/*********************************************************************/
/* 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 "common.h"
#ifndef UNIT
#define INV(a) (ONE / (a))
#else
#define INV(a) (ONE)
#endif
int CNAME(BLASLONG m, BLASLONG n, FLOAT *a, BLASLONG lda, BLASLONG offset, FLOAT *b){
BLASLONG i, ii, j, jj;
FLOAT data01, data02, data03, data04, data05, data06, data07, data08;
FLOAT data09, data10, data11, data12, data13, data14, data15, data16;
FLOAT data17, data18, data19, data20, data21, data22, data23, data24;
FLOAT data25, data26, data27, data28, data29, data30, data31, data32;
FLOAT data33, data34, data35, data36, data37, data38, data39, data40;
FLOAT data41, data42, data43, data44, data45, data46, data47, data48;
FLOAT data49, data50, data51, data52, data53, data54, data55, data56;
FLOAT data57, data58, data59, data60, data61, data62, data63, data64;
FLOAT *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
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;
ii = 0;
i = (m >> 3);
while (i > 0) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
#endif
data09 = *(a2 + 0);
#ifndef UNIT
data10 = *(a2 + 1);
#endif
data17 = *(a3 + 0);
data18 = *(a3 + 1);
#ifndef UNIT
data19 = *(a3 + 2);
#endif
data25 = *(a4 + 0);
data26 = *(a4 + 1);
data27 = *(a4 + 2);
#ifndef UNIT
data28 = *(a4 + 3);
#endif
data33 = *(a5 + 0);
data34 = *(a5 + 1);
data35 = *(a5 + 2);
data36 = *(a5 + 3);
#ifndef UNIT
data37 = *(a5 + 4);
#endif
data41 = *(a6 + 0);
data42 = *(a6 + 1);
data43 = *(a6 + 2);
data44 = *(a6 + 3);
data45 = *(a6 + 4);
#ifndef UNIT
data46 = *(a6 + 5);
#endif
data49 = *(a7 + 0);
data50 = *(a7 + 1);
data51 = *(a7 + 2);
data52 = *(a7 + 3);
data53 = *(a7 + 4);
data54 = *(a7 + 5);
#ifndef UNIT
data55 = *(a7 + 6);
#endif
data57 = *(a8 + 0);
data58 = *(a8 + 1);
data59 = *(a8 + 2);
data60 = *(a8 + 3);
data61 = *(a8 + 4);
data62 = *(a8 + 5);
data63 = *(a8 + 6);
#ifndef UNIT
data64 = *(a8 + 7);
#endif
*(b + 0) = INV(data01);
*(b + 1) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 4) = data33;
*(b + 5) = data41;
*(b + 6) = data49;
*(b + 7) = data57;
*(b + 9) = INV(data10);
*(b + 10) = data18;
*(b + 11) = data26;
*(b + 12) = data34;
*(b + 13) = data42;
*(b + 14) = data50;
*(b + 15) = data58;
*(b + 18) = INV(data19);
*(b + 19) = data27;
*(b + 20) = data35;
*(b + 21) = data43;
*(b + 22) = data51;
*(b + 23) = data59;
*(b + 27) = INV(data28);
*(b + 28) = data36;
*(b + 29) = data44;
*(b + 30) = data52;
*(b + 31) = data60;
*(b + 36) = INV(data37);
*(b + 37) = data45;
*(b + 38) = data53;
*(b + 39) = data61;
*(b + 45) = INV(data46);
*(b + 46) = data54;
*(b + 47) = data62;
*(b + 54) = INV(data55);
*(b + 55) = data63;
*(b + 63) = INV(data64);
}
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);
data33 = *(a5 + 0);
data34 = *(a5 + 1);
data35 = *(a5 + 2);
data36 = *(a5 + 3);
data37 = *(a5 + 4);
data38 = *(a5 + 5);
data39 = *(a5 + 6);
data40 = *(a5 + 7);
data41 = *(a6 + 0);
data42 = *(a6 + 1);
data43 = *(a6 + 2);
data44 = *(a6 + 3);
data45 = *(a6 + 4);
data46 = *(a6 + 5);
data47 = *(a6 + 6);
data48 = *(a6 + 7);
data49 = *(a7 + 0);
data50 = *(a7 + 1);
data51 = *(a7 + 2);
data52 = *(a7 + 3);
data53 = *(a7 + 4);
data54 = *(a7 + 5);
data55 = *(a7 + 6);
data56 = *(a7 + 7);
data57 = *(a8 + 0);
data58 = *(a8 + 1);
data59 = *(a8 + 2);
data60 = *(a8 + 3);
data61 = *(a8 + 4);
data62 = *(a8 + 5);
data63 = *(a8 + 6);
data64 = *(a8 + 7);
*(b + 0) = data01;
*(b + 1) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 4) = data33;
*(b + 5) = data41;
*(b + 6) = data49;
*(b + 7) = data57;
*(b + 8) = data02;
*(b + 9) = data10;
*(b + 10) = data18;
*(b + 11) = data26;
*(b + 12) = data34;
*(b + 13) = data42;
*(b + 14) = data50;
*(b + 15) = data58;
*(b + 16) = data03;
*(b + 17) = data11;
*(b + 18) = data19;
*(b + 19) = data27;
*(b + 20) = data35;
*(b + 21) = data43;
*(b + 22) = data51;
*(b + 23) = data59;
*(b + 24) = data04;
*(b + 25) = data12;
*(b + 26) = data20;
*(b + 27) = data28;
*(b + 28) = data36;
*(b + 29) = data44;
*(b + 30) = data52;
*(b + 31) = data60;
*(b + 32) = data05;
*(b + 33) = data13;
*(b + 34) = data21;
*(b + 35) = data29;
*(b + 36) = data37;
*(b + 37) = data45;
*(b + 38) = data53;
*(b + 39) = data61;
*(b + 40) = data06;
*(b + 41) = data14;
*(b + 42) = data22;
*(b + 43) = data30;
*(b + 44) = data38;
*(b + 45) = data46;
*(b + 46) = data54;
*(b + 47) = data62;
*(b + 48) = data07;
*(b + 49) = data15;
*(b + 50) = data23;
*(b + 51) = data31;
*(b + 52) = data39;
*(b + 53) = data47;
*(b + 54) = data55;
*(b + 55) = data63;
*(b + 56) = data08;
*(b + 57) = data16;
*(b + 58) = data24;
*(b + 59) = data32;
*(b + 60) = data40;
*(b + 61) = data48;
*(b + 62) = data56;
*(b + 63) = data64;
}
a1 += 8;
a2 += 8;
a3 += 8;
a4 += 8;
a5 += 8;
a6 += 8;
a7 += 8;
a8 += 8;
b += 64;
i --;
ii += 8;
}
if (m & 4) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
#endif
data09 = *(a2 + 0);
#ifndef UNIT
data10 = *(a2 + 1);
#endif
data17 = *(a3 + 0);
data18 = *(a3 + 1);
#ifndef UNIT
data19 = *(a3 + 2);
#endif
data25 = *(a4 + 0);
data26 = *(a4 + 1);
data27 = *(a4 + 2);
#ifndef UNIT
data28 = *(a4 + 3);
#endif
data33 = *(a5 + 0);
data34 = *(a5 + 1);
data35 = *(a5 + 2);
data36 = *(a5 + 3);
data41 = *(a6 + 0);
data42 = *(a6 + 1);
data43 = *(a6 + 2);
data44 = *(a6 + 3);
data49 = *(a7 + 0);
data50 = *(a7 + 1);
data51 = *(a7 + 2);
data52 = *(a7 + 3);
data57 = *(a8 + 0);
data58 = *(a8 + 1);
data59 = *(a8 + 2);
data60 = *(a8 + 3);
*(b + 0) = INV(data01);
*(b + 1) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 4) = data33;
*(b + 5) = data41;
*(b + 6) = data49;
*(b + 7) = data57;
*(b + 9) = INV(data10);
*(b + 10) = data18;
*(b + 11) = data26;
*(b + 12) = data34;
*(b + 13) = data42;
*(b + 14) = data50;
*(b + 15) = data58;
*(b + 18) = INV(data19);
*(b + 19) = data27;
*(b + 20) = data35;
*(b + 21) = data43;
*(b + 22) = data51;
*(b + 23) = data59;
*(b + 27) = INV(data28);
*(b + 28) = data36;
*(b + 29) = data44;
*(b + 30) = data52;
*(b + 31) = data60;
}
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);
data33 = *(a5 + 0);
data34 = *(a5 + 1);
data35 = *(a5 + 2);
data36 = *(a5 + 3);
data41 = *(a6 + 0);
data42 = *(a6 + 1);
data43 = *(a6 + 2);
data44 = *(a6 + 3);
data49 = *(a7 + 0);
data50 = *(a7 + 1);
data51 = *(a7 + 2);
data52 = *(a7 + 3);
data57 = *(a8 + 0);
data58 = *(a8 + 1);
data59 = *(a8 + 2);
data60 = *(a8 + 3);
*(b + 0) = data01;
*(b + 1) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 4) = data33;
*(b + 5) = data41;
*(b + 6) = data49;
*(b + 7) = data57;
*(b + 8) = data02;
*(b + 9) = data10;
*(b + 10) = data18;
*(b + 11) = data26;
*(b + 12) = data34;
*(b + 13) = data42;
*(b + 14) = data50;
*(b + 15) = data58;
*(b + 16) = data03;
*(b + 17) = data11;
*(b + 18) = data19;
*(b + 19) = data27;
*(b + 20) = data35;
*(b + 21) = data43;
*(b + 22) = data51;
*(b + 23) = data59;
*(b + 24) = data04;
*(b + 25) = data12;
*(b + 26) = data20;
*(b + 27) = data28;
*(b + 28) = data36;
*(b + 29) = data44;
*(b + 30) = data52;
*(b + 31) = data60;
}
a1 += 4;
a2 += 4;
a3 += 4;
a4 += 4;
a5 += 4;
a6 += 4;
a7 += 4;
a8 += 4;
b += 32;
ii += 4;
}
if (m & 2) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
#endif
data09 = *(a2 + 0);
#ifndef UNIT
data10 = *(a2 + 1);
#endif
data17 = *(a3 + 0);
data18 = *(a3 + 1);
data25 = *(a4 + 0);
data26 = *(a4 + 1);
data33 = *(a5 + 0);
data34 = *(a5 + 1);
data41 = *(a6 + 0);
data42 = *(a6 + 1);
data49 = *(a7 + 0);
data50 = *(a7 + 1);
data57 = *(a8 + 0);
data58 = *(a8 + 1);
*(b + 0) = INV(data01);
*(b + 1) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 4) = data33;
*(b + 5) = data41;
*(b + 6) = data49;
*(b + 7) = data57;
*(b + 9) = INV(data10);
*(b + 10) = data18;
*(b + 11) = data26;
*(b + 12) = data34;
*(b + 13) = data42;
*(b + 14) = data50;
*(b + 15) = data58;
}
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);
data33 = *(a5 + 0);
data34 = *(a5 + 1);
data41 = *(a6 + 0);
data42 = *(a6 + 1);
data49 = *(a7 + 0);
data50 = *(a7 + 1);
data57 = *(a8 + 0);
data58 = *(a8 + 1);
*(b + 0) = data01;
*(b + 1) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 4) = data33;
*(b + 5) = data41;
*(b + 6) = data49;
*(b + 7) = data57;
*(b + 8) = data02;
*(b + 9) = data10;
*(b + 10) = data18;
*(b + 11) = data26;
*(b + 12) = data34;
*(b + 13) = data42;
*(b + 14) = data50;
*(b + 15) = data58;
}
a1 += 2;
a2 += 2;
a3 += 2;
a4 += 2;
a5 += 2;
a6 += 2;
a7 += 2;
a8 += 2;
b += 16;
ii += 2;
}
if (m & 1) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
#endif
data09 = *(a2 + 0);
data17 = *(a3 + 0);
data25 = *(a4 + 0);
data33 = *(a5 + 0);
data41 = *(a6 + 0);
data49 = *(a7 + 0);
data57 = *(a8 + 0);
*(b + 0) = INV(data01);
*(b + 1) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 4) = data33;
*(b + 5) = data41;
*(b + 6) = data49;
*(b + 7) = data57;
}
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) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 4) = data33;
*(b + 5) = data41;
*(b + 6) = data49;
*(b + 7) = data57;
}
b += 8;
ii += 1;
}
a += 8 * lda;
jj += 8;
j --;
}
if (n & 4) {
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);
#endif
data09 = *(a2 + 0);
#ifndef UNIT
data10 = *(a2 + 1);
#endif
data17 = *(a3 + 0);
data18 = *(a3 + 1);
#ifndef UNIT
data19 = *(a3 + 2);
#endif
data25 = *(a4 + 0);
data26 = *(a4 + 1);
data27 = *(a4 + 2);
#ifndef UNIT
data28 = *(a4 + 3);
#endif
*(b + 0) = INV(data01);
*(b + 1) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 5) = INV(data10);
*(b + 6) = data18;
*(b + 7) = data26;
*(b + 10) = INV(data19);
*(b + 11) = data27;
*(b + 15) = INV(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) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 4) = data02;
*(b + 5) = data10;
*(b + 6) = data18;
*(b + 7) = data26;
*(b + 8) = data03;
*(b + 9) = data11;
*(b + 10) = data19;
*(b + 11) = data27;
*(b + 12) = data04;
*(b + 13) = data12;
*(b + 14) = data20;
*(b + 15) = data28;
}
a1 += 4;
a2 += 4;
a3 += 4;
a4 += 4;
b += 16;
i --;
ii += 4;
}
if (m & 2) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
#endif
data09 = *(a2 + 0);
#ifndef UNIT
data10 = *(a2 + 1);
#endif
data17 = *(a3 + 0);
data18 = *(a3 + 1);
data25 = *(a4 + 0);
data26 = *(a4 + 1);
*(b + 0) = INV(data01);
*(b + 1) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 5) = INV(data10);
*(b + 6) = data18;
*(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) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
*(b + 4) = data02;
*(b + 5) = data10;
*(b + 6) = data18;
*(b + 7) = data26;
}
a1 += 2;
a2 += 2;
a3 += 2;
a4 += 2;
b += 8;
ii += 2;
}
if (m & 1) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
#endif
data09 = *(a2 + 0);
data17 = *(a3 + 0);
data25 = *(a4 + 0);
*(b + 0) = INV(data01);
*(b + 1) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
}
if (ii < jj) {
data01 = *(a1 + 0);
data09 = *(a2 + 0);
data17 = *(a3 + 0);
data25 = *(a4 + 0);
*(b + 0) = data01;
*(b + 1) = data09;
*(b + 2) = data17;
*(b + 3) = data25;
}
b += 4;
ii += 1;
}
a += 4 * lda;
jj += 4;
}
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);
#endif
data09 = *(a2 + 0);
#ifndef UNIT
data10 = *(a2 + 1);
#endif
*(b + 0) = INV(data01);
*(b + 1) = data09;
*(b + 3) = INV(data10);
}
if (ii < jj) {
data01 = *(a1 + 0);
data02 = *(a1 + 1);
data09 = *(a2 + 0);
data10 = *(a2 + 1);
*(b + 0) = data01;
*(b + 1) = data09;
*(b + 2) = data02;
*(b + 3) = data10;
}
a1 += 2;
a2 += 2;
b += 4;
i --;
ii += 2;
}
if (m & 1) {
if (ii == jj) {
#ifndef UNIT
data01 = *(a1 + 0);
#endif
data09 = *(a2 + 0);
*(b + 0) = INV(data01);
*(b + 1) = data09;
}
if (ii < jj) {
data01 = *(a1 + 0);
data09 = *(a2 + 0);
*(b + 0) = data01;
*(b + 1) = data09;
}
b += 2;
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);
#endif
*(b + 0) = INV(data01);
}
if (ii < jj) {
data01 = *(a1 + 0);
*(b + 0) = data01;
}
a1 += 1;
b += 1;
i --;
ii ++;
}
}
return 0;
}