mirror of https://github.com/xianyi/OpenBLAS.git
89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
/***************************************************************************
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Copyright (c) 2013, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#include "common.h"
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int CNAME(BLASLONG rows, BLASLONG cols, FLOAT alphar, FLOAT alphai, FLOAT *a,
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BLASLONG lda, FLOAT betar, FLOAT betai, FLOAT *b, BLASLONG ldb,
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BLASLONG transa, BLASLONG transb) {
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BLASLONG i;
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FLOAT *aptr, *bptr;
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BLASLONG lda_elem = lda;
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BLASLONG ldb_elem = ldb;
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if (rows <= 0)
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return (0);
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if (cols <= 0)
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return (0);
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aptr = a;
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bptr = b;
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lda *= 2;
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ldb *= 2;
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if (alphar == 0.0 && alphai == 0.0) {
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if (!transb) {
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for (i = 0; i < cols; i++) {
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SCAL_K(rows, 0, 0, betar, betai, bptr, 1, NULL, 0, NULL, 0);
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bptr += ldb;
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}
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} else {
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for (i = 0; i < cols; i++) {
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SCAL_K(rows, 0, 0, betar, betai, bptr, ldb_elem, NULL, 0, NULL, 0);
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bptr += 2;
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}
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}
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return (0);
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}
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if (!transa && !transb) {
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for (i = 0; i < cols; i++) {
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AXPBY_K(rows, alphar, alphai, aptr, 1, betar, betai, bptr, 1);
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aptr += lda;
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bptr += ldb;
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}
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} else if (transa && !transb) {
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for (i = 0; i < cols; i++) {
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AXPBY_K(rows, alphar, alphai, aptr, lda_elem, betar, betai, bptr, 1);
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aptr += 2;
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bptr += ldb;
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}
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} else if (!transa && transb) {
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for (i = 0; i < cols; i++) {
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AXPBY_K(rows, alphar, alphai, aptr, 1, betar, betai, bptr, ldb_elem);
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aptr += lda;
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bptr += 2;
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}
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} else if (transa && transb) {
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for (i = 0; i < cols; i++) {
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AXPBY_K(rows, alphar, alphai, aptr, lda_elem, betar, betai, bptr,
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ldb_elem);
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aptr += 2;
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bptr += 2;
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}
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}
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return (0);
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}
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