/*
 *             Automatically Tuned Linear Algebra Software v3.10.2
 * Copyright (C) 2010 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_level1.h"

void ATL_UGEMV(ATL_CINT M, ATL_CINT N, const TYPE *A, ATL_CINT lda,
               const TYPE *X, TYPE *Y)
/*
 *  y = [0,1]*y + A*x, A is MxN, storing the transpose of the matrix
 */
{
   TYPE ry, iy;
   ATL_CINT lda2 = lda+lda;
   ATL_INT j;

   for (j=0; j < N; j++, A += lda2, Y += 2)
   {
      #ifdef BETA0
         Mjoin(PATL,dotu_sub)(M, A, 1, X, 1, Y);
      #else
         #ifdef __clang__  /* workaround for clang error */
            TYPE dot[2];
            Mjoin(PATL,dotu_sub)(M, A, 1, X, 1, dot);
            *Y += *dot;
            Y[1] += dot[1];
         #else
            ry = *Y; iy = Y[1];
            Mjoin(PATL,dotu_sub)(M, A, 1, X, 1, Y);
            *Y += ry;
            Y[1] += iy;
         #endif
      #endif
   }
}
