lapacke_dtprfs.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
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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 high-level C interface to LAPACK function dtprfs
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_dtprfs( int matrix_order, char uplo, char trans, char diag,
00038                            lapack_int n, lapack_int nrhs, const double* ap,
00039                            const double* b, lapack_int ldb, const double* x,
00040                            lapack_int ldx, double* ferr, double* berr )
00041 {
00042     lapack_int info = 0;
00043     lapack_int* iwork = NULL;
00044     double* work = NULL;
00045     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00046         LAPACKE_xerbla( "LAPACKE_dtprfs", -1 );
00047         return -1;
00048     }
00049 #ifndef LAPACK_DISABLE_NAN_CHECK
00050     /* Optionally check input matrices for NaNs */
00051     if( LAPACKE_dtp_nancheck( matrix_order, uplo, diag, n, ap ) ) {
00052         return -7;
00053     }
00054     if( LAPACKE_dge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
00055         return -8;
00056     }
00057     if( LAPACKE_dge_nancheck( matrix_order, n, nrhs, x, ldx ) ) {
00058         return -10;
00059     }
00060 #endif
00061     /* Allocate memory for working array(s) */
00062     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
00063     if( iwork == NULL ) {
00064         info = LAPACK_WORK_MEMORY_ERROR;
00065         goto exit_level_0;
00066     }
00067     work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,3*n) );
00068     if( work == NULL ) {
00069         info = LAPACK_WORK_MEMORY_ERROR;
00070         goto exit_level_1;
00071     }
00072     /* Call middle-level interface */
00073     info = LAPACKE_dtprfs_work( matrix_order, uplo, trans, diag, n, nrhs, ap, b,
00074                                 ldb, x, ldx, ferr, berr, work, iwork );
00075     /* Release memory and exit */
00076     LAPACKE_free( work );
00077 exit_level_1:
00078     LAPACKE_free( iwork );
00079 exit_level_0:
00080     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00081         LAPACKE_xerbla( "LAPACKE_dtprfs", info );
00082     }
00083     return info;
00084 }


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autogenerated on Sat Jun 8 2019 18:55:53