/*
Private header for QEPLINEAR.
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SLEPc - Scalable Library for Eigenvalue Problem Computations
Copyright (c) 2002-2009, 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/>.
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*/
typedef struct {
PetscTruth explicitmatrix;
PetscInt cform; /* companion form */
Mat A,B; /* matrices of generalized eigenproblem */
EPS eps; /* linear eigensolver for Az=lBz */
Mat M,C,K; /* copy of QEP coefficient matrices */
Vec x1,x2,y1,y2; /* work vectors */
} QEP_LINEAR;
/* N1 */
EXTERN PetscErrorCode MatMult_QEPLINEAR_N1A(Mat,Vec,Vec);
EXTERN PetscErrorCode MatMult_QEPLINEAR_N1B(Mat,Vec,Vec);
EXTERN PetscErrorCode MatGetDiagonal_QEPLINEAR_N1A(Mat,Vec);
EXTERN PetscErrorCode MatGetDiagonal_QEPLINEAR_N1B(Mat,Vec);
EXTERN PetscErrorCode MatCreateExplicit_QEPLINEAR_N1A(MPI_Comm,QEP_LINEAR*,Mat*);
EXTERN PetscErrorCode MatCreateExplicit_QEPLINEAR_N1B(MPI_Comm,QEP_LINEAR*,Mat*);
/* N2 */
EXTERN PetscErrorCode MatMult_QEPLINEAR_N2A(Mat,Vec,Vec);
EXTERN PetscErrorCode MatMult_QEPLINEAR_N2B(Mat,Vec,Vec);
EXTERN PetscErrorCode MatGetDiagonal_QEPLINEAR_N2A(Mat,Vec);
EXTERN PetscErrorCode MatGetDiagonal_QEPLINEAR_N2B(Mat,Vec);
EXTERN PetscErrorCode MatCreateExplicit_QEPLINEAR_N2A(MPI_Comm,QEP_LINEAR*,Mat*);
EXTERN PetscErrorCode MatCreateExplicit_QEPLINEAR_N2B(MPI_Comm,QEP_LINEAR*,Mat*);