/*
Private data structure used by the BLZPACK interface
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SLEPc - Scalable Library for Eigenvalue Problem Computations
Copyright (c) 2002-2011, 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(__BLZPACKP_H)
#define __BLZPACKP_H
typedef struct {
PetscBLASInt block_size; /* block size */
PetscBLASInt slice; /* use spectrum slicing */
PetscBLASInt nsteps; /* maximum number of steps per run */
PetscBLASInt *istor;
PetscReal *rstor;
PetscScalar *u;
PetscScalar *v;
PetscScalar *eig;
} EPS_BLZPACK;
/*
Definition of routines from the BLZPACK package
*/
#if defined(SLEPC_BLZPACK_HAVE_UNDERSCORE)
#define SLEPC_BLZPACK(lcase,ucase) lcase##_
#elif defined(SLEPC_BLZPACK_HAVE_CAPS)
#define SLEPC_BLZPACK(lcase,ucase) ucase
#else
#define SLEPC_BLZPACK(lcase,ucase) lcase
#endif
/*
These are real case, current version of BLZPACK only supports real
matrices
*/
#if defined(PETSC_USE_SINGLE)
/*
For these machines we must call the single precision Fortran version
*/
#define BLZpack_ SLEPC_BLZPACK(blzdrs,BLZDRS)
#else
#define BLZpack_ SLEPC_BLZPACK(blzdrd,BLZDRD)
#endif
#define BLZistorr_ SLEPC_BLZPACK(istorr,ISTORR)
#define BLZrstorr_ SLEPC_BLZPACK(rstorr,RSTORR)
EXTERN_C_BEGIN
extern void BLZpack_(PetscBLASInt*,PetscReal*,PetscScalar*,PetscBLASInt*,PetscScalar*,
PetscScalar*,PetscBLASInt*,PetscBLASInt*,PetscScalar*,PetscScalar*);
extern PetscBLASInt BLZistorr_(PetscBLASInt*,const char*,int);
extern PetscReal BLZrstorr_(PetscReal*,char*,int);
EXTERN_C_END
#endif