mirror of
https://github.com/OpenMathLib/OpenBLAS
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88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/***************************************************************************
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Copyright (c) 2025, 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
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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 COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#include <stdio.h>
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#include "common.h"
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#if defined(DOUBLE)
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#define ERROR_NAME "DLAED3"
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#else
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#define ERROR_NAME "SLAED3"
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#endif
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/* ===================================================================== */
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int NAME(blasint *k, blasint *n, blasint *n1, FLOAT *d,
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FLOAT *q, blasint *ldq, FLOAT *rho, FLOAT *dlamda,
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FLOAT *q2, blasint *indx, blasint *ctot, FLOAT *w,
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FLOAT *s, blasint *Info)
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{
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blasint kval, nval, qdim, info;
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qdim = *ldq;
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kval = *k;
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nval = *n;
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/* Test the input parameters. */
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info = 0;
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if (kval < 0) {
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info = 1;
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} else if (nval < kval) {
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info = 2;
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} else if (qdim < nval || qdim < 1) {
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info = 6;
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}
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if (info) {
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BLASFUNC(xerbla)(ERROR_NAME, &info, sizeof(ERROR_NAME) - 1);
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*Info = - info;
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return 0;
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}
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/* Quick return if possible */
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*Info = 0;
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if (kval == 0) return 0;
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#ifdef SMP
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int nthreads = num_cpu_avail(4);
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if (nthreads == 1) {
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#endif
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LAED3_SINGLE(k, n, n1, d, q, ldq, rho, dlamda, q2, indx, ctot, w, s, Info);
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#ifdef SMP
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} else {
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LAED3_PARALLEL(k, n, n1, d, q, ldq, rho, dlamda, q2, indx, ctot, w, s, Info);
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}
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#endif
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return 0;
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}
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