lapacke_cgtsv_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
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 cgtsv
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_cgtsv_work( int matrix_order, lapack_int n, lapack_int nrhs,
00038                                lapack_complex_float* dl,
00039                                lapack_complex_float* d,
00040                                lapack_complex_float* du,
00041                                lapack_complex_float* b, lapack_int ldb )
00042 {
00043     lapack_int info = 0;
00044     if( matrix_order == LAPACK_COL_MAJOR ) {
00045         /* Call LAPACK function and adjust info */
00046         LAPACK_cgtsv( &n, &nrhs, dl, d, du, b, &ldb, &info );
00047         if( info < 0 ) {
00048             info = info - 1;
00049         }
00050     } else if( matrix_order == LAPACK_ROW_MAJOR ) {
00051         lapack_int ldb_t = MAX(1,n);
00052         lapack_complex_float* b_t = NULL;
00053         /* Check leading dimension(s) */
00054         if( ldb < nrhs ) {
00055             info = -8;
00056             LAPACKE_xerbla( "LAPACKE_cgtsv_work", info );
00057             return info;
00058         }
00059         /* Allocate memory for temporary array(s) */
00060         b_t = (lapack_complex_float*)
00061             LAPACKE_malloc( sizeof(lapack_complex_float) *
00062                             ldb_t * MAX(1,nrhs) );
00063         if( b_t == NULL ) {
00064             info = LAPACK_TRANSPOSE_MEMORY_ERROR;
00065             goto exit_level_0;
00066         }
00067         /* Transpose input matrices */
00068         LAPACKE_cge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
00069         /* Call LAPACK function and adjust info */
00070         LAPACK_cgtsv( &n, &nrhs, dl, d, du, b_t, &ldb_t, &info );
00071         if( info < 0 ) {
00072             info = info - 1;
00073         }
00074         /* Transpose output matrices */
00075         LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
00076         /* Release memory and exit */
00077         LAPACKE_free( b_t );
00078 exit_level_0:
00079         if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
00080             LAPACKE_xerbla( "LAPACKE_cgtsv_work", info );
00081         }
00082     } else {
00083         info = -1;
00084         LAPACKE_xerbla( "LAPACKE_cgtsv_work", info );
00085     }
00086     return info;
00087 }


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autogenerated on Sat Jun 8 2019 18:55:51