diff options
Diffstat (limited to 'lapacke/src/lapacke_sgerfsx_work.c')
| -rw-r--r-- | lapacke/src/lapacke_sgerfsx_work.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/lapacke/src/lapacke_sgerfsx_work.c b/lapacke/src/lapacke_sgerfsx_work.c new file mode 100644 index 00000000..8ea7bc03 --- /dev/null +++ b/lapacke/src/lapacke_sgerfsx_work.c @@ -0,0 +1,163 @@ +/***************************************************************************** + 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 sgerfsx +* Author: Intel Corporation +* Generated November, 2011 +*****************************************************************************/ + +#include "lapacke.h" +#include "lapacke_utils.h" + +lapack_int LAPACKE_sgerfsx_work( int matrix_order, char trans, char equed, + lapack_int n, lapack_int nrhs, const float* a, + lapack_int lda, const float* af, + lapack_int ldaf, const lapack_int* ipiv, + const float* r, const float* c, const float* b, + lapack_int ldb, 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, float* work, lapack_int* iwork ) +{ + lapack_int info = 0; + if( matrix_order == LAPACK_COL_MAJOR ) { + /* Call LAPACK function and adjust info */ + LAPACK_sgerfsx( &trans, &equed, &n, &nrhs, a, &lda, af, &ldaf, ipiv, r, + c, b, &ldb, x, &ldx, rcond, berr, &n_err_bnds, + err_bnds_norm, err_bnds_comp, &nparams, params, work, + iwork, &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); + float* a_t = NULL; + float* af_t = NULL; + float* b_t = NULL; + 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_sgerfsx_work", info ); + return info; + } + if( ldaf < n ) { + info = -9; + LAPACKE_xerbla( "LAPACKE_sgerfsx_work", info ); + return info; + } + if( ldb < nrhs ) { + info = -14; + LAPACKE_xerbla( "LAPACKE_sgerfsx_work", info ); + return info; + } + if( ldx < nrhs ) { + info = -16; + LAPACKE_xerbla( "LAPACKE_sgerfsx_work", info ); + return info; + } + /* Allocate memory for temporary array(s) */ + a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) ); + if( a_t == NULL ) { + info = LAPACK_TRANSPOSE_MEMORY_ERROR; + goto exit_level_0; + } + af_t = (float*)LAPACKE_malloc( sizeof(float) * ldaf_t * MAX(1,n) ); + if( af_t == NULL ) { + info = LAPACK_TRANSPOSE_MEMORY_ERROR; + goto exit_level_1; + } + b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,nrhs) ); + if( b_t == NULL ) { + info = LAPACK_TRANSPOSE_MEMORY_ERROR; + goto exit_level_2; + } + x_t = (float*)LAPACKE_malloc( sizeof(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_sge_trans( matrix_order, n, n, a, lda, a_t, lda_t ); + LAPACKE_sge_trans( matrix_order, n, n, af, ldaf, af_t, ldaf_t ); + LAPACKE_sge_trans( matrix_order, n, nrhs, b, ldb, b_t, ldb_t ); + LAPACKE_sge_trans( matrix_order, n, nrhs, x, ldx, x_t, ldx_t ); + /* Call LAPACK function and adjust info */ + LAPACK_sgerfsx( &trans, &equed, &n, &nrhs, a_t, &lda_t, af_t, &ldaf_t, + ipiv, r, c, b_t, &ldb_t, x_t, &ldx_t, rcond, berr, + &n_err_bnds, err_bnds_norm_t, err_bnds_comp_t, &nparams, + params, work, iwork, &info ); + if( info < 0 ) { + info = info - 1; + } + /* Transpose output matrices */ + LAPACKE_sge_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_sgerfsx_work", info ); + } + } else { + info = -1; + LAPACKE_xerbla( "LAPACKE_sgerfsx_work", info ); + } + return info; +} |