lapacke_cgeesx_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
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00023   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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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 cgeesx
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_cgeesx_work( int matrix_order, char jobvs, char sort,
00038                                 LAPACK_C_SELECT1 select, char sense,
00039                                 lapack_int n, lapack_complex_float* a,
00040                                 lapack_int lda, lapack_int* sdim,
00041                                 lapack_complex_float* w,
00042                                 lapack_complex_float* vs, lapack_int ldvs,
00043                                 float* rconde, float* rcondv,
00044                                 lapack_complex_float* work, lapack_int lwork,
00045                                 float* rwork, lapack_logical* bwork )
00046 {
00047     lapack_int info = 0;
00048     if( matrix_order == LAPACK_COL_MAJOR ) {
00049         /* Call LAPACK function and adjust info */
00050         LAPACK_cgeesx( &jobvs, &sort, select, &sense, &n, a, &lda, sdim, w, vs,
00051                        &ldvs, rconde, rcondv, work, &lwork, rwork, bwork,
00052                        &info );
00053         if( info < 0 ) {
00054             info = info - 1;
00055         }
00056     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00057         lapack_int lda_t = MAX(1,n);
00058         lapack_int ldvs_t = MAX(1,n);
00059         lapack_complex_float* a_t = NULL;
00060         lapack_complex_float* vs_t = NULL;
00061         /* Check leading dimension(s) */
00062         if( lda < n ) {
00063             info = -8;
00064             LAPACKE_xerbla( "LAPACKE_cgeesx_work", info );
00065             return info;
00066         }
00067         if( ldvs < n ) {
00068             info = -12;
00069             LAPACKE_xerbla( "LAPACKE_cgeesx_work", info );
00070             return info;
00071         }
00072         /* Query optimal working array(s) size if requested */
00073         if( lwork == -1 ) {
00074             LAPACK_cgeesx( &jobvs, &sort, select, &sense, &n, a, &lda_t, sdim,
00075                            w, vs, &ldvs_t, rconde, rcondv, work, &lwork, rwork,
00076                            bwork, &info );
00077             return (info < 0) ? (info - 1) : info;
00078         }
00079         /* Allocate memory for temporary array(s) */
00080         a_t = (lapack_complex_float*)
00081             LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
00082         if( a_t == NULL ) {
00083             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00084             goto exit_level_0;
00085         }
00086         if( LAPACKE_lsame( jobvs, 'v' ) ) {
00087             vs_t = (lapack_complex_float*)
00088                 LAPACKE_malloc( sizeof(lapack_complex_float) *
00089                                 ldvs_t * MAX(1,n) );
00090             if( vs_t == NULL ) {
00091                 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00092                 goto exit_level_1;
00093             }
00094         }
00095         /* Transpose input matrices */
00096         LAPACKE_cge_trans( matrix_order, n, n, a, lda, a_t, lda_t );
00097         /* Call LAPACK function and adjust info */
00098         LAPACK_cgeesx( &jobvs, &sort, select, &sense, &n, a_t, &lda_t, sdim, w,
00099                        vs_t, &ldvs_t, rconde, rcondv, work, &lwork, rwork,
00100                        bwork, &info );
00101         if( info < 0 ) {
00102             info = info - 1;
00103         }
00104         /* Transpose output matrices */
00105         LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda );
00106         if( LAPACKE_lsame( jobvs, 'v' ) ) {
00107             LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, vs_t, ldvs_t, vs, ldvs );
00108         }
00109         /* Release memory and exit */
00110         if( LAPACKE_lsame( jobvs, 'v' ) ) {
00111             LAPACKE_free( vs_t );
00112         }
00113 exit_level_1:
00114         LAPACKE_free( a_t );
00115 exit_level_0:
00116         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00117             LAPACKE_xerbla( "LAPACKE_cgeesx_work", info );
00118         }
00119     } else {
00120         info = -1;
00121         LAPACKE_xerbla( "LAPACKE_cgeesx_work", info );
00122     }
00123     return info;
00124 }


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autogenerated on Sat Jun 8 2019 18:55:51