variable) 1481 1482 .seealso: PetscReal, PassiveReal, PetscScalar 1483 M*/ 1484 1485 /*M 1486 PassiveReal - PETSc type that represents a double precision real number 1487 1488 Level: beginner 1489 1490 This is the same as a PetscReal except in code that is automatically differentiated it is 1491 treated as a constant (not an indendent or dependent variable) 1492 1493 .seealso: PetscScalar, PetscReal, PassiveScalar 1494 M*/ 1495 1496 /*M 1497 MPIU_SCALAR - MPI datatype corresponding to PetscScalar 1498 1499 Level: beginner 1500 1501 Note: In MPI calls that require an MPI datatype that matches a PetscScalar or array of PetscScalars 1502 pass this value 1503 1504 .seealso: PetscReal, PassiveReal, PassiveScalar, PetscScalar 1505 M*/ 1506 1507 /* 1508 The IBM include files define hz, here we hide it so that it may be used 1509 as a regular user variable. 1510 */ 1511 #if defined(hz) 1512 #undef hz 1513 #endif 1514 1515 /* For arrays that contain filenames or paths */ 1516 1517 1518 #if defined(PETSC_HAVE_LIMITS_H) 1519 #include <limits.h> 1520 #endif 1521 #if defined(PETSC_HAVE_SYS_PARAM_H) 1522 #include <sys/param.h> 1523 #endif 1524 #if defined(PETSC_HAVE_SYS_TYPES_H) 1525 #include <sys/types.h> 1526 #endif 1527 #if defined(MAXPATHLEN) 1528 # define PETSC_MAX_PATH_LEN MAXPATHLEN 1529 #elif defined(MAX_PATH) 1530 # define PETSC_MAX_PATH_LEN MAX_PATH 1531 #elif defined(_MAX_PATH) 1532 # define PETSC_MAX_PATH_LEN _MAX_PATH 1533 #else 1534 # define PETSC_MAX_PATH_LEN 4096 1535 #endif 1536 1537 PETSC_EXTERN_CXX_END 1538 #endif 1539 1540 1541