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/*
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SLEPc - Scalable Library for Eigenvalue Problem Computations
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Copyright (c) 2002-2011, Universitat Politecnica de Valencia, Spain
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This file is part of SLEPc.
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SLEPc is free software: you can redistribute it and/or modify it under the
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terms of version 3 of the GNU Lesser General Public License as published by
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the Free Software Foundation.
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SLEPc is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with SLEPc. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _PSIMPL
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#define _PSIMPL
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#include <slepcps.h>
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extern PetscLogEvent PS_Solve,PS_Sort,PS_Other;
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extern const char *PSMatName[];
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typedef struct _PSOps *PSOps;
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struct _PSOps {
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PetscErrorCode (*allocate)(PS,PetscInt);
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PetscErrorCode (*view)(PS,PetscViewer);
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PetscErrorCode (*computevector)(PS,PetscInt,PSMatType,PetscBool*);
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PetscErrorCode (*solve)(PS,PetscScalar*,PetscScalar*);
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PetscErrorCode (*sort)(PS,PetscScalar*,PetscScalar*,PetscErrorCode(*)(PetscScalar,PetscScalar,PetscScalar,PetscScalar,PetscInt*,void*),void*);
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PetscErrorCode (*cond)(PS,PetscReal*);
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PetscErrorCode (*translate)(PS,PetscScalar,PetscReal,PetscBool,PetscScalar*,PetscReal*);
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};
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struct _p_PS {
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PETSCHEADER(struct _PSOps);
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PetscInt ld; /* leading dimension */
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PetscInt l; /* number of locked (inactive) leading columns */
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PetscInt n; /* current dimension */
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PetscInt k; /* intermediate dimension (e.g. position of arrow) */
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PSStateType state; /* the current state */
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PetscScalar *mat[PS_NUM_MAT]; /* the matrices */
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PetscReal *rmat[PS_NUM_MAT]; /* the matrices (real) */
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PetscScalar *work;
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PetscReal *rwork;
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PetscBLASInt *iwork;
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PetscInt lwork,lrwork,liwork;
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};
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extern PetscErrorCode PSAllocateMat_Private(PS,PSMatType);
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extern PetscErrorCode PSAllocateMatReal_Private(PS,PSMatType);
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extern PetscErrorCode PSAllocateWork_Private(PS,PetscInt,PetscInt,PetscInt);
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extern PetscErrorCode PSViewMat_Private(PS,PetscViewer,PSMatType);
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extern PetscErrorCode PSSortEigenvaluesReal_Private(PS,PetscInt,PetscReal*,PetscInt*,PetscErrorCode (*)(PetscScalar,PetscScalar,PetscScalar,PetscScalar,PetscInt*,void*),void*);
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extern PetscErrorCode PSPermuteColumns_Private(PS,PetscInt,PSMatType,PetscInt*);
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#endif
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