226 lines
6.0 KiB
C
226 lines
6.0 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"
|
|
|
|
int CNAME(BLASLONG m, BLASLONG n, FLOAT *a, BLASLONG lda, BLASLONG offset, FLOAT *b){
|
|
|
|
BLASLONG i, ii, j, jj, k;
|
|
|
|
FLOAT *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
|
|
FLOAT data1, data2;
|
|
|
|
lda *= 2;
|
|
jj = offset;
|
|
|
|
j = (n >> 3);
|
|
while (j > 0){
|
|
|
|
a1 = a + 0 * lda;
|
|
a2 = a + 1 * lda;
|
|
a3 = a + 2 * lda;
|
|
a4 = a + 3 * lda;
|
|
a5 = a + 4 * lda;
|
|
a6 = a + 5 * lda;
|
|
a7 = a + 6 * lda;
|
|
a8 = a + 7 * lda;
|
|
|
|
a += 8 * lda;
|
|
ii = 0;
|
|
|
|
for (i = 0; i < m; i++) {
|
|
|
|
if ((ii >= jj ) && (ii - jj < 8)) {
|
|
for (k = 0; k < ii - jj; k ++) {
|
|
*(b + k * 2 + 0) = *(a1 + k * lda + 0);
|
|
*(b + k * 2 + 1) = *(a1 + k * lda + 1);
|
|
}
|
|
data1 = *(a1 + (ii - jj) * lda + 0);
|
|
data2 = *(a1 + (ii - jj) * lda + 1);
|
|
|
|
compinv(b + (ii - jj) * 2, data1, data2);
|
|
}
|
|
|
|
if (ii - jj >= 8) {
|
|
*(b + 0) = *(a1 + 0);
|
|
*(b + 1) = *(a1 + 1);
|
|
*(b + 2) = *(a2 + 0);
|
|
*(b + 3) = *(a2 + 1);
|
|
*(b + 4) = *(a3 + 0);
|
|
*(b + 5) = *(a3 + 1);
|
|
*(b + 6) = *(a4 + 0);
|
|
*(b + 7) = *(a4 + 1);
|
|
*(b + 8) = *(a5 + 0);
|
|
*(b + 9) = *(a5 + 1);
|
|
*(b + 10) = *(a6 + 0);
|
|
*(b + 11) = *(a6 + 1);
|
|
*(b + 12) = *(a7 + 0);
|
|
*(b + 13) = *(a7 + 1);
|
|
*(b + 14) = *(a8 + 0);
|
|
*(b + 15) = *(a8 + 1);
|
|
}
|
|
|
|
a1 += 2;
|
|
a2 += 2;
|
|
a3 += 2;
|
|
a4 += 2;
|
|
a5 += 2;
|
|
a6 += 2;
|
|
a7 += 2;
|
|
a8 += 2;
|
|
b += 16;
|
|
ii ++;
|
|
}
|
|
|
|
jj += 8;
|
|
j --;
|
|
}
|
|
|
|
if (n & 4) {
|
|
|
|
a1 = a + 0 * lda;
|
|
a2 = a + 1 * lda;
|
|
a3 = a + 2 * lda;
|
|
a4 = a + 3 * lda;
|
|
a += 4 * lda;
|
|
ii = 0;
|
|
|
|
for (i = 0; i < m; i++) {
|
|
|
|
if ((ii >= jj ) && (ii - jj < 4)) {
|
|
for (k = 0; k < ii - jj; k ++) {
|
|
*(b + k * 2 + 0) = *(a1 + k * lda + 0);
|
|
*(b + k * 2 + 1) = *(a1 + k * lda + 1);
|
|
}
|
|
data1 = *(a1 + (ii - jj) * lda + 0);
|
|
data2 = *(a1 + (ii - jj) * lda + 1);
|
|
|
|
compinv(b + (ii - jj) * 2, data1, data2);
|
|
}
|
|
|
|
if (ii - jj >= 4) {
|
|
*(b + 0) = *(a1 + 0);
|
|
*(b + 1) = *(a1 + 1);
|
|
*(b + 2) = *(a2 + 0);
|
|
*(b + 3) = *(a2 + 1);
|
|
*(b + 4) = *(a3 + 0);
|
|
*(b + 5) = *(a3 + 1);
|
|
*(b + 6) = *(a4 + 0);
|
|
*(b + 7) = *(a4 + 1);
|
|
}
|
|
|
|
a1 += 2;
|
|
a2 += 2;
|
|
a3 += 2;
|
|
a4 += 2;
|
|
b += 8;
|
|
ii ++;
|
|
}
|
|
|
|
jj += 4;
|
|
}
|
|
|
|
if (n & 2) {
|
|
|
|
a1 = a + 0 * lda;
|
|
a2 = a + 1 * lda;
|
|
a += 2 * lda;
|
|
ii = 0;
|
|
|
|
for (i = 0; i < m; i++) {
|
|
|
|
if ((ii >= jj ) && (ii - jj < 2)) {
|
|
for (k = 0; k < ii - jj; k ++) {
|
|
*(b + k * 2 + 0) = *(a1 + k * lda + 0);
|
|
*(b + k * 2 + 1) = *(a1 + k * lda + 1);
|
|
}
|
|
data1 = *(a1 + (ii - jj) * lda + 0);
|
|
data2 = *(a1 + (ii - jj) * lda + 1);
|
|
|
|
compinv(b + (ii - jj) * 2, data1, data2);
|
|
}
|
|
|
|
if (ii - jj >= 2) {
|
|
*(b + 0) = *(a1 + 0);
|
|
*(b + 1) = *(a1 + 1);
|
|
*(b + 2) = *(a2 + 0);
|
|
*(b + 3) = *(a2 + 1);
|
|
}
|
|
|
|
a1 += 2;
|
|
a2 += 2;
|
|
b += 4;
|
|
ii ++;
|
|
}
|
|
|
|
jj += 2;
|
|
}
|
|
|
|
if (n & 1) {
|
|
|
|
a1 = a + 0 * lda;
|
|
ii = 0;
|
|
|
|
for (i = 0; i < m; i++) {
|
|
|
|
if ((ii >= jj ) && (ii - jj < 1)) {
|
|
for (k = 0; k < ii - jj; k ++) {
|
|
*(b + k * 2 + 0) = *(a1 + k * lda + 0);
|
|
*(b + k * 2 + 1) = *(a1 + k * lda + 1);
|
|
}
|
|
data1 = *(a1 + (ii - jj) * lda + 0);
|
|
data2 = *(a1 + (ii - jj) * lda + 1);
|
|
|
|
compinv(b + (ii - jj) * 2, data1, data2);
|
|
}
|
|
|
|
if (ii - jj >= 1) {
|
|
*(b + 0) = *(a1 + 0);
|
|
*(b + 1) = *(a1 + 1);
|
|
}
|
|
|
|
a1 += 2;
|
|
b += 2;
|
|
ii ++;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|