/*********************************************************************/
/* 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, offset;
FLOAT data01, data02, data03, data04, data05, data06, data07, data08;
FLOAT data09, data10, data11, data12, data13, data14, data15, data16;
FLOAT *ao1, *ao2, *ao3, *ao4, *ao5, *ao6, *ao7, *ao8;
lda *= 2;
js = (n >> 3);
while (js > 0){
offset = posX - posY;
if (offset > 0) ao1 = a + posY * 2 + (posX + 0) * lda; else ao1 = a + (posX + 0) * 2 + posY * lda;
if (offset > -1) ao2 = a + posY * 2 + (posX + 1) * lda; else ao2 = a + (posX + 1) * 2 + posY * lda;
if (offset > -2) ao3 = a + posY * 2 + (posX + 2) * lda; else ao3 = a + (posX + 2) * 2 + posY * lda;
if (offset > -3) ao4 = a + posY * 2 + (posX + 3) * lda; else ao4 = a + (posX + 3) * 2 + posY * lda;
if (offset > -4) ao5 = a + posY * 2 + (posX + 4) * lda; else ao5 = a + (posX + 4) * 2 + posY * lda;
if (offset > -5) ao6 = a + posY * 2 + (posX + 5) * lda; else ao6 = a + (posX + 5) * 2 + posY * lda;
if (offset > -6) ao7 = a + posY * 2 + (posX + 6) * lda; else ao7 = a + (posX + 6) * 2 + posY * lda;
if (offset > -7) ao8 = a + posY * 2 + (posX + 7) * lda; else ao8 = a + (posX + 7) * 2 + posY * lda;
i = m;
while (i > 0) {
data01 = *(ao1 + 0);
data02 = *(ao1 + 1);
data03 = *(ao2 + 0);
data04 = *(ao2 + 1);
data05 = *(ao3 + 0);
data06 = *(ao3 + 1);
data07 = *(ao4 + 0);
data08 = *(ao4 + 1);
data09 = *(ao5 + 0);
data10 = *(ao5 + 1);
data11 = *(ao6 + 0);
data12 = *(ao6 + 1);
data13 = *(ao7 + 0);
data14 = *(ao7 + 1);
data15 = *(ao8 + 0);
data16 = *(ao8 + 1);
if (offset > 0) ao1 += 2; else ao1 += lda;
if (offset > -1) ao2 += 2; else ao2 += lda;
if (offset > -2) ao3 += 2; else ao3 += lda;
if (offset > -3) ao4 += 2; else ao4 += lda;
if (offset > -4) ao5 += 2; else ao5 += lda;
if (offset > -5) ao6 += 2; else ao6 += lda;
if (offset > -6) ao7 += 2; else ao7 += lda;
if (offset > -7) ao8 += 2; else ao8 += lda;
if (offset > 0) {
b[ 0] = data01;
b[ 1] = -data02;
b[ 2] = data03;
b[ 3] = -data04;
b[ 4] = data05;
b[ 5] = -data06;
b[ 6] = data07;
b[ 7] = -data08;
b[ 8] = data09;
b[ 9] = -data10;
b[10] = data11;
b[11] = -data12;
b[12] = data13;
b[13] = -data14;
b[14] = data15;
b[15] = -data16;
} else
if (offset < -7) {
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
b[ 4] = data05;
b[ 5] = data06;
b[ 6] = data07;
b[ 7] = data08;
b[ 8] = data09;
b[ 9] = data10;
b[10] = data11;
b[11] = data12;
b[12] = data13;
b[13] = data14;
b[14] = data15;
b[15] = data16;
} else {
switch (offset) {
case 0 :
b[ 0] = data01;
b[ 1] = ZERO;
b[ 2] = data03;
b[ 3] = -data04;
b[ 4] = data05;
b[ 5] = -data06;
b[ 6] = data07;
b[ 7] = -data08;
b[ 8] = data09;
b[ 9] = -data10;
b[10] = data11;
b[11] = -data12;
b[12] = data13;
b[13] = -data14;
b[14] = data15;
b[15] = -data16;
break;
case -1 :
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = ZERO;
b[ 4] = data05;
b[ 5] = -data06;
b[ 6] = data07;
b[ 7] = -data08;
b[ 8] = data09;
b[ 9] = -data10;
b[10] = data11;
b[11] = -data12;
b[12] = data13;
b[13] = -data14;
b[14] = data15;
b[15] = -data16;
break;
case -2 :
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
b[ 4] = data05;
b[ 5] = ZERO;
b[ 6] = data07;
b[ 7] = -data08;
b[ 8] = data09;
b[ 9] = -data10;
b[10] = data11;
b[11] = -data12;
b[12] = data13;
b[13] = -data14;
b[14] = data15;
b[15] = -data16;
break;
case -3 :
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
b[ 4] = data05;
b[ 5] = data06;
b[ 6] = data07;
b[ 7] = ZERO;
b[ 8] = data09;
b[ 9] = -data10;
b[10] = data11;
b[11] = -data12;
b[12] = data13;
b[13] = -data14;
b[14] = data15;
b[15] = -data16;
break;
case -4 :
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
b[ 4] = data05;
b[ 5] = data06;
b[ 6] = data07;
b[ 7] = data08;
b[ 8] = data09;
b[ 9] = ZERO;
b[10] = data11;
b[11] = -data12;
b[12] = data13;
b[13] = -data14;
b[14] = data15;
b[15] = -data16;
break;
case -5 :
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
b[ 4] = data05;
b[ 5] = data06;
b[ 6] = data07;
b[ 7] = data08;
b[ 8] = data09;
b[ 9] = data10;
b[10] = data11;
b[11] = ZERO;
b[12] = data13;
b[13] = -data14;
b[14] = data15;
b[15] = -data16;
break;
case -6 :
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
b[ 4] = data05;
b[ 5] = data06;
b[ 6] = data07;
b[ 7] = data08;
b[ 8] = data09;
b[ 9] = data10;
b[10] = data11;
b[11] = data12;
b[12] = data13;
b[13] = ZERO;
b[14] = data15;
b[15] = -data16;
break;
case -7 :
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
b[ 4] = data05;
b[ 5] = data06;
b[ 6] = data07;
b[ 7] = data08;
b[ 8] = data09;
b[ 9] = data10;
b[10] = data11;
b[11] = data12;
b[12] = data13;
b[13] = data14;
b[14] = data15;
b[15] = ZERO;
break;
}
}
b += 16;
offset --;
i --;
}
posX += 8;
js --;
}
if (n & 4) {
offset = posX - posY;
if (offset > 0) ao1 = a + posY * 2 + (posX + 0) * lda; else ao1 = a + (posX + 0) * 2 + posY * lda;
if (offset > -1) ao2 = a + posY * 2 + (posX + 1) * lda; else ao2 = a + (posX + 1) * 2 + posY * lda;
if (offset > -2) ao3 = a + posY * 2 + (posX + 2) * lda; else ao3 = a + (posX + 2) * 2 + posY * lda;
if (offset > -3) ao4 = a + posY * 2 + (posX + 3) * lda; else ao4 = a + (posX + 3) * 2 + posY * lda;
i = m;
while (i > 0) {
data01 = *(ao1 + 0);
data02 = *(ao1 + 1);
data03 = *(ao2 + 0);
data04 = *(ao2 + 1);
data05 = *(ao3 + 0);
data06 = *(ao3 + 1);
data07 = *(ao4 + 0);
data08 = *(ao4 + 1);
if (offset > 0) ao1 += 2; else ao1 += lda;
if (offset > -1) ao2 += 2; else ao2 += lda;
if (offset > -2) ao3 += 2; else ao3 += lda;
if (offset > -3) ao4 += 2; else ao4 += lda;
if (offset > 0) {
b[ 0] = data01;
b[ 1] = -data02;
b[ 2] = data03;
b[ 3] = -data04;
b[ 4] = data05;
b[ 5] = -data06;
b[ 6] = data07;
b[ 7] = -data08;
} else
if (offset < -3) {
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
b[ 4] = data05;
b[ 5] = data06;
b[ 6] = data07;
b[ 7] = data08;
} else {
switch (offset) {
case 0 :
b[ 0] = data01;
b[ 1] = ZERO;
b[ 2] = data03;
b[ 3] = -data04;
b[ 4] = data05;
b[ 5] = -data06;
b[ 6] = data07;
b[ 7] = -data08;
break;
case -1 :
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = ZERO;
b[ 4] = data05;
b[ 5] = -data06;
b[ 6] = data07;
b[ 7] = -data08;
break;
case -2 :
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
b[ 4] = data05;
b[ 5] = ZERO;
b[ 6] = data07;
b[ 7] = -data08;
break;
case -3 :
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
b[ 4] = data05;
b[ 5] = data06;
b[ 6] = data07;
b[ 7] = ZERO;
break;
}
}
b += 8;
offset --;
i --;
}
posX += 4;
}
if (n & 2) {
offset = posX - posY;
if (offset > 0) ao1 = a + posY * 2 + (posX + 0) * lda; else ao1 = a + (posX + 0) * 2 + posY * lda;
if (offset > -1) ao2 = a + posY * 2 + (posX + 1) * lda; else ao2 = a + (posX + 1) * 2 + posY * lda;
i = m;
while (i > 0) {
data01 = *(ao1 + 0);
data02 = *(ao1 + 1);
data03 = *(ao2 + 0);
data04 = *(ao2 + 1);
if (offset > 0) ao1 += 2; else ao1 += lda;
if (offset > -1) ao2 += 2; else ao2 += lda;
if (offset > 0) {
b[ 0] = data01;
b[ 1] = -data02;
b[ 2] = data03;
b[ 3] = -data04;
} else
if (offset < -1) {
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = data04;
} else {
switch (offset) {
case 0 :
b[ 0] = data01;
b[ 1] = ZERO;
b[ 2] = data03;
b[ 3] = -data04;
break;
case -1 :
b[ 0] = data01;
b[ 1] = data02;
b[ 2] = data03;
b[ 3] = ZERO;
break;
}
}
b += 4;
offset --;
i --;
}
posX += 2;
}
if (n & 1) {
offset = posX - posY;
if (offset > 0) ao1 = a + posY * 2 + (posX + 0) * lda; else ao1 = a + (posX + 0) * 2 + posY * lda;
i = m;
while (i > 0) {
data01 = *(ao1 + 0);
data02 = *(ao1 + 1);
if (offset > 0) ao1 += 2; else ao1 += lda;
if (offset > 0) {
b[ 0] = data01;
b[ 1] = -data02;
} else
if (offset < 0) {
b[ 0] = data01;
b[ 1] = data02;
} else {
b[ 0] = data01;
b[ 1] = ZERO;
}
b += 2;
offset --;
i --;
}
}
return 0;
}