/*********************************************************************/
/* 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 posX, BLASLONG posY, FLOAT *b){
BLASLONG i, js;
BLASLONG X;
FLOAT data01, data02, data03, data04, data05, data06, data07, data08;
FLOAT data09, data10, data11, data12, data13, data14, data15, data16;
FLOAT *ao1, *ao2, *ao3, *ao4;
js = (n >> 2);
if (js > 0){
do {
X = posX;
if (posX <= posY) {
ao1 = a + posY + (posX + 0) * lda;
ao2 = a + posY + (posX + 1) * lda;
ao3 = a + posY + (posX + 2) * lda;
ao4 = a + posY + (posX + 3) * lda;
} else {
ao1 = a + posX + (posY + 0) * lda;
ao2 = a + posX + (posY + 1) * lda;
ao3 = a + posX + (posY + 2) * lda;
ao4 = a + posX + (posY + 3) * lda;
}
i = (m >> 2);
if (i > 0) {
do {
if (X > posY) {
data01 = *(ao1 + 0);
data02 = *(ao1 + 1);
data03 = *(ao1 + 2);
data04 = *(ao1 + 3);
data05 = *(ao2 + 0);
data06 = *(ao2 + 1);
data07 = *(ao2 + 2);
data08 = *(ao2 + 3);
data09 = *(ao3 + 0);
data10 = *(ao3 + 1);
data11 = *(ao3 + 2);
data12 = *(ao3 + 3);
data13 = *(ao4 + 0);
data14 = *(ao4 + 1);
data15 = *(ao4 + 2);
data16 = *(ao4 + 3);
b[ 0] = data01;
b[ 1] = data05;
b[ 2] = data09;
b[ 3] = data13;
b[ 4] = data02;
b[ 5] = data06;
b[ 6] = data10;
b[ 7] = data14;
b[ 8] = data03;
b[ 9] = data07;
b[10] = data11;
b[11] = data15;
b[12] = data04;
b[13] = data08;
b[14] = data12;
b[15] = data16;
ao1 += 4;
ao2 += 4;
ao3 += 4;
ao4 += 4;
b += 16;
} else
if (X < posY) {
ao1 += 4 * lda;
ao2 += 4 * lda;
ao3 += 4 * lda;
ao4 += 4 * lda;
b += 16;
} else {
#ifdef UNIT
data02 = *(ao1 + 1);
data03 = *(ao1 + 2);
data04 = *(ao1 + 3);
data07 = *(ao2 + 2);
data08 = *(ao2 + 3);
data12 = *(ao3 + 3);
b[ 0] = ONE;
b[ 1] = ZERO;
b[ 2] = ZERO;
b[ 3] = ZERO;
b[ 4] = data02;
b[ 5] = ONE;
b[ 6] = ZERO;
b[ 7] = ZERO;
b[ 8] = data03;
b[ 9] = data07;
b[10] = ONE;
b[11] = ZERO;
b[12] = data04;
b[13] = data08;
b[14] = data12;
b[15] = ONE;
#else
data01 = *(ao1 + 0);
data02 = *(ao1 + 1);
data03 = *(ao1 + 2);
data04 = *(ao1 + 3);
data06 = *(ao2 + 1);
data07 = *(ao2 + 2);
data08 = *(ao2 + 3);
data11 = *(ao3 + 2);
data12 = *(ao3 + 3);
data16 = *(ao4 + 3);
b[ 0] = data01;
b[ 1] = ZERO;
b[ 2] = ZERO;
b[ 3] = ZERO;
b[ 4] = data02;
b[ 5] = data06;
b[ 6] = ZERO;
b[ 7] = ZERO;
b[ 8] = data03;
b[ 9] = data07;
b[10] = data11;
b[11] = ZERO;
b[12] = data04;
b[13] = data08;
b[14] = data12;
b[15] = data16;
#endif
ao1 += 4;
ao2 += 4;
ao3 += 4;
ao4 += 4;
b += 16;
}
X += 4;
i --;
} while (i > 0);
}
i = (m & 3);
if (i) {
if (X > posY) {
if (m & 2) {
data01 = *(ao1 + 0);
data02 = *(ao1 + 1);
data03 = *(ao2 + 0);
data04 = *(ao2 + 1);
data05 = *(ao3 + 0);
data06 = *(ao3 + 1);
data07 = *(ao4 + 0);
data08 = *(ao4 + 1);
b[ 0] = data01;
b[ 1] = data03;
b[ 2] = data05;
b[ 3] = data07;
b[ 4] = data02;
b[ 5] = data04;
b[ 6] = data06;
b[ 7] = data08;
ao1 += 2;
ao2 += 2;
ao3 += 2;
ao4 += 2;
b += 8;
}
if (m & 1) {
data01 = *(ao1 + 0);
data02 = *(ao2 + 0);
data03 = *(ao3 + 0);
data04 = *(ao4 + 0);
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
ao1 += 1;
ao2 += 1;
ao3 += 1;
ao4 += 1;
b += 4;
}
} else
if (X < posY) {
if (m & 2) {
ao1 += 2 * lda;
ao2 += 2 * lda;
b += 8;
}
if (m & 1) {
ao1 += lda;
b += 4;
}
} else {
#ifdef UNIT
data05 = *(ao2 + 0);
data09 = *(ao3 + 0);
data13 = *(ao4 + 0);
if (i >= 2) {
data10 = *(ao3 + 1);
data14 = *(ao4 + 1);
}
if (i >= 3) {
data15 = *(ao4 + 2);
}
b[ 0] = ONE;
b[ 1] = data05;
b[ 2] = data09;
b[ 3] = data13;
b += 4;
if(i >= 2) {
b[ 0] = ZERO;
b[ 1] = ONE;
b[ 2] = data10;
b[ 3] = data14;
b += 4;
}
if (i >= 3) {
b[ 0] = ZERO;
b[ 1] = ZERO;
b[ 2] = ONE;
b[ 3] = data15;
b += 4;
}
#else
data01 = *(ao1 + 0);
data05 = *(ao2 + 0);
data09 = *(ao3 + 0);
data13 = *(ao4 + 0);
if (i >= 2) {
data06 = *(ao2 + 1);
data10 = *(ao3 + 1);
data14 = *(ao4 + 1);
}
if (i >= 3) {
data11 = *(ao3 + 2);
data15 = *(ao4 + 2);
}
b[ 0] = data01;
b[ 1] = data05;
b[ 2] = data09;
b[ 3] = data13;
b += 4;
if(i >= 2) {
b[ 0] = ZERO;
b[ 1] = data06;
b[ 2] = data10;
b[ 3] = data14;
b += 4;
}
if (i >= 3) {
b[ 0] = ZERO;
b[ 1] = ZERO;
b[ 2] = data11;
b[ 3] = data15;
b += 4;
}
#endif
}
}
posY += 4;
js --;
} while (js > 0);
} /* End of main loop */
if (n & 2){
X = posX;
if (posX <= posY) {
ao1 = a + posY + (posX + 0) * lda;
ao2 = a + posY + (posX + 1) * lda;
} else {
ao1 = a + posX + (posY + 0) * lda;
ao2 = a + posX + (posY + 1) * lda;
}
i = (m >> 1);
if (i > 0) {
do {
if (X > posY) {
data01 = *(ao1 + 0);
data02 = *(ao1 + 1);
data05 = *(ao2 + 0);
data06 = *(ao2 + 1);
b[ 0] = data01;
b[ 1] = data05;
b[ 2] = data02;
b[ 3] = data06;
ao1 += 2;
ao2 += 2;
b += 4;
} else
if (X < posY) {
ao1 += 2 * lda;
ao2 += 2 * lda;
b += 4;
} else {
#ifdef UNIT
data02 = *(ao1 + 1);
b[ 0] = ONE;
b[ 1] = ZERO;
b[ 2] = data02;
b[ 3] = ONE;
#else
data01 = *(ao1 + 0);
data02 = *(ao1 + 1);
data06 = *(ao2 + 1);
b[ 0] = data01;
b[ 1] = ZERO;
b[ 2] = data02;
b[ 3] = data06;
#endif
ao1 += 2;
ao2 += 2;
b += 4;
}
X += 2;
i --;
} while (i > 0);
}
i = (m & 1);
if (i) {
if (X > posY) {
data01 = *(ao1 + 0);
data02 = *(ao2 + 0);
b[ 0] = data01;
b[ 1] = data02;
ao1 += 1;
ao2 += 1;
b += 2;
} else
if (X < posY) {
ao1 += lda;
b += 2;
} else {
#ifdef UNIT
data05 = *(ao2 + 0);
b[ 0] = ONE;
b[ 1] = data05;
#else
data01 = *(ao1 + 0);
data05 = *(ao2 + 0);
b[ 0] = data01;
b[ 1] = data05;
#endif
b += 2;
}
}
posY += 2;
}
if (n & 1){
X = posX;
if (posX <= posY) {
ao1 = a + posY + (posX + 0) * lda;
} else {
ao1 = a + posX + (posY + 0) * lda;
}
i = m;
if (i > 0) {
do {
if (X > posY) {
data01 = *(ao1 + 0);
b[ 0] = data01;
b += 1;
ao1 += 1;
} else
if (X < posY) {
b += 1;
ao1 += lda;
} else {
#ifdef UNIT
b[ 0] = ONE;
#else
data01 = *(ao1 + 0);
b[ 0] = data01;
#endif
b += 1;
ao1 += 1;
}
X ++;
i --;
} while (i > 0);
}
posY += 1;
}
return 0;
}