Actual source code: err.c
1: #define PETSC_DLL
2: /*
3: Code that allows one to set the error handlers
4: */
5: #include petsc.h
6: #include petscsys.h
7: #include <stdarg.h>
8: #if defined(PETSC_HAVE_STDLIB_H)
9: #include <stdlib.h>
10: #endif
12: typedef struct _EH *EH;
13: struct _EH {
14: int cookie;
15: PetscErrorCode (*handler)(int,const char*,const char*,const char *,PetscErrorCode,int,const char*,void *);
16: void *ctx;
17: EH previous;
18: };
20: static EH eh = 0;
24: /*@C
25: PetscEmacsClientErrorHandler - Error handler that uses the emacsclient program to
26: load the file where the error occured. Then calls the "previous" error handler.
28: Not Collective
30: Input Parameters:
31: + line - the line number of the error (indicated by __LINE__)
32: . func - the function where error is detected (indicated by __FUNCT__)
33: . file - the file in which the error was detected (indicated by __FILE__)
34: . dir - the directory of the file (indicated by __SDIR__)
35: . mess - an error text string, usually just printed to the screen
36: . n - the generic error number
37: . p - specific error number
38: - ctx - error handler context
40: Options Database Key:
41: . -on_error_emacs <machinename>
43: Level: developer
45: Notes:
46: You must put (server-start) in your .emacs file for the emacsclient software to work
48: Most users need not directly employ this routine and the other error
49: handlers, but can instead use the simplified interface SETERRQ, which has
50: the calling sequence
51: $ SETERRQ(number,p,mess)
53: Notes for experienced users:
54: Use PetscPushErrorHandler() to set the desired error handler.
56: Concepts: emacs^going to on error
57: Concepts: error handler^going to line in emacs
59: .seealso: PetscPushErrorHandler(), PetscAttachDebuggerErrorHandler(),
60: PetscAbortErrorHandler()
61: @*/
62: PetscErrorCode PETSC_DLLEXPORT PetscEmacsClientErrorHandler(int line,const char *fun,const char* file,const char *dir,PetscErrorCode n,int p,const char *mess,void *ctx)
63: {
65: char command[PETSC_MAX_PATH_LEN];
66: const char *pdir;
67: FILE *fp;
70: /* Note: don't check error codes since this an error handler :-) */
71: PetscGetPetscDir(&pdir);
72: sprintf(command,"emacsclient +%d %s/%s%s\n",line,pdir,dir,file);
73: #if defined(PETSC_HAVE_POPEN)
74: PetscPOpen(MPI_COMM_WORLD,(char*)ctx,command,"r",&fp);
75: PetscPClose(MPI_COMM_WORLD,fp);
76: #else
77: SETERRQ(PETSC_ERR_SUP_SYS,"Cannot run external programs on this machine");
78: #endif
79: PetscPopErrorHandler(); /* remove this handler from the stack of handlers */
80: if (!eh) PetscTraceBackErrorHandler(line,fun,file,dir,n,p,mess,0);
81: else (*eh->handler)(line,fun,file,dir,n,p,mess,eh->ctx);
82: PetscFunctionReturn(ierr);
83: }
87: /*@C
88: PetscPushErrorHandler - Sets a routine to be called on detection of errors.
90: Not Collective
92: Input Parameters:
93: + handler - error handler routine
94: - ctx - optional handler context that contains information needed by the handler (for
95: example file pointers for error messages etc.)
97: Calling sequence of handler:
98: $ int handler(int line,char *func,char *file,char *dir,PetscErrorCode n,int p,char *mess,void *ctx);
100: + func - the function where the error occured (indicated by __FUNCT__)
101: . line - the line number of the error (indicated by __LINE__)
102: . file - the file in which the error was detected (indicated by __FILE__)
103: . dir - the directory of the file (indicated by __SDIR__)
104: . n - the generic error number (see list defined in include/petscerror.h)
105: . p - the specific error number
106: . mess - an error text string, usually just printed to the screen
107: - ctx - the error handler context
109: Options Database Keys:
110: + -on_error_attach_debugger <noxterm,gdb or dbx>
111: - -on_error_abort
113: Level: intermediate
115: Notes:
116: The
117: currently available PETSc error handlers include PetscTraceBackErrorHandler(),
118: PetscAttachDebuggerErrorHandler(), PetscAbortErrorHandler(), and PetscStopErrorHandler(), PetscReturnErrorHandler().
120: .seealso: PetscPopErrorHandler(), PetscAttachDebuggerErrorHandler(), PetscAbortErrorHandler(), PetscTraceBackErrorHandler()
122: @*/
123: PetscErrorCode PETSC_DLLEXPORT PetscPushErrorHandler(PetscErrorCode (*handler)(int,const char *,const char*,const char*,PetscErrorCode,int,const char*,void*),void *ctx)
124: {
125: EH neweh;
129: PetscNew(struct _EH,&neweh);
130: if (eh) {neweh->previous = eh;}
131: else {neweh->previous = 0;}
132: neweh->handler = handler;
133: neweh->ctx = ctx;
134: eh = neweh;
135: return(0);
136: }
140: /*@
141: PetscPopErrorHandler - Removes the latest error handler that was
142: pushed with PetscPushErrorHandler().
144: Not Collective
146: Level: intermediate
148: Concepts: error handler^setting
150: .seealso: PetscPushErrorHandler()
151: @*/
152: PetscErrorCode PETSC_DLLEXPORT PetscPopErrorHandler(void)
153: {
154: EH tmp;
158: if (!eh) return(0);
159: tmp = eh;
160: eh = eh->previous;
161: PetscFree(tmp);
163: return(0);
164: }
165:
168: /*@C
169: PetscReturnErrorHandler - Error handler that causes a return to the current
170: level.
172: Not Collective
174: Input Parameters:
175: + line - the line number of the error (indicated by __LINE__)
176: . func - the function where error is detected (indicated by __FUNCT__)
177: . file - the file in which the error was detected (indicated by __FILE__)
178: . dir - the directory of the file (indicated by __SDIR__)
179: . mess - an error text string, usually just printed to the screen
180: . n - the generic error number
181: . p - specific error number
182: - ctx - error handler context
184: Level: developer
186: Notes:
187: Most users need not directly employ this routine and the other error
188: handlers, but can instead use the simplified interface SETERRQ, which has
189: the calling sequence
190: $ SETERRQ(number,p,mess)
192: Notes for experienced users:
193: This routine is good for catching errors such as zero pivots in preconditioners
194: or breakdown of iterative methods. It is not appropriate for memory violations
195: and similar errors.
197: Use PetscPushErrorHandler() to set the desired error handler. The
198: currently available PETSc error handlers include PetscTraceBackErrorHandler(),
199: PetscAttachDebuggerErrorHandler(), PetscAbortErrorHandler(), and PetscStopErrorHandler()
201: Concepts: error handler
203: .seealso: PetscPushErrorHandler(), PetscPopErrorHandler().
204: @*/
206: PetscErrorCode PETSC_DLLEXPORT PetscReturnErrorHandler(int line,const char *fun,const char* file,const char *dir,PetscErrorCode n,int p,const char *mess,void *ctx)
207: {
209: PetscFunctionReturn(n);
210: }
212: static char PetscErrorBaseMessage[1024];
213: /*
214: The numerical values for these are defined in include/petscerror.h; any changes
215: there must also be made here
216: */
217: static const char *PetscErrorStrings[] = {
218: /*55 */ "Out of memory",
219: "No support for this operation for this object type",
220: "No support for this operation on this system",
221: /*58 */ "Operation done in wrong order",
222: /*59 */ "Signal received",
223: /*60 */ "Nonconforming object sizes",
224: "Argument aliasing not permitted",
225: "Invalid argument",
226: /*63 */ "Argument out of range",
227: "Corrupt argument: see http://www.mcs.anl.gov/petsc/petsc-as/documentation/troubleshooting.html#Corrupt",
228: "Unable to open file",
229: "Read from file failed",
230: "Write to file failed",
231: "Invalid pointer",
232: /*69 */ "Arguments must have same type",
233: "",
234: /*71 */ "Detected zero pivot in LU factorization\nsee http://www.mcs.anl.gov/petsc/petsc-as/documentation/troubleshooting.html#ZeroPivot",
235: /*72 */ "Floating point exception",
236: /*73 */ "Object is in wrong state",
237: "Corrupted Petsc object",
238: "Arguments are incompatible",
239: "Error in external library",
240: /*77 */ "Petsc has generated inconsistent data",
241: "Memory corruption",
242: "Unexpected data in file",
243: /*80 */ "Arguments must have same communicators",
244: /*81 */ "Detected zero pivot in Cholesky factorization\nsee http://www.mcs.anl.gov/petsc/petsc-as/documentation/troubleshooting.html#ZeroPivot",
245: " ",
246: " ",
247: " ",
248: /*85 */ "Null argument, when expecting valid pointer",
249: /*86 */ "Unknown type. Check for miss-spelling or missing external package needed for type"};
253: /*@C
254: PetscErrorMessage - returns the text string associated with a PETSc error code.
256: Not Collective
258: Input Parameter:
259: . errnum - the error code
261: Output Parameter:
262: + text - the error message (PETSC_NULL if not desired)
263: - specific - the specific error message that was set with SETERRxxx() or PetscError(). (PETSC_NULL if not desired)
265: Level: developer
267: Concepts: error handler^messages
269: .seealso: PetscPushErrorHandler(), PetscAttachDebuggerErrorHandler(),
270: PetscAbortErrorHandler(), PetscTraceBackErrorHandler()
271: @*/
272: PetscErrorCode PETSC_DLLEXPORT PetscErrorMessage(int errnum,const char *text[],char **specific)
273: {
275: if (text && errnum >= PETSC_ERR_MEM && errnum <= PETSC_ERR_MEM_MALLOC_0) {
276: *text = PetscErrorStrings[errnum-PETSC_ERR_MEM];
277: } else if (text) *text = 0;
279: if (specific) {
280: *specific = PetscErrorBaseMessage;
281: }
282: return(0);
283: }
285: #if defined(PETSC_USE_ERRORCHECKING)
286: PetscErrorCode PETSC_DLLEXPORT PetscErrorUncatchable[PETSC_EXCEPTIONS_MAX] = {0};
287: PetscInt PETSC_DLLEXPORT PetscErrorUncatchableCount = 0;
288: PetscErrorCode PETSC_DLLEXPORT PetscExceptions[PETSC_EXCEPTIONS_MAX] = {0};
289: PetscInt PETSC_DLLEXPORT PetscExceptionsCount = 0;
290: PetscErrorCode PETSC_DLLEXPORT PetscExceptionTmp = 0;
294: static PetscTruth PetscErrorIsCatchable(PetscErrorCode err)
295: {
296: PetscInt i;
297: for (i=0; i<PetscErrorUncatchableCount; i++) {
298: if (err == PetscErrorUncatchable[i]) return PETSC_FALSE;
299: }
300: return PETSC_TRUE;
301: }
305: /*@
306: PetscErrorSetCatchable - Sets if a PetscErrorCode can be caught with a PetscExceptionTry1()
307: PetscExceptionCaught() pair. By default all errors are catchable.
309: Input Parameters:
310: + err - error code
311: - flg - PETSC_TRUE means allow to be caught, PETSC_FALSE means do not allow to be caught
313: Level: advanced
315: Notes:
316: PETSc must not be configured using the option --with-errorchecking=0 for this to work
318: .seealso: PetscExceptionTry1(), PetscExceptionCaught()
319: @*/
320: PetscErrorCode PETSC_DLLEXPORT PetscErrorSetCatchable(PetscErrorCode err,PetscTruth flg)
321: {
323: if (!flg && PetscErrorIsCatchable(err)) {
324: /* add to list of uncatchable */
325: if (PetscErrorUncatchableCount >= PETSC_EXCEPTIONS_MAX) SETERRQ(PETSC_ERR_PLIB,"Stack for PetscErrorUncatchable is overflowed, recompile \nsrc/sysd/error/err.c with a larger value for PETSC_EXCEPTIONS_MAX");
326: PetscErrorUncatchable[PetscErrorUncatchableCount++] = err;
327: } else if (flg && !PetscErrorIsCatchable(err)) {
328: /* remove from list of uncatchable */
329: PetscInt i;
330: for (i=0; i<PetscErrorUncatchableCount; i++) {
331: if (PetscErrorUncatchable[i] == err) break;
332: }
333: for (;i<PetscErrorUncatchableCount; i++) {
334: PetscErrorUncatchable[i] = PetscErrorUncatchable[i+1];
335: }
336: PetscErrorUncatchableCount--;
337: }
338: return(0);
339: }
343: PetscErrorCode PETSC_DLLEXPORT PetscExceptionPush(PetscErrorCode err)
344: {
346: if (PetscExceptionsCount >= PETSC_EXCEPTIONS_MAX) SETERRQ(PETSC_ERR_PLIB,"Stack for PetscExceptions is overflowed, recompile \nsrc/sysd/error/err.c with a larger value for PETSC_EXCEPTIONS_MAX");
347: if (PetscErrorIsCatchable(err)) PetscExceptions[PetscExceptionsCount++] = err;
348: return(0);
349: }
353: void PETSC_DLLEXPORT PetscExceptionPop(PetscErrorCode err)
354: {
355: /* if (PetscExceptionsCount <= 0)SETERRQ(PETSC_ERR_PLIB,"Stack for PetscExceptions is empty"); */
356: if (PetscErrorIsCatchable(err)) PetscExceptionsCount--;
357: }
358: #endif
362: /*@C
363: PetscError - Routine that is called when an error has been detected,
364: usually called through the macro SETERRQ().
366: Not Collective
368: Input Parameters:
369: + line - the line number of the error (indicated by __LINE__)
370: . func - the function where the error occured (indicated by __FUNCT__)
371: . dir - the directory of file (indicated by __SDIR__)
372: . file - the file in which the error was detected (indicated by __FILE__)
373: . mess - an error text string, usually just printed to the screen
374: . n - the generic error number
375: . p - 1 indicates the error was initially detected, 0 indicates this is a traceback from a
376: previously detected error
377: - mess - formatted message string - aka printf
379: Level: intermediate
381: Notes:
382: Most users need not directly use this routine and the error handlers, but
383: can instead use the simplified interface SETERRQ, which has the calling
384: sequence
385: $ SETERRQ(n,mess)
387: Experienced users can set the error handler with PetscPushErrorHandler().
389: Concepts: error^setting condition
391: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), SETERRQ(), CHKERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2()
392: @*/
393: PetscErrorCode PETSC_DLLEXPORT PetscError(int line,const char *func,const char* file,const char *dir,PetscErrorCode n,int p,const char *mess,...)
394: {
395: va_list Argp;
397: char buf[2048],*lbuf = 0;
398: PetscTruth ismain,isunknown;
399: #if defined(PETSC_USE_ERRORCHECKING)
400: PetscInt i;
401: #endif
403: if (!func) func = "User provided function";
404: if (!file) file = "User file";
405: if (!dir) dir = " ";
408: /* Compose the message evaluating the print format */
409: if (mess) {
410: va_start(Argp,mess);
411: PetscVSNPrintf(buf,2048,mess,Argp);
412: va_end(Argp);
413: lbuf = buf;
414: if (p == 1) {
415: PetscStrncpy(PetscErrorBaseMessage,lbuf,1023);
416: }
417: }
419: #if defined(PETSC_USE_ERRORCHECKING)
420: /* check if user is catching this exception */
421: for (i=0; i<PetscExceptionsCount; i++) {
422: if (n == PetscExceptions[i]) PetscFunctionReturn(n);
423: }
424: #endif
426: if (!eh) PetscTraceBackErrorHandler(line,func,file,dir,n,p,lbuf,0);
427: else (*eh->handler)(line,func,file,dir,n,p,lbuf,eh->ctx);
429: /*
430: If this is called from the main() routine we call MPI_Abort() instead of
431: return to allow the parallel program to be properly shutdown.
433: Since this is in the error handler we don't check the errors below. Of course,
434: PetscStrncmp() does its own error checking which is problamatic
435: */
436: PetscStrncmp(func,"main",4,&ismain);
437: PetscStrncmp(func,"unknown",7,&isunknown);
438: if (ismain || isunknown) {
439: MPI_Abort(PETSC_COMM_WORLD,(int)ierr);
440: }
441: PetscFunctionReturn(ierr);
442: }
444: /* -------------------------------------------------------------------------*/
448: /*@C
449: PetscIntView - Prints an array of integers; useful for debugging.
451: Collective on PetscViewer
453: Input Parameters:
454: + N - number of integers in array
455: . idx - array of integers
456: - viewer - location to print array, PETSC_VIEWER_STDOUT_WORLD, PETSC_VIEWER_STDOUT_SELF or 0
458: Level: intermediate
460: .seealso: PetscRealView()
461: @*/
462: PetscErrorCode PETSC_DLLEXPORT PetscIntView(PetscInt N,PetscInt idx[],PetscViewer viewer)
463: {
465: PetscInt j,i,n = N/20,p = N % 20;
466: PetscTruth iascii,issocket;
467: MPI_Comm comm;
470: if (!viewer) viewer = PETSC_VIEWER_STDOUT_SELF;
473: PetscObjectGetComm((PetscObject)viewer,&comm);
475: PetscTypeCompare((PetscObject)viewer,PETSC_VIEWER_ASCII,&iascii);
476: PetscTypeCompare((PetscObject)viewer,PETSC_VIEWER_SOCKET,&issocket);
477: if (iascii) {
478: for (i=0; i<n; i++) {
479: PetscViewerASCIISynchronizedPrintf(viewer,"%D:",20*i);
480: for (j=0; j<20; j++) {
481: PetscViewerASCIISynchronizedPrintf(viewer," %D",idx[i*20+j]);
482: }
483: PetscViewerASCIISynchronizedPrintf(viewer,"\n");
484: }
485: if (p) {
486: PetscViewerASCIISynchronizedPrintf(viewer,"%D:",20*n);
487: for (i=0; i<p; i++) { PetscViewerASCIISynchronizedPrintf(viewer," %D",idx[20*n+i]);}
488: PetscViewerASCIISynchronizedPrintf(viewer,"\n");
489: }
490: PetscViewerFlush(viewer);
491: #if defined(PETSC_USE_SOCKET_VIEWER)
492: } else if (issocket) {
493: PetscMPIInt rank,size,*sizes,Ntotal,*displs, NN = (PetscMPIInt)N;
494: PetscInt *array;
495: MPI_Comm_rank(comm,&rank);
496: MPI_Comm_size(comm,&size);
498: if (size > 1) {
499: if (rank) {
500: MPI_Gather(&NN,1,MPI_INT,0,0,MPI_INT,0,comm);
501: MPI_Gatherv(idx,NN,MPIU_INT,0,0,0,MPIU_INT,0,comm);
502: } else {
503: PetscMalloc(size*sizeof(PetscMPIInt),&sizes);
504: MPI_Gather(&NN,1,MPI_INT,sizes,1,MPIU_INT,0,comm);
505: Ntotal = sizes[0];
506: PetscMalloc(size*sizeof(PetscMPIInt),&displs);
507: displs[0] = 0;
508: for (i=1; i<size; i++) {
509: Ntotal += sizes[i];
510: displs[i] = displs[i-1] + sizes[i-1];
511: }
512: PetscMalloc(Ntotal*sizeof(PetscInt),&array);
513: MPI_Gatherv(idx,NN,MPIU_INT,array,sizes,displs,MPIU_INT,0,comm);
514: PetscViewerSocketPutInt(viewer,Ntotal,array);
515: PetscFree(sizes);
516: PetscFree(displs);
517: PetscFree(array);
518: }
519: } else {
520: PetscViewerSocketPutInt(viewer,N,idx);
521: }
522: #endif
523: } else {
524: const char *tname;
525: PetscObjectGetName((PetscObject)viewer,&tname);
526: SETERRQ1(PETSC_ERR_SUP,"Cannot handle that PetscViewer of type %s",tname);
527: }
528: return(0);
529: }
533: /*@C
534: PetscRealView - Prints an array of doubles; useful for debugging.
536: Collective on PetscViewer
538: Input Parameters:
539: + N - number of doubles in array
540: . idx - array of doubles
541: - viewer - location to print array, PETSC_VIEWER_STDOUT_WORLD, PETSC_VIEWER_STDOUT_SELF or 0
543: Level: intermediate
545: .seealso: PetscIntView()
546: @*/
547: PetscErrorCode PETSC_DLLEXPORT PetscRealView(PetscInt N,PetscReal idx[],PetscViewer viewer)
548: {
550: PetscInt j,i,n = N/5,p = N % 5;
551: PetscTruth iascii,issocket;
552: MPI_Comm comm;
555: if (!viewer) viewer = PETSC_VIEWER_STDOUT_SELF;
558: PetscObjectGetComm((PetscObject)viewer,&comm);
560: PetscTypeCompare((PetscObject)viewer,PETSC_VIEWER_ASCII,&iascii);
561: PetscTypeCompare((PetscObject)viewer,PETSC_VIEWER_SOCKET,&issocket);
562: if (iascii) {
563: for (i=0; i<n; i++) {
564: PetscViewerASCIISynchronizedPrintf(viewer,"%2d:",5*i);
565: for (j=0; j<5; j++) {
566: PetscViewerASCIISynchronizedPrintf(viewer," %12.4e",idx[i*5+j]);
567: }
568: PetscViewerASCIISynchronizedPrintf(viewer,"\n");
569: }
570: if (p) {
571: PetscViewerASCIISynchronizedPrintf(viewer,"%2d:",5*n);
572: for (i=0; i<p; i++) { PetscViewerASCIISynchronizedPrintf(viewer," %12.4e",idx[5*n+i]);}
573: PetscViewerASCIISynchronizedPrintf(viewer,"\n");
574: }
575: PetscViewerFlush(viewer);
576: #if defined(PETSC_USE_SOCKET_VIEWER)
577: } else if (issocket) {
578: PetscMPIInt rank,size,*sizes,*displs, Ntotal,NN = (PetscMPIInt)N;
579: PetscReal *array;
581: MPI_Comm_rank(comm,&rank);
582: MPI_Comm_size(comm,&size);
584: if (size > 1) {
585: if (rank) {
586: MPI_Gather(&NN,1,MPI_INT,0,0,MPI_INT,0,comm);
587: MPI_Gatherv(idx,NN,MPI_DOUBLE,0,0,0,MPI_DOUBLE,0,comm);
588: } else {
589: PetscMalloc(size*sizeof(PetscMPIInt),&sizes);
590: MPI_Gather(&NN,1,MPI_INT,sizes,1,MPI_INT,0,comm);
591: Ntotal = sizes[0];
592: PetscMalloc(size*sizeof(PetscMPIInt),&displs);
593: displs[0] = 0;
594: for (i=1; i<size; i++) {
595: Ntotal += sizes[i];
596: displs[i] = displs[i-1] + sizes[i-1];
597: }
598: PetscMalloc(Ntotal*sizeof(PetscReal),&array);
599: MPI_Gatherv(idx,NN,MPI_DOUBLE,array,sizes,displs,MPI_DOUBLE,0,comm);
600: PetscViewerSocketPutReal(viewer,Ntotal,1,array);
601: PetscFree(sizes);
602: PetscFree(displs);
603: PetscFree(array);
604: }
605: } else {
606: PetscViewerSocketPutReal(viewer,N,1,idx);
607: }
608: #endif
609: } else {
610: const char *tname;
611: PetscObjectGetName((PetscObject)viewer,&tname);
612: SETERRQ1(PETSC_ERR_SUP,"Cannot handle that PetscViewer of type %s",tname);
613: }
614: return(0);
615: }
619: /*@C
620: PetscScalarView - Prints an array of scalars; useful for debugging.
622: Collective on PetscViewer
624: Input Parameters:
625: + N - number of scalars in array
626: . idx - array of scalars
627: - viewer - location to print array, PETSC_VIEWER_STDOUT_WORLD, PETSC_VIEWER_STDOUT_SELF or 0
629: Level: intermediate
631: .seealso: PetscIntView(), PetscRealView()
632: @*/
633: PetscErrorCode PETSC_DLLEXPORT PetscScalarView(PetscInt N,PetscScalar idx[],PetscViewer viewer)
634: {
636: PetscInt j,i,n = N/3,p = N % 3;
637: PetscTruth iascii,issocket;
638: MPI_Comm comm;
641: if (!viewer) viewer = PETSC_VIEWER_STDOUT_SELF;
644: PetscObjectGetComm((PetscObject)viewer,&comm);
646: PetscTypeCompare((PetscObject)viewer,PETSC_VIEWER_ASCII,&iascii);
647: PetscTypeCompare((PetscObject)viewer,PETSC_VIEWER_SOCKET,&issocket);
648: if (iascii) {
649: for (i=0; i<n; i++) {
650: PetscViewerASCIISynchronizedPrintf(viewer,"%2d:",3*i);
651: for (j=0; j<3; j++) {
652: #if defined (PETSC_USE_COMPLEX)
653: PetscViewerASCIISynchronizedPrintf(viewer," (%12.4e,%12.4e)",
654: PetscRealPart(idx[i*3+j]),PetscImaginaryPart(idx[i*3+j]));
655: #else
656: PetscViewerASCIISynchronizedPrintf(viewer," %12.4e",idx[i*3+j]);
657: #endif
658: }
659: PetscViewerASCIISynchronizedPrintf(viewer,"\n");
660: }
661: if (p) {
662: PetscViewerASCIISynchronizedPrintf(viewer,"%2d:",3*n);
663: for (i=0; i<p; i++) {
664: #if defined (PETSC_USE_COMPLEX)
665: PetscViewerASCIISynchronizedPrintf(viewer," (%12.4e,%12.4e)",
666: PetscRealPart(idx[n*3+i]),PetscImaginaryPart(idx[n*3+i]));
667: #else
668: PetscViewerASCIISynchronizedPrintf(viewer," %12.4e",idx[3*n+i]);
669: #endif
670: }
671: PetscViewerASCIISynchronizedPrintf(viewer,"\n");
672: }
673: PetscViewerFlush(viewer);
674: #if defined(PETSC_USE_SOCKET_VIEWER)
675: } else if (issocket) {
676: PetscMPIInt size,rank,*sizes,Ntotal,*displs,NN = (PetscMPIInt)N;
677: PetscScalar *array;
679: MPI_Comm_rank(comm,&rank);
680: MPI_Comm_size(comm,&size);
682: if (size > 1) {
683: if (rank) {
684: MPI_Gather(&NN,1,MPI_INT,0,0,MPI_INT,0,comm);
685: MPI_Gatherv(idx,NN,MPIU_SCALAR,0,0,0,MPIU_SCALAR,0,comm);
686: } else {
687: PetscMalloc(size*sizeof(PetscMPIInt),&sizes);
688: MPI_Gather(&NN,1,MPI_INT,sizes,1,MPI_INT,0,comm);
689: Ntotal = sizes[0];
690: PetscMalloc(size*sizeof(PetscMPIInt),&displs);
691: displs[0] = 0;
692: for (i=1; i<size; i++) {
693: Ntotal += sizes[i];
694: displs[i] = displs[i-1] + sizes[i-1];
695: }
696: PetscMalloc(Ntotal*sizeof(PetscScalar),&array);
697: MPI_Gatherv(idx,NN,MPIU_SCALAR,array,sizes,displs,MPIU_SCALAR,0,comm);
698: PetscViewerSocketPutScalar(viewer,Ntotal,1,array);
699: PetscFree(sizes);
700: PetscFree(displs);
701: PetscFree(array);
702: }
703: } else {
704: PetscViewerSocketPutScalar(viewer,N,1,idx);
705: }
706: #endif
707: } else {
708: const char *tname;
709: PetscObjectGetName((PetscObject)viewer,&tname);
710: SETERRQ1(PETSC_ERR_SUP,"Cannot handle that PetscViewer of type %s",tname);
711: }
712: return(0);
713: }