lapacke_zhpevx.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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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 zhpevx
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_zhpevx( int matrix_order, char jobz, char range, char uplo,
00038                            lapack_int n, lapack_complex_double* ap, double vl,
00039                            double vu, lapack_int il, lapack_int iu,
00040                            double abstol, lapack_int* m, double* w,
00041                            lapack_complex_double* z, lapack_int ldz,
00042                            lapack_int* ifail )
00043 {
00044     lapack_int info = 0;
00045     lapack_int* iwork = NULL;
00046     double* rwork = NULL;
00047     lapack_complex_double* work = NULL;
00048     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00049         LAPACKE_xerbla( "LAPACKE_zhpevx", -1 );
00050         return -1;
00051     }
00052 #ifndef LAPACK_DISABLE_NAN_CHECK
00053     /* Optionally check input matrices for NaNs */
00054     if( LAPACKE_d_nancheck( 1, &abstol, 1 ) ) {
00055         return -11;
00056     }
00057     if( LAPACKE_zhp_nancheck( n, ap ) ) {
00058         return -6;
00059     }
00060     if( LAPACKE_lsame( range, 'v' ) ) {
00061         if( LAPACKE_d_nancheck( 1, &vl, 1 ) ) {
00062             return -7;
00063         }
00064     }
00065     if( LAPACKE_lsame( range, 'v' ) ) {
00066         if( LAPACKE_d_nancheck( 1, &vu, 1 ) ) {
00067             return -8;
00068         }
00069     }
00070 #endif
00071     /* Allocate memory for working array(s) */
00072     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,5*n) );
00073     if( iwork == NULL ) {
00074         info = LAPACK_WORK_MEMORY_ERROR;
00075         goto exit_level_0;
00076     }
00077     rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,7*n) );
00078     if( rwork == NULL ) {
00079         info = LAPACK_WORK_MEMORY_ERROR;
00080         goto exit_level_1;
00081     }
00082     work = (lapack_complex_double*)
00083         LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
00084     if( work == NULL ) {
00085         info = LAPACK_WORK_MEMORY_ERROR;
00086         goto exit_level_2;
00087     }
00088     /* Call middle-level interface */
00089     info = LAPACKE_zhpevx_work( matrix_order, jobz, range, uplo, n, ap, vl, vu,
00090                                 il, iu, abstol, m, w, z, ldz, work, rwork,
00091                                 iwork, ifail );
00092     /* Release memory and exit */
00093     LAPACKE_free( work );
00094 exit_level_2:
00095     LAPACKE_free( rwork );
00096 exit_level_1:
00097     LAPACKE_free( iwork );
00098 exit_level_0:
00099     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00100         LAPACKE_xerbla( "LAPACKE_zhpevx", info );
00101     }
00102     return info;
00103 }


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autogenerated on Sat Jun 8 2019 18:55:55