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author | julie <julielangou@users.noreply.github.com> | 2011-11-11 20:12:14 +0000 |
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committer | julie <julielangou@users.noreply.github.com> | 2011-11-11 20:12:14 +0000 |
commit | 2825d54e13016a5c76a1d765f2ab87ce0dd79285 (patch) | |
tree | c2278629c0b9db862fa544652a3e54a3d54da504 /lapacke/src/lapacke_sorcsd.c | |
parent | 84118d4efbff34064b96398ea3c1a0a1836a6755 (diff) | |
download | lapack-2825d54e13016a5c76a1d765f2ab87ce0dd79285.tar.gz lapack-2825d54e13016a5c76a1d765f2ab87ce0dd79285.tar.bz2 lapack-2825d54e13016a5c76a1d765f2ab87ce0dd79285.zip |
Add lapacke inside LAPACK
Diffstat (limited to 'lapacke/src/lapacke_sorcsd.c')
-rw-r--r-- | lapacke/src/lapacke_sorcsd.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/lapacke/src/lapacke_sorcsd.c b/lapacke/src/lapacke_sorcsd.c new file mode 100644 index 00000000..1cae261b --- /dev/null +++ b/lapacke/src/lapacke_sorcsd.c @@ -0,0 +1,112 @@ +/***************************************************************************** + Copyright (c) 2011, Intel Corp. + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * 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. + * Neither the name of Intel Corporation nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER 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. +***************************************************************************** +* Contents: Native high-level C interface to LAPACK function sorcsd +* Author: Intel Corporation +* Generated November, 2011 +*****************************************************************************/ + +#include "lapacke.h" +#include "lapacke_utils.h" + +lapack_int LAPACKE_sorcsd( int matrix_order, char jobu1, char jobu2, + char jobv1t, char jobv2t, char trans, char signs, + lapack_int m, lapack_int p, lapack_int q, float* x11, + lapack_int ldx11, float* x12, lapack_int ldx12, + float* x21, lapack_int ldx21, float* x22, + lapack_int ldx22, float* theta, float* u1, + lapack_int ldu1, float* u2, lapack_int ldu2, + float* v1t, lapack_int ldv1t, float* v2t, + lapack_int ldv2t ) +{ + lapack_int info = 0; + lapack_int lwork = -1; + lapack_int* iwork = NULL; + float* work = NULL; + float work_query; + if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) { + LAPACKE_xerbla( "LAPACKE_sorcsd", -1 ); + return -1; + } +#ifndef LAPACK_DISABLE_NAN_CHECK + /* Optionally check input matrices for NaNs */ + lapack_int nrows_x11 = ( LAPACKE_lsame( trans, 'n' ) ? p : q); + lapack_int nrows_x12 = ( LAPACKE_lsame( trans, 'n' ) ? p : m-q); + lapack_int nrows_x21 = ( LAPACKE_lsame( trans, 'n' ) ? m-p : q); + lapack_int nrows_x22 = ( LAPACKE_lsame( trans, 'n' ) ? m-p : m-q); + if( LAPACKE_sge_nancheck( matrix_order, nrows_x11, q, x11, ldx11 ) ) { + return -11; + } + if( LAPACKE_sge_nancheck( matrix_order, nrows_x12, m-q, x12, ldx12 ) ) { + return -13; + } + if( LAPACKE_sge_nancheck( matrix_order, nrows_x21, q, x21, ldx21 ) ) { + return -15; + } + if( LAPACKE_sge_nancheck( matrix_order, nrows_x22, m-q, x22, ldx22 ) ) { + return -17; + } +#endif + /* Allocate memory for working array(s) */ + iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,m-q) ); + if( iwork == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_0; + } + /* Query optimal working array(s) size */ + info = LAPACKE_sorcsd_work( matrix_order, jobu1, jobu2, jobv1t, jobv2t, + trans, signs, m, p, q, x11, ldx11, x12, ldx12, + x21, ldx21, x22, ldx22, theta, u1, ldu1, u2, + ldu2, v1t, ldv1t, v2t, ldv2t, &work_query, + lwork, iwork ); + if( info != 0 ) { + goto exit_level_1; + } + lwork = (lapack_int)work_query; + /* Allocate memory for work arrays */ + work = (float*)LAPACKE_malloc( sizeof(float) * lwork ); + if( work == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_1; + } + /* Call middle-level interface */ + info = LAPACKE_sorcsd_work( matrix_order, jobu1, jobu2, jobv1t, jobv2t, + trans, signs, m, p, q, x11, ldx11, x12, ldx12, + x21, ldx21, x22, ldx22, theta, u1, ldu1, u2, + ldu2, v1t, ldv1t, v2t, ldv2t, work, lwork, + iwork ); + /* Release memory and exit */ + LAPACKE_free( work ); +exit_level_1: + LAPACKE_free( iwork ); +exit_level_0: + if( info == LAPACK_WORK_MEMORY_ERROR ) { + LAPACKE_xerbla( "LAPACKE_sorcsd", info ); + } + return info; +} |