lapacke_dstebz.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 dstebz
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_dstebz( char range, char order, lapack_int n, double vl,
00038                            double vu, lapack_int il, lapack_int iu,
00039                            double abstol, const double* d, const double* e,
00040                            lapack_int* m, lapack_int* nsplit, double* w,
00041                            lapack_int* iblock, lapack_int* isplit )
00042 {
00043     lapack_int info = 0;
00044     lapack_int* iwork = NULL;
00045     double* work = NULL;
00046 #ifndef LAPACK_DISABLE_NAN_CHECK
00047     /* Optionally check input matrices for NaNs */
00048     if( LAPACKE_d_nancheck( 1, &abstol, 1 ) ) {
00049         return -8;
00050     }
00051     if( LAPACKE_d_nancheck( n, d, 1 ) ) {
00052         return -9;
00053     }
00054     if( LAPACKE_d_nancheck( n-1, e, 1 ) ) {
00055         return -10;
00056     }
00057     if( LAPACKE_lsame( range, 'v' ) ) {
00058         if( LAPACKE_d_nancheck( 1, &vl, 1 ) ) {
00059             return -4;
00060         }
00061     }
00062     if( LAPACKE_lsame( range, 'v' ) ) {
00063         if( LAPACKE_d_nancheck( 1, &vu, 1 ) ) {
00064             return -5;
00065         }
00066     }
00067 #endif
00068     /* Allocate memory for working array(s) */
00069     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,3*n) );
00070     if( iwork == NULL ) {
00071         info = LAPACK_WORK_MEMORY_ERROR;
00072         goto exit_level_0;
00073     }
00074     work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,4*n) );
00075     if( work == NULL ) {
00076         info = LAPACK_WORK_MEMORY_ERROR;
00077         goto exit_level_1;
00078     }
00079     /* Call middle-level interface */
00080     info = LAPACKE_dstebz_work( range, order, n, vl, vu, il, iu, abstol, d, e,
00081                                 m, nsplit, w, iblock, isplit, work, iwork );
00082     /* Release memory and exit */
00083     LAPACKE_free( work );
00084 exit_level_1:
00085     LAPACKE_free( iwork );
00086 exit_level_0:
00087     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00088         LAPACKE_xerbla( "LAPACKE_dstebz", info );
00089     }
00090     return info;
00091 }


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autogenerated on Sat Jun 8 2019 18:55:53