171 lines
7.4 KiB
C
171 lines
7.4 KiB
C
/*****************************************************************************
|
|
Copyright (c) 2011, Intel Corp.
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
* Neither the name of Intel Corporation nor the names of its contributors
|
|
may be used to endorse or promote products derived from this software
|
|
without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
|
THE POSSIBILITY OF SUCH DAMAGE.
|
|
*****************************************************************************
|
|
* Contents: Native middle-level C interface to LAPACK function cherfsx
|
|
* Author: Intel Corporation
|
|
* Generated November, 2011
|
|
*****************************************************************************/
|
|
|
|
#include "lapacke_utils.h"
|
|
|
|
lapack_int LAPACKE_cherfsx_work( int matrix_order, char uplo, char equed,
|
|
lapack_int n, lapack_int nrhs,
|
|
const lapack_complex_float* a, lapack_int lda,
|
|
const lapack_complex_float* af,
|
|
lapack_int ldaf, const lapack_int* ipiv,
|
|
const float* s, const lapack_complex_float* b,
|
|
lapack_int ldb, lapack_complex_float* x,
|
|
lapack_int ldx, float* rcond, float* berr,
|
|
lapack_int n_err_bnds, float* err_bnds_norm,
|
|
float* err_bnds_comp, lapack_int nparams,
|
|
float* params, lapack_complex_float* work,
|
|
float* rwork )
|
|
{
|
|
lapack_int info = 0;
|
|
if( matrix_order == LAPACK_COL_MAJOR ) {
|
|
/* Call LAPACK function and adjust info */
|
|
LAPACK_cherfsx( &uplo, &equed, &n, &nrhs, a, &lda, af, &ldaf, ipiv, s,
|
|
b, &ldb, x, &ldx, rcond, berr, &n_err_bnds,
|
|
err_bnds_norm, err_bnds_comp, &nparams, params, work,
|
|
rwork, &info );
|
|
if( info < 0 ) {
|
|
info = info - 1;
|
|
}
|
|
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
|
|
lapack_int lda_t = MAX(1,n);
|
|
lapack_int ldaf_t = MAX(1,n);
|
|
lapack_int ldb_t = MAX(1,n);
|
|
lapack_int ldx_t = MAX(1,n);
|
|
lapack_complex_float* a_t = NULL;
|
|
lapack_complex_float* af_t = NULL;
|
|
lapack_complex_float* b_t = NULL;
|
|
lapack_complex_float* x_t = NULL;
|
|
float* err_bnds_norm_t = NULL;
|
|
float* err_bnds_comp_t = NULL;
|
|
/* Check leading dimension(s) */
|
|
if( lda < n ) {
|
|
info = -7;
|
|
LAPACKE_xerbla( "LAPACKE_cherfsx_work", info );
|
|
return info;
|
|
}
|
|
if( ldaf < n ) {
|
|
info = -9;
|
|
LAPACKE_xerbla( "LAPACKE_cherfsx_work", info );
|
|
return info;
|
|
}
|
|
if( ldb < nrhs ) {
|
|
info = -13;
|
|
LAPACKE_xerbla( "LAPACKE_cherfsx_work", info );
|
|
return info;
|
|
}
|
|
if( ldx < nrhs ) {
|
|
info = -15;
|
|
LAPACKE_xerbla( "LAPACKE_cherfsx_work", info );
|
|
return info;
|
|
}
|
|
/* Allocate memory for temporary array(s) */
|
|
a_t = (lapack_complex_float*)
|
|
LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
|
|
if( a_t == NULL ) {
|
|
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
|
|
goto exit_level_0;
|
|
}
|
|
af_t = (lapack_complex_float*)
|
|
LAPACKE_malloc( sizeof(lapack_complex_float) * ldaf_t * MAX(1,n) );
|
|
if( af_t == NULL ) {
|
|
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
|
|
goto exit_level_1;
|
|
}
|
|
b_t = (lapack_complex_float*)
|
|
LAPACKE_malloc( sizeof(lapack_complex_float) *
|
|
ldb_t * MAX(1,nrhs) );
|
|
if( b_t == NULL ) {
|
|
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
|
|
goto exit_level_2;
|
|
}
|
|
x_t = (lapack_complex_float*)
|
|
LAPACKE_malloc( sizeof(lapack_complex_float) *
|
|
ldx_t * MAX(1,nrhs) );
|
|
if( x_t == NULL ) {
|
|
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
|
|
goto exit_level_3;
|
|
}
|
|
err_bnds_norm_t = (float*)
|
|
LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
|
|
if( err_bnds_norm_t == NULL ) {
|
|
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
|
|
goto exit_level_4;
|
|
}
|
|
err_bnds_comp_t = (float*)
|
|
LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) );
|
|
if( err_bnds_comp_t == NULL ) {
|
|
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
|
|
goto exit_level_5;
|
|
}
|
|
/* Transpose input matrices */
|
|
LAPACKE_che_trans( matrix_order, uplo, n, a, lda, a_t, lda_t );
|
|
LAPACKE_che_trans( matrix_order, uplo, n, af, ldaf, af_t, ldaf_t );
|
|
LAPACKE_cge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t );
|
|
LAPACKE_cge_trans( matrix_order, n, nrhs, x, ldx, x_t, ldx_t );
|
|
/* Call LAPACK function and adjust info */
|
|
LAPACK_cherfsx( &uplo, &equed, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t,
|
|
ipiv, s, b_t, &ldb_t, x_t, &ldx_t, rcond, berr,
|
|
&n_err_bnds, err_bnds_norm_t, err_bnds_comp_t, &nparams,
|
|
params, work, rwork, &info );
|
|
if( info < 0 ) {
|
|
info = info - 1;
|
|
}
|
|
/* Transpose output matrices */
|
|
LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx );
|
|
LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t,
|
|
nrhs, err_bnds_norm, nrhs );
|
|
LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t,
|
|
nrhs, err_bnds_comp, nrhs );
|
|
/* Release memory and exit */
|
|
LAPACKE_free( err_bnds_comp_t );
|
|
exit_level_5:
|
|
LAPACKE_free( err_bnds_norm_t );
|
|
exit_level_4:
|
|
LAPACKE_free( x_t );
|
|
exit_level_3:
|
|
LAPACKE_free( b_t );
|
|
exit_level_2:
|
|
LAPACKE_free( af_t );
|
|
exit_level_1:
|
|
LAPACKE_free( a_t );
|
|
exit_level_0:
|
|
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
|
|
LAPACKE_xerbla( "LAPACKE_cherfsx_work", info );
|
|
}
|
|
} else {
|
|
info = -1;
|
|
LAPACKE_xerbla( "LAPACKE_cherfsx_work", info );
|
|
}
|
|
return info;
|
|
}
|