/*********************************************************************/
/* 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)) {
data1 = *(a1 + (ii - jj) * lda + 0);
data2 = *(a1 + (ii - jj) * lda + 1);
compinv(b + (ii - jj) * 2, data1, data2);
for (k = ii - jj + 1; k < 8; k ++) {
*(b + k * 2 + 0) = *(a1 + k * lda + 0);
*(b + k * 2 + 1) = *(a1 + k * lda + 1);
}
}
if (ii - jj < 0) {
*(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)) {
data1 = *(a1 + (ii - jj) * lda + 0);
data2 = *(a1 + (ii - jj) * lda + 1);
compinv(b + (ii - jj) * 2, data1, data2);
for (k = ii - jj + 1; k < 4; k ++) {
*(b + k * 2 + 0) = *(a1 + k * lda + 0);
*(b + k * 2 + 1) = *(a1 + k * lda + 1);
}
}
if (ii - jj < 0) {
*(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)) {
data1 = *(a1 + (ii - jj) * lda + 0);
data2 = *(a1 + (ii - jj) * lda + 1);
compinv(b + (ii - jj) * 2, data1, data2);
for (k = ii - jj + 1; k < 2; k ++) {
*(b + k * 2 + 0) = *(a1 + k * lda + 0);
*(b + k * 2 + 1) = *(a1 + k * lda + 1);
}
}
if (ii - jj < 0) {
*(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)) {
data1 = *(a1 + (ii - jj) * lda + 0);
data2 = *(a1 + (ii - jj) * lda + 1);
compinv(b + (ii - jj) * 2, data1, data2);
for (k = ii - jj + 1; k < 1; k ++) {
*(b + k * 2 + 0) = *(a1 + k * lda + 0);
*(b + k * 2 + 1) = *(a1 + k * lda + 1);
}
}
if (ii - jj < 0) {
*(b + 0) = *(a1 + 0);
*(b + 1) = *(a1 + 1);
}
a1 += 2;
b += 2;
ii ++;
}
}
return 0;
}