lapacke_ssbgvx.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 ssbgvx
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_ssbgvx( int matrix_order, char jobz, char range, char uplo,
00038                            lapack_int n, lapack_int ka, lapack_int kb,
00039                            float* ab, lapack_int ldab, float* bb,
00040                            lapack_int ldbb, float* q, lapack_int ldq, float vl,
00041                            float vu, lapack_int il, lapack_int iu, float abstol,
00042                            lapack_int* m, float* w, float* z, lapack_int ldz,
00043                            lapack_int* ifail )
00044 {
00045     lapack_int info = 0;
00046     lapack_int* iwork = NULL;
00047     float* work = NULL;
00048     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00049         LAPACKE_xerbla( "LAPACKE_ssbgvx", -1 );
00050         return -1;
00051     }
00052 #ifndef LAPACK_DISABLE_NAN_CHECK
00053     /* Optionally check input matrices for NaNs */
00054     if( LAPACKE_ssb_nancheck( matrix_order, uplo, n, ka, ab, ldab ) ) {
00055         return -8;
00056     }
00057     if( LAPACKE_s_nancheck( 1, &abstol, 1 ) ) {
00058         return -18;
00059     }
00060     if( LAPACKE_ssb_nancheck( matrix_order, uplo, n, kb, bb, ldbb ) ) {
00061         return -10;
00062     }
00063     if( LAPACKE_lsame( range, 'v' ) ) {
00064         if( LAPACKE_s_nancheck( 1, &vl, 1 ) ) {
00065             return -14;
00066         }
00067     }
00068     if( LAPACKE_lsame( range, 'v' ) ) {
00069         if( LAPACKE_s_nancheck( 1, &vu, 1 ) ) {
00070             return -15;
00071         }
00072     }
00073 #endif
00074     /* Allocate memory for working array(s) */
00075     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,5*n) );
00076     if( iwork == NULL ) {
00077         info = LAPACK_WORK_MEMORY_ERROR;
00078         goto exit_level_0;
00079     }
00080     work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,7*n) );
00081     if( work == NULL ) {
00082         info = LAPACK_WORK_MEMORY_ERROR;
00083         goto exit_level_1;
00084     }
00085     /* Call middle-level interface */
00086     info = LAPACKE_ssbgvx_work( matrix_order, jobz, range, uplo, n, ka, kb, ab,
00087                                 ldab, bb, ldbb, q, ldq, vl, vu, il, iu, abstol,
00088                                 m, w, z, ldz, work, iwork, ifail );
00089     /* Release memory and exit */
00090     LAPACKE_free( work );
00091 exit_level_1:
00092     LAPACKE_free( iwork );
00093 exit_level_0:
00094     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00095         LAPACKE_xerbla( "LAPACKE_ssbgvx", info );
00096     }
00097     return info;
00098 }


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autogenerated on Sat Jun 8 2019 18:55:54