lapacke_dtbrfs.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
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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 dtbrfs
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_dtbrfs( int matrix_order, char uplo, char trans, char diag,
00038                            lapack_int n, lapack_int kd, lapack_int nrhs,
00039                            const double* ab, lapack_int ldab, const double* b,
00040                            lapack_int ldb, const double* x, lapack_int ldx,
00041                            double* ferr, double* berr )
00042 {
00043     lapack_int info = 0;
00044     lapack_int* iwork = NULL;
00045     double* work = NULL;
00046     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00047         LAPACKE_xerbla( "LAPACKE_dtbrfs", -1 );
00048         return -1;
00049     }
00050 #ifndef LAPACK_DISABLE_NAN_CHECK
00051     /* Optionally check input matrices for NaNs */
00052     if( LAPACKE_dtb_nancheck( matrix_order, uplo, diag, n, kd, ab, ldab ) ) {
00053         return -8;
00054     }
00055     if( LAPACKE_dge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
00056         return -10;
00057     }
00058     if( LAPACKE_dge_nancheck( matrix_order, n, nrhs, x, ldx ) ) {
00059         return -12;
00060     }
00061 #endif
00062     /* Allocate memory for working array(s) */
00063     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
00064     if( iwork == NULL ) {
00065         info = LAPACK_WORK_MEMORY_ERROR;
00066         goto exit_level_0;
00067     }
00068     work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,3*n) );
00069     if( work == NULL ) {
00070         info = LAPACK_WORK_MEMORY_ERROR;
00071         goto exit_level_1;
00072     }
00073     /* Call middle-level interface */
00074     info = LAPACKE_dtbrfs_work( matrix_order, uplo, trans, diag, n, kd, nrhs,
00075                                 ab, ldab, b, ldb, x, ldx, ferr, berr, work,
00076                                 iwork );
00077     /* Release memory and exit */
00078     LAPACKE_free( work );
00079 exit_level_1:
00080     LAPACKE_free( iwork );
00081 exit_level_0:
00082     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00083         LAPACKE_xerbla( "LAPACKE_dtbrfs", info );
00084     }
00085     return info;
00086 }


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autogenerated on Sat Jun 8 2019 18:55:53