lapacke_dgtsvx.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
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00028 ******************************************************************************
00029 * Contents: Native high-level C interface to LAPACK function dgtsvx
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_dgtsvx( int matrix_order, char fact, char trans,
00038                            lapack_int n, lapack_int nrhs, const double* dl,
00039                            const double* d, const double* du, double* dlf,
00040                            double* df, double* duf, double* du2,
00041                            lapack_int* ipiv, const double* b, lapack_int ldb,
00042                            double* x, lapack_int ldx, double* rcond,
00043                            double* ferr, double* berr )
00044 {
00045     lapack_int info = 0;
00046     lapack_int* iwork = NULL;
00047     double* work = NULL;
00048     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00049         LAPACKE_xerbla( "LAPACKE_dgtsvx", -1 );
00050         return -1;
00051     }
00052 #ifndef LAPACK_DISABLE_NAN_CHECK
00053     /* Optionally check input matrices for NaNs */
00054     if( LAPACKE_dge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
00055         return -14;
00056     }
00057     if( LAPACKE_d_nancheck( n, d, 1 ) ) {
00058         return -7;
00059     }
00060     if( LAPACKE_lsame( fact, 'f' ) ) {
00061         if( LAPACKE_d_nancheck( n, df, 1 ) ) {
00062             return -10;
00063         }
00064     }
00065     if( LAPACKE_d_nancheck( n-1, dl, 1 ) ) {
00066         return -6;
00067     }
00068     if( LAPACKE_lsame( fact, 'f' ) ) {
00069         if( LAPACKE_d_nancheck( n-1, dlf, 1 ) ) {
00070             return -9;
00071         }
00072     }
00073     if( LAPACKE_d_nancheck( n-1, du, 1 ) ) {
00074         return -8;
00075     }
00076     if( LAPACKE_lsame( fact, 'f' ) ) {
00077         if( LAPACKE_d_nancheck( n-2, du2, 1 ) ) {
00078             return -12;
00079         }
00080     }
00081     if( LAPACKE_lsame( fact, 'f' ) ) {
00082         if( LAPACKE_d_nancheck( n-1, duf, 1 ) ) {
00083             return -11;
00084         }
00085     }
00086 #endif
00087     /* Allocate memory for working array(s) */
00088     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
00089     if( iwork == NULL ) {
00090         info = LAPACK_WORK_MEMORY_ERROR;
00091         goto exit_level_0;
00092     }
00093     work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,3*n) );
00094     if( work == NULL ) {
00095         info = LAPACK_WORK_MEMORY_ERROR;
00096         goto exit_level_1;
00097     }
00098     /* Call middle-level interface */
00099     info = LAPACKE_dgtsvx_work( matrix_order, fact, trans, n, nrhs, dl, d, du,
00100                                 dlf, df, duf, du2, ipiv, b, ldb, x, ldx, rcond,
00101                                 ferr, berr, work, iwork );
00102     /* Release memory and exit */
00103     LAPACKE_free( work );
00104 exit_level_1:
00105     LAPACKE_free( iwork );
00106 exit_level_0:
00107     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00108         LAPACKE_xerbla( "LAPACKE_dgtsvx", info );
00109     }
00110     return info;
00111 }


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autogenerated on Sat Jun 8 2019 18:55:52