1 2 /* 3 This file defines the initialization of PETSc, including PetscInitialize() 4 */ 5 #include <petsc/private/petscimpl.h> /*I "petscsys.h" I*/ 6 #include <petscvalgrind.h> 7 #include <petscviewer.h> 8 9 #if defined(PETSC_HAVE_CUDA) 10 #include <cublas.h> 11 #endif 12 13 #if defined(PETSC_USE_LOG) 14 extern PetscErrorCode PetscLogInitialize(void); 15 #endif 16 17 #if defined(PETSC_SERIALIZE_FUNCTIONS) 18 PetscFPT PetscFPTData = 0; 19 #endif 20 21 #if defined(PETSC_HAVE_SAWS) 22 #include <petscviewersaws.h> 23 #endif 24 /* -----------------------------------------------------------------------------------------*/ 25 26 extern FILE *petsc_history; 27 28 extern PetscErrorCode PetscInitialize_DynamicLibraries(void); 29 extern PetscErrorCode PetscFinalize_DynamicLibraries(void); 30 extern PetscErrorCode PetscFunctionListPrintAll(void); 31 extern PetscErrorCode PetscSequentialPhaseBegin_Private(MPI_Comm,int); 32 extern PetscErrorCode PetscSequentialPhaseEnd_Private(MPI_Comm,int); 33 extern PetscErrorCode PetscCloseHistoryFile(FILE**); 34 35 /* user may set this BEFORE calling PetscInitialize() */ 36 MPI_Comm PETSC_COMM_WORLD = MPI_COMM_NULL; 37 38 PetscMPIInt Petsc_Counter_keyval = MPI_KEYVAL_INVALID; 39 PetscMPIInt Petsc_InnerComm_keyval = MPI_KEYVAL_INVALID; 40 PetscMPIInt Petsc_OuterComm_keyval = MPI_KEYVAL_INVALID; 41 42 /* 43 Declare and set all the string names of the PETSc enums 44 */ 45 const char *const PetscBools[] = {"FALSE","TRUE","PetscBool","PETSC_",0}; 46 const char *const PetscCopyModes[] = {"COPY_VALUES","OWN_POINTER","USE_POINTER","PetscCopyMode","PETSC_",0}; 47 const char *const PetscDataTypes[] = {"INT","DOUBLE","COMPLEX","LONG","SHORT","FLOAT", 48 "CHAR","LOGICAL","ENUM","BOOL","LONGDOUBLE","OBJECT","FUNCTION","PetscDataType","PETSC_",0}; 49 50 PetscBool PetscPreLoadingUsed = PETSC_FALSE; 51 PetscBool PetscPreLoadingOn = PETSC_FALSE; 52 53 PetscInt PetscHotRegionDepth; 54 55 /* 56 Checks the options database for initializations related to the 57 PETSc components 58 */ 59 #undef __FUNCT__ 60 #define __FUNCT__ "PetscOptionsCheckInitial_Components" 61 PetscErrorCode PetscOptionsCheckInitial_Components(void) 62 { 63 PetscBool flg1; 64 PetscErrorCode ierr; 65 66 PetscFunctionBegin; 67 ierr = PetscOptionsHasName(NULL,"-help",&flg1);CHKERRQ(ierr); 68 if (flg1) { 69 #if defined(PETSC_USE_LOG) 70 MPI_Comm comm = PETSC_COMM_WORLD; 71 ierr = (*PetscHelpPrintf)(comm,"------Additional PETSc component options--------\n");CHKERRQ(ierr); 72 ierr = (*PetscHelpPrintf)(comm," -log_summary_exclude: <vec,mat,pc.ksp,snes>\n");CHKERRQ(ierr); 73 ierr = (*PetscHelpPrintf)(comm," -info_exclude: <null,vec,mat,pc,ksp,snes,ts>\n");CHKERRQ(ierr); 74 ierr = (*PetscHelpPrintf)(comm,"-----------------------------------------------\n");CHKERRQ(ierr); 75 #endif 76 } 77 PetscFunctionReturn(0); 78 } 79 80 #undef __FUNCT__ 81 #define __FUNCT__ "PetscInitializeNoPointers" 82 /* 83 PetscInitializeNoPointers - Calls PetscInitialize() from C/C++ without the pointers to argc and args 84 85 Collective 86 87 Level: advanced 88 89 Notes: this is called only by the PETSc MATLAB and Julia interface. Even though it might start MPI it sets the flag to 90 indicate that it did NOT start MPI so that the PetscFinalize() does not end MPI, thus allowing PetscInitialize() to 91 be called multiple times from MATLAB and Julia without the problem of trying to initialize MPI more than once. 92 93 Turns off PETSc signal handling because that can interact with MATLAB's signal handling causing random crashes. 94 95 .seealso: PetscInitialize(), PetscInitializeFortran(), PetscInitializeNoArguments() 96 */ 97 PetscErrorCode PetscInitializeNoPointers(int argc,char **args,const char *filename,const char *help) 98 { 99 PetscErrorCode ierr; 100 int myargc = argc; 101 char **myargs = args; 102 103 PetscFunctionBegin; 104 ierr = PetscInitialize(&myargc,&myargs,filename,help);CHKERRQ(ierr); 105 ierr = PetscPopSignalHandler();CHKERRQ(ierr); 106 PetscBeganMPI = PETSC_FALSE; 107 PetscFunctionReturn(ierr); 108 } 109 110 #undef __FUNCT__ 111 #define __FUNCT__ "PetscGetPETSC_COMM_SELF" 112 /* 113 Used by MATLAB and Julia interface to get communicator 114 */ 115 PetscErrorCode PetscGetPETSC_COMM_SELF(MPI_Comm *comm) 116 { 117 PetscFunctionBegin; 118 *comm = PETSC_COMM_SELF; 119 PetscFunctionReturn(0); 120 } 121 122 #undef __FUNCT__ 123 #define __FUNCT__ "PetscInitializeNoArguments" 124 /*@C 125 PetscInitializeNoArguments - Calls PetscInitialize() from C/C++ without 126 the command line arguments. 127 128 Collective 129 130 Level: advanced 131 132 .seealso: PetscInitialize(), PetscInitializeFortran() 133 @*/ 134 PetscErrorCode PetscInitializeNoArguments(void) 135 { 136 PetscErrorCode ierr; 137 int argc = 0; 138 char **args = 0; 139 140 PetscFunctionBegin; 141 ierr = PetscInitialize(&argc,&args,NULL,NULL); 142 PetscFunctionReturn(ierr); 143 } 144 145 #undef __FUNCT__ 146 #define __FUNCT__ "PetscInitialized" 147 /*@ 148 PetscInitialized - Determine whether PETSc is initialized. 149 150 Level: beginner 151 152 .seealso: PetscInitialize(), PetscInitializeNoArguments(), PetscInitializeFortran() 153 @*/ 154 PetscErrorCode PetscInitialized(PetscBool *isInitialized) 155 { 156 *isInitialized = PetscInitializeCalled; 157 return 0; 158 } 159 160 #undef __FUNCT__ 161 #define __FUNCT__ "PetscFinalized" 162 /*@ 163 PetscFinalized - Determine whether PetscFinalize() has been called yet 164 165 Level: developer 166 167 .seealso: PetscInitialize(), PetscInitializeNoArguments(), PetscInitializeFortran() 168 @*/ 169 PetscErrorCode PetscFinalized(PetscBool *isFinalized) 170 { 171 *isFinalized = PetscFinalizeCalled; 172 return 0; 173 } 174 175 extern PetscErrorCode PetscOptionsCheckInitial_Private(void); 176 177 /* 178 This function is the MPI reduction operation used to compute the sum of the 179 first half of the datatype and the max of the second half. 180 */ 181 MPI_Op PetscMaxSum_Op = 0; 182 183 #undef __FUNCT__ 184 #define __FUNCT__ "PetscMaxSum_Local" 185 PETSC_EXTERN void MPIAPI PetscMaxSum_Local(void *in,void *out,int *cnt,MPI_Datatype *datatype) 186 { 187 PetscInt *xin = (PetscInt*)in,*xout = (PetscInt*)out,i,count = *cnt; 188 189 PetscFunctionBegin; 190 if (*datatype != MPIU_2INT) { 191 (*PetscErrorPrintf)("Can only handle MPIU_2INT data types"); 192 MPI_Abort(MPI_COMM_WORLD,1); 193 } 194 195 for (i=0; i<count; i++) { 196 xout[2*i] = PetscMax(xout[2*i],xin[2*i]); 197 xout[2*i+1] += xin[2*i+1]; 198 } 199 PetscFunctionReturnVoid(); 200 } 201 202 /* 203 Returns the max of the first entry owned by this processor and the 204 sum of the second entry. 205 206 The reason sizes[2*i] contains lengths sizes[2*i+1] contains flag of 1 if length is nonzero 207 is so that the PetscMaxSum_Op() can set TWO values, if we passed in only sizes[i] with lengths 208 there would be no place to store the both needed results. 209 */ 210 #undef __FUNCT__ 211 #define __FUNCT__ "PetscMaxSum" 212 PetscErrorCode PetscMaxSum(MPI_Comm comm,const PetscInt sizes[],PetscInt *max,PetscInt *sum) 213 { 214 PetscErrorCode ierr; 215 216 PetscFunctionBegin; 217 #if defined(PETSC_HAVE_MPI_REDUCE_SCATTER_BLOCK) 218 { 219 struct {PetscInt max,sum;} work; 220 ierr = MPI_Reduce_scatter_block((void*)sizes,&work,1,MPIU_2INT,PetscMaxSum_Op,comm);CHKERRQ(ierr); 221 *max = work.max; 222 *sum = work.sum; 223 } 224 #else 225 { 226 PetscMPIInt size,rank; 227 struct {PetscInt max,sum;} *work; 228 ierr = MPI_Comm_size(comm,&size);CHKERRQ(ierr); 229 ierr = MPI_Comm_rank(comm,&rank);CHKERRQ(ierr); 230 ierr = PetscMalloc1(size,&work);CHKERRQ(ierr); 231 ierr = MPI_Allreduce((void*)sizes,work,size,MPIU_2INT,PetscMaxSum_Op,comm);CHKERRQ(ierr); 232 *max = work[rank].max; 233 *sum = work[rank].sum; 234 ierr = PetscFree(work);CHKERRQ(ierr); 235 } 236 #endif 237 PetscFunctionReturn(0); 238 } 239 240 /* ----------------------------------------------------------------------------*/ 241 242 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) 243 MPI_Op MPIU_SUM = 0; 244 245 #undef __FUNCT__ 246 #define __FUNCT__ "PetscSum_Local" 247 PETSC_EXTERN void PetscSum_Local(void *in,void *out,PetscMPIInt *cnt,MPI_Datatype *datatype) 248 { 249 PetscInt i,count = *cnt; 250 251 PetscFunctionBegin; 252 if (*datatype == MPIU_REAL) { 253 PetscReal *xin = (PetscReal*)in,*xout = (PetscReal*)out; 254 for (i=0; i<count; i++) xout[i] += xin[i]; 255 } 256 #if defined(PETSC_HAVE_COMPLEX) 257 else if (*datatype == MPIU_COMPLEX) { 258 PetscComplex *xin = (PetscComplex*)in,*xout = (PetscComplex*)out; 259 for (i=0; i<count; i++) xout[i] += xin[i]; 260 } 261 #endif 262 else { 263 (*PetscErrorPrintf)("Can only handle MPIU_REAL or MPIU_COMPLEX data types"); 264 MPI_Abort(MPI_COMM_WORLD,1); 265 } 266 PetscFunctionReturnVoid(); 267 } 268 #endif 269 270 #if defined(PETSC_USE_REAL___FLOAT128) 271 MPI_Op MPIU_MAX = 0; 272 MPI_Op MPIU_MIN = 0; 273 274 #undef __FUNCT__ 275 #define __FUNCT__ "PetscMax_Local" 276 PETSC_EXTERN void PetscMax_Local(void *in,void *out,PetscMPIInt *cnt,MPI_Datatype *datatype) 277 { 278 PetscInt i,count = *cnt; 279 280 PetscFunctionBegin; 281 if (*datatype == MPIU_REAL) { 282 PetscReal *xin = (PetscReal*)in,*xout = (PetscReal*)out; 283 for (i=0; i<count; i++) xout[i] = PetscMax(xout[i],xin[i]); 284 } 285 #if defined(PETSC_HAVE_COMPLEX) 286 else if (*datatype == MPIU_COMPLEX) { 287 PetscComplex *xin = (PetscComplex*)in,*xout = (PetscComplex*)out; 288 for (i=0; i<count; i++) { 289 xout[i] = PetscRealPartComplex(xout[i])<PetscRealPartComplex(xin[i]) ? xin[i] : xout[i]; 290 } 291 } 292 #endif 293 else { 294 (*PetscErrorPrintf)("Can only handle MPIU_REAL or MPIU_COMPLEX data types"); 295 MPI_Abort(MPI_COMM_WORLD,1); 296 } 297 PetscFunctionReturnVoid(); 298 } 299 300 #undef __FUNCT__ 301 #define __FUNCT__ "PetscMin_Local" 302 PETSC_EXTERN void PetscMin_Local(void *in,void *out,PetscMPIInt *cnt,MPI_Datatype *datatype) 303 { 304 PetscInt i,count = *cnt; 305 306 PetscFunctionBegin; 307 if (*datatype == MPIU_REAL) { 308 PetscReal *xin = (PetscReal*)in,*xout = (PetscReal*)out; 309 for (i=0; i<count; i++) xout[i] = PetscMin(xout[i],xin[i]); 310 } 311 #if defined(PETSC_HAVE_COMPLEX) 312 else if (*datatype == MPIU_COMPLEX) { 313 PetscComplex *xin = (PetscComplex*)in,*xout = (PetscComplex*)out; 314 for (i=0; i<count; i++) { 315 xout[i] = PetscRealPartComplex(xout[i])>PetscRealPartComplex(xin[i]) ? xin[i] : xout[i]; 316 } 317 } 318 #endif 319 else { 320 (*PetscErrorPrintf)("Can only handle MPIU_REAL or MPIU_SCALAR data (i.e. double or complex) types"); 321 MPI_Abort(MPI_COMM_WORLD,1); 322 } 323 PetscFunctionReturnVoid(); 324 } 325 #endif 326 327 #undef __FUNCT__ 328 #define __FUNCT__ "Petsc_DelCounter" 329 /* 330 Private routine to delete internal tag/name counter storage when a communicator is freed. 331 332 This is called by MPI, not by users. This is called by MPI_Comm_free() when the communicator that has this data as an attribute is freed. 333 334 Note: this is declared extern "C" because it is passed to MPI_Keyval_create() 335 336 */ 337 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelCounter(MPI_Comm comm,PetscMPIInt keyval,void *count_val,void *extra_state) 338 { 339 PetscErrorCode ierr; 340 341 PetscFunctionBegin; 342 ierr = PetscInfo1(0,"Deleting counter data in an MPI_Comm %ld\n",(long)comm);if (ierr) PetscFunctionReturn((PetscMPIInt)ierr); 343 ierr = PetscFree(count_val);if (ierr) PetscFunctionReturn((PetscMPIInt)ierr); 344 PetscFunctionReturn(MPI_SUCCESS); 345 } 346 347 #undef __FUNCT__ 348 #define __FUNCT__ "Petsc_DelComm_Outer" 349 /* 350 This is invoked on the outer comm as a result of either PetscCommDestroy() (via MPI_Attr_delete) or when the user 351 calls MPI_Comm_free(). 352 353 This is the only entry point for breaking the links between inner and outer comms. 354 355 This is called by MPI, not by users. This is called when MPI_Comm_free() is called on the communicator. 356 357 Note: this is declared extern "C" because it is passed to MPI_Keyval_create() 358 359 */ 360 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelComm_Outer(MPI_Comm comm,PetscMPIInt keyval,void *attr_val,void *extra_state) 361 { 362 PetscErrorCode ierr; 363 PetscMPIInt flg; 364 union {MPI_Comm comm; void *ptr;} icomm,ocomm; 365 366 PetscFunctionBegin; 367 if (keyval != Petsc_InnerComm_keyval) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Unexpected keyval"); 368 icomm.ptr = attr_val; 369 370 ierr = MPI_Attr_get(icomm.comm,Petsc_OuterComm_keyval,&ocomm,&flg);CHKERRQ(ierr); 371 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm does not have expected reference to outer comm"); 372 if (ocomm.comm != comm) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm has reference to non-matching outer comm"); 373 ierr = MPI_Attr_delete(icomm.comm,Petsc_OuterComm_keyval);CHKERRQ(ierr); /* Calls Petsc_DelComm_Inner */ 374 ierr = PetscInfo1(0,"User MPI_Comm %ld is being freed after removing reference from inner PETSc comm to this outer comm\n",(long)comm);if (ierr) PetscFunctionReturn((PetscMPIInt)ierr); 375 PetscFunctionReturn(MPI_SUCCESS); 376 } 377 378 #undef __FUNCT__ 379 #define __FUNCT__ "Petsc_DelComm_Inner" 380 /* 381 * This is invoked on the inner comm when Petsc_DelComm_Outer calls MPI_Attr_delete. It should not be reached any other way. 382 */ 383 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelComm_Inner(MPI_Comm comm,PetscMPIInt keyval,void *attr_val,void *extra_state) 384 { 385 PetscErrorCode ierr; 386 387 PetscFunctionBegin; 388 ierr = PetscInfo1(0,"Removing reference to PETSc communicator embedded in a user MPI_Comm %ld\n",(long)comm);if (ierr) PetscFunctionReturn((PetscMPIInt)ierr); 389 PetscFunctionReturn(MPI_SUCCESS); 390 } 391 392 #if defined(PETSC_USE_PETSC_MPI_EXTERNAL32) 393 #if !defined(PETSC_WORDS_BIGENDIAN) 394 PETSC_EXTERN PetscMPIInt PetscDataRep_extent_fn(MPI_Datatype,MPI_Aint*,void*); 395 PETSC_EXTERN PetscMPIInt PetscDataRep_read_conv_fn(void*, MPI_Datatype,PetscMPIInt,void*,MPI_Offset,void*); 396 PETSC_EXTERN PetscMPIInt PetscDataRep_write_conv_fn(void*, MPI_Datatype,PetscMPIInt,void*,MPI_Offset,void*); 397 #endif 398 #endif 399 400 int PetscGlobalArgc = 0; 401 char **PetscGlobalArgs = 0; 402 PetscSegBuffer PetscCitationsList; 403 404 #undef __FUNCT__ 405 #define __FUNCT__ "PetscCitationsInitialize" 406 PetscErrorCode PetscCitationsInitialize() 407 { 408 PetscErrorCode ierr; 409 410 PetscFunctionBegin; 411 ierr = PetscSegBufferCreate(1,10000,&PetscCitationsList);CHKERRQ(ierr); 412 ierr = PetscCitationsRegister("@TechReport{petsc-user-ref,\n Author = {Satish Balay and Shrirang Abhyankar and Mark F. Adams and Jed Brown and Peter Brune\n and Kris Buschelman and Lisandro Dalcin and Victor Eijkhout and William D. Gropp\n and Dinesh Kaushik and Matthew G. Knepley\n and Lois Curfman McInnes and Karl Rupp and Barry F. Smith\n and Stefano Zampini and Hong Zhang},\n Title = {{PETS}c Users Manual},\n Number = {ANL-95/11 - Revision 3.6},\n Institution = {Argonne National Laboratory},\n Year = {2015}\n}\n",NULL);CHKERRQ(ierr); 413 ierr = PetscCitationsRegister("@InProceedings{petsc-efficient,\n Author = {Satish Balay and William D. Gropp and Lois Curfman McInnes and Barry F. Smith},\n Title = {Efficient Management of Parallelism in Object Oriented Numerical Software Libraries},\n Booktitle = {Modern Software Tools in Scientific Computing},\n Editor = {E. Arge and A. M. Bruaset and H. P. Langtangen},\n Pages = {163--202},\n Publisher = {Birkh{\\\"{a}}user Press},\n Year = {1997}\n}\n",NULL);CHKERRQ(ierr); 414 PetscFunctionReturn(0); 415 } 416 417 #undef __FUNCT__ 418 #define __FUNCT__ "PetscGetArgs" 419 /*@C 420 PetscGetArgs - Allows you to access the raw command line arguments anywhere 421 after PetscInitialize() is called but before PetscFinalize(). 422 423 Not Collective 424 425 Output Parameters: 426 + argc - count of number of command line arguments 427 - args - the command line arguments 428 429 Level: intermediate 430 431 Notes: 432 This is usually used to pass the command line arguments into other libraries 433 that are called internally deep in PETSc or the application. 434 435 The first argument contains the program name as is normal for C arguments. 436 437 Concepts: command line arguments 438 439 .seealso: PetscFinalize(), PetscInitializeFortran(), PetscGetArguments() 440 441 @*/ 442 PetscErrorCode PetscGetArgs(int *argc,char ***args) 443 { 444 PetscFunctionBegin; 445 if (!PetscInitializeCalled && PetscFinalizeCalled) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ORDER,"You must call after PetscInitialize() but before PetscFinalize()"); 446 *argc = PetscGlobalArgc; 447 *args = PetscGlobalArgs; 448 PetscFunctionReturn(0); 449 } 450 451 #undef __FUNCT__ 452 #define __FUNCT__ "PetscGetArguments" 453 /*@C 454 PetscGetArguments - Allows you to access the command line arguments anywhere 455 after PetscInitialize() is called but before PetscFinalize(). 456 457 Not Collective 458 459 Output Parameters: 460 . args - the command line arguments 461 462 Level: intermediate 463 464 Notes: 465 This does NOT start with the program name and IS null terminated (final arg is void) 466 467 Concepts: command line arguments 468 469 .seealso: PetscFinalize(), PetscInitializeFortran(), PetscGetArgs(), PetscFreeArguments() 470 471 @*/ 472 PetscErrorCode PetscGetArguments(char ***args) 473 { 474 PetscInt i,argc = PetscGlobalArgc; 475 PetscErrorCode ierr; 476 477 PetscFunctionBegin; 478 if (!PetscInitializeCalled && PetscFinalizeCalled) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ORDER,"You must call after PetscInitialize() but before PetscFinalize()"); 479 if (!argc) {*args = 0; PetscFunctionReturn(0);} 480 ierr = PetscMalloc1(argc,args);CHKERRQ(ierr); 481 for (i=0; i<argc-1; i++) { 482 ierr = PetscStrallocpy(PetscGlobalArgs[i+1],&(*args)[i]);CHKERRQ(ierr); 483 } 484 (*args)[argc-1] = 0; 485 PetscFunctionReturn(0); 486 } 487 488 #undef __FUNCT__ 489 #define __FUNCT__ "PetscFreeArguments" 490 /*@C 491 PetscFreeArguments - Frees the memory obtained with PetscGetArguments() 492 493 Not Collective 494 495 Output Parameters: 496 . args - the command line arguments 497 498 Level: intermediate 499 500 Concepts: command line arguments 501 502 .seealso: PetscFinalize(), PetscInitializeFortran(), PetscGetArgs(), PetscGetArguments() 503 504 @*/ 505 PetscErrorCode PetscFreeArguments(char **args) 506 { 507 PetscInt i = 0; 508 PetscErrorCode ierr; 509 510 PetscFunctionBegin; 511 if (!args) PetscFunctionReturn(0); 512 while (args[i]) { 513 ierr = PetscFree(args[i]);CHKERRQ(ierr); 514 i++; 515 } 516 ierr = PetscFree(args);CHKERRQ(ierr); 517 PetscFunctionReturn(0); 518 } 519 520 #if defined(PETSC_HAVE_SAWS) 521 #include <petscconfiginfo.h> 522 523 #undef __FUNCT__ 524 #define __FUNCT__ "PetscInitializeSAWs" 525 PetscErrorCode PetscInitializeSAWs(const char help[]) 526 { 527 if (!PetscGlobalRank) { 528 char cert[PETSC_MAX_PATH_LEN],root[PETSC_MAX_PATH_LEN],*intro,programname[64],*appline,*options,version[64]; 529 int port; 530 PetscBool flg,rootlocal = PETSC_FALSE,flg2; 531 size_t applinelen,introlen; 532 PetscErrorCode ierr; 533 /* char sawsurl[256]; */ 534 535 ierr = PetscOptionsHasName(NULL,"-saws_log",&flg);CHKERRQ(ierr); 536 if (flg) { 537 char sawslog[PETSC_MAX_PATH_LEN]; 538 539 ierr = PetscOptionsGetString(NULL,"-saws_log",sawslog,PETSC_MAX_PATH_LEN,NULL);CHKERRQ(ierr); 540 if (sawslog[0]) { 541 PetscStackCallSAWs(SAWs_Set_Use_Logfile,(sawslog)); 542 } else { 543 PetscStackCallSAWs(SAWs_Set_Use_Logfile,(NULL)); 544 } 545 } 546 ierr = PetscOptionsGetString(NULL,"-saws_https",cert,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr); 547 if (flg) { 548 PetscStackCallSAWs(SAWs_Set_Use_HTTPS,(cert)); 549 } 550 ierr = PetscOptionsGetInt(NULL,"-saws_port",&port,&flg);CHKERRQ(ierr); 551 if (flg) { 552 PetscStackCallSAWs(SAWs_Set_Port,(port)); 553 } 554 ierr = PetscOptionsGetString(NULL,"-saws_root",root,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr); 555 if (flg) { 556 PetscStackCallSAWs(SAWs_Set_Document_Root,(root));CHKERRQ(ierr); 557 ierr = PetscStrcmp(root,".",&rootlocal);CHKERRQ(ierr); 558 } else { 559 ierr = PetscOptionsHasName(NULL,"-saws_options",&flg);CHKERRQ(ierr); 560 if (flg) { 561 ierr = PetscStrreplace(PETSC_COMM_WORLD,"${PETSC_DIR}/share/petsc/saws",root,PETSC_MAX_PATH_LEN);CHKERRQ(ierr); 562 PetscStackCallSAWs(SAWs_Set_Document_Root,(root));CHKERRQ(ierr); 563 } 564 } 565 ierr = PetscOptionsHasName(NULL,"-saws_local",&flg2);CHKERRQ(ierr); 566 if (flg2) { 567 char jsdir[PETSC_MAX_PATH_LEN]; 568 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"-saws_local option requires -saws_root option"); 569 ierr = PetscSNPrintf(jsdir,PETSC_MAX_PATH_LEN,"%s/js",root);CHKERRQ(ierr); 570 ierr = PetscTestDirectory(jsdir,'r',&flg);CHKERRQ(ierr); 571 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_FILE_READ,"-saws_local option requires js directory in root directory"); 572 PetscStackCallSAWs(SAWs_Push_Local_Header,());CHKERRQ(ierr); 573 } 574 ierr = PetscGetProgramName(programname,64);CHKERRQ(ierr); 575 ierr = PetscStrlen(help,&applinelen);CHKERRQ(ierr); 576 introlen = 4096 + applinelen; 577 applinelen += 1024; 578 ierr = PetscMalloc(applinelen,&appline);CHKERRQ(ierr); 579 ierr = PetscMalloc(introlen,&intro);CHKERRQ(ierr); 580 581 if (rootlocal) { 582 ierr = PetscSNPrintf(appline,applinelen,"%s.c.html",programname);CHKERRQ(ierr); 583 ierr = PetscTestFile(appline,'r',&rootlocal);CHKERRQ(ierr); 584 } 585 ierr = PetscOptionsGetAll(&options);CHKERRQ(ierr); 586 if (rootlocal && help) { 587 ierr = PetscSNPrintf(appline,applinelen,"<center> Running <a href=\"%s.c.html\">%s</a> %s</center><br><center><pre>%s</pre></center><br>\n",programname,programname,options,help); 588 } else if (help) { 589 ierr = PetscSNPrintf(appline,applinelen,"<center>Running %s %s</center><br><center><pre>%s</pre></center><br>",programname,options,help); 590 } else { 591 ierr = PetscSNPrintf(appline,applinelen,"<center> Running %s %s</center><br>\n",programname,options); 592 } 593 ierr = PetscFree(options);CHKERRQ(ierr); 594 ierr = PetscGetVersion(version,sizeof(version));CHKERRQ(ierr); 595 ierr = PetscSNPrintf(intro,introlen,"<body>\n" 596 "<center><h2> <a href=\"http://www.mcs.anl.gov/petsc\">PETSc</a> Application Web server powered by <a href=\"https://bitbucket.org/saws/saws\">SAWs</a> </h2></center>\n" 597 "<center>This is the default PETSc application dashboard, from it you can access any published PETSc objects or logging data</center><br><center>%s configured with %s</center><br>\n" 598 "%s",version,petscconfigureoptions,appline); 599 PetscStackCallSAWs(SAWs_Push_Body,("index.html",0,intro)); 600 ierr = PetscFree(intro);CHKERRQ(ierr); 601 ierr = PetscFree(appline);CHKERRQ(ierr); 602 PetscStackCallSAWs(SAWs_Initialize,()); 603 /* PetscStackCallSAWs(SAWs_Get_FullURL,(sizeof(sawsurl),sawsurl)); 604 ierr = PetscPrintf(PETSC_COMM_WORLD,"Point your browser to %s for SAWs\n",sawsurl);CHKERRQ(ierr); */ 605 ierr = PetscCitationsRegister("@TechReport{ saws,\n" 606 " Author = {Matt Otten and Jed Brown and Barry Smith},\n" 607 " Title = {Scientific Application Web Server (SAWs) Users Manual},\n" 608 " Institution = {Argonne National Laboratory},\n" 609 " Year = 2013\n}\n",NULL);CHKERRQ(ierr); 610 } 611 PetscFunctionReturn(0); 612 } 613 #endif 614 615 #undef __FUNCT__ 616 #define __FUNCT__ "PetscInitialize" 617 /*@C 618 PetscInitialize - Initializes the PETSc database and MPI. 619 PetscInitialize() calls MPI_Init() if that has yet to be called, 620 so this routine should always be called near the beginning of 621 your program -- usually the very first line! 622 623 Collective on MPI_COMM_WORLD or PETSC_COMM_WORLD if it has been set 624 625 Input Parameters: 626 + argc - count of number of command line arguments 627 . args - the command line arguments 628 . file - [optional] PETSc database file, also checks ~username/.petscrc and .petscrc use NULL to not check for 629 code specific file. Use -skip_petscrc in the code specific file to skip the .petscrc files 630 - help - [optional] Help message to print, use NULL for no message 631 632 If you wish PETSc code to run ONLY on a subcommunicator of MPI_COMM_WORLD, create that 633 communicator first and assign it to PETSC_COMM_WORLD BEFORE calling PetscInitialize(). Thus if you are running a 634 four process job and two processes will run PETSc and have PetscInitialize() and PetscFinalize() and two process will not, 635 then do this. If ALL processes in the job are using PetscInitialize() and PetscFinalize() then you don't need to do this, even 636 if different subcommunicators of the job are doing different things with PETSc. 637 638 Options Database Keys: 639 + -start_in_debugger [noxterm,dbx,xdb,gdb,...] - Starts program in debugger 640 . -on_error_attach_debugger [noxterm,dbx,xdb,gdb,...] - Starts debugger when error detected 641 . -on_error_emacs <machinename> causes emacsclient to jump to error file 642 . -on_error_abort calls abort() when error detected (no traceback) 643 . -on_error_mpiabort calls MPI_abort() when error detected 644 . -error_output_stderr prints error messages to stderr instead of the default stdout 645 . -error_output_none does not print the error messages (but handles errors in the same way as if this was not called) 646 . -debugger_nodes [node1,node2,...] - Indicates nodes to start in debugger 647 . -debugger_pause [sleeptime] (in seconds) - Pauses debugger 648 . -stop_for_debugger - Print message on how to attach debugger manually to 649 process and wait (-debugger_pause) seconds for attachment 650 . -malloc - Indicates use of PETSc error-checking malloc (on by default for debug version of libraries) 651 . -malloc no - Indicates not to use error-checking malloc 652 . -malloc_debug - check for memory corruption at EVERY malloc or free 653 . -malloc_dump - prints a list of all unfreed memory at the end of the run 654 . -malloc_test - like -malloc_dump -malloc_debug, but only active for debugging builds 655 . -fp_trap - Stops on floating point exceptions (Note that on the 656 IBM RS6000 this slows code by at least a factor of 10.) 657 . -no_signal_handler - Indicates not to trap error signals 658 . -shared_tmp - indicates /tmp directory is shared by all processors 659 . -not_shared_tmp - each processor has own /tmp 660 . -tmp - alternative name of /tmp directory 661 . -get_total_flops - returns total flops done by all processors 662 - -memory_view - Print memory usage at end of run 663 664 Options Database Keys for Profiling: 665 See Users-Manual: ch_profiling for details. 666 + -info <optional filename> - Prints verbose information to the screen 667 . -info_exclude <null,vec,mat,pc,ksp,snes,ts> - Excludes some of the verbose messages 668 . -log_sync - Log the synchronization in scatters, inner products and norms 669 . -log_trace [filename] - Print traces of all PETSc calls to the screen (useful to determine where a program 670 hangs without running in the debugger). See PetscLogTraceBegin(). 671 . -log_summary [filename] - Prints summary of flop and timing information to screen. If the filename is specified the 672 summary is written to the file. See PetscLogView(). 673 . -log_all [filename] - Logs extensive profiling information See PetscLogDump(). 674 . -log [filename] - Logs basic profiline information See PetscLogDump(). 675 - -log_mpe [filename] - Creates a logfile viewable by the utility Jumpshot (in MPICH distribution) 676 677 Only one of -log_trace, -log_summary, -log_all, -log, or -log_mpe may be used at a time 678 679 Environmental Variables: 680 + PETSC_TMP - alternative tmp directory 681 . PETSC_SHARED_TMP - tmp is shared by all processes 682 . PETSC_NOT_SHARED_TMP - each process has its own private tmp 683 . PETSC_VIEWER_SOCKET_PORT - socket number to use for socket viewer 684 - PETSC_VIEWER_SOCKET_MACHINE - machine to use for socket viewer to connect to 685 686 687 Level: beginner 688 689 Notes: 690 If for some reason you must call MPI_Init() separately, call 691 it before PetscInitialize(). 692 693 Fortran Version: 694 In Fortran this routine has the format 695 $ call PetscInitialize(file,ierr) 696 697 + ierr - error return code 698 - file - [optional] PETSc database file, also checks ~username/.petscrc and .petscrc use PETSC_NULL_CHARACTER to not check for 699 code specific file. Use -skip_petscrc in the code specific file to skip the .petscrc files 700 701 Important Fortran Note: 702 In Fortran, you MUST use PETSC_NULL_CHARACTER to indicate a 703 null character string; you CANNOT just use NULL as 704 in the C version. See Users-Manual: ch_fortran for details. 705 706 If your main program is C but you call Fortran code that also uses PETSc you need to call PetscInitializeFortran() soon after 707 calling PetscInitialize(). 708 709 Concepts: initializing PETSc 710 711 .seealso: PetscFinalize(), PetscInitializeFortran(), PetscGetArgs(), PetscInitializeNoArguments() 712 713 @*/ 714 PetscErrorCode PetscInitialize(int *argc,char ***args,const char file[],const char help[]) 715 { 716 PetscErrorCode ierr; 717 PetscMPIInt flag, size; 718 PetscBool flg; 719 char hostname[256]; 720 721 PetscFunctionBegin; 722 if (PetscInitializeCalled) PetscFunctionReturn(0); 723 724 /* these must be initialized in a routine, not as a constant declaration*/ 725 PETSC_STDOUT = stdout; 726 PETSC_STDERR = stderr; 727 728 /* on Windows - set printf to default to printing 2 digit exponents */ 729 #if defined(PETSC_HAVE__SET_OUTPUT_FORMAT) 730 _set_output_format(_TWO_DIGIT_EXPONENT); 731 #endif 732 733 ierr = PetscOptionsCreate();CHKERRQ(ierr); 734 735 /* 736 We initialize the program name here (before MPI_Init()) because MPICH has a bug in 737 it that it sets args[0] on all processors to be args[0] on the first processor. 738 */ 739 if (argc && *argc) { 740 ierr = PetscSetProgramName(**args);CHKERRQ(ierr); 741 } else { 742 ierr = PetscSetProgramName("Unknown Name");CHKERRQ(ierr); 743 } 744 745 ierr = MPI_Initialized(&flag);CHKERRQ(ierr); 746 if (!flag) { 747 if (PETSC_COMM_WORLD != MPI_COMM_NULL) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"You cannot set PETSC_COMM_WORLD if you have not initialized MPI first"); 748 #if defined(PETSC_HAVE_MPI_INIT_THREAD) 749 { 750 PetscMPIInt provided; 751 ierr = MPI_Init_thread(argc,args,MPI_THREAD_FUNNELED,&provided);CHKERRQ(ierr); 752 } 753 #else 754 ierr = MPI_Init(argc,args);CHKERRQ(ierr); 755 #endif 756 PetscBeganMPI = PETSC_TRUE; 757 } 758 if (argc && args) { 759 PetscGlobalArgc = *argc; 760 PetscGlobalArgs = *args; 761 } 762 PetscFinalizeCalled = PETSC_FALSE; 763 ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLock);CHKERRQ(ierr); 764 ierr = PetscSpinlockCreate(&PetscCommSpinLock);CHKERRQ(ierr); 765 766 if (PETSC_COMM_WORLD == MPI_COMM_NULL) PETSC_COMM_WORLD = MPI_COMM_WORLD; 767 ierr = MPI_Comm_set_errhandler(PETSC_COMM_WORLD,MPI_ERRORS_RETURN);CHKERRQ(ierr); 768 769 /* Done after init due to a bug in MPICH-GM? */ 770 ierr = PetscErrorPrintfInitialize();CHKERRQ(ierr); 771 772 ierr = MPI_Comm_rank(MPI_COMM_WORLD,&PetscGlobalRank);CHKERRQ(ierr); 773 ierr = MPI_Comm_size(MPI_COMM_WORLD,&PetscGlobalSize);CHKERRQ(ierr); 774 775 MPIU_BOOL = MPI_INT; 776 MPIU_ENUM = MPI_INT; 777 778 /* 779 Initialized the global complex variable; this is because with 780 shared libraries the constructors for global variables 781 are not called; at least on IRIX. 782 */ 783 #if defined(PETSC_HAVE_COMPLEX) 784 { 785 #if defined(PETSC_CLANGUAGE_CXX) 786 PetscComplex ic(0.0,1.0); 787 PETSC_i = ic; 788 #elif defined(PETSC_CLANGUAGE_C) 789 PETSC_i = _Complex_I; 790 #endif 791 } 792 793 #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX) 794 ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU_C_DOUBLE_COMPLEX);CHKERRQ(ierr); 795 ierr = MPI_Type_commit(&MPIU_C_DOUBLE_COMPLEX);CHKERRQ(ierr); 796 ierr = MPI_Type_contiguous(2,MPI_FLOAT,&MPIU_C_COMPLEX);CHKERRQ(ierr); 797 ierr = MPI_Type_commit(&MPIU_C_COMPLEX);CHKERRQ(ierr); 798 #endif 799 #endif /* PETSC_HAVE_COMPLEX */ 800 801 /* 802 Create the PETSc MPI reduction operator that sums of the first 803 half of the entries and maxes the second half. 804 */ 805 ierr = MPI_Op_create(PetscMaxSum_Local,1,&PetscMaxSum_Op);CHKERRQ(ierr); 806 807 #if defined(PETSC_USE_REAL___FLOAT128) 808 ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU___FLOAT128);CHKERRQ(ierr); 809 ierr = MPI_Type_commit(&MPIU___FLOAT128);CHKERRQ(ierr); 810 #if defined(PETSC_HAVE_COMPLEX) 811 ierr = MPI_Type_contiguous(4,MPI_DOUBLE,&MPIU___COMPLEX128);CHKERRQ(ierr); 812 ierr = MPI_Type_commit(&MPIU___COMPLEX128);CHKERRQ(ierr); 813 #endif 814 ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);CHKERRQ(ierr); 815 ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);CHKERRQ(ierr); 816 #endif 817 818 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) 819 ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);CHKERRQ(ierr); 820 #endif 821 822 ierr = MPI_Type_contiguous(2,MPIU_SCALAR,&MPIU_2SCALAR);CHKERRQ(ierr); 823 ierr = MPI_Type_commit(&MPIU_2SCALAR);CHKERRQ(ierr); 824 825 #if defined(PETSC_USE_64BIT_INDICES) || !defined(MPI_2INT) 826 ierr = MPI_Type_contiguous(2,MPIU_INT,&MPIU_2INT);CHKERRQ(ierr); 827 ierr = MPI_Type_commit(&MPIU_2INT);CHKERRQ(ierr); 828 #endif 829 830 831 /* 832 Attributes to be set on PETSc communicators 833 */ 834 ierr = MPI_Keyval_create(MPI_NULL_COPY_FN,Petsc_DelCounter,&Petsc_Counter_keyval,(void*)0);CHKERRQ(ierr); 835 ierr = MPI_Keyval_create(MPI_NULL_COPY_FN,Petsc_DelComm_Outer,&Petsc_InnerComm_keyval,(void*)0);CHKERRQ(ierr); 836 ierr = MPI_Keyval_create(MPI_NULL_COPY_FN,Petsc_DelComm_Inner,&Petsc_OuterComm_keyval,(void*)0);CHKERRQ(ierr); 837 838 /* 839 Build the options database 840 */ 841 ierr = PetscOptionsInsert(argc,args,file);CHKERRQ(ierr); 842 843 844 /* 845 Print main application help message 846 */ 847 ierr = PetscOptionsHasName(NULL,"-help",&flg);CHKERRQ(ierr); 848 if (help && flg) { 849 ierr = PetscPrintf(PETSC_COMM_WORLD,help);CHKERRQ(ierr); 850 } 851 ierr = PetscOptionsCheckInitial_Private();CHKERRQ(ierr); 852 853 ierr = PetscCitationsInitialize();CHKERRQ(ierr); 854 855 #if defined(PETSC_HAVE_SAWS) 856 ierr = PetscInitializeSAWs(help);CHKERRQ(ierr); 857 #endif 858 859 /* Creates the logging data structures; this is enabled even if logging is not turned on */ 860 #if defined(PETSC_USE_LOG) 861 ierr = PetscLogInitialize();CHKERRQ(ierr); 862 #endif 863 864 /* 865 Load the dynamic libraries (on machines that support them), this registers all 866 the solvers etc. (On non-dynamic machines this initializes the PetscDraw and PetscViewer classes) 867 */ 868 ierr = PetscInitialize_DynamicLibraries();CHKERRQ(ierr); 869 870 ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr); 871 ierr = PetscInfo1(0,"PETSc successfully started: number of processors = %d\n",size);CHKERRQ(ierr); 872 ierr = PetscGetHostName(hostname,256);CHKERRQ(ierr); 873 ierr = PetscInfo1(0,"Running on machine: %s\n",hostname);CHKERRQ(ierr); 874 875 ierr = PetscOptionsCheckInitial_Components();CHKERRQ(ierr); 876 /* Check the options database for options related to the options database itself */ 877 ierr = PetscOptionsSetFromOptions();CHKERRQ(ierr); 878 879 #if defined(PETSC_USE_PETSC_MPI_EXTERNAL32) 880 /* 881 Tell MPI about our own data representation converter, this would/should be used if extern32 is not supported by the MPI 882 883 Currently not used because it is not supported by MPICH. 884 */ 885 #if !defined(PETSC_WORDS_BIGENDIAN) 886 ierr = MPI_Register_datarep((char*)"petsc",PetscDataRep_read_conv_fn,PetscDataRep_write_conv_fn,PetscDataRep_extent_fn,NULL);CHKERRQ(ierr); 887 #endif 888 #endif 889 890 #if defined(PETSC_HAVE_CUDA) 891 flg = PETSC_TRUE; 892 ierr = PetscOptionsGetBool(NULL,"-cublas",&flg,NULL);CHKERRQ(ierr); 893 if (flg) { 894 PetscMPIInt p; 895 for (p = 0; p < PetscGlobalSize; ++p) { 896 if (p == PetscGlobalRank) cublasInit(); 897 ierr = MPI_Barrier(PETSC_COMM_WORLD);CHKERRQ(ierr); 898 } 899 } 900 #endif 901 902 ierr = PetscOptionsHasName(NULL,"-python",&flg);CHKERRQ(ierr); 903 if (flg) { 904 PetscInitializeCalled = PETSC_TRUE; 905 ierr = PetscPythonInitialize(NULL,NULL);CHKERRQ(ierr); 906 } 907 908 /* 909 Setup building of stack frames for all function calls 910 */ 911 #if defined(PETSC_USE_DEBUG) && !defined(PETSC_HAVE_THREADSAFETY) 912 ierr = PetscStackCreate();CHKERRQ(ierr); 913 #endif 914 915 #if defined(PETSC_SERIALIZE_FUNCTIONS) 916 ierr = PetscFPTCreate(10000);CHKERRQ(ierr); 917 #endif 918 919 920 /* 921 Once we are completedly initialized then we can set this variables 922 */ 923 PetscInitializeCalled = PETSC_TRUE; 924 PetscFunctionReturn(0); 925 } 926 927 #if defined(PETSC_USE_LOG) 928 extern PetscObject *PetscObjects; 929 extern PetscInt PetscObjectsCounts, PetscObjectsMaxCounts; 930 extern PetscBool PetscObjectsLog; 931 #endif 932 933 #undef __FUNCT__ 934 #define __FUNCT__ "PetscFinalize" 935 /*@C 936 PetscFinalize - Checks for options to be called at the conclusion 937 of the program. MPI_Finalize() is called only if the user had not 938 called MPI_Init() before calling PetscInitialize(). 939 940 Collective on PETSC_COMM_WORLD 941 942 Options Database Keys: 943 + -options_table - Calls PetscOptionsView() 944 . -options_left - Prints unused options that remain in the database 945 . -objects_dump [all] - Prints list of objects allocated by the user that have not been freed, the option all cause all outstanding objects to be listed 946 . -mpidump - Calls PetscMPIDump() 947 . -malloc_dump - Calls PetscMallocDump() 948 . -malloc_info - Prints total memory usage 949 - -malloc_log - Prints summary of memory usage 950 951 Level: beginner 952 953 Note: 954 See PetscInitialize() for more general runtime options. 955 956 .seealso: PetscInitialize(), PetscOptionsView(), PetscMallocDump(), PetscMPIDump(), PetscEnd() 957 @*/ 958 PetscErrorCode PetscFinalize(void) 959 { 960 PetscErrorCode ierr; 961 PetscMPIInt rank; 962 PetscInt nopt; 963 PetscBool flg1 = PETSC_FALSE,flg2 = PETSC_FALSE,flg3 = PETSC_FALSE; 964 PetscBool flg; 965 #if defined(PETSC_USE_LOG) 966 char mname[PETSC_MAX_PATH_LEN]; 967 #endif 968 969 PetscFunctionBegin; 970 if (!PetscInitializeCalled) { 971 printf("PetscInitialize() must be called before PetscFinalize()\n"); 972 PetscFunctionReturn(PETSC_ERR_ARG_WRONGSTATE); 973 } 974 ierr = PetscInfo(NULL,"PetscFinalize() called\n");CHKERRQ(ierr); 975 976 ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr); 977 978 ierr = PetscOptionsHasName(NULL,"-citations",&flg);CHKERRQ(ierr); 979 if (flg) { 980 char *cits, filename[PETSC_MAX_PATH_LEN]; 981 FILE *fd = PETSC_STDOUT; 982 983 ierr = PetscOptionsGetString(NULL,"-citations",filename,PETSC_MAX_PATH_LEN,NULL);CHKERRQ(ierr); 984 if (filename[0]) { 985 ierr = PetscFOpen(PETSC_COMM_WORLD,filename,"w",&fd);CHKERRQ(ierr); 986 } 987 ierr = PetscSegBufferGet(PetscCitationsList,1,&cits);CHKERRQ(ierr); 988 cits[0] = 0; 989 ierr = PetscSegBufferExtractAlloc(PetscCitationsList,&cits);CHKERRQ(ierr); 990 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"If you publish results based on this computation please cite the following:\n");CHKERRQ(ierr); 991 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"===========================================================================\n");CHKERRQ(ierr); 992 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"%s",cits);CHKERRQ(ierr); 993 ierr = PetscFPrintf(PETSC_COMM_WORLD,fd,"===========================================================================\n");CHKERRQ(ierr); 994 ierr = PetscFClose(PETSC_COMM_WORLD,fd);CHKERRQ(ierr); 995 ierr = PetscFree(cits);CHKERRQ(ierr); 996 } 997 ierr = PetscSegBufferDestroy(&PetscCitationsList);CHKERRQ(ierr); 998 999 #if defined(PETSC_HAVE_SSL) && defined(PETSC_USE_SOCKET_VIEWER) 1000 /* TextBelt is run for testing purposes only, please do not use this feature often */ 1001 { 1002 PetscInt nmax = 2; 1003 char **buffs; 1004 ierr = PetscMalloc1(2,&buffs);CHKERRQ(ierr); 1005 ierr = PetscOptionsGetStringArray(NULL,"-textbelt",buffs,&nmax,&flg1);CHKERRQ(ierr); 1006 if (flg1) { 1007 if (!nmax) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_USER,"-textbelt requires either the phone number or number,\"message\""); 1008 if (nmax == 1) { 1009 ierr = PetscMalloc1(128,&buffs[1]);CHKERRQ(ierr); 1010 ierr = PetscGetProgramName(buffs[1],32);CHKERRQ(ierr); 1011 ierr = PetscStrcat(buffs[1]," has completed");CHKERRQ(ierr); 1012 } 1013 ierr = PetscTextBelt(PETSC_COMM_WORLD,buffs[0],buffs[1],NULL);CHKERRQ(ierr); 1014 ierr = PetscFree(buffs[0]);CHKERRQ(ierr); 1015 ierr = PetscFree(buffs[1]);CHKERRQ(ierr); 1016 } 1017 ierr = PetscFree(buffs);CHKERRQ(ierr); 1018 } 1019 #endif 1020 /* 1021 It should be safe to cancel the options monitors, since we don't expect to be setting options 1022 here (at least that are worth monitoring). Monitors ought to be released so that they release 1023 whatever memory was allocated there before -malloc_dump reports unfreed memory. 1024 */ 1025 ierr = PetscOptionsMonitorCancel();CHKERRQ(ierr); 1026 1027 #if defined(PETSC_SERIALIZE_FUNCTIONS) 1028 ierr = PetscFPTDestroy();CHKERRQ(ierr); 1029 #endif 1030 1031 1032 #if defined(PETSC_HAVE_SAWS) 1033 flg = PETSC_FALSE; 1034 ierr = PetscOptionsGetBool(NULL,"-saw_options",&flg,NULL);CHKERRQ(ierr); 1035 if (flg) { 1036 ierr = PetscOptionsSAWsDestroy();CHKERRQ(ierr); 1037 } 1038 #endif 1039 1040 #if defined(PETSC_HAVE_X) 1041 flg1 = PETSC_FALSE; 1042 ierr = PetscOptionsGetBool(NULL,"-x_virtual",&flg1,NULL);CHKERRQ(ierr); 1043 if (flg1) { 1044 /* this is a crude hack, but better than nothing */ 1045 ierr = PetscPOpen(PETSC_COMM_WORLD,NULL,"pkill -9 Xvfb","r",NULL);CHKERRQ(ierr); 1046 } 1047 #endif 1048 1049 #if !defined(PETSC_HAVE_THREADSAFETY) 1050 ierr = PetscOptionsGetBool(NULL,"-malloc_info",&flg2,NULL);CHKERRQ(ierr); 1051 if (!flg2) { 1052 flg2 = PETSC_FALSE; 1053 ierr = PetscOptionsGetBool(NULL,"-memory_view",&flg2,NULL);CHKERRQ(ierr); 1054 } 1055 if (flg2) { 1056 ierr = PetscMemoryView(PETSC_VIEWER_STDOUT_WORLD,"Summary of Memory Usage in PETSc\n");CHKERRQ(ierr); 1057 } 1058 #endif 1059 1060 #if defined(PETSC_USE_LOG) 1061 flg1 = PETSC_FALSE; 1062 ierr = PetscOptionsGetBool(NULL,"-get_total_flops",&flg1,NULL);CHKERRQ(ierr); 1063 if (flg1) { 1064 PetscLogDouble flops = 0; 1065 ierr = MPI_Reduce(&petsc_TotalFlops,&flops,1,MPI_DOUBLE,MPI_SUM,0,PETSC_COMM_WORLD);CHKERRQ(ierr); 1066 ierr = PetscPrintf(PETSC_COMM_WORLD,"Total flops over all processors %g\n",flops);CHKERRQ(ierr); 1067 } 1068 #endif 1069 1070 1071 #if defined(PETSC_USE_LOG) 1072 #if defined(PETSC_HAVE_MPE) 1073 mname[0] = 0; 1074 1075 ierr = PetscOptionsGetString(NULL,"-log_mpe",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1076 if (flg1) { 1077 if (mname[0]) {ierr = PetscLogMPEDump(mname);CHKERRQ(ierr);} 1078 else {ierr = PetscLogMPEDump(0);CHKERRQ(ierr);} 1079 } 1080 #endif 1081 mname[0] = 0; 1082 1083 ierr = PetscLogViewFromOptions();CHKERRQ(ierr); 1084 ierr = PetscOptionsGetString(NULL,"-log_summary",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1085 if (flg1) { 1086 PetscViewer viewer; 1087 if (mname[0]) { 1088 ierr = PetscViewerASCIIOpen(PETSC_COMM_WORLD,mname,&viewer);CHKERRQ(ierr); 1089 ierr = PetscLogView(viewer);CHKERRQ(ierr); 1090 ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr); 1091 } else { 1092 viewer = PETSC_VIEWER_STDOUT_WORLD; 1093 ierr = PetscLogView(viewer);CHKERRQ(ierr); 1094 } 1095 } 1096 mname[0] = 0; 1097 1098 ierr = PetscOptionsGetString(NULL,"-log_all",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr); 1099 ierr = PetscOptionsGetString(NULL,"-log",mname,PETSC_MAX_PATH_LEN,&flg2);CHKERRQ(ierr); 1100 if (flg1 || flg2) { 1101 if (mname[0]) PetscLogDump(mname); 1102 else PetscLogDump(0); 1103 } 1104 #endif 1105 1106 /* 1107 Free all objects registered with PetscObjectRegisterDestroy() such as PETSC_VIEWER_XXX_(). 1108 */ 1109 ierr = PetscObjectRegisterDestroyAll();CHKERRQ(ierr); 1110 1111 ierr = PetscStackDestroy();CHKERRQ(ierr); 1112 1113 flg1 = PETSC_FALSE; 1114 ierr = PetscOptionsGetBool(NULL,"-no_signal_handler",&flg1,NULL);CHKERRQ(ierr); 1115 if (!flg1) { ierr = PetscPopSignalHandler();CHKERRQ(ierr);} 1116 flg1 = PETSC_FALSE; 1117 ierr = PetscOptionsGetBool(NULL,"-mpidump",&flg1,NULL);CHKERRQ(ierr); 1118 if (flg1) { 1119 ierr = PetscMPIDump(stdout);CHKERRQ(ierr); 1120 } 1121 flg1 = PETSC_FALSE; 1122 flg2 = PETSC_FALSE; 1123 /* preemptive call to avoid listing this option in options table as unused */ 1124 ierr = PetscOptionsHasName(NULL,"-malloc_dump",&flg1);CHKERRQ(ierr); 1125 ierr = PetscOptionsHasName(NULL,"-objects_dump",&flg1);CHKERRQ(ierr); 1126 ierr = PetscOptionsGetBool(NULL,"-options_view",&flg2,NULL);CHKERRQ(ierr); 1127 1128 if (flg2) { 1129 PetscViewer viewer; 1130 ierr = PetscViewerCreate(PETSC_COMM_WORLD,&viewer);CHKERRQ(ierr); 1131 ierr = PetscViewerSetType(viewer,PETSCVIEWERASCII);CHKERRQ(ierr); 1132 ierr = PetscOptionsView(viewer);CHKERRQ(ierr); 1133 ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr); 1134 } 1135 1136 /* to prevent PETSc -options_left from warning */ 1137 ierr = PetscOptionsHasName(NULL,"-nox",&flg1);CHKERRQ(ierr); 1138 ierr = PetscOptionsHasName(NULL,"-nox_warning",&flg1);CHKERRQ(ierr); 1139 1140 flg3 = PETSC_FALSE; /* default value is required */ 1141 ierr = PetscOptionsGetBool(NULL,"-options_left",&flg3,&flg1);CHKERRQ(ierr); 1142 ierr = PetscOptionsAllUsed(&nopt);CHKERRQ(ierr); 1143 if (flg3) { 1144 if (!flg2) { /* have not yet printed the options */ 1145 PetscViewer viewer; 1146 ierr = PetscViewerCreate(PETSC_COMM_WORLD,&viewer);CHKERRQ(ierr); 1147 ierr = PetscViewerSetType(viewer,PETSCVIEWERASCII);CHKERRQ(ierr); 1148 ierr = PetscOptionsView(viewer);CHKERRQ(ierr); 1149 ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr); 1150 } 1151 if (!nopt) { 1152 ierr = PetscPrintf(PETSC_COMM_WORLD,"There are no unused options.\n");CHKERRQ(ierr); 1153 } else if (nopt == 1) { 1154 ierr = PetscPrintf(PETSC_COMM_WORLD,"There is one unused database option. It is:\n");CHKERRQ(ierr); 1155 } else { 1156 ierr = PetscPrintf(PETSC_COMM_WORLD,"There are %D unused database options. They are:\n",nopt);CHKERRQ(ierr); 1157 } 1158 } 1159 #if defined(PETSC_USE_DEBUG) 1160 if (nopt && !flg3 && !flg1) { 1161 ierr = PetscPrintf(PETSC_COMM_WORLD,"WARNING! There are options you set that were not used!\n");CHKERRQ(ierr); 1162 ierr = PetscPrintf(PETSC_COMM_WORLD,"WARNING! could be spelling mistake, etc!\n");CHKERRQ(ierr); 1163 ierr = PetscOptionsLeft();CHKERRQ(ierr); 1164 } else if (nopt && flg3) { 1165 #else 1166 if (nopt && flg3) { 1167 #endif 1168 ierr = PetscOptionsLeft();CHKERRQ(ierr); 1169 } 1170 1171 #if defined(PETSC_HAVE_SAWS) 1172 if (!PetscGlobalRank) { 1173 ierr = PetscStackSAWsViewOff();CHKERRQ(ierr); 1174 PetscStackCallSAWs(SAWs_Finalize,()); 1175 } 1176 #endif 1177 1178 #if defined(PETSC_USE_LOG) 1179 /* 1180 List all objects the user may have forgot to free 1181 */ 1182 if (PetscObjectsLog) { 1183 ierr = PetscOptionsHasName(NULL,"-objects_dump",&flg1);CHKERRQ(ierr); 1184 if (flg1) { 1185 MPI_Comm local_comm; 1186 char string[64]; 1187 1188 ierr = PetscOptionsGetString(NULL,"-objects_dump",string,64,NULL);CHKERRQ(ierr); 1189 ierr = MPI_Comm_dup(MPI_COMM_WORLD,&local_comm);CHKERRQ(ierr); 1190 ierr = PetscSequentialPhaseBegin_Private(local_comm,1);CHKERRQ(ierr); 1191 ierr = PetscObjectsDump(stdout,(string[0] == 'a') ? PETSC_TRUE : PETSC_FALSE);CHKERRQ(ierr); 1192 ierr = PetscSequentialPhaseEnd_Private(local_comm,1);CHKERRQ(ierr); 1193 ierr = MPI_Comm_free(&local_comm);CHKERRQ(ierr); 1194 } 1195 } 1196 #endif 1197 1198 #if defined(PETSC_USE_LOG) 1199 PetscObjectsCounts = 0; 1200 PetscObjectsMaxCounts = 0; 1201 ierr = PetscFree(PetscObjects);CHKERRQ(ierr); 1202 #endif 1203 1204 #if defined(PETSC_USE_LOG) 1205 ierr = PetscLogDestroy();CHKERRQ(ierr); 1206 #endif 1207 1208 /* 1209 Close any open dynamic libraries 1210 */ 1211 ierr = PetscFinalize_DynamicLibraries();CHKERRQ(ierr); 1212 1213 /* 1214 Destroy any packages that registered a finalize 1215 */ 1216 ierr = PetscRegisterFinalizeAll();CHKERRQ(ierr); 1217 1218 /* 1219 Print PetscFunctionLists that have not been properly freed 1220 1221 ierr = PetscFunctionListPrintAll();CHKERRQ(ierr); 1222 */ 1223 1224 if (petsc_history) { 1225 ierr = PetscCloseHistoryFile(&petsc_history);CHKERRQ(ierr); 1226 petsc_history = 0; 1227 } 1228 1229 ierr = PetscInfoAllow(PETSC_FALSE,NULL);CHKERRQ(ierr); 1230 1231 #if !defined(PETSC_HAVE_THREADSAFETY) 1232 { 1233 char fname[PETSC_MAX_PATH_LEN]; 1234 FILE *fd; 1235 int err; 1236 1237 fname[0] = 0; 1238 1239 ierr = PetscOptionsGetString(NULL,"-malloc_dump",fname,250,&flg1);CHKERRQ(ierr); 1240 flg2 = PETSC_FALSE; 1241 ierr = PetscOptionsGetBool(NULL,"-malloc_test",&flg2,NULL);CHKERRQ(ierr); 1242 #if defined(PETSC_USE_DEBUG) 1243 if (PETSC_RUNNING_ON_VALGRIND) flg2 = PETSC_FALSE; 1244 #else 1245 flg2 = PETSC_FALSE; /* Skip reporting for optimized builds regardless of -malloc_test */ 1246 #endif 1247 if (flg1 && fname[0]) { 1248 char sname[PETSC_MAX_PATH_LEN]; 1249 1250 sprintf(sname,"%s_%d",fname,rank); 1251 fd = fopen(sname,"w"); if (!fd) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open log file: %s",sname); 1252 ierr = PetscMallocDump(fd);CHKERRQ(ierr); 1253 err = fclose(fd); 1254 if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fclose() failed on file"); 1255 } else if (flg1 || flg2) { 1256 MPI_Comm local_comm; 1257 1258 ierr = MPI_Comm_dup(MPI_COMM_WORLD,&local_comm);CHKERRQ(ierr); 1259 ierr = PetscSequentialPhaseBegin_Private(local_comm,1);CHKERRQ(ierr); 1260 ierr = PetscMallocDump(stdout);CHKERRQ(ierr); 1261 ierr = PetscSequentialPhaseEnd_Private(local_comm,1);CHKERRQ(ierr); 1262 ierr = MPI_Comm_free(&local_comm);CHKERRQ(ierr); 1263 } 1264 } 1265 1266 { 1267 char fname[PETSC_MAX_PATH_LEN]; 1268 FILE *fd = NULL; 1269 1270 fname[0] = 0; 1271 1272 ierr = PetscOptionsGetString(NULL,"-malloc_log",fname,250,&flg1);CHKERRQ(ierr); 1273 ierr = PetscOptionsHasName(NULL,"-malloc_log_threshold",&flg2);CHKERRQ(ierr); 1274 if (flg1 && fname[0]) { 1275 int err; 1276 1277 if (!rank) { 1278 fd = fopen(fname,"w"); 1279 if (!fd) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open log file: %s",fname); 1280 } 1281 ierr = PetscMallocDumpLog(fd);CHKERRQ(ierr); 1282 if (fd) { 1283 err = fclose(fd); 1284 if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fclose() failed on file"); 1285 } 1286 } else if (flg1 || flg2) { 1287 ierr = PetscMallocDumpLog(stdout);CHKERRQ(ierr); 1288 } 1289 } 1290 #endif 1291 1292 #if defined(PETSC_HAVE_CUDA) 1293 flg = PETSC_TRUE; 1294 ierr = PetscOptionsGetBool(NULL,"-cublas",&flg,NULL);CHKERRQ(ierr); 1295 if (flg) { 1296 PetscInt p; 1297 for (p = 0; p < PetscGlobalSize; ++p) { 1298 if (p == PetscGlobalRank) cublasShutdown(); 1299 ierr = MPI_Barrier(PETSC_COMM_WORLD);CHKERRQ(ierr); 1300 } 1301 } 1302 #endif 1303 1304 /* Can be destroyed only after all the options are used */ 1305 ierr = PetscOptionsDestroy();CHKERRQ(ierr); 1306 1307 PetscGlobalArgc = 0; 1308 PetscGlobalArgs = 0; 1309 1310 #if defined(PETSC_USE_REAL___FLOAT128) 1311 ierr = MPI_Type_free(&MPIU___FLOAT128);CHKERRQ(ierr); 1312 #if defined(PETSC_HAVE_COMPLEX) 1313 ierr = MPI_Type_free(&MPIU___COMPLEX128);CHKERRQ(ierr); 1314 #endif 1315 ierr = MPI_Op_free(&MPIU_MAX);CHKERRQ(ierr); 1316 ierr = MPI_Op_free(&MPIU_MIN);CHKERRQ(ierr); 1317 #endif 1318 1319 #if defined(PETSC_HAVE_COMPLEX) 1320 #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX) 1321 ierr = MPI_Type_free(&MPIU_C_DOUBLE_COMPLEX);CHKERRQ(ierr); 1322 ierr = MPI_Type_free(&MPIU_C_COMPLEX);CHKERRQ(ierr); 1323 #endif 1324 #endif 1325 1326 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) 1327 ierr = MPI_Op_free(&MPIU_SUM);CHKERRQ(ierr); 1328 #endif 1329 1330 ierr = MPI_Type_free(&MPIU_2SCALAR);CHKERRQ(ierr); 1331 #if defined(PETSC_USE_64BIT_INDICES) || !defined(MPI_2INT) 1332 ierr = MPI_Type_free(&MPIU_2INT);CHKERRQ(ierr); 1333 #endif 1334 ierr = MPI_Op_free(&PetscMaxSum_Op);CHKERRQ(ierr); 1335 1336 /* 1337 Destroy any known inner MPI_Comm's and attributes pointing to them 1338 Note this will not destroy any new communicators the user has created. 1339 1340 If all PETSc objects were not destroyed those left over objects will have hanging references to 1341 the MPI_Comms that were freed; but that is ok because those PETSc objects will never be used again 1342 */ 1343 { 1344 PetscCommCounter *counter; 1345 PetscMPIInt flg; 1346 MPI_Comm icomm; 1347 union {MPI_Comm comm; void *ptr;} ucomm; 1348 ierr = MPI_Attr_get(PETSC_COMM_SELF,Petsc_InnerComm_keyval,&ucomm,&flg);CHKERRQ(ierr); 1349 if (flg) { 1350 icomm = ucomm.comm; 1351 ierr = MPI_Attr_get(icomm,Petsc_Counter_keyval,&counter,&flg);CHKERRQ(ierr); 1352 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm does not have expected tag/name counter, problem with corrupted memory"); 1353 1354 ierr = MPI_Attr_delete(PETSC_COMM_SELF,Petsc_InnerComm_keyval);CHKERRQ(ierr); 1355 ierr = MPI_Attr_delete(icomm,Petsc_Counter_keyval);CHKERRQ(ierr); 1356 ierr = MPI_Comm_free(&icomm);CHKERRQ(ierr); 1357 } 1358 ierr = MPI_Attr_get(PETSC_COMM_WORLD,Petsc_InnerComm_keyval,&ucomm,&flg);CHKERRQ(ierr); 1359 if (flg) { 1360 icomm = ucomm.comm; 1361 ierr = MPI_Attr_get(icomm,Petsc_Counter_keyval,&counter,&flg);CHKERRQ(ierr); 1362 if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm does not have expected tag/name counter, problem with corrupted memory"); 1363 1364 ierr = MPI_Attr_delete(PETSC_COMM_WORLD,Petsc_InnerComm_keyval);CHKERRQ(ierr); 1365 ierr = MPI_Attr_delete(icomm,Petsc_Counter_keyval);CHKERRQ(ierr); 1366 ierr = MPI_Comm_free(&icomm);CHKERRQ(ierr); 1367 } 1368 } 1369 1370 ierr = MPI_Keyval_free(&Petsc_Counter_keyval);CHKERRQ(ierr); 1371 ierr = MPI_Keyval_free(&Petsc_InnerComm_keyval);CHKERRQ(ierr); 1372 ierr = MPI_Keyval_free(&Petsc_OuterComm_keyval);CHKERRQ(ierr); 1373 1374 ierr = PetscSpinlockDestroy(&PetscViewerASCIISpinLock);CHKERRQ(ierr); 1375 ierr = PetscSpinlockDestroy(&PetscCommSpinLock);CHKERRQ(ierr); 1376 1377 if (PetscBeganMPI) { 1378 #if defined(PETSC_HAVE_MPI_FINALIZED) 1379 PetscMPIInt flag; 1380 ierr = MPI_Finalized(&flag);CHKERRQ(ierr); 1381 if (flag) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"MPI_Finalize() has already been called, even though MPI_Init() was called by PetscInitialize()"); 1382 #endif 1383 ierr = MPI_Finalize();CHKERRQ(ierr); 1384 } 1385 /* 1386 1387 Note: In certain cases PETSC_COMM_WORLD is never MPI_Comm_free()ed because 1388 the communicator has some outstanding requests on it. Specifically if the 1389 flag PETSC_HAVE_BROKEN_REQUEST_FREE is set (for IBM MPI implementation). See 1390 src/vec/utils/vpscat.c. Due to this the memory allocated in PetscCommDuplicate() 1391 is never freed as it should be. Thus one may obtain messages of the form 1392 [ 1] 8 bytes PetscCommDuplicate() line 645 in src/sys/mpiu.c indicating the 1393 memory was not freed. 1394 1395 */ 1396 ierr = PetscMallocClear();CHKERRQ(ierr); 1397 1398 PetscInitializeCalled = PETSC_FALSE; 1399 PetscFinalizeCalled = PETSC_TRUE; 1400 PetscFunctionReturn(ierr); 1401 } 1402 1403 #if defined(PETSC_MISSING_LAPACK_lsame_) 1404 PETSC_EXTERN int lsame_(char *a,char *b) 1405 { 1406 if (*a == *b) return 1; 1407 if (*a + 32 == *b) return 1; 1408 if (*a - 32 == *b) return 1; 1409 return 0; 1410 } 1411 #endif 1412 1413 #if defined(PETSC_MISSING_LAPACK_lsame) 1414 PETSC_EXTERN int lsame(char *a,char *b) 1415 { 1416 if (*a == *b) return 1; 1417 if (*a + 32 == *b) return 1; 1418 if (*a - 32 == *b) return 1; 1419 return 0; 1420 } 1421 #endif 1422