158 lines
4.9 KiB
C
158 lines
4.9 KiB
C
/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 1. Redistributions of source code must retain the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer. */
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/* */
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/* 2. Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials */
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/* provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
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/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
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/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* The views and conclusions contained in the software and */
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/* documentation are those of the authors and should not be */
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/* interpreted as representing official policies, either expressed */
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/* or implied, of The University of Texas at Austin. */
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/*********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include "common.h"
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int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1,
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FLOAT beta_r, FLOAT beta_i,
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FLOAT *dummy2, BLASLONG dummy3,
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FLOAT *dummy4, BLASLONG dummy5,
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FLOAT *c, BLASLONG ldc){
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BLASLONG i, j;
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FLOAT *c_offset, *c_offset1;
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FLOAT atemp1, atemp2, atemp3, atemp4;
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FLOAT btemp1, btemp2, btemp3, btemp4;
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FLOAT ctemp1, ctemp2, ctemp3, ctemp4;
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ldc *= 2;
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c_offset = c;
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if (beta_r == 0. && beta_i == 0.) {
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j = n;
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do {
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c_offset1 = c_offset;
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c_offset += ldc;
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i = (m >> 2);
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if (i > 0){
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do {
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*(c_offset1 + 0) = ZERO;
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*(c_offset1 + 1) = ZERO;
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*(c_offset1 + 2) = ZERO;
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*(c_offset1 + 3) = ZERO;
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*(c_offset1 + 4) = ZERO;
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*(c_offset1 + 5) = ZERO;
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*(c_offset1 + 6) = ZERO;
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*(c_offset1 + 7) = ZERO;
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c_offset1 += 8;
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i--;
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} while (i > 0);
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}
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i = (m & 3);
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if (i > 0){
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do {
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*(c_offset1 + 0) = ZERO;
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*(c_offset1 + 1) = ZERO;
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c_offset1 += 2;
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i--;
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} while (i > 0);
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}
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j --;
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} while (j > 0);
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} else {
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j = n;
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do {
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c_offset1 = c_offset;
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c_offset += ldc;
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i = (m >> 1);
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if (i > 0){
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do {
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atemp1 = *(c_offset1 + 0);
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atemp2 = *(c_offset1 + 1);
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atemp3 = *(c_offset1 + 2);
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atemp4 = *(c_offset1 + 3);
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btemp1 = beta_r * atemp1;
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btemp2 = beta_i * atemp2;
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btemp3 = beta_r * atemp2;
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btemp4 = beta_i * atemp1;
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ctemp1 = btemp1 - btemp2;
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ctemp2 = btemp3 + btemp4;
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btemp1 = beta_r * atemp3;
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btemp2 = beta_i * atemp4;
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btemp3 = beta_r * atemp4;
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btemp4 = beta_i * atemp3;
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ctemp3 = btemp1 - btemp2;
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ctemp4 = btemp3 + btemp4;
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*(c_offset1 + 0) = ctemp1;
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*(c_offset1 + 1) = ctemp2;
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*(c_offset1 + 2) = ctemp3;
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*(c_offset1 + 3) = ctemp4;
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c_offset1 += 4;
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i --;
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} while (i > 0);
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}
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i = (m & 1);
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if (i > 0){
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do {
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atemp1 = *(c_offset1 + 0);
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atemp2 = *(c_offset1 + 1);
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btemp1 = beta_r * atemp1;
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btemp2 = beta_i * atemp2;
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btemp3 = beta_r * atemp2;
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btemp4 = beta_i * atemp1;
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ctemp1 = btemp1 - btemp2;
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ctemp2 = btemp3 + btemp4;
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*(c_offset1 + 0) = ctemp1;
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*(c_offset1 + 1) = ctemp2;
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c_offset1 += 2;
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i --;
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} while (i > 0);
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}
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j --;
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} while (j > 0);
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}
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return 0;
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}
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