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//=====================================================
// File   :  blas_interface.hh
// Author :  L. Plagne <laurent.plagne@edf.fr)>
// Copyright (C) EDF R&D,  lun sep 30 14:23:28 CEST 2002
//=====================================================
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
#ifndef blas_PRODUIT_MATRICE_VECTEUR_HH
#define blas_PRODUIT_MATRICE_VECTEUR_HH

#include <c_interface_base.h>
#include <complex>
extern "C" {
#include "blas.h"

// Cholesky Factorization
//   void spotrf_(const char* uplo, const int* n, float *a, const int* ld, int* info);
//   void dpotrf_(const char* uplo, const int* n, double *a, const int* ld, int* info);
void ssytrd_(char *uplo, const int *n, float *a, const int *lda, float *d, float *e, float *tau, float *work,
             int *lwork, int *info);
void dsytrd_(char *uplo, const int *n, double *a, const int *lda, double *d, double *e, double *tau, double *work,
             int *lwork, int *info);
void sgehrd_(const int *n, int *ilo, int *ihi, float *a, const int *lda, float *tau, float *work, int *lwork,
             int *info);
void dgehrd_(const int *n, int *ilo, int *ihi, double *a, const int *lda, double *tau, double *work, int *lwork,
             int *info);

// LU row pivoting
//   void dgetrf_( int *m, int *n, double *a, int *lda, int *ipiv, int *info );
//   void sgetrf_(const int* m, const int* n, float *a, const int* ld, int* ipivot, int* info);
// LU full pivoting
void sgetc2_(const int *n, float *a, const int *lda, int *ipiv, int *jpiv, int *info);
void dgetc2_(const int *n, double *a, const int *lda, int *ipiv, int *jpiv, int *info);
#ifdef HAS_LAPACK
#endif
}

#define MAKE_STRING2(S) #S
#define MAKE_STRING(S) MAKE_STRING2(S)

#define CAT2(A, B) A##B
#define CAT(A, B) CAT2(A, B)

template <class real>
class blas_interface;

static char notrans = 'N';
static char trans = 'T';
static char nonunit = 'N';
static char lower = 'L';
static char right = 'R';
static char left = 'L';
static int intone = 1;

#define SCALAR float
#define SCALAR_PREFIX s
#include "blas_interface_impl.hh"
#undef SCALAR
#undef SCALAR_PREFIX

#define SCALAR double
#define SCALAR_PREFIX d
#include "blas_interface_impl.hh"
#undef SCALAR
#undef SCALAR_PREFIX

#endif