/*********************************************************************/ /* 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 #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; 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; 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; 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; 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; b[ 0] = data01; b[ 1] = data02; b[ 2] = data03; b[ 3] = data04; 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; b[ 0] = data01; b[ 1] = data02; b += 2; offset --; i --; } } return 0; }