/usr/lib/slepcdir/3.7.4/x86_64-linux-gnu-complex/include/slepc/private/epsimpl.h is in libslepc-complex-3.7.4-dev 3.7.4+dfsg1-2build8.
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SLEPc - Scalable Library for Eigenvalue Problem Computations
Copyright (c) 2002-2016, 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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*/
#if !defined(_EPSIMPL)
#define _EPSIMPL
#include <slepceps.h>
#include <slepc/private/slepcimpl.h>
PETSC_EXTERN PetscBool EPSRegisterAllCalled;
PETSC_EXTERN PetscErrorCode EPSRegisterAll(void);
PETSC_EXTERN PetscLogEvent EPS_SetUp,EPS_Solve;
typedef struct _EPSOps *EPSOps;
struct _EPSOps {
PetscErrorCode (*solve)(EPS);
PetscErrorCode (*setup)(EPS);
PetscErrorCode (*setfromoptions)(PetscOptionItems*,EPS);
PetscErrorCode (*publishoptions)(EPS);
PetscErrorCode (*destroy)(EPS);
PetscErrorCode (*reset)(EPS);
PetscErrorCode (*view)(EPS,PetscViewer);
PetscErrorCode (*backtransform)(EPS);
PetscErrorCode (*computevectors)(EPS);
};
/*
Maximum number of monitors you can run with a single EPS
*/
#define MAXEPSMONITORS 5
typedef enum { EPS_STATE_INITIAL,
EPS_STATE_SETUP,
EPS_STATE_SOLVED,
EPS_STATE_EIGENVECTORS } EPSStateType;
/*
Defines the EPS data structure.
*/
struct _p_EPS {
PETSCHEADER(struct _EPSOps);
/*------------------------- User parameters ---------------------------*/
PetscInt max_it; /* maximum number of iterations */
PetscInt nev; /* number of eigenvalues to compute */
PetscInt ncv; /* number of basis vectors */
PetscInt mpd; /* maximum dimension of projected problem */
PetscInt nini; /* number of initial vectors (negative means not copied yet) */
PetscInt nds; /* number of basis vectors of deflation space */
PetscScalar target; /* target value */
PetscReal tol; /* tolerance */
EPSConv conv; /* convergence test */
EPSStop stop; /* stopping test */
EPSWhich which; /* which part of the spectrum to be sought */
PetscReal inta,intb; /* interval [a,b] for spectrum slicing */
EPSProblemType problem_type; /* which kind of problem to be solved */
EPSExtraction extraction; /* which kind of extraction to be applied */
EPSBalance balance; /* the balancing method */
PetscInt balance_its; /* number of iterations of the balancing method */
PetscReal balance_cutoff; /* cutoff value for balancing */
PetscBool trueres; /* whether the true residual norm must be computed */
PetscBool trackall; /* whether all the residuals must be computed */
PetscBool purify; /* whether eigenvectors need to be purified */
/*-------------- User-provided functions and contexts -----------------*/
PetscErrorCode (*converged)(EPS,PetscScalar,PetscScalar,PetscReal,PetscReal*,void*);
PetscErrorCode (*convergeddestroy)(void*);
PetscErrorCode (*stopping)(EPS,PetscInt,PetscInt,PetscInt,PetscInt,EPSConvergedReason*,void*);
PetscErrorCode (*stoppingdestroy)(void*);
PetscErrorCode (*arbitrary)(PetscScalar,PetscScalar,Vec,Vec,PetscScalar*,PetscScalar*,void*);
void *convergedctx;
void *stoppingctx;
void *arbitraryctx;
PetscErrorCode (*monitor[MAXEPSMONITORS])(EPS,PetscInt,PetscInt,PetscScalar*,PetscScalar*,PetscReal*,PetscInt,void*);
PetscErrorCode (*monitordestroy[MAXEPSMONITORS])(void**);
void *monitorcontext[MAXEPSMONITORS];
PetscInt numbermonitors;
/*----------------- Child objects and working data -------------------*/
ST st; /* spectral transformation object */
DS ds; /* direct solver object */
BV V; /* set of basis vectors and computed eigenvectors */
RG rg; /* optional region for filtering */
SlepcSC sc; /* sorting criterion data */
Vec D; /* diagonal matrix for balancing */
Vec *IS; /* references to user-provided initial space */
Vec *defl; /* references to user-provided deflation space */
PetscScalar *eigr,*eigi; /* real and imaginary parts of eigenvalues */
PetscReal *errest; /* error estimates */
PetscScalar *rr,*ri; /* values computed by user's arbitrary selection function */
PetscInt *perm; /* permutation for eigenvalue ordering */
PetscInt nwork; /* number of work vectors */
Vec *work; /* work vectors */
void *data; /* placeholder for solver-specific stuff */
/* ----------------------- Status variables --------------------------*/
EPSStateType state; /* initial -> setup -> solved -> eigenvectors */
PetscInt nconv; /* number of converged eigenvalues */
PetscInt its; /* number of iterations so far computed */
PetscInt n,nloc; /* problem dimensions (global, local) */
PetscReal nrma,nrmb; /* computed matrix norms */
PetscBool isgeneralized;
PetscBool ispositive;
PetscBool ishermitian;
EPSConvergedReason reason;
};
/*
Macros to test valid EPS arguments
*/
#if !defined(PETSC_USE_DEBUG)
#define EPSCheckSolved(h,arg) do {} while (0)
#else
#define EPSCheckSolved(h,arg) \
do { \
if (h->state<EPS_STATE_SOLVED) SETERRQ1(PetscObjectComm((PetscObject)h),PETSC_ERR_ARG_WRONGSTATE,"Must call EPSSolve() first: Parameter #%d",arg); \
} while (0)
#endif
#undef __FUNCT__
#define __FUNCT__ "EPS_SetInnerProduct"
/*
EPS_SetInnerProduct - set B matrix for inner product if appropriate.
*/
PETSC_STATIC_INLINE PetscErrorCode EPS_SetInnerProduct(EPS eps)
{
PetscErrorCode ierr;
Mat B;
PetscFunctionBegin;
if (!eps->V) { ierr = EPSGetBV(eps,&eps->V);CHKERRQ(ierr); }
if (eps->ispositive || (eps->isgeneralized && eps->ishermitian)) {
ierr = STGetBilinearForm(eps->st,&B);CHKERRQ(ierr);
ierr = BVSetMatrix(eps->V,B,PetscNot(eps->ispositive));CHKERRQ(ierr);
ierr = MatDestroy(&B);CHKERRQ(ierr);
} else {
ierr = BVSetMatrix(eps->V,NULL,PETSC_FALSE);CHKERRQ(ierr);
}
PetscFunctionReturn(0);
}
PETSC_INTERN PetscErrorCode EPSSetWhichEigenpairs_Default(EPS);
PETSC_INTERN PetscErrorCode EPSSetDimensions_Default(EPS,PetscInt,PetscInt*,PetscInt*);
PETSC_INTERN PetscErrorCode EPSBackTransform_Default(EPS);
PETSC_INTERN PetscErrorCode EPSComputeVectors(EPS);
PETSC_INTERN PetscErrorCode EPSComputeVectors_Hermitian(EPS);
PETSC_INTERN PetscErrorCode EPSComputeVectors_Schur(EPS);
PETSC_INTERN PetscErrorCode EPSComputeVectors_Indefinite(EPS);
PETSC_INTERN PetscErrorCode EPSComputeVectors_Slice(EPS);
PETSC_INTERN PetscErrorCode EPSComputeResidualNorm_Private(EPS,PetscScalar,PetscScalar,Vec,Vec,Vec*,PetscReal*);
PETSC_INTERN PetscErrorCode EPSComputeRitzVector(EPS,PetscScalar*,PetscScalar*,BV,Vec,Vec);
PETSC_INTERN PetscErrorCode EPSGetStartVector(EPS,PetscInt,PetscBool*);
/* Private functions of the solver implementations */
PETSC_INTERN PetscErrorCode EPSBasicArnoldi(EPS,PetscBool,PetscScalar*,PetscInt,PetscInt,PetscInt*,PetscReal*,PetscBool*);
PETSC_INTERN PetscErrorCode EPSDelayedArnoldi(EPS,PetscScalar*,PetscInt,PetscInt,PetscInt*,PetscReal*,PetscBool*);
PETSC_INTERN PetscErrorCode EPSDelayedArnoldi1(EPS,PetscScalar*,PetscInt,PetscInt,PetscInt*,PetscReal*,PetscBool*);
PETSC_INTERN PetscErrorCode EPSKrylovConvergence(EPS,PetscBool,PetscInt,PetscInt,PetscReal,PetscReal,PetscInt*);
PETSC_INTERN PetscErrorCode EPSFullLanczos(EPS,PetscReal*,PetscReal*,PetscInt,PetscInt*,PetscBool*);
PETSC_INTERN PetscErrorCode EPSPseudoLanczos(EPS,PetscReal*,PetscReal*,PetscReal*,PetscInt,PetscInt*,PetscBool*,PetscBool*,PetscReal*,Vec);
PETSC_INTERN PetscErrorCode EPSBuildBalance_Krylov(EPS);
#endif
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