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/*!
* \file
* \brief BLAS header functions. For internal use only.
* \author Adam Piatyszek
*
* -------------------------------------------------------------------------
*
* IT++ - C++ library of mathematical, signal processing, speech processing,
* and communications classes and functions
*
* Copyright (C) 1995-2008 (see AUTHORS file for a list of contributors)
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* -------------------------------------------------------------------------
*/
#ifndef BLAS_H
#define BLAS_H
#ifndef _MSC_VER
# include <itpp/config.h>
#else
# include <itpp/config_msvc.h>
#endif
#include <complex>
//! \cond
namespace blas {
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
// ----------------------------------------------------------------------
// BLAS 1 functions
// ----------------------------------------------------------------------
void dswap_(const int *n,
double *x, const int *incx,
double *y, const int *incy);
void zswap_(const int *n,
std::complex<double> *x, const int *incx,
std::complex<double> *y, const int *incy);
void dscal_(const int *n,
const double *alpha,
double *x, const int *incx);
void zscal_(const int *n,
const std::complex<double> *alpha,
std::complex<double> *x, const int *incx);
void dcopy_(const int *n,
const double *x, const int *incx,
double *y, const int *incy);
void zcopy_(const int *n,
const std::complex<double> *x, const int *incx,
std::complex<double> *y, const int *incy);
void daxpy_(const int *n,
const double *alpha,
const double *x, const int *incx,
double *y, const int *incy);
void zaxpy_(const int *n,
const std::complex<double> *alpha,
const std::complex<double> *x, const int *incx,
std::complex<double> *y, const int *incy);
double ddot_(const int *n,
const double *x, const int *incx,
const double *y, const int *incy);
#if defined(HAVE_ZDOTUSUB) || defined(HAVE_ZDOTU_VOID)
#if defined(HAVE_ZDOTU_VOID)
# define zdotusub_ zdotu_
#endif // HAVE_ZDOTU_VOID
void zdotusub_(std::complex<double> *dot,
const int *n,
const std::complex<double> *x, const int *incx,
const std::complex<double> *y, const int *incy);
#endif // HAVE_ZDOTUSUB || HAVE_ZDOTU_VOID
// ----------------------------------------------------------------------
// BLAS 2 functions
// ----------------------------------------------------------------------
void dgemv_(const char *transA, const int *m, const int *n,
const double *alpha,
const double *A, const int *ldA,
const double *x, const int *incx,
const double *beta,
double *y, const int *incy);
void zgemv_(const char *transA, const int *m, const int *n,
const std::complex<double> *alpha,
const std::complex<double> *A, const int *ldA,
const std::complex<double> *x, const int *incx,
const std::complex<double> *beta,
std::complex<double> *y, const int *incy);
void dger_(const int *m, const int *n,
const double *alpha,
const double *x, const int *incx,
const double *y, const int *incy,
double *A, const int *ldA);
void zgeru_(const int *m, const int *n,
const std::complex<double> *alpha,
const std::complex<double> *x, const int *inxx,
const std::complex<double> *y, const int *incy,
std::complex<double> *A, const int *ldA);
void zgerc_(const int *m, const int *n,
const std::complex<double> *alpha,
const std::complex<double> *x, const int *inxx,
const std::complex<double> *y, const int *incy,
std::complex<double> *A, const int *ldA);
// ----------------------------------------------------------------------
// BLAS 3 functions
// ----------------------------------------------------------------------
void dgemm_(const char *transA, const char *transB,
const int *m, const int *n, const int *k,
const double *alpha,
const double *A, const int *ldA,
const double *B, const int *ldB,
const double *beta,
double *C, const int *ldC);
void zgemm_(const char *transA, const char *transB,
const int *m, const int *n, const int *k,
const std::complex<double> *alpha,
const std::complex<double> *A, const int *ldA,
const std::complex<double> *B, const int *ldB,
const std::complex<double> *beta,
std::complex<double> *C, const int *ldC);
#ifdef __cplusplus
}
#endif /* __cplusplus */
} // namespace blas
//! \endcond
#endif // #ifndef BLAS_H
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