/*********************************************************************/
/* 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;
FLOAT data01, data02, data03, data04;
FLOAT data05, data06, data07, data08;
FLOAT data09, data10, data11, data12;
FLOAT data13, data14, data15, data16;
FLOAT data17, data18, data19, data20;
FLOAT data21, data22, data23, data24;
FLOAT data25, data26, data27, data28;
FLOAT data29, data30, data31, data32;
FLOAT *a1, *a2, *a3, *a4;
lda *= 2;
jj = offset;
j = (n >> 2);
while (j > 0){
a1 = a + 0 * lda;
a2 = a + 1 * lda;
a3 = a + 2 * lda;
a4 = a + 3 * lda;
ii = 0;
i = (m >> 2);
while (i > 0) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
data02 = *(a1 + 1);
#endif
data09 = *(a2 + 0);
data10 = *(a2 + 1);
#ifndef UNIT
data11 = *(a2 + 2);
data12 = *(a2 + 3);
#endif
data17 = *(a3 + 0);
data18 = *(a3 + 1);
data19 = *(a3 + 2);
data20 = *(a3 + 3);
#ifndef UNIT
data21 = *(a3 + 4);
data22 = *(a3 + 5);
#endif
data25 = *(a4 + 0);
data26 = *(a4 + 1);
data27 = *(a4 + 2);
data28 = *(a4 + 3);
data29 = *(a4 + 4);
data30 = *(a4 + 5);
#ifndef UNIT
data31 = *(a4 + 6);
data32 = *(a4 + 7);
#endif
compinv(b + 0, data01, data02);
*(b + 2) = data09;
*(b + 3) = data10;
*(b + 4) = data17;
*(b + 5) = data18;
*(b + 6) = data25;
*(b + 7) = data26;
compinv(b + 10, data11, data12);
*(b + 12) = data19;
*(b + 13) = data20;
*(b + 14) = data27;
*(b + 15) = data28;
compinv(b + 20, data21, data22);
*(b + 22) = data29;
*(b + 23) = data30;
compinv(b + 30, data31, data32);
}
if (ii < jj) {
data01 = *(a1 + 0);
data02 = *(a1 + 1);
data03 = *(a1 + 2);
data04 = *(a1 + 3);
data05 = *(a1 + 4);
data06 = *(a1 + 5);
data07 = *(a1 + 6);
data08 = *(a1 + 7);
data09 = *(a2 + 0);
data10 = *(a2 + 1);
data11 = *(a2 + 2);
data12 = *(a2 + 3);
data13 = *(a2 + 4);
data14 = *(a2 + 5);
data15 = *(a2 + 6);
data16 = *(a2 + 7);
data17 = *(a3 + 0);
data18 = *(a3 + 1);
data19 = *(a3 + 2);
data20 = *(a3 + 3);
data21 = *(a3 + 4);
data22 = *(a3 + 5);
data23 = *(a3 + 6);
data24 = *(a3 + 7);
data25 = *(a4 + 0);
data26 = *(a4 + 1);
data27 = *(a4 + 2);
data28 = *(a4 + 3);
data29 = *(a4 + 4);
data30 = *(a4 + 5);
data31 = *(a4 + 6);
data32 = *(a4 + 7);
*(b + 0) = data01;
*(b + 1) = data02;
*(b + 2) = data09;
*(b + 3) = data10;
*(b + 4) = data17;
*(b + 5) = data18;
*(b + 6) = data25;
*(b + 7) = data26;
*(b + 8) = data03;
*(b + 9) = data04;
*(b + 10) = data11;
*(b + 11) = data12;
*(b + 12) = data19;
*(b + 13) = data20;
*(b + 14) = data27;
*(b + 15) = data28;
*(b + 16) = data05;
*(b + 17) = data06;
*(b + 18) = data13;
*(b + 19) = data14;
*(b + 20) = data21;
*(b + 21) = data22;
*(b + 22) = data29;
*(b + 23) = data30;
*(b + 24) = data07;
*(b + 25) = data08;
*(b + 26) = data15;
*(b + 27) = data16;
*(b + 28) = data23;
*(b + 29) = data24;
*(b + 30) = data31;
*(b + 31) = data32;
}
a1 += 8;
a2 += 8;
a3 += 8;
a4 += 8;
b += 32;
i --;
ii += 4;
}
if (m & 2) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
data02 = *(a1 + 1);
#endif
data09 = *(a2 + 0);
data10 = *(a2 + 1);
#ifndef UNIT
data11 = *(a2 + 2);
data12 = *(a2 + 3);
#endif
data17 = *(a3 + 0);
data18 = *(a3 + 1);
data19 = *(a3 + 2);
data20 = *(a3 + 3);
data25 = *(a4 + 0);
data26 = *(a4 + 1);
data27 = *(a4 + 2);
data28 = *(a4 + 3);
compinv(b + 0, data01, data02);
*(b + 2) = data09;
*(b + 3) = data10;
*(b + 4) = data17;
*(b + 5) = data18;
*(b + 6) = data25;
*(b + 7) = data26;
compinv(b + 10, data11, data12);
*(b + 12) = data19;
*(b + 13) = data20;
*(b + 14) = data27;
*(b + 15) = data28;
}
if (ii < jj) {
data01 = *(a1 + 0);
data02 = *(a1 + 1);
data03 = *(a1 + 2);
data04 = *(a1 + 3);
data09 = *(a2 + 0);
data10 = *(a2 + 1);
data11 = *(a2 + 2);
data12 = *(a2 + 3);
data17 = *(a3 + 0);
data18 = *(a3 + 1);
data19 = *(a3 + 2);
data20 = *(a3 + 3);
data25 = *(a4 + 0);
data26 = *(a4 + 1);
data27 = *(a4 + 2);
data28 = *(a4 + 3);
*(b + 0) = data01;
*(b + 1) = data02;
*(b + 2) = data09;
*(b + 3) = data10;
*(b + 4) = data17;
*(b + 5) = data18;
*(b + 6) = data25;
*(b + 7) = data26;
*(b + 8) = data03;
*(b + 9) = data04;
*(b + 10) = data11;
*(b + 11) = data12;
*(b + 12) = data19;
*(b + 13) = data20;
*(b + 14) = data27;
*(b + 15) = data28;
}
a1 += 4;
a2 += 4;
a3 += 4;
a4 += 4;
b += 16;
ii += 2;
}
if (m & 1) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
data02 = *(a1 + 1);
#endif
data09 = *(a2 + 0);
data10 = *(a2 + 1);
data17 = *(a3 + 0);
data18 = *(a3 + 1);
data25 = *(a4 + 0);
data26 = *(a4 + 1);
compinv(b + 0, data01, data02);
*(b + 2) = data09;
*(b + 3) = data10;
*(b + 4) = data17;
*(b + 5) = data18;
*(b + 6) = data25;
*(b + 7) = data26;
}
if (ii < jj) {
data01 = *(a1 + 0);
data02 = *(a1 + 1);
data09 = *(a2 + 0);
data10 = *(a2 + 1);
data17 = *(a3 + 0);
data18 = *(a3 + 1);
data25 = *(a4 + 0);
data26 = *(a4 + 1);
*(b + 0) = data01;
*(b + 1) = data02;
*(b + 2) = data09;
*(b + 3) = data10;
*(b + 4) = data17;
*(b + 5) = data18;
*(b + 6) = data25;
*(b + 7) = data26;
}
a1 += 2;
a2 += 2;
a3 += 2;
a4 += 2;
b += 8;
ii += 1;
}
a += 4 * lda;
jj += 4;
j --;
}
if (n & 2) {
a1 = a + 0 * lda;
a2 = a + 1 * lda;
ii = 0;
i = (m >> 1);
while (i > 0) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
data02 = *(a1 + 1);
#endif
data09 = *(a2 + 0);
data10 = *(a2 + 1);
#ifndef UNIT
data11 = *(a2 + 2);
data12 = *(a2 + 3);
#endif
compinv(b + 0, data01, data02);
*(b + 2) = data09;
*(b + 3) = data10;
compinv(b + 6, data11, data12);
}
if (ii < jj) {
data01 = *(a1 + 0);
data02 = *(a1 + 1);
data03 = *(a1 + 2);
data04 = *(a1 + 3);
data09 = *(a2 + 0);
data10 = *(a2 + 1);
data11 = *(a2 + 2);
data12 = *(a2 + 3);
*(b + 0) = data01;
*(b + 1) = data02;
*(b + 2) = data09;
*(b + 3) = data10;
*(b + 4) = data03;
*(b + 5) = data04;
*(b + 6) = data11;
*(b + 7) = data12;
}
a1 += 4;
a2 += 4;
b += 8;
i --;
ii += 2;
}
if (m & 1) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
data02 = *(a1 + 1);
#endif
data09 = *(a2 + 0);
data10 = *(a2 + 1);
compinv(b + 0, data01, data02);
*(b + 2) = data09;
*(b + 3) = data10;
}
if (ii < jj) {
data01 = *(a1 + 0);
data02 = *(a1 + 1);
data09 = *(a2 + 0);
data10 = *(a2 + 1);
*(b + 0) = data01;
*(b + 1) = data02;
*(b + 2) = data09;
*(b + 3) = data10;
}
a1 += 2;
a2 += 2;
b += 4;
ii += 1;
}
a += 2 *lda;
jj += 2;
}
if (n & 1) {
a1 = a + 0 * lda;
ii = 0;
i = m;
while (i > 0) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
data02 = *(a1 + 1);
#endif
compinv(b + 0, data01, data02);
}
if (ii < jj) {
data01 = *(a1 + 0);
data02 = *(a1 + 1);
*(b + 0) = data01;
*(b + 1) = data02;
}
a1 += 2;
b += 2;
i --;
ii += 1;
}
a += lda;
jj += 1;
}
return 0;
}