lapacke_cgges_work.c
Go to the documentation of this file.
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 cgges
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_cgges_work( int matrix_order, char jobvsl, char jobvsr,
00038                                char sort, LAPACK_C_SELECT2 selctg, lapack_int n,
00039                                lapack_complex_float* a, lapack_int lda,
00040                                lapack_complex_float* b, lapack_int ldb,
00041                                lapack_int* sdim, lapack_complex_float* alpha,
00042                                lapack_complex_float* beta,
00043                                lapack_complex_float* vsl, lapack_int ldvsl,
00044                                lapack_complex_float* vsr, lapack_int ldvsr,
00045                                lapack_complex_float* work, lapack_int lwork,
00046                                float* rwork, lapack_logical* bwork )
00047 {
00048     lapack_int info = 0;
00049     if( matrix_order == LAPACK_COL_MAJOR ) {
00050         /* Call LAPACK function and adjust info */
00051         LAPACK_cgges( &jobvsl, &jobvsr, &sort, selctg, &n, a, &lda, b, &ldb,
00052                       sdim, alpha, beta, vsl, &ldvsl, vsr, &ldvsr, work, &lwork,
00053                       rwork, bwork, &info );
00054         if( info < 0 ) {
00055             info = info - 1;
00056         }
00057     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00058         lapack_int lda_t = MAX(1,n);
00059         lapack_int ldb_t = MAX(1,n);
00060         lapack_int ldvsl_t = MAX(1,n);
00061         lapack_int ldvsr_t = MAX(1,n);
00062         lapack_complex_float* a_t = NULL;
00063         lapack_complex_float* b_t = NULL;
00064         lapack_complex_float* vsl_t = NULL;
00065         lapack_complex_float* vsr_t = NULL;
00066         /* Check leading dimension(s) */
00067         if( lda < n ) {
00068             info = -8;
00069             LAPACKE_xerbla( "LAPACKE_cgges_work", info );
00070             return info;
00071         }
00072         if( ldb < n ) {
00073             info = -10;
00074             LAPACKE_xerbla( "LAPACKE_cgges_work", info );
00075             return info;
00076         }
00077         if( ldvsl < n ) {
00078             info = -15;
00079             LAPACKE_xerbla( "LAPACKE_cgges_work", info );
00080             return info;
00081         }
00082         if( ldvsr < n ) {
00083             info = -17;
00084             LAPACKE_xerbla( "LAPACKE_cgges_work", info );
00085             return info;
00086         }
00087         /* Query optimal working array(s) size if requested */
00088         if( lwork == -1 ) {
00089             LAPACK_cgges( &jobvsl, &jobvsr, &sort, selctg, &n, a, &lda_t, b,
00090                           &ldb_t, sdim, alpha, beta, vsl, &ldvsl_t, vsr,
00091                           &ldvsr_t, work, &lwork, rwork, bwork, &info );
00092             return (info < 0) ? (info - 1) : info;
00093         }
00094         /* Allocate memory for temporary array(s) */
00095         a_t = (lapack_complex_float*)
00096             LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
00097         if( a_t == NULL ) {
00098             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00099             goto exit_level_0;
00100         }
00101         b_t = (lapack_complex_float*)
00102             LAPACKE_malloc( sizeof(lapack_complex_float) * ldb_t * MAX(1,n) );
00103         if( b_t == NULL ) {
00104             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00105             goto exit_level_1;
00106         }
00107         if( LAPACKE_lsame( jobvsl, 'v' ) ) {
00108             vsl_t = (lapack_complex_float*)
00109                 LAPACKE_malloc( sizeof(lapack_complex_float) *
00110                                 ldvsl_t * MAX(1,n) );
00111             if( vsl_t == NULL ) {
00112                 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00113                 goto exit_level_2;
00114             }
00115         }
00116         if( LAPACKE_lsame( jobvsr, 'v' ) ) {
00117             vsr_t = (lapack_complex_float*)
00118                 LAPACKE_malloc( sizeof(lapack_complex_float) *
00119                                 ldvsr_t * MAX(1,n) );
00120             if( vsr_t == NULL ) {
00121                 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00122                 goto exit_level_3;
00123             }
00124         }
00125         /* Transpose input matrices */
00126         LAPACKE_cge_trans( matrix_order, n, n, a, lda, a_t, lda_t );
00127         LAPACKE_cge_trans( matrix_order, n, n, b, ldb, b_t, ldb_t );
00128         /* Call LAPACK function and adjust info */
00129         LAPACK_cgges( &jobvsl, &jobvsr, &sort, selctg, &n, a_t, &lda_t, b_t,
00130                       &ldb_t, sdim, alpha, beta, vsl_t, &ldvsl_t, vsr_t,
00131                       &ldvsr_t, work, &lwork, rwork, bwork, &info );
00132         if( info < 0 ) {
00133             info = info - 1;
00134         }
00135         /* Transpose output matrices */
00136         LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda );
00137         LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, b_t, ldb_t, b, ldb );
00138         if( LAPACKE_lsame( jobvsl, 'v' ) ) {
00139             LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, vsl_t, ldvsl_t, vsl,
00140                                ldvsl );
00141         }
00142         if( LAPACKE_lsame( jobvsr, 'v' ) ) {
00143             LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, vsr_t, ldvsr_t, vsr,
00144                                ldvsr );
00145         }
00146         /* Release memory and exit */
00147         if( LAPACKE_lsame( jobvsr, 'v' ) ) {
00148             LAPACKE_free( vsr_t );
00149         }
00150 exit_level_3:
00151         if( LAPACKE_lsame( jobvsl, 'v' ) ) {
00152             LAPACKE_free( vsl_t );
00153         }
00154 exit_level_2:
00155         LAPACKE_free( b_t );
00156 exit_level_1:
00157         LAPACKE_free( a_t );
00158 exit_level_0:
00159         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00160             LAPACKE_xerbla( "LAPACKE_cgges_work", info );
00161         }
00162     } else {
00163         info = -1;
00164         LAPACKE_xerbla( "LAPACKE_cgges_work", info );
00165     }
00166     return info;
00167 }


swiftnav
Author(s):
autogenerated on Sat Jun 8 2019 18:55:51