Actual source code: primme.c
1: /*
2: This file implements a wrapper to the PRIMME library
4: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
5: SLEPc - Scalable Library for Eigenvalue Problem Computations
6: Copyright (c) 2002-2012, Universitat Politecnica de Valencia, Spain
8: This file is part of SLEPc.
9:
10: SLEPc is free software: you can redistribute it and/or modify it under the
11: terms of version 3 of the GNU Lesser General Public License as published by
12: the Free Software Foundation.
14: SLEPc is distributed in the hope that it will be useful, but WITHOUT ANY
15: WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16: FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
17: more details.
19: You should have received a copy of the GNU Lesser General Public License
20: along with SLEPc. If not, see <http://www.gnu.org/licenses/>.
21: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
22: */
24: #include <petscsys.h>
25: #include <slepc-private/epsimpl.h> /*I "slepceps.h" I*/
26: #include <slepc-private/stimpl.h>
28: PetscErrorCode EPSSolve_PRIMME(EPS);
30: EXTERN_C_BEGIN
31: #include <primme.h>
32: EXTERN_C_END
34: typedef struct {
35: primme_params primme; /* param struc */
36: primme_preset_method method; /* primme method */
37: Mat A; /* problem matrix */
38: EPS eps; /* EPS current context */
39: KSP ksp; /* linear solver and preconditioner */
40: Vec x,y; /* auxiliary vectors */
41: PetscReal target; /* a copy of eps's target */
42: } EPS_PRIMME;
44: EPSPRIMMEMethod methodN[] = {
45: EPS_PRIMME_DYNAMIC,
46: EPS_PRIMME_DEFAULT_MIN_TIME,
47: EPS_PRIMME_DEFAULT_MIN_MATVECS,
48: EPS_PRIMME_ARNOLDI,
49: EPS_PRIMME_GD,
50: EPS_PRIMME_GD_PLUSK,
51: EPS_PRIMME_GD_OLSEN_PLUSK,
52: EPS_PRIMME_JD_OLSEN_PLUSK,
53: EPS_PRIMME_RQI,
54: EPS_PRIMME_JDQR,
55: EPS_PRIMME_JDQMR,
56: EPS_PRIMME_JDQMR_ETOL,
57: EPS_PRIMME_SUBSPACE_ITERATION,
58: EPS_PRIMME_LOBPCG_ORTHOBASIS,
59: EPS_PRIMME_LOBPCG_ORTHOBASISW
60: };
62: static void multMatvec_PRIMME(void *in,void *out,int *blockSize,primme_params *primme);
63: static void applyPreconditioner_PRIMME(void *in,void *out,int *blockSize,struct primme_params *primme);
65: void par_GlobalSumDouble(void *sendBuf,void *recvBuf,int *count,primme_params *primme)
66: {
68: MPI_Allreduce((double*)sendBuf,(double*)recvBuf,*count,MPI_DOUBLE,MPI_SUM,((PetscObject)(primme->commInfo))->comm);CHKERRABORT(((PetscObject)(primme->commInfo))->comm,ierr);
69: }
73: PetscErrorCode EPSSetUp_PRIMME(EPS eps)
74: {
76: PetscMPIInt numProcs,procID;
77: EPS_PRIMME *ops = (EPS_PRIMME*)eps->data;
78: primme_params *primme = &ops->primme;
79: PetscBool t;
82: MPI_Comm_size(((PetscObject)eps)->comm,&numProcs);
83: MPI_Comm_rank(((PetscObject)eps)->comm,&procID);
84:
85: /* Check some constraints and set some default values */
86: if (!eps->max_it) eps->max_it = PetscMax(1000,eps->n);
87: STGetOperators(eps->OP,&ops->A,PETSC_NULL);
88: if (!ops->A) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_ARG_WRONGSTATE,"The problem matrix has to be specified first");
89: if (!eps->ishermitian) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME is only available for Hermitian problems");
90: if (eps->isgeneralized) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME is not available for generalized problems");
91: if (eps->arbit_func) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"Arbitrary selection of eigenpairs not supported in this solver");
92: if (!eps->which) eps->which = EPS_LARGEST_REAL;
94: /* Change the default sigma to inf if necessary */
95: if (eps->which == EPS_LARGEST_MAGNITUDE || eps->which == EPS_LARGEST_REAL ||
96: eps->which == EPS_LARGEST_IMAGINARY) {
97: STSetDefaultShift(eps->OP,3e300);
98: }
100: /* Avoid setting the automatic shift when a target is set */
101: STSetDefaultShift(eps->OP,0.0);
103: STSetUp(eps->OP);
104: PetscObjectTypeCompare((PetscObject)eps->OP,STPRECOND,&t);
105: if (!t) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME only works with STPRECOND");
107: /* Transfer SLEPc options to PRIMME options */
108: primme->n = eps->n;
109: primme->nLocal = eps->nloc;
110: primme->numEvals = eps->nev;
111: primme->matrix = ops;
112: primme->commInfo = eps;
113: primme->maxMatvecs = eps->max_it;
114: primme->eps = eps->tol==PETSC_DEFAULT?SLEPC_DEFAULT_TOL:eps->tol;
115: primme->numProcs = numProcs;
116: primme->procID = procID;
117: primme->printLevel = 0;
118: primme->correctionParams.precondition = 1;
120: if (!eps->which) eps->which = EPS_LARGEST_REAL;
121: switch(eps->which) {
122: case EPS_LARGEST_REAL:
123: primme->target = primme_largest;
124: break;
125: case EPS_SMALLEST_REAL:
126: primme->target = primme_smallest;
127: break;
128: case EPS_TARGET_MAGNITUDE:
129: case EPS_TARGET_REAL:
130: primme->target = primme_closest_abs;
131: primme->numTargetShifts = 1;
132: ops->target = PetscRealPart(eps->target);
133: primme->targetShifts = &ops->target;
134: break;
135: default:
136: SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"'which' value does not supported by PRIMME");
137: break;
138: }
139:
140: if (primme_set_method(ops->method,primme) < 0)
141: SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME method not valid");
142:
143: /* If user sets ncv, maxBasisSize is modified. If not, ncv is set as maxBasisSize */
144: if (eps->ncv) primme->maxBasisSize = eps->ncv;
145: else eps->ncv = primme->maxBasisSize;
146: if (eps->ncv < eps->nev+primme->maxBlockSize)
147: SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME needs ncv >= nev+maxBlockSize");
148: if (eps->mpd) { PetscInfo(eps,"Warning: parameter mpd ignored\n"); }
150: if (eps->extraction) { PetscInfo(eps,"Warning: extraction type ignored\n"); }
152: /* Set workspace */
153: EPSAllocateSolution(eps);
155: /* Setup the preconditioner */
156: ops->eps = eps;
157: if (primme->correctionParams.precondition) {
158: STGetKSP(eps->OP,&ops->ksp);
159: PetscObjectTypeCompare((PetscObject)ops->ksp,KSPPREONLY,&t);
160: if (!t) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME only works with KSPPREONLY");
161: primme->preconditioner = PETSC_NULL;
162: primme->applyPreconditioner = applyPreconditioner_PRIMME;
163: }
165: /* Prepare auxiliary vectors */
166: VecCreateMPIWithArray(((PetscObject)eps)->comm,1,eps->nloc,eps->n,PETSC_NULL,&ops->x);
167: VecCreateMPIWithArray(((PetscObject)eps)->comm,1,eps->nloc,eps->n,PETSC_NULL,&ops->y);
168:
169: /* dispatch solve method */
170: if (eps->leftvecs) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"Left vectors not supported in this solver");
171: eps->ops->solve = EPSSolve_PRIMME;
172: return(0);
173: }
177: PetscErrorCode EPSSolve_PRIMME(EPS eps)
178: {
180: EPS_PRIMME *ops = (EPS_PRIMME *)eps->data;
181: PetscScalar *a;
182: #if defined(PETSC_USE_COMPLEX)
183: PetscInt i;
184: PetscReal *evals;
185: #endif
188: /* Reset some parameters left from previous runs */
189: ops->primme.aNorm = 0.0;
190: ops->primme.initSize = eps->nini;
191: ops->primme.iseed[0] = -1;
193: /* Call PRIMME solver */
194: VecGetArray(eps->V[0],&a);
195: #if !defined(PETSC_USE_COMPLEX)
196: dprimme(eps->eigr,a,eps->errest,&ops->primme);
197: #else
198: /* PRIMME returns real eigenvalues, but SLEPc works with complex ones */
199: PetscMalloc(eps->ncv*sizeof(PetscReal),&evals);
200: zprimme(evals,(Complex_Z*)a,eps->errest,&ops->primme);
201: for (i=0;i<eps->ncv;i++)
202: eps->eigr[i] = evals[i];
203: PetscFree(evals);
204: #endif
205: VecRestoreArray(eps->V[0],&a);
206:
207: switch(ierr) {
208: case 0: /* Successful */
209: break;
211: case -1:
212: SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME: Failed to open output file");
213: break;
215: case -2:
216: SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME: Insufficient integer or real workspace allocated");
217: break;
219: case -3:
220: SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME: main_iter encountered a problem");
221: break;
223: default:
224: SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME: some parameters wrong configured");
225: break;
226: }
228: eps->nconv = ops->primme.initSize >= 0 ? ops->primme.initSize : 0;
229: eps->reason = eps->ncv >= eps->nev ? EPS_CONVERGED_TOL : EPS_DIVERGED_ITS;
230: eps->its = ops->primme.stats.numOuterIterations;
231: eps->OP->applys = ops->primme.stats.numMatvecs;
232: return(0);
233: }
237: static void multMatvec_PRIMME(void *in,void *out,int *blockSize,primme_params *primme)
238: {
240: PetscInt i,N = primme->n;
241: EPS_PRIMME *ops = (EPS_PRIMME *)primme->matrix;
242: Vec x = ops->x,y = ops->y;
243: Mat A = ops->A;
246: for (i=0;i<*blockSize;i++) {
247: /* build vectors using 'in' an 'out' workspace */
248: VecPlaceArray(x,(PetscScalar*)in+N*i);CHKERRABORT(((PetscObject)A)->comm,ierr);
249: VecPlaceArray(y,(PetscScalar*)out+N*i);CHKERRABORT(((PetscObject)A)->comm,ierr);
251: MatMult(A,x,y);CHKERRABORT(((PetscObject)A)->comm,ierr);
252:
253: VecResetArray(x);CHKERRABORT(((PetscObject)A)->comm,ierr);
254: VecResetArray(y);CHKERRABORT(((PetscObject)A)->comm,ierr);
255: }
256: PetscFunctionReturnVoid();
257: }
261: static void applyPreconditioner_PRIMME(void *in,void *out,int *blockSize,struct primme_params *primme)
262: {
264: PetscInt i,N = primme->n,lits;
265: EPS_PRIMME *ops = (EPS_PRIMME *)primme->matrix;
266: Vec x = ops->x,y = ops->y;
267:
269: for (i=0;i<*blockSize;i++) {
270: /* build vectors using 'in' an 'out' workspace */
271: VecPlaceArray(x,(PetscScalar*)in+N*i);CHKERRABORT(((PetscObject)ops->ksp)->comm,ierr);
272: VecPlaceArray(y,(PetscScalar*)out+N*i);CHKERRABORT(((PetscObject)ops->ksp)->comm,ierr);
274: KSPSolve(ops->ksp,x,y);CHKERRABORT(((PetscObject)ops->ksp)->comm,ierr);
275: KSPGetIterationNumber(ops->ksp,&lits);CHKERRABORT(((PetscObject)ops->ksp)->comm,ierr);
276: ops->eps->OP->lineariterations+= lits;
277:
278: VecResetArray(x);CHKERRABORT(((PetscObject)ops->ksp)->comm,ierr);
279: VecResetArray(y);CHKERRABORT(((PetscObject)ops->ksp)->comm,ierr);
280: }
281: PetscFunctionReturnVoid();
282: }
286: PetscErrorCode EPSReset_PRIMME(EPS eps)
287: {
289: EPS_PRIMME *ops = (EPS_PRIMME *)eps->data;
292: primme_Free(&ops->primme);
293: VecDestroy(&ops->x);
294: VecDestroy(&ops->y);
295: EPSFreeSolution(eps);
296: return(0);
297: }
301: PetscErrorCode EPSDestroy_PRIMME(EPS eps)
302: {
306: PetscFree(eps->data);
307: PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMESetBlockSize_C","",PETSC_NULL);
308: PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMESetMethod_C","",PETSC_NULL);
309: PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMEGetBlockSize_C","",PETSC_NULL);
310: PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMEGetMethod_C","",PETSC_NULL);
311: return(0);
312: }
316: PetscErrorCode EPSView_PRIMME(EPS eps,PetscViewer viewer)
317: {
318: PetscErrorCode ierr;
319: PetscBool isascii;
320: primme_params *primme = &((EPS_PRIMME *)eps->data)->primme;
321: EPSPRIMMEMethod methodn;
322: PetscMPIInt rank;
325: PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii);
326: if (!isascii) SETERRQ1(((PetscObject)eps)->comm,1,"Viewer type %s not supported for EPSPRIMME",((PetscObject)viewer)->type_name);
327:
328: PetscViewerASCIIPrintf(viewer," PRIMME: block size=%d\n",primme->maxBlockSize);
329: EPSPRIMMEGetMethod(eps,&methodn);
330: PetscViewerASCIIPrintf(viewer," PRIMME: solver method: %s\n",EPSPRIMMEMethods[methodn]);
332: /* Display PRIMME params */
333: MPI_Comm_rank(((PetscObject)eps)->comm,&rank);
334: if (!rank) primme_display_params(*primme);
335: return(0);
336: }
340: PetscErrorCode EPSSetFromOptions_PRIMME(EPS eps)
341: {
342: PetscErrorCode ierr;
343: EPS_PRIMME *ctx = (EPS_PRIMME *)eps->data;
344: PetscInt bs;
345: EPSPRIMMEMethod meth;
346: PetscBool flg;
349: PetscOptionsHead("EPS PRIMME Options");
350: PetscOptionsInt("-eps_primme_block_size","Maximum block size","EPSPRIMMESetBlockSize",ctx->primme.maxBlockSize,&bs,&flg);
351: if (flg) { EPSPRIMMESetBlockSize(eps,bs); }
352: PetscOptionsEnum("-eps_primme_method","Method for solving the eigenproblem","EPSPRIMMESetMethod",EPSPRIMMEMethods,(PetscEnum)ctx->method,(PetscEnum*)&meth,&flg);
353: if (flg) { EPSPRIMMESetMethod(eps,meth); }
354: PetscOptionsTail();
355: return(0);
356: }
358: EXTERN_C_BEGIN
361: PetscErrorCode EPSPRIMMESetBlockSize_PRIMME(EPS eps,PetscInt bs)
362: {
363: EPS_PRIMME *ops = (EPS_PRIMME*)eps->data;
366: if (bs == PETSC_DEFAULT) ops->primme.maxBlockSize = 1;
367: else if (bs <= 0) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_ARG_OUTOFRANGE,"PRIMME: block size must be positive");
368: else ops->primme.maxBlockSize = bs;
369: return(0);
370: }
371: EXTERN_C_END
375: /*@
376: EPSPRIMMESetBlockSize - The maximum block size the code will try to use.
377: The user should set
378: this based on the architecture specifics of the target computer,
379: as well as any a priori knowledge of multiplicities. The code does
380: NOT require BlockSize > 1 to find multiple eigenvalues. For some
381: methods, keeping BlockSize = 1 yields the best overall performance.
383: Collective on EPS
385: Input Parameters:
386: + eps - the eigenproblem solver context
387: - bs - block size
389: Options Database Key:
390: . -eps_primme_block_size - Sets the max allowed block size value
392: Notes:
393: If the block size is not set, the value established by primme_initialize
394: is used.
396: Level: advanced
397: .seealso: EPSPRIMMEGetBlockSize()
398: @*/
399: PetscErrorCode EPSPRIMMESetBlockSize(EPS eps,PetscInt bs)
400: {
406: PetscTryMethod(eps,"EPSPRIMMESetBlockSize_C",(EPS,PetscInt),(eps,bs));
407: return(0);
408: }
410: EXTERN_C_BEGIN
413: PetscErrorCode EPSPRIMMEGetBlockSize_PRIMME(EPS eps,PetscInt *bs)
414: {
415: EPS_PRIMME *ops = (EPS_PRIMME*)eps->data;
418: if (bs) *bs = ops->primme.maxBlockSize;
419: return(0);
420: }
421: EXTERN_C_END
425: /*@
426: EPSPRIMMEGetBlockSize - Get the maximum block size the code will try to use.
428: Collective on EPS
430: Input Parameters:
431: . eps - the eigenproblem solver context
432:
433: Output Parameters:
434: . bs - returned block size
436: Level: advanced
437: .seealso: EPSPRIMMESetBlockSize()
438: @*/
439: PetscErrorCode EPSPRIMMEGetBlockSize(EPS eps,PetscInt *bs)
440: {
445: PetscTryMethod(eps,"EPSPRIMMEGetBlockSize_C",(EPS,PetscInt*),(eps,bs));
446: return(0);
447: }
449: EXTERN_C_BEGIN
452: PetscErrorCode EPSPRIMMESetMethod_PRIMME(EPS eps,EPSPRIMMEMethod method)
453: {
454: EPS_PRIMME *ops = (EPS_PRIMME*)eps->data;
457: if (method == PETSC_DEFAULT) ops->method = DEFAULT_MIN_TIME;
458: else ops->method = (primme_preset_method)method;
459: return(0);
460: }
461: EXTERN_C_END
465: /*@
466: EPSPRIMMESetMethod - Sets the method for the PRIMME library.
468: Collective on EPS
470: Input Parameters:
471: + eps - the eigenproblem solver context
472: - method - method that will be used by PRIMME. It must be one of:
473: EPS_PRIMME_DYNAMIC, EPS_PRIMME_DEFAULT_MIN_TIME(EPS_PRIMME_JDQMR_ETOL),
474: EPS_PRIMME_DEFAULT_MIN_MATVECS(EPS_PRIMME_GD_OLSEN_PLUSK), EPS_PRIMME_ARNOLDI,
475: EPS_PRIMME_GD, EPS_PRIMME_GD_PLUSK, EPS_PRIMME_GD_OLSEN_PLUSK,
476: EPS_PRIMME_JD_OLSEN_PLUSK, EPS_PRIMME_RQI, EPS_PRIMME_JDQR, EPS_PRIMME_JDQMR,
477: EPS_PRIMME_JDQMR_ETOL, EPS_PRIMME_SUBSPACE_ITERATION,
478: EPS_PRIMME_LOBPCG_ORTHOBASIS, EPS_PRIMME_LOBPCG_ORTHOBASISW
480: Options Database Key:
481: . -eps_primme_set_method - Sets the method for the PRIMME library.
483: Note:
484: If not set, the method defaults to EPS_PRIMME_DEFAULT_MIN_TIME.
486: Level: advanced
488: .seealso: EPSPRIMMEGetMethod(), EPSPRIMMEMethod
489: @*/
490: PetscErrorCode EPSPRIMMESetMethod(EPS eps,EPSPRIMMEMethod method)
491: {
497: PetscTryMethod(eps,"EPSPRIMMESetMethod_C",(EPS,EPSPRIMMEMethod),(eps,method));
498: return(0);
499: }
501: EXTERN_C_BEGIN
504: PetscErrorCode EPSPRIMMEGetMethod_PRIMME(EPS eps,EPSPRIMMEMethod *method)
505: {
506: EPS_PRIMME *ops = (EPS_PRIMME*)eps->data;
509: if (method) *method = (EPSPRIMMEMethod)ops->method;
510: return(0);
511: }
512: EXTERN_C_END
516: /*@C
517: EPSPRIMMEGetMethod - Gets the method for the PRIMME library.
519: Mon Collective on EPS
521: Input Parameters:
522: . eps - the eigenproblem solver context
523:
524: Output Parameters:
525: . method - method that will be used by PRIMME. It must be one of:
526: EPS_PRIMME_DYNAMIC, EPS_PRIMME_DEFAULT_MIN_TIME(EPS_PRIMME_JDQMR_ETOL),
527: EPS_PRIMME_DEFAULT_MIN_MATVECS(EPS_PRIMME_GD_OLSEN_PLUSK), EPS_PRIMME_ARNOLDI,
528: EPS_PRIMME_GD, EPS_PRIMME_GD_PLUSK, EPS_PRIMME_GD_OLSEN_PLUSK,
529: EPS_PRIMME_JD_OLSEN_PLUSK, EPS_PRIMME_RQI, EPS_PRIMME_JDQR, EPS_PRIMME_JDQMR,
530: EPS_PRIMME_JDQMR_ETOL, EPS_PRIMME_SUBSPACE_ITERATION,
531: EPS_PRIMME_LOBPCG_ORTHOBASIS, EPS_PRIMME_LOBPCG_ORTHOBASISW
533: Level: advanced
535: .seealso: EPSPRIMMESetMethod(), EPSPRIMMEMethod
536: @*/
537: PetscErrorCode EPSPRIMMEGetMethod(EPS eps, EPSPRIMMEMethod *method)
538: {
543: PetscTryMethod(eps,"EPSPRIMMEGetMethod_C",(EPS,EPSPRIMMEMethod*),(eps,method));
544: return(0);
545: }
547: EXTERN_C_BEGIN
550: PetscErrorCode EPSCreate_PRIMME(EPS eps)
551: {
553: EPS_PRIMME *primme;
556: STSetType(eps->OP,STPRECOND);
557: STPrecondSetKSPHasMat(eps->OP,PETSC_TRUE);
559: PetscNewLog(eps,EPS_PRIMME,&primme);
560: eps->data = (void*)primme;
561: eps->ops->setup = EPSSetUp_PRIMME;
562: eps->ops->setfromoptions = EPSSetFromOptions_PRIMME;
563: eps->ops->destroy = EPSDestroy_PRIMME;
564: eps->ops->reset = EPSReset_PRIMME;
565: eps->ops->view = EPSView_PRIMME;
566: eps->ops->backtransform = EPSBackTransform_Default;
567: eps->ops->computevectors = EPSComputeVectors_Default;
569: primme_initialize(&primme->primme);
570: primme->primme.matrixMatvec = multMatvec_PRIMME;
571: primme->primme.globalSumDouble = par_GlobalSumDouble;
572: primme->method = (primme_preset_method)EPS_PRIMME_DEFAULT_MIN_TIME;
574: PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMESetBlockSize_C","EPSPRIMMESetBlockSize_PRIMME",EPSPRIMMESetBlockSize_PRIMME);
575: PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMESetMethod_C","EPSPRIMMESetMethod_PRIMME",EPSPRIMMESetMethod_PRIMME);
576: PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMEGetBlockSize_C","EPSPRIMMEGetBlockSize_PRIMME",EPSPRIMMEGetBlockSize_PRIMME);
577: PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMEGetMethod_C","EPSPRIMMEGetMethod_PRIMME",EPSPRIMMEGetMethod_PRIMME);
578: return(0);
579: }
580: EXTERN_C_END