lapacke_ztrsen_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
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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 ztrsen
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_ztrsen_work( int matrix_order, char job, char compq,
00038                                 const lapack_logical* select, lapack_int n,
00039                                 lapack_complex_double* t, lapack_int ldt,
00040                                 lapack_complex_double* q, lapack_int ldq,
00041                                 lapack_complex_double* w, lapack_int* m,
00042                                 double* s, double* sep,
00043                                 lapack_complex_double* work, lapack_int lwork )
00044 {
00045     lapack_int info = 0;
00046     if( matrix_order == LAPACK_COL_MAJOR ) {
00047         /* Call LAPACK function and adjust info */
00048         LAPACK_ztrsen( &job, &compq, select, &n, t, &ldt, q, &ldq, w, m, s, sep,
00049                        work, &lwork, &info );
00050         if( info < 0 ) {
00051             info = info - 1;
00052         }
00053     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00054         lapack_int ldq_t = MAX(1,n);
00055         lapack_int ldt_t = MAX(1,n);
00056         lapack_complex_double* t_t = NULL;
00057         lapack_complex_double* q_t = NULL;
00058         /* Check leading dimension(s) */
00059         if( ldq < n ) {
00060             info = -9;
00061             LAPACKE_xerbla( "LAPACKE_ztrsen_work", info );
00062             return info;
00063         }
00064         if( ldt < n ) {
00065             info = -7;
00066             LAPACKE_xerbla( "LAPACKE_ztrsen_work", info );
00067             return info;
00068         }
00069         /* Query optimal working array(s) size if requested */
00070         if( lwork == -1 ) {
00071             LAPACK_ztrsen( &job, &compq, select, &n, t, &ldt_t, q, &ldq_t, w, m,
00072                            s, sep, work, &lwork, &info );
00073             return (info < 0) ? (info - 1) : info;
00074         }
00075         /* Allocate memory for temporary array(s) */
00076         t_t = (lapack_complex_double*)
00077             LAPACKE_malloc( sizeof(lapack_complex_double) * ldt_t * MAX(1,n) );
00078         if( t_t == NULL ) {
00079             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00080             goto exit_level_0;
00081         }
00082         if( LAPACKE_lsame( compq, 'v' ) ) {
00083             q_t = (lapack_complex_double*)
00084                 LAPACKE_malloc( sizeof(lapack_complex_double) *
00085                                 ldq_t * MAX(1,n) );
00086             if( q_t == NULL ) {
00087                 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00088                 goto exit_level_1;
00089             }
00090         }
00091         /* Transpose input matrices */
00092         LAPACKE_zge_trans( matrix_order, n, n, t, ldt, t_t, ldt_t );
00093         if( LAPACKE_lsame( compq, 'v' ) ) {
00094             LAPACKE_zge_trans( matrix_order, n, n, q, ldq, q_t, ldq_t );
00095         }
00096         /* Call LAPACK function and adjust info */
00097         LAPACK_ztrsen( &job, &compq, select, &n, t_t, &ldt_t, q_t, &ldq_t, w, m,
00098                        s, sep, work, &lwork, &info );
00099         if( info < 0 ) {
00100             info = info - 1;
00101         }
00102         /* Transpose output matrices */
00103         LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, t_t, ldt_t, t, ldt );
00104         if( LAPACKE_lsame( compq, 'v' ) ) {
00105             LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, q_t, ldq_t, q, ldq );
00106         }
00107         /* Release memory and exit */
00108         if( LAPACKE_lsame( compq, 'v' ) ) {
00109             LAPACKE_free( q_t );
00110         }
00111 exit_level_1:
00112         LAPACKE_free( t_t );
00113 exit_level_0:
00114         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00115             LAPACKE_xerbla( "LAPACKE_ztrsen_work", info );
00116         }
00117     } else {
00118         info = -1;
00119         LAPACKE_xerbla( "LAPACKE_ztrsen_work", info );
00120     }
00121     return info;
00122 }


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autogenerated on Sat Jun 8 2019 18:55:56