lapacke_chesvx.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 chesvx
00030 * Author: Intel Corporation
00031 * Generated October, 2010
00032 *****************************************************************************/
00033 
00034 #include "lapacke.h"
00035 #include "lapacke_utils.h"
00036 
00037 lapack_int LAPACKE_chesvx( int matrix_order, char fact, char uplo, lapack_int n,
00038                            lapack_int nrhs, const lapack_complex_float* a,
00039                            lapack_int lda, lapack_complex_float* af,
00040                            lapack_int ldaf, lapack_int* ipiv,
00041                            const lapack_complex_float* b, lapack_int ldb,
00042                            lapack_complex_float* x, lapack_int ldx,
00043                            float* rcond, float* ferr, float* berr )
00044 {
00045     lapack_int info = 0;
00046     lapack_int lwork = -1;
00047     float* rwork = NULL;
00048     lapack_complex_float* work = NULL;
00049     lapack_complex_float work_query;
00050     if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
00051         LAPACKE_xerbla( "LAPACKE_chesvx", -1 );
00052         return -1;
00053     }
00054 #ifndef LAPACK_DISABLE_NAN_CHECK
00055     /* Optionally check input matrices for NaNs */
00056     if( LAPACKE_che_nancheck( matrix_order, uplo, n, a, lda ) ) {
00057         return -6;
00058     }
00059     if( LAPACKE_lsame( fact, 'f' ) ) {
00060         if( LAPACKE_che_nancheck( matrix_order, uplo, n, af, ldaf ) ) {
00061             return -8;
00062         }
00063     }
00064     if( LAPACKE_cge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
00065         return -11;
00066     }
00067 #endif
00068     /* Allocate memory for working array(s) */
00069     rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
00070     if( rwork == NULL ) {
00071         info = LAPACK_WORK_MEMORY_ERROR;
00072         goto exit_level_0;
00073     }
00074     /* Query optimal working array(s) size */
00075     info = LAPACKE_chesvx_work( matrix_order, fact, uplo, n, nrhs, a, lda, af,
00076                                 ldaf, ipiv, b, ldb, x, ldx, rcond, ferr, berr,
00077                                 &work_query, lwork, rwork );
00078     if( info != 0 ) {
00079         goto exit_level_1;
00080     }
00081     lwork = LAPACK_C2INT( work_query );
00082     /* Allocate memory for work arrays */
00083     work = (lapack_complex_float*)
00084         LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
00085     if( work == NULL ) {
00086         info = LAPACK_WORK_MEMORY_ERROR;
00087         goto exit_level_1;
00088     }
00089     /* Call middle-level interface */
00090     info = LAPACKE_chesvx_work( matrix_order, fact, uplo, n, nrhs, a, lda, af,
00091                                 ldaf, ipiv, b, ldb, x, ldx, rcond, ferr, berr,
00092                                 work, lwork, rwork );
00093     /* Release memory and exit */
00094     LAPACKE_free( work );
00095 exit_level_1:
00096     LAPACKE_free( rwork );
00097 exit_level_0:
00098     if( info == LAPACK_WORK_MEMORY_ERROR ) {
00099         LAPACKE_xerbla( "LAPACKE_chesvx", info );
00100     }
00101     return info;
00102 }


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autogenerated on Sat Jun 8 2019 18:55:51