lapacke_zporfs_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 zporfs
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_zporfs_work( int matrix_order, char uplo, lapack_int n,
00038                                 lapack_int nrhs, const lapack_complex_double* a,
00039                                 lapack_int lda, const lapack_complex_double* af,
00040                                 lapack_int ldaf, const lapack_complex_double* b,
00041                                 lapack_int ldb, lapack_complex_double* x,
00042                                 lapack_int ldx, double* ferr, double* berr,
00043                                 lapack_complex_double* work, double* rwork )
00044 {
00045     lapack_int info = 0;
00046     if( matrix_order == LAPACK_COL_MAJOR ) {
00047         /* Call LAPACK function and adjust info */
00048         LAPACK_zporfs( &uplo, &n, &nrhs, a, &lda, af, &ldaf, b, &ldb, x, &ldx,
00049                        ferr, berr, work, rwork, &info );
00050         if( info < 0 ) {
00051             info = info - 1;
00052         }
00053     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00054         lapack_int lda_t = MAX(1,n);
00055         lapack_int ldaf_t = MAX(1,n);
00056         lapack_int ldb_t = MAX(1,n);
00057         lapack_int ldx_t = MAX(1,n);
00058         lapack_complex_double* a_t = NULL;
00059         lapack_complex_double* af_t = NULL;
00060         lapack_complex_double* b_t = NULL;
00061         lapack_complex_double* x_t = NULL;
00062         /* Check leading dimension(s) */
00063         if( lda < n ) {
00064             info = -6;
00065             LAPACKE_xerbla( "LAPACKE_zporfs_work", info );
00066             return info;
00067         }
00068         if( ldaf < n ) {
00069             info = -8;
00070             LAPACKE_xerbla( "LAPACKE_zporfs_work", info );
00071             return info;
00072         }
00073         if( ldb < nrhs ) {
00074             info = -10;
00075             LAPACKE_xerbla( "LAPACKE_zporfs_work", info );
00076             return info;
00077         }
00078         if( ldx < nrhs ) {
00079             info = -12;
00080             LAPACKE_xerbla( "LAPACKE_zporfs_work", info );
00081             return info;
00082         }
00083         /* Allocate memory for temporary array(s) */
00084         a_t = (lapack_complex_double*)
00085             LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
00086         if( a_t == NULL ) {
00087             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00088             goto exit_level_0;
00089         }
00090         af_t = (lapack_complex_double*)
00091             LAPACKE_malloc( sizeof(lapack_complex_double) * ldaf_t * MAX(1,n) );
00092         if( af_t == NULL ) {
00093             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00094             goto exit_level_1;
00095         }
00096         b_t = (lapack_complex_double*)
00097             LAPACKE_malloc( sizeof(lapack_complex_double) *
00098                             ldb_t * MAX(1,nrhs) );
00099         if( b_t == NULL ) {
00100             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00101             goto exit_level_2;
00102         }
00103         x_t = (lapack_complex_double*)
00104             LAPACKE_malloc( sizeof(lapack_complex_double) *
00105                             ldx_t * MAX(1,nrhs) );
00106         if( x_t == NULL ) {
00107             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00108             goto exit_level_3;
00109         }
00110         /* Transpose input matrices */
00111         LAPACKE_zpo_trans( matrix_order, uplo, n, a, lda, a_t, lda_t );
00112         LAPACKE_zpo_trans( matrix_order, uplo, n, af, ldaf, af_t, ldaf_t );
00113         LAPACKE_zge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
00114         LAPACKE_zge_trans( matrix_order, n, nrhs, x, ldx, x_t, ldx_t );
00115         /* Call LAPACK function and adjust info */
00116         LAPACK_zporfs( &uplo, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t, b_t,
00117                        &ldb_t, x_t, &ldx_t, ferr, berr, work, rwork, &info );
00118         if( info < 0 ) {
00119             info = info - 1;
00120         }
00121         /* Transpose output matrices */
00122         LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
00123         /* Release memory and exit */
00124         LAPACKE_free( x_t );
00125 exit_level_3:
00126         LAPACKE_free( b_t );
00127 exit_level_2:
00128         LAPACKE_free( af_t );
00129 exit_level_1:
00130         LAPACKE_free( a_t );
00131 exit_level_0:
00132         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00133             LAPACKE_xerbla( "LAPACKE_zporfs_work", info );
00134         }
00135     } else {
00136         info = -1;
00137         LAPACKE_xerbla( "LAPACKE_zporfs_work", info );
00138     }
00139     return info;
00140 }


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