Actual source code: blzpackp.h

slepc-3.7.2 2016-07-19
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  1: /*
  2:    Private data structure used by the BLZPACK interface

  4:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  5:    SLEPc - Scalable Library for Eigenvalue Problem Computations
  6:    Copyright (c) 2002-2016, Universitat Politecnica de Valencia, Spain

  8:    This file is part of SLEPc.

 10:    SLEPc is free software: you can redistribute it and/or modify it under  the
 11:    terms of version 3 of the GNU Lesser General Public License as published by
 12:    the Free Software Foundation.

 14:    SLEPc  is  distributed in the hope that it will be useful, but WITHOUT  ANY
 15:    WARRANTY;  without even the implied warranty of MERCHANTABILITY or  FITNESS
 16:    FOR  A  PARTICULAR PURPOSE. See the GNU Lesser General Public  License  for
 17:    more details.

 19:    You  should have received a copy of the GNU Lesser General  Public  License
 20:    along with SLEPc. If not, see <http://www.gnu.org/licenses/>.
 21:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 22: */


 27: typedef struct {
 28:   PetscBLASInt         block_size;      /* block size */
 29:   PetscBLASInt         slice;           /* use spectrum slicing */
 30:   PetscBLASInt         nsteps;          /* maximum number of steps per run */
 31:   PetscBLASInt         *istor;
 32:   PetscReal            *rstor;
 33:   PetscScalar          *u;
 34:   PetscScalar          *v;
 35:   PetscScalar          *eig;
 36: } EPS_BLZPACK;

 38: /*
 39:    Definition of routines from the BLZPACK package
 40: */

 42: #if defined(SLEPC_BLZPACK_HAVE_UNDERSCORE)
 43: #define SLEPC_BLZPACK(lcase,ucase) lcase##_
 44: #elif defined(SLEPC_BLZPACK_HAVE_CAPS)
 45: #define SLEPC_BLZPACK(lcase,ucase) ucase
 46: #else
 47: #define SLEPC_BLZPACK(lcase,ucase) lcase
 48: #endif

 50: /*
 51:     These are real case, current version of BLZPACK only supports real
 52:     matrices
 53: */

 55: #if defined(PETSC_USE_SINGLE)
 56: /*
 57:    For these machines we must call the single precision Fortran version
 58: */
 59: #define BLZpack_ SLEPC_BLZPACK(blzdrs,BLZDRS)
 60: #else
 61: #define BLZpack_ SLEPC_BLZPACK(blzdrd,BLZDRD)
 62: #endif

 64: #define BLZistorr_ SLEPC_BLZPACK(istorr,ISTORR)
 65: #define BLZrstorr_ SLEPC_BLZPACK(rstorr,RSTORR)

 67: PETSC_EXTERN void BLZpack_(PetscBLASInt*,PetscReal*,PetscScalar*,PetscBLASInt*,PetscScalar*,PetscScalar*,PetscBLASInt*,PetscBLASInt*,PetscScalar*,PetscScalar*);

 69: PETSC_EXTERN PetscBLASInt BLZistorr_(PetscBLASInt*,const char*,int);
 70: PETSC_EXTERN PetscReal BLZrstorr_(PetscReal*,char*,int);

 72: #endif