atl_trgen.c

来自「基于Blas CLapck的.用过的人知道是干啥的」· C语言 代码 · 共 74 行

/*
 *             Automatically Tuned Linear Algebra Software v3.8.0
 *                    (C) Copyright 1999 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"
#define FILLCONST -2560000000.0
void Mjoin(PATL,trgen)(const enum ATLAS_UPLO Uplo, const enum ATLAS_DIAG Diag,
                       const int N, TYPE *A, const int lda0, const int seed)
{
   const int M = N SHIFT, lda = lda0 SHIFT;
   int i, j;

   dumb_seed(seed);
   Mjoin(PATL,gefillgap)(N, N, A, lda0);
   if (Uplo == AtlasUpper)
   {
      for (j=0; j != N; j++)
      {
         for (i=0; i != (j SHIFT); i++) A[i] = dumb_rand();
         if (Diag == AtlasNonUnit)
         {
            A[i++] = dumb_rand();
            #ifdef TCPLX
               A[i++] = dumb_rand();
            #endif
         }
         for (; i < M; i++) A[i] = FILLCONST;
         A += lda;
      }
   }
   else
   {
      for (j=0; j != N; j++)
      {
         for (i=0; i != (j SHIFT); i++) A[i] = FILLCONST;
         if (Diag == AtlasNonUnit)
         {
            A[i++] = dumb_rand();
            #ifdef TCPLX
               A[i++] = dumb_rand();
            #endif
         }
         for (; i != M; i++) A[i] = dumb_rand();
         A += lda;
      }
   }
}