code-stellarator-optimization/include/pvfmm/blas.h

/* Kernel Independent Fast Multipole Method
   Copyright (C) 2004 Lexing Ying, New York University

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, 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; see the file COPYING.  If not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.  */

#ifndef _BLAS_H_
#define _BLAS_H_

extern "C" {
/*! DAXPY compute y := alpha * x + y where alpha is a scalar and x and y are n-vectors.
*  See http://www.netlib.org/blas/daxpy.f for more information.
*/
void saxpy_(int* N, float* ALPHA, float* X, int* INCX, float* Y, int* INCY);
void daxpy_(int* N, double* ALPHA, double* X, int* INCX, double* Y, int* INCY);
/*!  DGEMM  performs one of the matrix-matrix operations
*
*     C := alpha*op( A )*op( B ) + beta*C,
*
*  where  op( X ) is one of
*
*     op( X ) = X   or   op( X ) = X',
*
*  alpha and beta are scalars, and A, B and C are matrices, with op( A )
*  an m by k matrix,  op( B )  a  k by n matrix and  C an m by n matrix.
*  See http://www.netlib.org/blas/dgemm.f for more information.
*/
void sgemm_(char* TRANSA, char* TRANSB, int* M, int* N, int* K, float* ALPHA, float* A, int* LDA, float* B, int* LDB, float* BETA, float* C, int* LDC);
void dgemm_(char* TRANSA, char* TRANSB, int* M, int* N, int* K, double* ALPHA, double* A, int* LDA, double* B, int* LDB, double* BETA, double* C, int* LDC);
/*!  DGEMV  performs one of the matrix-vector operations
*
*     y := alpha*A*x + beta*y,   or   y := alpha*A'*x + beta*y,
*
*  where alpha and beta are scalars, x and y are vectors and A is an m by n matrix.
*  See http://www.netlib.org/blas/dgemv.f for more information
*/
void sgemv_(char* TRANS, int* M, int* N, float* ALPHA, float* A, int* LDA, float* X, int* INCX, float* BETA, float* Y, int* INCY);
void dgemv_(char* TRANS, int* M, int* N, double* ALPHA, double* A, int* LDA, double* X, int* INCX, double* BETA, double* Y, int* INCY);
/*!  DGER   performs the rank 1 operation
*
*     A := alpha*x*y' + A,
*
*  where alpha is a scalar, x is an m element vector, y is an n element
*  vector and A is an m by n matrix.
*  See http://www.netlib.org/blas/dger.f for more information
*/
void sger_(int* M, int* N, float* ALPHA, float* X, int* INCX, float* Y, int* INCY, float* A, int* LDA);
void dger_(int* M, int* N, double* ALPHA, double* X, int* INCX, double* Y, int* INCY, double* A, int* LDA);
/*! DSCAL computes y := alpha * y where alpha is a scalar and y is an n-vector.
*  See http://www.netlib.org/blas/dscal.f for more information
*/
void sscal_(int* N, float* ALPHA, float* X, int* INCX);
void dscal_(int* N, double* ALPHA, double* X, int* INCX);
}

#endif