atl_f77sbmv.c

来自「基于Blas CLapck的.用过的人知道是干啥的」· C语言 代码 · 共 111 行

/*
 *             Automatically Tuned Linear Algebra Software v3.8.0
 *                   (C) Copyright 1999 Antoine P. Petitet
 *
 * 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, f77sbmv )
(
   const enum ATLAS_UPLO     UPLO,
   const int                 N,
   const int                 K,
   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                  fuplo;
#elif defined( StringCrayStyle )
   F77_CHAR                  fuplo;
#endif

   char                      cuplo;

#ifdef ATL_FunkyInts
   const F77_INTEGER         F77N    = N,
                             F77K    = K,
                             F77lda  = LDA,
                             F77incx = INCX, F77incy = INCY;
#else
   #define F77N              N
   #define F77K              K
   #define F77lda            LDA
   #define F77incx           INCX
   #define F77incy           INCY
#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( UPLO == AtlasUpper ) cuplo = 'U';
   else                     cuplo = 'L';

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

#if   defined( StringSunStyle  )
   F77sbmv( &cuplo, &F77N, &F77K, SADD alpha, A, &F77lda, X, &F77incx,
            SADD beta, Y, &F77incy, ONE );
#elif defined( StringCrayStyle )
   fuplo = ATL_C2F_TransChar( cuplo );
   F77sbmv( fuplo,  &F77N, &F77K, SADD alpha, A, &F77lda, X, &F77incx,
            SADD beta, Y, &F77incy );
#elif defined( StringStructVal )
   fuplo.len = 1; fuplo.cp = &cuplo;
   F77sbmv( fuplo,  &F77N, &F77K, SADD alpha, A, &F77lda, X, &F77incx,
            SADD beta, Y, &F77incy );
#elif defined( StringStructPtr )
   fuplo.len = 1; fuplo.cp = &cuplo;
   F77sbmv( &fuplo, &F77N, &F77K, 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
}