lapacke_sgtrfs.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 sgtrfs
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_sgtrfs( int matrix_order, char trans, lapack_int n,
00038                            lapack_int nrhs, const float* dl, const float* d,
00039                            const float* du, const float* dlf, const float* df,
00040                            const float* duf, const float* du2,
00041                            const lapack_int* ipiv, const float* b,
00042                            lapack_int ldb, float* x, lapack_int ldx,
00043                            float* ferr, float* berr )
00044 {
00045     lapack_int info = 0;
00046     lapack_int* iwork = NULL;
00047     float* work = NULL;
00048     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00049         LAPACKE_xerbla( "LAPACKE_sgtrfs", -1 );
00050         return -1;
00051     }
00052 #ifndef LAPACK_DISABLE_NAN_CHECK
00053     /* Optionally check input matrices for NaNs */
00054     if( LAPACKE_sge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
00055         return -13;
00056     }
00057     if( LAPACKE_s_nancheck( n, d, 1 ) ) {
00058         return -6;
00059     }
00060     if( LAPACKE_s_nancheck( n, df, 1 ) ) {
00061         return -9;
00062     }
00063     if( LAPACKE_s_nancheck( n-1, dl, 1 ) ) {
00064         return -5;
00065     }
00066     if( LAPACKE_s_nancheck( n-1, dlf, 1 ) ) {
00067         return -8;
00068     }
00069     if( LAPACKE_s_nancheck( n-1, du, 1 ) ) {
00070         return -7;
00071     }
00072     if( LAPACKE_s_nancheck( n-2, du2, 1 ) ) {
00073         return -11;
00074     }
00075     if( LAPACKE_s_nancheck( n-1, duf, 1 ) ) {
00076         return -10;
00077     }
00078     if( LAPACKE_sge_nancheck( matrix_order, n, nrhs, x, ldx ) ) {
00079         return -15;
00080     }
00081 #endif
00082     /* Allocate memory for working array(s) */
00083     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
00084     if( iwork == NULL ) {
00085         info = LAPACK_WORK_MEMORY_ERROR;
00086         goto exit_level_0;
00087     }
00088     work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
00089     if( work == NULL ) {
00090         info = LAPACK_WORK_MEMORY_ERROR;
00091         goto exit_level_1;
00092     }
00093     /* Call middle-level interface */
00094     info = LAPACKE_sgtrfs_work( matrix_order, trans, n, nrhs, dl, d, du, dlf,
00095                                 df, duf, du2, ipiv, b, ldb, x, ldx, ferr, berr,
00096                                 work, iwork );
00097     /* Release memory and exit */
00098     LAPACKE_free( work );
00099 exit_level_1:
00100     LAPACKE_free( iwork );
00101 exit_level_0:
00102     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00103         LAPACKE_xerbla( "LAPACKE_sgtrfs", info );
00104     }
00105     return info;
00106 }


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autogenerated on Sat Jun 8 2019 18:55:54