ATL_f77gemv.c

/*
 *             Automatically Tuned Linear Algebra Software v3.9.14
 *                   (C) Copyright 1999 Antoine P. Petitet
 *
 * Code contributers : Antoine P. Petitet, R. Clint Whaley
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions, and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *   3. The name of the ATLAS group or the names of its contributers may
 *      not be used to endorse or promote products derived from this
 *      software without specific written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ATLAS GROUP OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */
#include "atlas_misc.h"
#include "atlas_tst.h"
#include "atlas_f77blas.h"

void Mjoin( PATL, f77gemv )
(
   const enum ATLAS_TRANS    Trans,
   const int                 M,
   const int                 N,
   const SCALAR              ALPHA,
   const TYPE                * A,
   const int                 LDA,
   const TYPE                * X,
   const int                 INCX,
   const SCALAR              BETA,
   TYPE                      * Y,
   const int                 INCY
)
{
#if defined( StringSunStyle )
   #if defined( ATL_FunkyInts )
   F77_INTEGER               ONE = 1;
   #else
   int                       ONE = 1;
   #endif
#elif defined( StringStructVal ) || defined( StringStructPtr )
   F77_CHAR                  ftran;
#elif defined( StringCrayStyle )
   F77_CHAR                  ftran;
#endif

   char                      ctran;

#ifdef ATL_FunkyInts
   const F77_INTEGER         F77m    = M,   F77n    = N,
                             F77lda  = LDA, F77incx = INCX, F77incy = INCY;
   F77_INTEGER               F77M, F77N;
#else
   #define F77m              M
   #define F77n              N
   #define F77lda            LDA
   #define F77incx           INCX
   #define F77incy           INCY

   int                       F77M, F77N;
#endif

#ifdef TCPLX
   TYPE                      alpha[2], beta[2];

   *alpha = *ALPHA; alpha[1] = ALPHA[1];
   *beta  = *BETA;  beta [1] = BETA [1];
#else
   TYPE                      alpha = ALPHA, beta = BETA;
#endif

   if( Trans == AtlasNoTrans ) { F77M = F77m; F77N = F77n; ctran = 'N'; }
   else
   {
      F77M = F77n; F77N = F77m;
      if( Trans == AtlasTrans ) ctran = 'T';
      else                      ctran = 'C';
   }

   if( INCX < 0 ) X -= ( ( 1 - N ) * INCX ) SHIFT;
   if( INCY < 0 ) Y -= ( ( 1 - M ) * INCY ) SHIFT;

#if   defined( StringSunStyle  )
   F77gemv( &ctran, &F77M, &F77N,                 SADD alpha, A, &F77lda,
            X, &F77incx, SADD beta, Y, &F77incy, ONE );
#elif defined( StringCrayStyle )
   ftran = ATL_C2F_TransChar( ctran );
   F77gemv( ftran,  &F77M, &F77N,                 SADD alpha, A, &F77lda,
            X, &F77incx, SADD beta, Y, &F77incy );
#elif defined( StringStructVal )
   ftran.len = 1; ftran.cp = &ctran;
   F77gemv( ftran,  &F77M, &F77N,                 SADD alpha, A, &F77lda,
            X, &F77incx, SADD beta, Y, &F77incy );
#elif defined( StringStructPtr )
   ftran.len = 1; ftran.cp = &ctran;
   F77gemv( &ftran, &F77M, &F77N,                 SADD alpha, A, &F77lda,
            X, &F77incx, SADD beta, Y, &F77incy );
#else
   (void) fprintf( stderr, "\n\nF77/C interface not defined!!\n\n" );
   exit( -1 );
#endif
}