lapacke_dspevx.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 dspevx
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_dspevx( int matrix_order, char jobz, char range, char uplo,
00038                            lapack_int n, double* ap, double vl, double vu,
00039                            lapack_int il, lapack_int iu, double abstol,
00040                            lapack_int* m, double* w, double* z, lapack_int ldz,
00041                            lapack_int* ifail )
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_dspevx", -1 );
00048         return -1;
00049     }
00050 #ifndef LAPACK_DISABLE_NAN_CHECK
00051     /* Optionally check input matrices for NaNs */
00052     if( LAPACKE_d_nancheck( 1, &abstol, 1 ) ) {
00053         return -11;
00054     }
00055     if( LAPACKE_dsp_nancheck( n, ap ) ) {
00056         return -6;
00057     }
00058     if( LAPACKE_lsame( range, 'v' ) ) {
00059         if( LAPACKE_d_nancheck( 1, &vl, 1 ) ) {
00060             return -7;
00061         }
00062     }
00063     if( LAPACKE_lsame( range, 'v' ) ) {
00064         if( LAPACKE_d_nancheck( 1, &vu, 1 ) ) {
00065             return -8;
00066         }
00067     }
00068 #endif
00069     /* Allocate memory for working array(s) */
00070     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,5*n) );
00071     if( iwork == NULL ) {
00072         info = LAPACK_WORK_MEMORY_ERROR;
00073         goto exit_level_0;
00074     }
00075     work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,8*n) );
00076     if( work == NULL ) {
00077         info = LAPACK_WORK_MEMORY_ERROR;
00078         goto exit_level_1;
00079     }
00080     /* Call middle-level interface */
00081     info = LAPACKE_dspevx_work( matrix_order, jobz, range, uplo, n, ap, vl, vu,
00082                                 il, iu, abstol, m, w, z, ldz, work, iwork,
00083                                 ifail );
00084     /* Release memory and exit */
00085     LAPACKE_free( work );
00086 exit_level_1:
00087     LAPACKE_free( iwork );
00088 exit_level_0:
00089     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00090         LAPACKE_xerbla( "LAPACKE_dspevx", info );
00091     }
00092     return info;
00093 }


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autogenerated on Sat Jun 8 2019 18:55:53