114 lines
4.9 KiB
C
114 lines
4.9 KiB
C
/*****************************************************************************
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Copyright (c) 2014, Intel Corp.
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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 met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Intel Corporation nor the names of its contributors
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may be used to endorse or promote products derived from this software
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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 COPYRIGHT OWNER 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
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************
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* Contents: Native high-level C interface to LAPACK function slaswp
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* Author: Intel Corporation
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*****************************************************************************/
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#include "lapacke_utils.h"
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lapack_int LAPACKE_slascl( int matrix_layout, char type, lapack_int kl,
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lapack_int ku, float cfrom, float cto,
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lapack_int m, lapack_int n, float* a,
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lapack_int lda )
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{
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if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
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LAPACKE_xerbla( "LAPACKE_slascl", -1 );
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return -1;
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}
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#ifndef LAPACK_DISABLE_NAN_CHECK
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if( LAPACKE_get_nancheck() ) {
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/* Optionally check input matrices for NaNs */
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switch (type) {
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case 'G':
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if( LAPACKE_sge_nancheck( matrix_layout, m, n, a, lda ) ) {
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return -9;
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}
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break;
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case 'L':
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// TYPE = 'L' - lower triangle of general matrix
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if( matrix_layout == LAPACK_COL_MAJOR &&
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LAPACKE_sgb_nancheck( matrix_layout, m, n, m-1, 0, a, lda+1 ) ) {
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return -9;
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}
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if( matrix_layout == LAPACK_ROW_MAJOR &&
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LAPACKE_sgb_nancheck( LAPACK_COL_MAJOR, n, m, 0, m-1, a-m+1, lda+1 ) ) {
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return -9;
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}
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break;
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case 'U':
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// TYPE = 'U' - upper triangle of general matrix
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if( matrix_layout == LAPACK_COL_MAJOR &&
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LAPACKE_sgb_nancheck( matrix_layout, m, n, 0, n-1, a-n+1, lda+1 ) ) {
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return -9;
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}
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if( matrix_layout == LAPACK_ROW_MAJOR &&
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LAPACKE_sgb_nancheck( LAPACK_COL_MAJOR, n, m, n-1, 0, a, lda+1 ) ) {
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return -9;
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}
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break;
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case 'H':
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// TYPE = 'H' - part of upper Hessenberg matrix in general matrix
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if( matrix_layout == LAPACK_COL_MAJOR &&
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LAPACKE_sgb_nancheck( matrix_layout, m, n, 1, n-1, a-n+1, lda+1 ) ) {
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return -9;
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}
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if( matrix_layout == LAPACK_ROW_MAJOR &&
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LAPACKE_sgb_nancheck( LAPACK_COL_MAJOR, n, m, n-1, 1, a-1, lda+1 ) ) {
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return -9;
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}
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break;
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case 'B':
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// TYPE = 'B' - lower part of symmetric band matrix (assume m==n)
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if( LAPACKE_ssb_nancheck( matrix_layout, 'L', n, kl, a, lda ) ) {
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return -9;
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}
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break;
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case 'Q':
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// TYPE = 'Q' - upper part of symmetric band matrix (assume m==n)
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if( LAPACKE_ssb_nancheck( matrix_layout, 'U', n, ku, a, lda ) ) {
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return -9;
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}
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break;
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case 'Z':
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// TYPE = 'Z' - band matrix laid out for ?GBTRF
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if( matrix_layout == LAPACK_COL_MAJOR &&
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LAPACKE_sgb_nancheck( matrix_layout, m, n, kl, ku, a+kl, lda ) ) {
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return -9;
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}
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if( matrix_layout == LAPACK_ROW_MAJOR &&
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LAPACKE_sgb_nancheck( matrix_layout, m, n, kl, ku, a+lda*kl, lda ) ) {
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return -9;
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}
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break;
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}
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}
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#endif
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return LAPACKE_slascl_work( matrix_layout, type, kl, ku, cfrom, cto, m, n, a, lda );
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}
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