diff options
Diffstat (limited to 'lapacke/src/lapacke_cbbcsd.c')
| -rw-r--r-- | lapacke/src/lapacke_cbbcsd.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/lapacke/src/lapacke_cbbcsd.c b/lapacke/src/lapacke_cbbcsd.c new file mode 100644 index 00000000..ee1e636c --- /dev/null +++ b/lapacke/src/lapacke_cbbcsd.c @@ -0,0 +1,115 @@ +/***************************************************************************** + 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 cbbcsd +* Author: Intel Corporation +* Generated November, 2011 +*****************************************************************************/ + +#include "lapacke.h" +#include "lapacke_utils.h" + +lapack_int LAPACKE_cbbcsd( int matrix_order, char jobu1, char jobu2, + char jobv1t, char jobv2t, char trans, lapack_int m, + lapack_int p, lapack_int q, float* theta, float* phi, + lapack_complex_float* u1, lapack_int ldu1, + lapack_complex_float* u2, lapack_int ldu2, + lapack_complex_float* v1t, lapack_int ldv1t, + lapack_complex_float* v2t, lapack_int ldv2t, + float* b11d, float* b11e, float* b12d, float* b12e, + float* b21d, float* b21e, float* b22d, float* b22e ) +{ + lapack_int info = 0; + lapack_int lrwork = -1; + float* rwork = NULL; + float rwork_query; + if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) { + LAPACKE_xerbla( "LAPACKE_cbbcsd", -1 ); + return -1; + } +#ifndef LAPACK_DISABLE_NAN_CHECK + /* Optionally check input matrices for NaNs */ + lapack_int nrows_u1 = ( LAPACKE_lsame( jobu1, 'y' ) ? p : 1); + lapack_int nrows_u2 = ( LAPACKE_lsame( jobu2, 'y' ) ? m-p : 1); + lapack_int nrows_v1t = ( LAPACKE_lsame( jobv1t, 'y' ) ? q : 1); + lapack_int nrows_v2t = ( LAPACKE_lsame( jobv2t, 'y' ) ? m-q : 1); + if( LAPACKE_s_nancheck( q-1, phi, 1 ) ) { + return -11; + } + if( LAPACKE_s_nancheck( q, theta, 1 ) ) { + return -10; + } + if( LAPACKE_lsame( jobu1, 'y' ) ) { + if( LAPACKE_cge_nancheck( matrix_order, nrows_u1, p, u1, ldu1 ) ) { + return -12; + } + } + if( LAPACKE_lsame( jobu2, 'y' ) ) { + if( LAPACKE_cge_nancheck( matrix_order, nrows_u2, m-p, u2, ldu2 ) ) { + return -14; + } + } + if( LAPACKE_lsame( jobv1t, 'y' ) ) { + if( LAPACKE_cge_nancheck( matrix_order, nrows_v1t, q, v1t, ldv1t ) ) { + return -16; + } + } + if( LAPACKE_lsame( jobv2t, 'y' ) ) { + if( LAPACKE_cge_nancheck( matrix_order, nrows_v2t, m-q, v2t, ldv2t ) ) { + return -18; + } + } +#endif + /* Query optimal working array(s) size */ + info = LAPACKE_cbbcsd_work( matrix_order, jobu1, jobu2, jobv1t, jobv2t, + trans, m, p, q, theta, phi, u1, ldu1, u2, ldu2, + v1t, ldv1t, v2t, ldv2t, b11d, b11e, b12d, b12e, + b21d, b21e, b22d, b22e, &rwork_query, lrwork ); + if( info != 0 ) { + goto exit_level_0; + } + lrwork = (lapack_int)rwork_query; + /* Allocate memory for work arrays */ + rwork = (float*)LAPACKE_malloc( sizeof(float) * lrwork ); + if( rwork == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_0; + } + /* Call middle-level interface */ + info = LAPACKE_cbbcsd_work( matrix_order, jobu1, jobu2, jobv1t, jobv2t, + trans, m, p, q, theta, phi, u1, ldu1, u2, ldu2, + v1t, ldv1t, v2t, ldv2t, b11d, b11e, b12d, b12e, + b21d, b21e, b22d, b22e, rwork, lrwork ); + /* Release memory and exit */ + LAPACKE_free( rwork ); +exit_level_0: + if( info == LAPACK_WORK_MEMORY_ERROR ) { + LAPACKE_xerbla( "LAPACKE_cbbcsd", info ); + } + return info; +} |