lapacke_sggsvd_work.c
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00001 /*****************************************************************************
00002   Copyright (c) 2010, Intel Corp.
00003   All rights reserved.
00004 
00005   Redistribution and use in source and binary forms, with or without
00006   modification, are permitted provided that the following conditions are met:
00007 
00008     * Redistributions of source code must retain the above copyright notice,
00009       this list of conditions and the following disclaimer.
00010     * Redistributions in binary form must reproduce the above copyright
00011       notice, this list of conditions and the following disclaimer in the
00012       documentation and/or other materials provided with the distribution.
00013     * Neither the name of Intel Corporation nor the names of its contributors
00014       may be used to endorse or promote products derived from this software
00015       without specific prior written permission.
00016 
00017   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00021   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
00027   THE POSSIBILITY OF SUCH DAMAGE.
00028 ******************************************************************************
00029 * Contents: Native middle-level C interface to LAPACK function sggsvd
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_sggsvd_work( int matrix_order, char jobu, char jobv,
00038                                 char jobq, lapack_int m, lapack_int n,
00039                                 lapack_int p, lapack_int* k, lapack_int* l,
00040                                 float* a, lapack_int lda, float* b,
00041                                 lapack_int ldb, float* alpha, float* beta,
00042                                 float* u, lapack_int ldu, float* v,
00043                                 lapack_int ldv, float* q, lapack_int ldq,
00044                                 float* work, lapack_int* iwork )
00045 {
00046     lapack_int info = 0;
00047     if( matrix_order == LAPACK_COL_MAJOR ) {
00048         /* Call LAPACK function and adjust info */
00049         LAPACK_sggsvd( &jobu, &jobv, &jobq, &m, &n, &p, k, l, a, &lda, b, &ldb,
00050                        alpha, beta, u, &ldu, v, &ldv, q, &ldq, work, iwork,
00051                        &info );
00052         if( info < 0 ) {
00053             info = info - 1;
00054         }
00055     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00056         lapack_int lda_t = MAX(1,m);
00057         lapack_int ldb_t = MAX(1,p);
00058         lapack_int ldq_t = MAX(1,n);
00059         lapack_int ldu_t = MAX(1,m);
00060         lapack_int ldv_t = MAX(1,p);
00061         float* a_t = NULL;
00062         float* b_t = NULL;
00063         float* u_t = NULL;
00064         float* v_t = NULL;
00065         float* q_t = NULL;
00066         /* Check leading dimension(s) */
00067         if( lda < n ) {
00068             info = -11;
00069             LAPACKE_xerbla( "LAPACKE_sggsvd_work", info );
00070             return info;
00071         }
00072         if( ldb < n ) {
00073             info = -13;
00074             LAPACKE_xerbla( "LAPACKE_sggsvd_work", info );
00075             return info;
00076         }
00077         if( ldq < n ) {
00078             info = -21;
00079             LAPACKE_xerbla( "LAPACKE_sggsvd_work", info );
00080             return info;
00081         }
00082         if( ldu < m ) {
00083             info = -17;
00084             LAPACKE_xerbla( "LAPACKE_sggsvd_work", info );
00085             return info;
00086         }
00087         if( ldv < p ) {
00088             info = -19;
00089             LAPACKE_xerbla( "LAPACKE_sggsvd_work", info );
00090             return info;
00091         }
00092         /* Allocate memory for temporary array(s) */
00093         a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
00094         if( a_t == NULL ) {
00095             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00096             goto exit_level_0;
00097         }
00098         b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,n) );
00099         if( b_t == NULL ) {
00100             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00101             goto exit_level_1;
00102         }
00103         if( LAPACKE_lsame( jobu, 'u' ) ) {
00104             u_t = (float*)LAPACKE_malloc( sizeof(float) * ldu_t * MAX(1,m) );
00105             if( u_t == NULL ) {
00106                 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00107                 goto exit_level_2;
00108             }
00109         }
00110         if( LAPACKE_lsame( jobv, 'v' ) ) {
00111             v_t = (float*)LAPACKE_malloc( sizeof(float) * ldv_t * MAX(1,p) );
00112             if( v_t == NULL ) {
00113                 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00114                 goto exit_level_3;
00115             }
00116         }
00117         if( LAPACKE_lsame( jobq, 'q' ) ) {
00118             q_t = (float*)LAPACKE_malloc( sizeof(float) * ldq_t * MAX(1,n) );
00119             if( q_t == NULL ) {
00120                 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00121                 goto exit_level_4;
00122             }
00123         }
00124         /* Transpose input matrices */
00125         LAPACKE_sge_trans( matrix_order, m, n, a, lda, a_t, lda_t );
00126         LAPACKE_sge_trans( matrix_order, p, n, b, ldb, b_t, ldb_t );
00127         /* Call LAPACK function and adjust info */
00128         LAPACK_sggsvd( &jobu, &jobv, &jobq, &m, &n, &p, k, l, a_t, &lda_t, b_t,
00129                        &ldb_t, alpha, beta, u_t, &ldu_t, v_t, &ldv_t, q_t,
00130                        &ldq_t, work, iwork, &info );
00131         if( info < 0 ) {
00132             info = info - 1;
00133         }
00134         /* Transpose output matrices */
00135         LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, n, a_t, lda_t, a, lda );
00136         LAPACKE_sge_trans( LAPACK_COL_MAJOR, p, n, b_t, ldb_t, b, ldb );
00137         if( LAPACKE_lsame( jobu, 'u' ) ) {
00138             LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, m, u_t, ldu_t, u, ldu );
00139         }
00140         if( LAPACKE_lsame( jobv, 'v' ) ) {
00141             LAPACKE_sge_trans( LAPACK_COL_MAJOR, p, p, v_t, ldv_t, v, ldv );
00142         }
00143         if( LAPACKE_lsame( jobq, 'q' ) ) {
00144             LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, n, q_t, ldq_t, q, ldq );
00145         }
00146         /* Release memory and exit */
00147         if( LAPACKE_lsame( jobq, 'q' ) ) {
00148             LAPACKE_free( q_t );
00149         }
00150 exit_level_4:
00151         if( LAPACKE_lsame( jobv, 'v' ) ) {
00152             LAPACKE_free( v_t );
00153         }
00154 exit_level_3:
00155         if( LAPACKE_lsame( jobu, 'u' ) ) {
00156             LAPACKE_free( u_t );
00157         }
00158 exit_level_2:
00159         LAPACKE_free( b_t );
00160 exit_level_1:
00161         LAPACKE_free( a_t );
00162 exit_level_0:
00163         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00164             LAPACKE_xerbla( "LAPACKE_sggsvd_work", info );
00165         }
00166     } else {
00167         info = -1;
00168         LAPACKE_xerbla( "LAPACKE_sggsvd_work", info );
00169     }
00170     return info;
00171 }


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autogenerated on Sat Jun 8 2019 18:55:54