/*
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SLEPc - Scalable Library for Eigenvalue Problem Computations
Copyright (c) 2002-2011, Universitat 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/>.
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*/
#ifndef _PSIMPL
#define _PSIMPL
#include <slepcps.h>
extern PetscLogEvent PS_Solve,PS_Sort,PS_Vectors,PS_Other;
extern const char *PSMatName[];
typedef struct _PSOps *PSOps;
struct _PSOps {
PetscErrorCode (*allocate)(PS,PetscInt);
PetscErrorCode (*view)(PS,PetscViewer);
PetscErrorCode (*vectors)(PS,PSMatType,PetscInt*,PetscReal*);
PetscErrorCode (*solve)(PS,PetscScalar*,PetscScalar*);
PetscErrorCode (*sort)(PS,PetscScalar*,PetscScalar*,PetscErrorCode(*)(PetscScalar,PetscScalar,PetscScalar,PetscScalar,PetscInt*,void*),void*);
PetscErrorCode (*cond)(PS,PetscReal*);
PetscErrorCode (*transharm)(PS,PetscScalar,PetscReal,PetscBool,PetscScalar*,PetscReal*);
PetscErrorCode (*transrks)(PS,PetscScalar);
};
struct _p_PS {
PETSCHEADER(struct _PSOps);
PetscInt method; /* identifies the variant to be used */
PetscInt nmeth; /* number of methods available in this ps */
PetscBool compact; /* whether the matrices are stored in compact form */
PetscBool refined; /* get refined vectors instead of regular vectors */
PetscInt ld; /* leading dimension */
PetscInt l; /* number of locked (inactive) leading columns */
PetscInt n; /* current dimension */
PetscInt k; /* intermediate dimension (e.g. position of arrow) */
PSStateType state; /* the current state */
PetscScalar *mat[PS_NUM_MAT]; /* the matrices */
PetscReal *rmat[PS_NUM_MAT]; /* the matrices (real) */
PetscScalar *work;
PetscReal *rwork;
PetscBLASInt *iwork;
PetscInt lwork,lrwork,liwork;
};
extern PetscErrorCode PSAllocateMat_Private(PS,PSMatType);
extern PetscErrorCode PSAllocateMatReal_Private(PS,PSMatType);
extern PetscErrorCode PSAllocateWork_Private(PS,PetscInt,PetscInt,PetscInt);
extern PetscErrorCode PSViewMat_Private(PS,PetscViewer,PSMatType);
extern PetscErrorCode PSSortEigenvaluesReal_Private(PS,PetscInt,PetscReal*,PetscInt*,PetscErrorCode (*)(PetscScalar,PetscScalar,PetscScalar,PetscScalar,PetscInt*,void*),void*);
extern PetscErrorCode PSPermuteColumns_Private(PS,PetscInt,PSMatType,PetscInt*);
#endif