/*
This file implements a wrapper to the PRIMME library
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
SLEPc - Scalable Library for Eigenvalue Problem Computations
Copyright (c) 2002-2010, Universidad Politecnica de Valencia, Spain
This file is part of SLEPc.
SLEPc is free software: you can redistribute it and/or modify it under the
terms of version 3 of the GNU Lesser General Public License as published by
the Free Software Foundation.
SLEPc is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with SLEPc. If not, see <http://www.gnu.org/licenses/>.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
*/
#include <petscsys.h>
#include <private/epsimpl.h> /*I "slepceps.h" I*/
#include <private/stimpl.h> /*I "slepcst.h" I*/
PetscErrorCode EPSSolve_PRIMME(EPS);
EXTERN_C_BEGIN
#include <primme.h>
EXTERN_C_END
typedef struct {
primme_params primme; /* param struc */
primme_preset_method method; /* primme method */
Mat A; /* problem matrix */
EPS eps; /* EPS current context */
KSP ksp; /* preconditioner */
Vec x,y; /* auxiliar vectors */
} EPS_PRIMME;
EPSPRIMMEMethod methodN[] = {
EPS_PRIMME_DYNAMIC,
EPS_PRIMME_DEFAULT_MIN_TIME,
EPS_PRIMME_DEFAULT_MIN_MATVECS,
EPS_PRIMME_ARNOLDI,
EPS_PRIMME_GD,
EPS_PRIMME_GD_PLUSK,
EPS_PRIMME_GD_OLSEN_PLUSK,
EPS_PRIMME_JD_OLSEN_PLUSK,
EPS_PRIMME_RQI,
EPS_PRIMME_JDQR,
EPS_PRIMME_JDQMR,
EPS_PRIMME_JDQMR_ETOL,
EPS_PRIMME_SUBSPACE_ITERATION,
EPS_PRIMME_LOBPCG_ORTHOBASIS,
EPS_PRIMME_LOBPCG_ORTHOBASISW
};
static void multMatvec_PRIMME(void *in, void *out, int *blockSize, primme_params *primme);
static void applyPreconditioner_PRIMME(void *in, void *out, int *blockSize, struct primme_params *primme);
void par_GlobalSumDouble(void *sendBuf, void *recvBuf, int *count, primme_params *primme)
{
PetscErrorCode ierr;
ierr = MPI_Allreduce((double*)sendBuf, (double*)recvBuf, *count, MPI_DOUBLE, MPI_SUM, ((PetscObject)(primme->commInfo))->comm);CHKERRABORT(((PetscObject)(primme->commInfo))->comm,ierr);
}
#undef __FUNCT__
#define __FUNCT__ "EPSSetUp_PRIMME"
PetscErrorCode EPSSetUp_PRIMME(EPS eps)
{
PetscErrorCode ierr;
PetscMPIInt numProcs, procID;
EPS_PRIMME *ops = (EPS_PRIMME *)eps->data;
primme_params *primme = &(((EPS_PRIMME *)eps->data)->primme);
PetscBool t;
PetscFunctionBegin;
ierr = MPI_Comm_size(((PetscObject)eps)->comm,&numProcs);CHKERRQ(ierr);
ierr = MPI_Comm_rank(((PetscObject)eps)->comm,&procID);CHKERRQ(ierr);
/* Check some constraints and set some default values */
if (!eps->max_it) eps->max_it = PetscMax(1000,eps->n);
ierr = STGetOperators(eps->OP, &ops->A, PETSC_NULL);
if (!ops->A) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_ARG_WRONGSTATE,"The problem matrix has to be specified first");
if (!eps->ishermitian)
SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME is only available for Hermitian problems");
if (eps->isgeneralized)
SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME is not available for generalized problems");
if (!eps->which) eps->which = EPS_LARGEST_REAL;
/* Change the default sigma to inf if necessary */
if (eps->which == EPS_LARGEST_MAGNITUDE || eps->which == EPS_LARGEST_REAL ||
eps->which == EPS_LARGEST_IMAGINARY) {
ierr = STSetDefaultShift(eps->OP, 3e300); CHKERRQ(ierr);
}
ierr = STSetUp(eps->OP); CHKERRQ(ierr);
ierr = PetscTypeCompare((PetscObject)eps->OP, STPRECOND, &t); CHKERRQ(ierr);
if (!t) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP, "PRIMME only works with STPRECOND");
/* Transfer SLEPc options to PRIMME options */
primme->n = eps->n;
primme->nLocal = eps->nloc;
primme->numEvals = eps->nev;
primme->matrix = ops;
primme->commInfo = eps;
primme->maxMatvecs = eps->max_it;
primme->eps = eps->tol;
primme->numProcs = numProcs;
primme->procID = procID;
primme->printLevel = 0;
primme->correctionParams.precondition = 1;
if (!eps->which) eps->which = EPS_LARGEST_REAL;
switch(eps->which) {
case EPS_LARGEST_REAL:
primme->target = primme_largest;
break;
case EPS_SMALLEST_REAL:
primme->target = primme_smallest;
break;
default:
SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME only allows EPS_LARGEST_REAL and EPS_SMALLEST_REAL for 'which' value");
break;
}
if (primme_set_method(ops->method, primme) < 0)
SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME method not valid");
/* If user sets ncv, maxBasisSize is modified. If not, ncv is set as maxBasisSize */
if (eps->ncv) primme->maxBasisSize = eps->ncv;
else eps->ncv = primme->maxBasisSize;
if (eps->ncv < eps->nev+primme->maxBlockSize)
SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME needs ncv >= nev+maxBlockSize");
if (eps->mpd) PetscInfo(eps,"Warning: parameter mpd ignored\n");
if (eps->extraction) {
ierr = PetscInfo(eps,"Warning: extraction type ignored\n");CHKERRQ(ierr);
}
/* Set workspace */
ierr = EPSAllocateSolution(eps);CHKERRQ(ierr);
/* Setup the preconditioner */
ops->eps = eps;
if (primme->correctionParams.precondition) {
ierr = STGetKSP(eps->OP, &ops->ksp); CHKERRQ(ierr);
ierr = PetscTypeCompare((PetscObject)ops->ksp, KSPPREONLY, &t); CHKERRQ(ierr);
if (!t) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP, "PRIMME only works with KSPPREONLY");
primme->preconditioner = PETSC_NULL;
primme->applyPreconditioner = applyPreconditioner_PRIMME;
}
/* Prepare auxiliary vectors */
ierr = VecCreateMPIWithArray(PETSC_COMM_WORLD,eps->nloc,eps->n,PETSC_NULL,&ops->x);CHKERRQ(ierr);
ierr = VecCreateMPIWithArray(PETSC_COMM_WORLD,eps->nloc,eps->n,PETSC_NULL,&ops->y);CHKERRQ(ierr);
/* dispatch solve method */
if (eps->leftvecs) SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"Left vectors not supported in this solver");
eps->ops->solve = EPSSolve_PRIMME;
PetscFunctionReturn(0);
}
#undef __FUNCT__
#define __FUNCT__ "EPSSolve_PRIMME"
PetscErrorCode EPSSolve_PRIMME(EPS eps)
{
PetscErrorCode ierr;
EPS_PRIMME *ops = (EPS_PRIMME *)eps->data;
PetscScalar *a;
#if defined(PETSC_USE_COMPLEX)
PetscInt i;
PetscReal *evals;
#endif
PetscFunctionBegin;
/* Reset some parameters left from previous runs */
ops->primme.aNorm = 0.0;
ops->primme.initSize = eps->nini;
ops->primme.iseed[0] = -1;
/* Call PRIMME solver */
ierr = VecGetArray(eps->V[0], &a); CHKERRQ(ierr);
#if !defined(PETSC_USE_COMPLEX)
ierr = dprimme(eps->eigr, a, eps->errest, &ops->primme);
#else
/* PRIMME returns real eigenvalues, but SLEPc works with complex ones */
ierr = PetscMalloc(eps->ncv*sizeof(PetscReal),&evals); CHKERRQ(ierr);
ierr = zprimme(evals, (Complex_Z*)a, eps->errest, &ops->primme);
for (i=0;i<eps->ncv;i++)
eps->eigr[i] = evals[i];
ierr = PetscFree(evals); CHKERRQ(ierr);
#endif
ierr = VecRestoreArray(eps->V[0], &a); CHKERRQ(ierr);
switch(ierr) {
case 0: /* Successful */
break;
case -1:
SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME: Failed to open output file");
break;
case -2:
SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME: Insufficient integer or real workspace allocated");
break;
case -3:
SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME: main_iter encountered a problem");
break;
default:
SETERRQ(((PetscObject)eps)->comm,PETSC_ERR_SUP,"PRIMME: some parameters wrong configured");
break;
}
eps->nconv = ops->primme.initSize >= 0 ? ops->primme.initSize : 0;
eps->reason = eps->ncv >= eps->nev ? EPS_CONVERGED_TOL : EPS_DIVERGED_ITS;
eps->its = ops->primme.stats.numOuterIterations;
eps->OP->applys = ops->primme.stats.numMatvecs;
PetscFunctionReturn(0);
}
#undef __FUNCT__
#define __FUNCT__ "multMatvec_PRIMME"
static void multMatvec_PRIMME(void *in, void *out, int *blockSize, primme_params *primme)
{
PetscErrorCode ierr;
PetscInt i, N = primme->n;
EPS_PRIMME *ops = (EPS_PRIMME *)primme->matrix;
Vec x = ops->x, y = ops->y;
Mat A = ops->A;
PetscFunctionBegin;
for (i=0;i<*blockSize;i++) {
/* build vectors using 'in' an 'out' workspace */
ierr = VecPlaceArray(x, (PetscScalar*)in+N*i ); CHKERRABORT(PETSC_COMM_WORLD,ierr);
ierr = VecPlaceArray(y, (PetscScalar*)out+N*i ); CHKERRABORT(PETSC_COMM_WORLD,ierr);
ierr = MatMult(A, x, y); CHKERRABORT(PETSC_COMM_WORLD,ierr);
ierr = VecResetArray(x); CHKERRABORT(PETSC_COMM_WORLD,ierr);
ierr = VecResetArray(y); CHKERRABORT(PETSC_COMM_WORLD,ierr);
}
PetscFunctionReturnVoid();
}
#undef __FUNCT__
#define __FUNCT__ "applyPreconditioner_PRIMME"
static void applyPreconditioner_PRIMME(void *in, void *out, int *blockSize, struct primme_params *primme)
{
PetscErrorCode ierr;
PetscInt i, N = primme->n, lits;
EPS_PRIMME *ops = (EPS_PRIMME *)primme->matrix;
Vec x = ops->x, y = ops->y;
PetscFunctionBegin;
for (i=0;i<*blockSize;i++) {
/* build vectors using 'in' an 'out' workspace */
ierr = VecPlaceArray(x, (PetscScalar*)in+N*i ); CHKERRABORT(PETSC_COMM_WORLD,ierr);
ierr = VecPlaceArray(y, (PetscScalar*)out+N*i ); CHKERRABORT(PETSC_COMM_WORLD,ierr);
ierr = KSPSolve(ops->ksp, x, y); CHKERRABORT(PETSC_COMM_WORLD,ierr);
ierr = KSPGetIterationNumber(ops->ksp, &lits); CHKERRABORT(PETSC_COMM_WORLD,ierr);
ops->eps->OP->lineariterations+= lits;
ierr = VecResetArray(x); CHKERRABORT(PETSC_COMM_WORLD,ierr);
ierr = VecResetArray(y); CHKERRABORT(PETSC_COMM_WORLD,ierr);
}
PetscFunctionReturnVoid();
}
#undef __FUNCT__
#define __FUNCT__ "EPSDestroy_PRIMME"
PetscErrorCode EPSDestroy_PRIMME(EPS eps)
{
PetscErrorCode ierr;
EPS_PRIMME *ops = (EPS_PRIMME *)eps->data;
PetscFunctionBegin;
PetscValidHeaderSpecific(eps,EPS_CLASSID,1);
primme_Free(&ops->primme);
ierr = VecDestroy(&ops->x);CHKERRQ(ierr);
ierr = VecDestroy(&ops->y);CHKERRQ(ierr);
ierr = PetscFree(eps->data);CHKERRQ(ierr);
ierr = EPSFreeSolution(eps);CHKERRQ(ierr);
ierr = PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMESetBlockSize_C","",PETSC_NULL);CHKERRQ(ierr);
ierr = PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMESetMethod_C","",PETSC_NULL);CHKERRQ(ierr);
ierr = PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMEGetBlockSize_C","",PETSC_NULL);CHKERRQ(ierr);
ierr = PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMEGetMethod_C","",PETSC_NULL);CHKERRQ(ierr);
PetscFunctionReturn(0);
}
#undef __FUNCT__
#define __FUNCT__ "EPSView_PRIMME"
PetscErrorCode EPSView_PRIMME(EPS eps,PetscViewer viewer)
{
PetscErrorCode ierr;
PetscBool isascii;
primme_params *primme = &((EPS_PRIMME *)eps->data)->primme;
EPSPRIMMEMethod methodn;
PetscFunctionBegin;
ierr = PetscTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii);CHKERRQ(ierr);
if (!isascii) {
SETERRQ1(((PetscObject)eps)->comm,1,"Viewer type %s not supported for EPSPRIMME",((PetscObject)viewer)->type_name);
}
ierr = PetscViewerASCIIPrintf(viewer,"PRIMME solver block size: %d\n",primme->maxBlockSize);CHKERRQ(ierr);
ierr = EPSPRIMMEGetMethod(eps,&methodn);CHKERRQ(ierr);
ierr = PetscViewerASCIIPrintf(viewer,"PRIMME solver method: %s\n",EPSPRIMMEMethods[methodn]);CHKERRQ(ierr);
/* Display PRIMME params */
primme_display_params(*primme);
PetscFunctionReturn(0);
}
#undef __FUNCT__
#define __FUNCT__ "EPSSetFromOptions_PRIMME"
PetscErrorCode EPSSetFromOptions_PRIMME(EPS eps)
{
PetscErrorCode ierr;
EPS_PRIMME *ctx = (EPS_PRIMME *)eps->data;
PetscInt bs;
EPSPRIMMEMethod meth;
PetscBool flg;
PetscFunctionBegin;
ierr = PetscOptionsBegin(((PetscObject)eps)->comm,((PetscObject)eps)->prefix,"PRIMME Options","EPS");CHKERRQ(ierr);
ierr = PetscOptionsInt("-eps_primme_block_size","Maximum block size","EPSPRIMMESetBlockSize",ctx->primme.maxBlockSize,&bs,&flg);CHKERRQ(ierr);
if (flg) { ierr = EPSPRIMMESetBlockSize(eps,bs);CHKERRQ(ierr); }
ierr = PetscOptionsEnum("-eps_primme_method","Method for solving the eigenproblem","EPSPRIMMESetMethod",EPSPRIMMEMethods,(PetscEnum)ctx->method,(PetscEnum*)&meth,&flg); CHKERRQ(ierr);
if (flg) { ierr = EPSPRIMMESetMethod(eps,meth);CHKERRQ(ierr); }
ierr = PetscOptionsEnd();CHKERRQ(ierr);
PetscFunctionReturn(0);
}
EXTERN_C_BEGIN
#undef __FUNCT__
#define __FUNCT__ "EPSPRIMMESetBlockSize_PRIMME"
PetscErrorCode EPSPRIMMESetBlockSize_PRIMME(EPS eps,PetscInt bs)
{
EPS_PRIMME *ops = (EPS_PRIMME *) eps->data;
PetscFunctionBegin;
if (bs == PETSC_DEFAULT) ops->primme.maxBlockSize = 1;
else if (bs <= 0) {
SETERRQ(((PetscObject)eps)->comm,1, "PRIMME: wrong block size");
} else ops->primme.maxBlockSize = bs;
PetscFunctionReturn(0);
}
EXTERN_C_END
#undef __FUNCT__
#define __FUNCT__ "EPSPRIMMESetBlockSize"
/*@
EPSPRIMMESetBlockSize - The maximum block size the code will try to use.
The user should set
this based on the architecture specifics of the target computer,
as well as any a priori knowledge of multiplicities. The code does
NOT require BlockSize > 1 to find multiple eigenvalues. For some
methods, keeping BlockSize = 1 yields the best overall performance.
Collective on EPS
Input Parameters:
+ eps - the eigenproblem solver context
- bs - block size
Options Database Key:
. -eps_primme_block_size - Sets the max allowed block size value
Notes:
If the block size is not set, the value established by primme_initialize
is used.
Level: advanced
.seealso: EPSPRIMMEGetBlockSize()
@*/
PetscErrorCode EPSPRIMMESetBlockSize(EPS eps,PetscInt bs)
{
PetscErrorCode ierr;
PetscFunctionBegin;
PetscValidHeaderSpecific(eps,EPS_CLASSID,1);
PetscValidLogicalCollectiveInt(eps,bs,2);
ierr = PetscTryMethod(eps,"EPSPRIMMESetBlockSize_C",(EPS,PetscInt),(eps,bs));CHKERRQ(ierr);
PetscFunctionReturn(0);
}
EXTERN_C_BEGIN
#undef __FUNCT__
#define __FUNCT__ "EPSPRIMMEGetBlockSize_PRIMME"
PetscErrorCode EPSPRIMMEGetBlockSize_PRIMME(EPS eps,PetscInt *bs)
{
EPS_PRIMME *ops = (EPS_PRIMME *) eps->data;
PetscFunctionBegin;
if (bs) *bs = ops->primme.maxBlockSize;
PetscFunctionReturn(0);
}
EXTERN_C_END
#undef __FUNCT__
#define __FUNCT__ "EPSPRIMMEGetBlockSize"
/*@
EPSPRIMMEGetBlockSize - Get the maximum block size the code will try to use.
Collective on EPS
Input Parameters:
. eps - the eigenproblem solver context
Output Parameters:
. bs - returned block size
Level: advanced
.seealso: EPSPRIMMESetBlockSize()
@*/
PetscErrorCode EPSPRIMMEGetBlockSize(EPS eps,PetscInt *bs)
{
PetscErrorCode ierr;
PetscFunctionBegin;
PetscValidHeaderSpecific(eps,EPS_CLASSID,1);
ierr = PetscTryMethod(eps,"EPSPRIMMEGetBlockSize_C",(EPS,PetscInt*),(eps,bs));CHKERRQ(ierr);
PetscFunctionReturn(0);
}
EXTERN_C_BEGIN
#undef __FUNCT__
#define __FUNCT__ "EPSPRIMMESetMethod_PRIMME"
PetscErrorCode EPSPRIMMESetMethod_PRIMME(EPS eps,EPSPRIMMEMethod method)
{
EPS_PRIMME *ops = (EPS_PRIMME *) eps->data;
PetscFunctionBegin;
if (method == PETSC_DEFAULT) ops->method = DEFAULT_MIN_TIME;
else ops->method = (primme_preset_method)method;
PetscFunctionReturn(0);
}
EXTERN_C_END
#undef __FUNCT__
#define __FUNCT__ "EPSPRIMMESetMethod"
/*@
EPSPRIMMESetMethod - Sets the method for the PRIMME library.
Collective on EPS
Input Parameters:
+ eps - the eigenproblem solver context
- method - method that will be used by PRIMME. It must be one of:
EPS_PRIMME_DYNAMIC, EPS_PRIMME_DEFAULT_MIN_TIME(EPS_PRIMME_JDQMR_ETOL),
EPS_PRIMME_DEFAULT_MIN_MATVECS(EPS_PRIMME_GD_OLSEN_PLUSK), EPS_PRIMME_ARNOLDI,
EPS_PRIMME_GD, EPS_PRIMME_GD_PLUSK, EPS_PRIMME_GD_OLSEN_PLUSK,
EPS_PRIMME_JD_OLSEN_PLUSK, EPS_PRIMME_RQI, EPS_PRIMME_JDQR, EPS_PRIMME_JDQMR,
EPS_PRIMME_JDQMR_ETOL, EPS_PRIMME_SUBSPACE_ITERATION,
EPS_PRIMME_LOBPCG_ORTHOBASIS, EPS_PRIMME_LOBPCG_ORTHOBASISW
Options Database Key:
. -eps_primme_set_method - Sets the method for the PRIMME library.
Note:
If not set, the method defaults to EPS_PRIMME_DEFAULT_MIN_TIME.
Level: advanced
.seealso: EPSPRIMMEGetMethod(), EPSPRIMMEMethod
@*/
PetscErrorCode EPSPRIMMESetMethod(EPS eps,EPSPRIMMEMethod method)
{
PetscErrorCode ierr;
PetscFunctionBegin;
PetscValidHeaderSpecific(eps,EPS_CLASSID,1);
PetscValidLogicalCollectiveEnum(eps,method,2);
ierr = PetscTryMethod(eps,"EPSPRIMMESetMethod_C",(EPS,EPSPRIMMEMethod),(eps,method));CHKERRQ(ierr);
PetscFunctionReturn(0);
}
EXTERN_C_BEGIN
#undef __FUNCT__
#define __FUNCT__ "EPSPRIMMEGetMethod_PRIMME"
PetscErrorCode EPSPRIMMEGetMethod_PRIMME(EPS eps,EPSPRIMMEMethod *method)
{
EPS_PRIMME *ops = (EPS_PRIMME *) eps->data;
PetscFunctionBegin;
if (method) *method = (EPSPRIMMEMethod)ops->method;
PetscFunctionReturn(0);
}
EXTERN_C_END
#undef __FUNCT__
#define __FUNCT__ "EPSPRIMMEGetMethod"
/*@C
EPSPRIMMEGetMethod - Gets the method for the PRIMME library.
Mon Collective on EPS
Input Parameters:
. eps - the eigenproblem solver context
Output Parameters:
. method - method that will be used by PRIMME. It must be one of:
EPS_PRIMME_DYNAMIC, EPS_PRIMME_DEFAULT_MIN_TIME(EPS_PRIMME_JDQMR_ETOL),
EPS_PRIMME_DEFAULT_MIN_MATVECS(EPS_PRIMME_GD_OLSEN_PLUSK), EPS_PRIMME_ARNOLDI,
EPS_PRIMME_GD, EPS_PRIMME_GD_PLUSK, EPS_PRIMME_GD_OLSEN_PLUSK,
EPS_PRIMME_JD_OLSEN_PLUSK, EPS_PRIMME_RQI, EPS_PRIMME_JDQR, EPS_PRIMME_JDQMR,
EPS_PRIMME_JDQMR_ETOL, EPS_PRIMME_SUBSPACE_ITERATION,
EPS_PRIMME_LOBPCG_ORTHOBASIS, EPS_PRIMME_LOBPCG_ORTHOBASISW
Level: advanced
.seealso: EPSPRIMMESetMethod(), EPSPRIMMEMethod
@*/
PetscErrorCode EPSPRIMMEGetMethod(EPS eps, EPSPRIMMEMethod *method)
{
PetscErrorCode ierr;
PetscFunctionBegin;
PetscValidHeaderSpecific(eps,EPS_CLASSID,1);
ierr = PetscTryMethod(eps,"EPSPRIMMEGetMethod_C",(EPS,EPSPRIMMEMethod*),(eps,method));CHKERRQ(ierr);
PetscFunctionReturn(0);
}
EXTERN_C_BEGIN
#undef __FUNCT__
#define __FUNCT__ "EPSCreate_PRIMME"
PetscErrorCode EPSCreate_PRIMME(EPS eps)
{
PetscErrorCode ierr;
EPS_PRIMME *primme;
PetscFunctionBegin;
ierr = STSetType(eps->OP, STPRECOND); CHKERRQ(ierr);
ierr = STPrecondSetKSPHasMat(eps->OP, PETSC_TRUE); CHKERRQ(ierr);
ierr = PetscNew(EPS_PRIMME,&primme);CHKERRQ(ierr);
PetscLogObjectMemory(eps,sizeof(EPS_PRIMME));
eps->data = (void *) primme;
eps->ops->setup = EPSSetUp_PRIMME;
eps->ops->setfromoptions = EPSSetFromOptions_PRIMME;
eps->ops->destroy = EPSDestroy_PRIMME;
eps->ops->view = EPSView_PRIMME;
eps->ops->backtransform = EPSBackTransform_Default;
eps->ops->computevectors = EPSComputeVectors_Default;
primme_initialize(&primme->primme);
primme->primme.matrixMatvec = multMatvec_PRIMME;
primme->primme.globalSumDouble = par_GlobalSumDouble;
primme->method = (primme_preset_method)EPS_PRIMME_DEFAULT_MIN_TIME;
ierr = PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMESetBlockSize_C","EPSPRIMMESetBlockSize_PRIMME",EPSPRIMMESetBlockSize_PRIMME);CHKERRQ(ierr);
ierr = PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMESetMethod_C","EPSPRIMMESetMethod_PRIMME",EPSPRIMMESetMethod_PRIMME);CHKERRQ(ierr);
ierr = PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMEGetBlockSize_C","EPSPRIMMEGetBlockSize_PRIMME",EPSPRIMMEGetBlockSize_PRIMME);CHKERRQ(ierr);
ierr = PetscObjectComposeFunctionDynamic((PetscObject)eps,"EPSPRIMMEGetMethod_C","EPSPRIMMEGetMethod_PRIMME",EPSPRIMMEGetMethod_PRIMME);CHKERRQ(ierr);
PetscFunctionReturn(0);
}
EXTERN_C_END