/*
User interface for the SLEPC singular value solvers.
*/
#if !defined(__SLEPCSVD_H)
#define __SLEPCSVD_H
#include "slepc.h"
#include "slepceps.h"
PETSC_EXTERN_CXX_BEGIN
extern PetscCookie SVD_COOKIE;
/*S
SVD - Abstract SLEPc object that manages all the singular value
problem solvers.
Level: beginner
.seealso: SVDCreate()
S*/
typedef struct _p_SVD* SVD;
#define SVDType const char*
#define SVDEIGENSOLVER "eigensolver"
#define SVDLAPACK "lapack"
typedef enum { SVD_TRANSPOSE_DEFAULT, SVD_TRANSPOSE_EXPLICIT,
SVD_TRANSPOSE_USERDEFINED } SVDTransposeMode;
EXTERN PetscErrorCode SVDCreate(MPI_Comm,SVD*);
EXTERN PetscErrorCode SVDSetType(SVD,SVDType);
EXTERN PetscErrorCode SVDGetType(SVD,SVDType*);
EXTERN PetscErrorCode SVDSetOperator(SVD,Mat);
EXTERN PetscErrorCode SVDSetTransposeMode(SVD,SVDTransposeMode,Mat);
EXTERN PetscErrorCode SVDGetOperators(SVD,Mat*,SVDTransposeMode*,Mat*);
EXTERN PetscErrorCode SVDSetFromOptions(SVD);
EXTERN PetscErrorCode SVDSetUp(SVD);
EXTERN PetscErrorCode SVDSolve(SVD);
EXTERN PetscErrorCode SVDGetConverged(SVD,int*);
EXTERN PetscErrorCode SVDGetSingularTriplet(SVD,int,PetscReal*,Vec,Vec);
EXTERN PetscErrorCode SVDComputeResidualNorms(SVD,int,PetscReal*,PetscReal*);
EXTERN PetscErrorCode SVDView(SVD,PetscViewer);
EXTERN PetscErrorCode SVDDestroy(SVD);
EXTERN PetscErrorCode SVDInitializePackage(char*);
typedef enum { SVDEIGENSOLVER_DIRECT, SVDEIGENSOLVER_TRANSPOSE,
SVDEIGENSOLVER_CYCLIC } SVDEigensolverMode;
EXTERN PetscErrorCode SVDEigensolverSetMode(SVD,SVDEigensolverMode);
EXTERN PetscErrorCode SVDEigensolverGetMode(SVD,SVDEigensolverMode*);
EXTERN PetscErrorCode SVDEigensolverSetEPS(SVD,EPS);
EXTERN PetscErrorCode SVDEigensolverGetEPS(SVD,EPS*);
#endif