/usr/lib/slepcdir/3.4.2/include/slepceps.h is in libslepc3.4.2-dev 3.4.2.dfsg-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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User interface for the SLEPC eigenproblem solvers.
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SLEPc - Scalable Library for Eigenvalue Problem Computations
Copyright (c) 2002-2013, 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(__SLEPCEPS_H)
#define __SLEPCEPS_H
#include <slepcst.h>
#include <slepcip.h>
#include <slepcds.h>
PETSC_EXTERN PetscErrorCode EPSInitializePackage(void);
/*S
EPS - Abstract SLEPc object that manages all the eigenvalue
problem solvers.
Level: beginner
.seealso: EPSCreate(), ST
S*/
typedef struct _p_EPS* EPS;
/*J
EPSType - String with the name of a SLEPc eigensolver
Level: beginner
.seealso: EPSSetType(), EPS
J*/
typedef const char* EPSType;
#define EPSPOWER "power"
#define EPSSUBSPACE "subspace"
#define EPSARNOLDI "arnoldi"
#define EPSLANCZOS "lanczos"
#define EPSKRYLOVSCHUR "krylovschur"
#define EPSGD "gd"
#define EPSJD "jd"
#define EPSRQCG "rqcg"
#define EPSCISS "ciss"
#define EPSLAPACK "lapack"
#define EPSARPACK "arpack"
#define EPSBLZPACK "blzpack"
#define EPSTRLAN "trlan"
#define EPSBLOPEX "blopex"
#define EPSPRIMME "primme"
#define EPSFEAST "feast"
/* Logging support */
PETSC_EXTERN PetscClassId EPS_CLASSID;
/*E
EPSProblemType - Determines the type of eigenvalue problem
Level: beginner
.seealso: EPSSetProblemType(), EPSGetProblemType()
E*/
typedef enum { EPS_HEP=1,
EPS_GHEP,
EPS_NHEP,
EPS_GNHEP,
EPS_PGNHEP,
EPS_GHIEP } EPSProblemType;
/*E
EPSExtraction - Determines the type of extraction technique employed
by the eigensolver
Level: beginner
.seealso: EPSSetExtraction(), EPSGetExtraction()
E*/
typedef enum { EPS_RITZ=1,
EPS_HARMONIC,
EPS_HARMONIC_RELATIVE,
EPS_HARMONIC_RIGHT,
EPS_HARMONIC_LARGEST,
EPS_REFINED,
EPS_REFINED_HARMONIC } EPSExtraction;
/*E
EPSWhich - Determines which part of the spectrum is requested
Level: intermediate
.seealso: EPSSetWhichEigenpairs(), EPSGetWhichEigenpairs()
E*/
typedef enum { EPS_LARGEST_MAGNITUDE=1,
EPS_SMALLEST_MAGNITUDE,
EPS_LARGEST_REAL,
EPS_SMALLEST_REAL,
EPS_LARGEST_IMAGINARY,
EPS_SMALLEST_IMAGINARY,
EPS_TARGET_MAGNITUDE,
EPS_TARGET_REAL,
EPS_TARGET_IMAGINARY,
EPS_ALL,
EPS_WHICH_USER } EPSWhich;
/*E
EPSBalance - The type of balancing used for non-Hermitian problems
Level: intermediate
.seealso: EPSSetBalance()
E*/
typedef enum { EPS_BALANCE_NONE=1,
EPS_BALANCE_ONESIDE,
EPS_BALANCE_TWOSIDE,
EPS_BALANCE_USER } EPSBalance;
/*E
EPSConv - Determines the convergence test
Level: intermediate
.seealso: EPSSetConvergenceTest(), EPSSetConvergenceTestFunction()
E*/
typedef enum { EPS_CONV_ABS=1,
EPS_CONV_EIG,
EPS_CONV_NORM,
EPS_CONV_USER } EPSConv;
PETSC_EXTERN PetscErrorCode EPSCreate(MPI_Comm,EPS *);
PETSC_EXTERN PetscErrorCode EPSDestroy(EPS*);
PETSC_EXTERN PetscErrorCode EPSReset(EPS);
PETSC_EXTERN PetscErrorCode EPSSetType(EPS,EPSType);
PETSC_EXTERN PetscErrorCode EPSGetType(EPS,EPSType*);
PETSC_EXTERN PetscErrorCode EPSSetProblemType(EPS,EPSProblemType);
PETSC_EXTERN PetscErrorCode EPSGetProblemType(EPS,EPSProblemType*);
PETSC_EXTERN PetscErrorCode EPSSetExtraction(EPS,EPSExtraction);
PETSC_EXTERN PetscErrorCode EPSGetExtraction(EPS,EPSExtraction*);
PETSC_EXTERN PetscErrorCode EPSSetBalance(EPS,EPSBalance,PetscInt,PetscReal);
PETSC_EXTERN PetscErrorCode EPSGetBalance(EPS,EPSBalance*,PetscInt*,PetscReal*);
PETSC_EXTERN PetscErrorCode EPSSetOperators(EPS,Mat,Mat);
PETSC_EXTERN PetscErrorCode EPSGetOperators(EPS,Mat*,Mat*);
PETSC_EXTERN PetscErrorCode EPSSetFromOptions(EPS);
PETSC_EXTERN PetscErrorCode EPSSetUp(EPS);
PETSC_EXTERN PetscErrorCode EPSSolve(EPS);
PETSC_EXTERN PetscErrorCode EPSView(EPS,PetscViewer);
PETSC_EXTERN PetscErrorCode EPSPrintSolution(EPS,PetscViewer);
PETSC_EXTERN PetscErrorCode EPSSetTarget(EPS,PetscScalar);
PETSC_EXTERN PetscErrorCode EPSGetTarget(EPS,PetscScalar*);
PETSC_EXTERN PetscErrorCode EPSSetInterval(EPS,PetscReal,PetscReal);
PETSC_EXTERN PetscErrorCode EPSGetInterval(EPS,PetscReal*,PetscReal*);
PETSC_EXTERN PetscErrorCode EPSSetST(EPS,ST);
PETSC_EXTERN PetscErrorCode EPSGetST(EPS,ST*);
PETSC_EXTERN PetscErrorCode EPSSetIP(EPS,IP);
PETSC_EXTERN PetscErrorCode EPSGetIP(EPS,IP*);
PETSC_EXTERN PetscErrorCode EPSSetDS(EPS,DS);
PETSC_EXTERN PetscErrorCode EPSGetDS(EPS,DS*);
PETSC_EXTERN PetscErrorCode EPSSetTolerances(EPS,PetscReal,PetscInt);
PETSC_EXTERN PetscErrorCode EPSGetTolerances(EPS,PetscReal*,PetscInt*);
PETSC_EXTERN PetscErrorCode EPSSetConvergenceTestFunction(EPS,PetscErrorCode (*)(EPS,PetscScalar,PetscScalar,PetscReal,PetscReal*,void*),void*);
PETSC_EXTERN PetscErrorCode EPSSetConvergenceTest(EPS eps,EPSConv conv);
PETSC_EXTERN PetscErrorCode EPSGetConvergenceTest(EPS eps,EPSConv *conv);
PETSC_EXTERN PetscErrorCode EPSConvergedEigRelative(EPS,PetscScalar,PetscScalar,PetscReal,PetscReal*,void*);
PETSC_EXTERN PetscErrorCode EPSConvergedAbsolute(EPS,PetscScalar,PetscScalar,PetscReal,PetscReal*,void*);
PETSC_EXTERN PetscErrorCode EPSConvergedNormRelative(EPS,PetscScalar,PetscScalar,PetscReal,PetscReal*,void*);
PETSC_EXTERN PetscErrorCode EPSSetDimensions(EPS,PetscInt,PetscInt,PetscInt);
PETSC_EXTERN PetscErrorCode EPSGetDimensions(EPS,PetscInt*,PetscInt*,PetscInt*);
PETSC_EXTERN PetscErrorCode EPSGetConverged(EPS,PetscInt*);
PETSC_EXTERN PetscErrorCode EPSGetEigenpair(EPS,PetscInt,PetscScalar*,PetscScalar*,Vec,Vec);
PETSC_EXTERN PetscErrorCode EPSGetEigenvalue(EPS,PetscInt,PetscScalar*,PetscScalar*);
PETSC_EXTERN PetscErrorCode EPSGetEigenvector(EPS,PetscInt,Vec,Vec);
PETSC_EXTERN PetscErrorCode EPSGetEigenvectorLeft(EPS,PetscInt,Vec,Vec);
PETSC_EXTERN PetscErrorCode EPSComputeRelativeError(EPS,PetscInt,PetscReal*);
PETSC_EXTERN PetscErrorCode EPSComputeRelativeErrorLeft(EPS,PetscInt,PetscReal*);
PETSC_EXTERN PetscErrorCode EPSComputeResidualNorm(EPS,PetscInt,PetscReal*);
PETSC_EXTERN PetscErrorCode EPSComputeResidualNormLeft(EPS,PetscInt,PetscReal*);
PETSC_EXTERN PetscErrorCode EPSGetInvariantSubspace(EPS,Vec*);
PETSC_EXTERN PetscErrorCode EPSGetInvariantSubspaceLeft(EPS,Vec*);
PETSC_EXTERN PetscErrorCode EPSGetErrorEstimate(EPS,PetscInt,PetscReal*);
PETSC_EXTERN PetscErrorCode EPSGetErrorEstimateLeft(EPS,PetscInt,PetscReal*);
PETSC_EXTERN PetscErrorCode EPSMonitor(EPS,PetscInt,PetscInt,PetscScalar*,PetscScalar*,PetscReal*,PetscInt);
PETSC_EXTERN PetscErrorCode EPSMonitorSet(EPS,PetscErrorCode (*)(EPS,PetscInt,PetscInt,PetscScalar*,PetscScalar*,PetscReal*,PetscInt,void*),void*,PetscErrorCode (*)(void**));
PETSC_EXTERN PetscErrorCode EPSMonitorCancel(EPS);
PETSC_EXTERN PetscErrorCode EPSGetMonitorContext(EPS,void **);
PETSC_EXTERN PetscErrorCode EPSGetIterationNumber(EPS,PetscInt*);
PETSC_EXTERN PetscErrorCode EPSGetOperationCounters(EPS,PetscInt*,PetscInt*,PetscInt*);
PETSC_EXTERN PetscErrorCode EPSSetWhichEigenpairs(EPS,EPSWhich);
PETSC_EXTERN PetscErrorCode EPSGetWhichEigenpairs(EPS,EPSWhich*);
PETSC_EXTERN PetscErrorCode EPSSetLeftVectorsWanted(EPS,PetscBool);
PETSC_EXTERN PetscErrorCode EPSGetLeftVectorsWanted(EPS,PetscBool*);
PETSC_EXTERN PetscErrorCode EPSSetMatrixNorms(EPS,PetscReal,PetscReal,PetscBool);
PETSC_EXTERN PetscErrorCode EPSGetMatrixNorms(EPS,PetscReal*,PetscReal*,PetscBool*);
PETSC_EXTERN PetscErrorCode EPSSetTrueResidual(EPS,PetscBool);
PETSC_EXTERN PetscErrorCode EPSGetTrueResidual(EPS,PetscBool*);
PETSC_EXTERN PetscErrorCode EPSSetEigenvalueComparison(EPS,PetscErrorCode (*func)(PetscScalar,PetscScalar,PetscScalar,PetscScalar,PetscInt*,void*),void*);
PETSC_EXTERN PetscErrorCode EPSSetArbitrarySelection(EPS,PetscErrorCode (*func)(PetscScalar,PetscScalar,Vec,Vec,PetscScalar*,PetscScalar*,void*),void*);
PETSC_EXTERN PetscErrorCode EPSIsGeneralized(EPS,PetscBool*);
PETSC_EXTERN PetscErrorCode EPSIsHermitian(EPS,PetscBool*);
PETSC_EXTERN PetscErrorCode EPSIsPositive(EPS,PetscBool*);
PETSC_EXTERN PetscErrorCode EPSMonitorFirst(EPS,PetscInt,PetscInt,PetscScalar*,PetscScalar*,PetscReal*,PetscInt,void*);
PETSC_EXTERN PetscErrorCode EPSMonitorAll(EPS,PetscInt,PetscInt,PetscScalar*,PetscScalar*,PetscReal*,PetscInt,void*);
PETSC_EXTERN PetscErrorCode EPSMonitorConverged(EPS,PetscInt,PetscInt,PetscScalar*,PetscScalar*,PetscReal*,PetscInt,void*);
PETSC_EXTERN PetscErrorCode EPSMonitorLG(EPS,PetscInt,PetscInt,PetscScalar*,PetscScalar*,PetscReal*,PetscInt,void*);
PETSC_EXTERN PetscErrorCode EPSMonitorLGAll(EPS,PetscInt,PetscInt,PetscScalar*,PetscScalar*,PetscReal*,PetscInt,void*);
PETSC_EXTERN PetscErrorCode EPSSetTrackAll(EPS,PetscBool);
PETSC_EXTERN PetscErrorCode EPSGetTrackAll(EPS,PetscBool*);
PETSC_EXTERN PetscErrorCode EPSSetDeflationSpace(EPS,PetscInt,Vec*);
PETSC_EXTERN PetscErrorCode EPSRemoveDeflationSpace(EPS);
PETSC_EXTERN PetscErrorCode EPSSetInitialSpace(EPS,PetscInt,Vec*);
PETSC_EXTERN PetscErrorCode EPSSetInitialSpaceLeft(EPS,PetscInt,Vec*);
PETSC_EXTERN PetscErrorCode EPSSetOptionsPrefix(EPS,const char*);
PETSC_EXTERN PetscErrorCode EPSAppendOptionsPrefix(EPS,const char*);
PETSC_EXTERN PetscErrorCode EPSGetOptionsPrefix(EPS,const char*[]);
/*E
EPSConvergedReason - Reason an eigensolver was said to
have converged or diverged
Level: beginner
.seealso: EPSSolve(), EPSGetConvergedReason(), EPSSetTolerances()
E*/
typedef enum {/* converged */
EPS_CONVERGED_TOL = 2,
/* diverged */
EPS_DIVERGED_ITS = -3,
EPS_DIVERGED_BREAKDOWN = -4,
EPS_CONVERGED_ITERATING = 0} EPSConvergedReason;
PETSC_EXTERN PetscErrorCode EPSGetConvergedReason(EPS,EPSConvergedReason *);
PETSC_EXTERN PetscErrorCode EPSSortEigenvalues(EPS,PetscInt,PetscScalar*,PetscScalar*,PetscInt*);
PETSC_EXTERN PetscErrorCode EPSCompareEigenvalues(EPS,PetscScalar,PetscScalar,PetscScalar,PetscScalar,PetscInt*);
PETSC_EXTERN PetscErrorCode EPSGetStartVector(EPS,PetscInt,Vec,PetscBool*);
PETSC_EXTERN PetscErrorCode EPSGetStartVectorLeft(EPS,PetscInt,Vec,PetscBool*);
PETSC_EXTERN PetscFunctionList EPSList;
PETSC_EXTERN PetscBool EPSRegisterAllCalled;
PETSC_EXTERN PetscErrorCode EPSRegisterAll(void);
PETSC_EXTERN PetscErrorCode EPSRegister(const char[],PetscErrorCode(*)(EPS));
PETSC_EXTERN PetscErrorCode EPSSetWorkVecs(EPS,PetscInt);
/* --------- options specific to particular eigensolvers -------- */
/*E
EPSPowerShiftType - determines the type of shift used in the Power iteration
Level: advanced
.seealso: EPSPowerSetShiftType(), EPSPowerGetShiftType()
E*/
typedef enum { EPS_POWER_SHIFT_CONSTANT,
EPS_POWER_SHIFT_RAYLEIGH,
EPS_POWER_SHIFT_WILKINSON } EPSPowerShiftType;
PETSC_EXTERN const char *EPSPowerShiftTypes[];
PETSC_EXTERN PetscErrorCode EPSPowerSetShiftType(EPS,EPSPowerShiftType);
PETSC_EXTERN PetscErrorCode EPSPowerGetShiftType(EPS,EPSPowerShiftType*);
PETSC_EXTERN PetscErrorCode EPSArnoldiSetDelayed(EPS,PetscBool);
PETSC_EXTERN PetscErrorCode EPSArnoldiGetDelayed(EPS,PetscBool*);
PETSC_EXTERN PetscErrorCode EPSKrylovSchurSetRestart(EPS,PetscReal);
PETSC_EXTERN PetscErrorCode EPSKrylovSchurGetRestart(EPS,PetscReal*);
/*E
EPSLanczosReorthogType - determines the type of reorthogonalization
used in the Lanczos method
Level: advanced
.seealso: EPSLanczosSetReorthog(), EPSLanczosGetReorthog()
E*/
typedef enum { EPS_LANCZOS_REORTHOG_LOCAL,
EPS_LANCZOS_REORTHOG_FULL,
EPS_LANCZOS_REORTHOG_SELECTIVE,
EPS_LANCZOS_REORTHOG_PERIODIC,
EPS_LANCZOS_REORTHOG_PARTIAL,
EPS_LANCZOS_REORTHOG_DELAYED } EPSLanczosReorthogType;
PETSC_EXTERN const char *EPSLanczosReorthogTypes[];
PETSC_EXTERN PetscErrorCode EPSLanczosSetReorthog(EPS,EPSLanczosReorthogType);
PETSC_EXTERN PetscErrorCode EPSLanczosGetReorthog(EPS,EPSLanczosReorthogType*);
PETSC_EXTERN PetscErrorCode EPSBlzpackSetBlockSize(EPS,PetscInt);
PETSC_EXTERN PetscErrorCode EPSBlzpackSetNSteps(EPS,PetscInt);
/*E
EPSPRIMMEMethod - determines the method selected in the PRIMME library
Level: advanced
.seealso: EPSPRIMMESetMethod(), EPSPRIMMEGetMethod()
E*/
typedef enum { 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 } EPSPRIMMEMethod;
PETSC_EXTERN const char *EPSPRIMMEMethods[];
PETSC_EXTERN PetscErrorCode EPSPRIMMESetBlockSize(EPS eps,PetscInt bs);
PETSC_EXTERN PetscErrorCode EPSPRIMMESetMethod(EPS eps, EPSPRIMMEMethod method);
PETSC_EXTERN PetscErrorCode EPSPRIMMEGetBlockSize(EPS eps,PetscInt *bs);
PETSC_EXTERN PetscErrorCode EPSPRIMMEGetMethod(EPS eps, EPSPRIMMEMethod *method);
/*E
EPSOrthType - determines the orthogonalization used in the search subspace
Level: advanced
.seealso: EPSGDSetBOrth(), EPSJDSetBOrth()
E*/
typedef enum { EPS_ORTH_I=1,
EPS_ORTH_B,
EPS_ORTH_BOPT } EPSOrthType;
PETSC_EXTERN PetscErrorCode EPSGDSetKrylovStart(EPS eps,PetscBool krylovstart);
PETSC_EXTERN PetscErrorCode EPSGDGetKrylovStart(EPS eps,PetscBool *krylovstart);
PETSC_EXTERN PetscErrorCode EPSGDSetBlockSize(EPS eps,PetscInt blocksize);
PETSC_EXTERN PetscErrorCode EPSGDGetBlockSize(EPS eps,PetscInt *blocksize);
PETSC_EXTERN PetscErrorCode EPSGDSetRestart(EPS eps,PetscInt minv,PetscInt plusk);
PETSC_EXTERN PetscErrorCode EPSGDGetRestart(EPS eps,PetscInt *minv,PetscInt *plusk);
PETSC_EXTERN PetscErrorCode EPSGDSetInitialSize(EPS eps,PetscInt initialsize);
PETSC_EXTERN PetscErrorCode EPSGDGetInitialSize(EPS eps,PetscInt *initialsize);
PETSC_EXTERN PetscErrorCode EPSGDSetBOrth(EPS eps,EPSOrthType borth);
PETSC_EXTERN PetscErrorCode EPSGDGetBOrth(EPS eps,EPSOrthType *borth);
PETSC_EXTERN PetscErrorCode EPSGDGetWindowSizes(EPS eps,PetscInt *pwindow,PetscInt *qwindow);
PETSC_EXTERN PetscErrorCode EPSGDSetWindowSizes(EPS eps,PetscInt pwindow,PetscInt qwindow);
PETSC_EXTERN PetscErrorCode EPSGDSetDoubleExpansion(EPS eps,PetscBool use_gd2);
PETSC_EXTERN PetscErrorCode EPSGDGetDoubleExpansion(EPS eps,PetscBool *flg);
PETSC_EXTERN PetscErrorCode EPSJDSetKrylovStart(EPS eps,PetscBool krylovstart);
PETSC_EXTERN PetscErrorCode EPSJDGetKrylovStart(EPS eps,PetscBool *krylovstart);
PETSC_EXTERN PetscErrorCode EPSJDSetBlockSize(EPS eps,PetscInt blocksize);
PETSC_EXTERN PetscErrorCode EPSJDGetBlockSize(EPS eps,PetscInt *blocksize);
PETSC_EXTERN PetscErrorCode EPSJDSetRestart(EPS eps,PetscInt minv,PetscInt plusk);
PETSC_EXTERN PetscErrorCode EPSJDGetRestart(EPS eps,PetscInt *minv,PetscInt *plusk);
PETSC_EXTERN PetscErrorCode EPSJDSetInitialSize(EPS eps,PetscInt initialsize);
PETSC_EXTERN PetscErrorCode EPSJDGetInitialSize(EPS eps,PetscInt *initialsize);
PETSC_EXTERN PetscErrorCode EPSJDSetFix(EPS eps,PetscReal fix);
PETSC_EXTERN PetscErrorCode EPSJDGetFix(EPS eps,PetscReal *fix);
PETSC_EXTERN PetscErrorCode EPSJDSetConstCorrectionTol(EPS eps,PetscBool dynamic);
PETSC_EXTERN PetscErrorCode EPSJDGetConstCorrectionTol(EPS eps,PetscBool *dynamic);
PETSC_EXTERN PetscErrorCode EPSJDSetBOrth(EPS eps,EPSOrthType borth);
PETSC_EXTERN PetscErrorCode EPSJDGetBOrth(EPS eps,EPSOrthType *borth);
PETSC_EXTERN PetscErrorCode EPSJDGetWindowSizes(EPS eps,PetscInt *pwindow,PetscInt *qwindow);
PETSC_EXTERN PetscErrorCode EPSJDSetWindowSizes(EPS eps,PetscInt pwindow,PetscInt qwindow);
PETSC_EXTERN PetscErrorCode EPSRQCGSetReset(EPS,PetscInt);
PETSC_EXTERN PetscErrorCode EPSRQCGGetReset(EPS,PetscInt*);
PETSC_EXTERN PetscErrorCode EPSCISSSetRegion(EPS,PetscScalar,PetscReal,PetscReal);
PETSC_EXTERN PetscErrorCode EPSCISSGetRegion(EPS,PetscScalar*,PetscReal*,PetscReal*);
PETSC_EXTERN PetscErrorCode EPSCISSSetSizes(EPS,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscBool);
PETSC_EXTERN PetscErrorCode EPSCISSGetSizes(EPS,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscInt*,PetscBool*);
PETSC_EXTERN PetscErrorCode EPSCISSSetThreshold(EPS,PetscReal,PetscReal);
PETSC_EXTERN PetscErrorCode EPSCISSGetThreshold(EPS,PetscReal*,PetscReal*);
PETSC_EXTERN PetscErrorCode EPSCISSSetRefinement(EPS,PetscInt,PetscInt,PetscInt);
PETSC_EXTERN PetscErrorCode EPSCISSGetRefinement(EPS,PetscInt*,PetscInt*,PetscInt*);
PETSC_EXTERN PetscErrorCode EPSFEASTSetNumPoints(EPS,PetscInt);
PETSC_EXTERN PetscErrorCode EPSFEASTGetNumPoints(EPS,PetscInt*);
#endif
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