tahoma2d/thirdparty/openblas/xianyi-OpenBLAS-e6e87a2/interface/larf.c
2016-03-24 02:47:04 +09:00

109 lines
4 KiB
C

/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin. */
/* All rights reserved. */
/* */
/* 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. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
/* AUSTIN ``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 UNIVERSITY OF TEXAS AT */
/* AUSTIN OR 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. */
/* */
/* The views and conclusions contained in the software and */
/* documentation are those of the authors and should not be */
/* interpreted as representing official policies, either expressed */
/* or implied, of The University of Texas at Austin. */
/*********************************************************************/
#include <stdio.h>
#include "common.h"
#ifdef FUNCTION_PROFILE
#include "functable.h"
#endif
static int (*larf[])(blas_arg_t *, BLASLONG *, BLASLONG *, FLOAT *, FLOAT *, BLASLONG) = {
LARF_L, LARF_R,
};
int NAME(char *SIDE, blasint *M, blasint *N, FLOAT *v, blasint *incV, FLOAT *tau, FLOAT *c, blasint *ldC, FLOAT *work){
blas_arg_t args;
FLOAT *buffer;
#ifdef PPC440
extern
#endif
FLOAT *sa, *sb;
char side_arg = *SIDE;
int side;
PRINT_DEBUG_NAME;
TOUPPER(side_arg);
args.m = *M;
args.n = *N;
args.a = (void *)v;
args.lda = *incV;
args.c = (void *)c;
args.ldc = *ldC;
args.alpha = (void *)tau;
side = -1;
if (side_arg == 'L') side = 0;
if (side_arg == 'R') side = 1;
if (args.m == 0 || args.n == 0) return 0;
#ifndef COMPLEX
if (*tau == ZERO) return 0;
#else
if ((*(tau + 0) == ZERO) && (*(tau + 1) == ZERO)) return 0;
#endif
IDEBUG_START;
FUNCTION_PROFILE_START();
#ifndef PPC440
buffer = (FLOAT *)blas_memory_alloc(1);
sa = (FLOAT *)((BLASLONG)buffer + GEMM_OFFSET_A);
sb = (FLOAT *)(((BLASLONG)sa + ((GEMM_P * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
#endif
larf[side](&args, NULL, NULL, sa, sb, 0);
#ifndef PPC440
blas_memory_free(buffer);
#endif
FUNCTION_PROFILE_END(COMPSIZE * COMPSIZE, args.m * args.n, 2. / 3. * args.m * args.n * args.n);
IDEBUG_END;
return 0;
}