lapacke_cggesx.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 high-level C interface to LAPACK function cggesx
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_cggesx( int matrix_order, char jobvsl, char jobvsr,
00038                            char sort, LAPACK_C_SELECT2 selctg, char sense,
00039                            lapack_int n, lapack_complex_float* a,
00040                            lapack_int lda, lapack_complex_float* b,
00041                            lapack_int ldb, lapack_int* sdim,
00042                            lapack_complex_float* alpha,
00043                            lapack_complex_float* beta,
00044                            lapack_complex_float* vsl, lapack_int ldvsl,
00045                            lapack_complex_float* vsr, lapack_int ldvsr,
00046                            float* rconde, float* rcondv )
00047 {
00048     lapack_int info = 0;
00049     lapack_int liwork = -1;
00050     lapack_int lwork = -1;
00051     lapack_logical* bwork = NULL;
00052     lapack_int* iwork = NULL;
00053     float* rwork = NULL;
00054     lapack_complex_float* work = NULL;
00055     lapack_int iwork_query;
00056     lapack_complex_float work_query;
00057     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00058         LAPACKE_xerbla( "LAPACKE_cggesx", -1 );
00059         return -1;
00060     }
00061 #ifndef LAPACK_DISABLE_NAN_CHECK
00062     /* Optionally check input matrices for NaNs */
00063     if( LAPACKE_cge_nancheck( matrix_order, n, n, a, lda ) ) {
00064         return -8;
00065     }
00066     if( LAPACKE_cge_nancheck( matrix_order, n, n, b, ldb ) ) {
00067         return -10;
00068     }
00069 #endif
00070     /* Allocate memory for working array(s) */
00071     if( LAPACKE_lsame( sort, 's' ) ) {
00072         bwork = (lapack_logical*)
00073             LAPACKE_malloc( sizeof(lapack_logical) * MAX(1,n) );
00074         if( bwork == NULL ) {
00075             info = LAPACK_WORK_MEMORY_ERROR;
00076             goto exit_level_0;
00077         }
00078     }
00079     rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,8*n) );
00080     if( rwork == NULL ) {
00081         info = LAPACK_WORK_MEMORY_ERROR;
00082         goto exit_level_1;
00083     }
00084     /* Query optimal working array(s) size */
00085     info = LAPACKE_cggesx_work( matrix_order, jobvsl, jobvsr, sort, selctg,
00086                                 sense, n, a, lda, b, ldb, sdim, alpha, beta,
00087                                 vsl, ldvsl, vsr, ldvsr, rconde, rcondv,
00088                                 &work_query, lwork, rwork, &iwork_query, liwork,
00089                                 bwork );
00090     if( info != 0 ) {
00091         goto exit_level_2;
00092     }
00093     liwork = (lapack_int)iwork_query;
00094     lwork = LAPACK_C2INT( work_query );
00095     /* Allocate memory for work arrays */
00096     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * liwork );
00097     if( iwork == NULL ) {
00098         info = LAPACK_WORK_MEMORY_ERROR;
00099         goto exit_level_2;
00100     }
00101     work = (lapack_complex_float*)
00102         LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
00103     if( work == NULL ) {
00104         info = LAPACK_WORK_MEMORY_ERROR;
00105         goto exit_level_3;
00106     }
00107     /* Call middle-level interface */
00108     info = LAPACKE_cggesx_work( matrix_order, jobvsl, jobvsr, sort, selctg,
00109                                 sense, n, a, lda, b, ldb, sdim, alpha, beta,
00110                                 vsl, ldvsl, vsr, ldvsr, rconde, rcondv, work,
00111                                 lwork, rwork, iwork, liwork, bwork );
00112     /* Release memory and exit */
00113     LAPACKE_free( work );
00114 exit_level_3:
00115     LAPACKE_free( iwork );
00116 exit_level_2:
00117     LAPACKE_free( rwork );
00118 exit_level_1:
00119     if( LAPACKE_lsame( sort, 's' ) ) {
00120         LAPACKE_free( bwork );
00121     }
00122 exit_level_0:
00123     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00124         LAPACKE_xerbla( "LAPACKE_cggesx", info );
00125     }
00126     return info;
00127 }


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autogenerated on Sat Jun 8 2019 18:55:51