lapacke_ssygvx.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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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 ssygvx
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_ssygvx( int matrix_order, lapack_int itype, char jobz,
00038                            char range, char uplo, lapack_int n, float* a,
00039                            lapack_int lda, float* b, lapack_int ldb, float vl,
00040                            float vu, lapack_int il, lapack_int iu, float abstol,
00041                            lapack_int* m, float* w, float* z, lapack_int ldz,
00042                            lapack_int* ifail )
00043 {
00044     lapack_int info = 0;
00045     lapack_int lwork = -1;
00046     lapack_int* iwork = NULL;
00047     float* work = NULL;
00048     float work_query;
00049     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00050         LAPACKE_xerbla( "LAPACKE_ssygvx", -1 );
00051         return -1;
00052     }
00053 #ifndef LAPACK_DISABLE_NAN_CHECK
00054     /* Optionally check input matrices for NaNs */
00055     if( LAPACKE_ssy_nancheck( matrix_order, uplo, n, a, lda ) ) {
00056         return -7;
00057     }
00058     if( LAPACKE_s_nancheck( 1, &abstol, 1 ) ) {
00059         return -15;
00060     }
00061     if( LAPACKE_sge_nancheck( matrix_order, n, n, b, ldb ) ) {
00062         return -9;
00063     }
00064     if( LAPACKE_lsame( range, 'v' ) ) {
00065         if( LAPACKE_s_nancheck( 1, &vl, 1 ) ) {
00066             return -11;
00067         }
00068     }
00069     if( LAPACKE_lsame( range, 'v' ) ) {
00070         if( LAPACKE_s_nancheck( 1, &vu, 1 ) ) {
00071             return -12;
00072         }
00073     }
00074 #endif
00075     /* Allocate memory for working array(s) */
00076     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,5*n) );
00077     if( iwork == NULL ) {
00078         info = LAPACK_WORK_MEMORY_ERROR;
00079         goto exit_level_0;
00080     }
00081     /* Query optimal working array(s) size */
00082     info = LAPACKE_ssygvx_work( matrix_order, itype, jobz, range, uplo, n, a,
00083                                 lda, b, ldb, vl, vu, il, iu, abstol, m, w, z,
00084                                 ldz, &work_query, lwork, iwork, ifail );
00085     if( info != 0 ) {
00086         goto exit_level_1;
00087     }
00088     lwork = (lapack_int)work_query;
00089     /* Allocate memory for work arrays */
00090     work = (float*)LAPACKE_malloc( sizeof(float) * lwork );
00091     if( work == NULL ) {
00092         info = LAPACK_WORK_MEMORY_ERROR;
00093         goto exit_level_1;
00094     }
00095     /* Call middle-level interface */
00096     info = LAPACKE_ssygvx_work( matrix_order, itype, jobz, range, uplo, n, a,
00097                                 lda, b, ldb, vl, vu, il, iu, abstol, m, w, z,
00098                                 ldz, work, lwork, iwork, ifail );
00099     /* Release memory and exit */
00100     LAPACKE_free( work );
00101 exit_level_1:
00102     LAPACKE_free( iwork );
00103 exit_level_0:
00104     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00105         LAPACKE_xerbla( "LAPACKE_ssygvx", info );
00106     }
00107     return info;
00108 }


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autogenerated on Sat Jun 8 2019 18:55:54