diff options
Diffstat (limited to 'LAPACKE/src/lapacke_dgeesx_work.c')
| -rw-r--r-- | LAPACKE/src/lapacke_dgeesx_work.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/LAPACKE/src/lapacke_dgeesx_work.c b/LAPACKE/src/lapacke_dgeesx_work.c new file mode 100644 index 00000000..5204bfeb --- /dev/null +++ b/LAPACKE/src/lapacke_dgeesx_work.c @@ -0,0 +1,120 @@ +/***************************************************************************** + Copyright (c) 2014, 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 dgeesx +* Author: Intel Corporation +* Generated November, 2011 +*****************************************************************************/ + +#include "lapacke_utils.h" + +lapack_int LAPACKE_dgeesx_work( int matrix_layout, char jobvs, char sort, + LAPACK_D_SELECT2 select, char sense, + lapack_int n, double* a, lapack_int lda, + lapack_int* sdim, double* wr, double* wi, + double* vs, lapack_int ldvs, double* rconde, + double* rcondv, double* work, lapack_int lwork, + lapack_int* iwork, lapack_int liwork, + lapack_logical* bwork ) +{ + lapack_int info = 0; + if( matrix_layout == LAPACK_COL_MAJOR ) { + /* Call LAPACK function and adjust info */ + LAPACK_dgeesx( &jobvs, &sort, select, &sense, &n, a, &lda, sdim, wr, wi, + vs, &ldvs, rconde, rcondv, work, &lwork, iwork, &liwork, + bwork, &info ); + if( info < 0 ) { + info = info - 1; + } + } else if( matrix_layout == LAPACK_ROW_MAJOR ) { + lapack_int lda_t = MAX(1,n); + lapack_int ldvs_t = MAX(1,n); + double* a_t = NULL; + double* vs_t = NULL; + /* Check leading dimension(s) */ + if( lda < n ) { + info = -8; + LAPACKE_xerbla( "LAPACKE_dgeesx_work", info ); + return info; + } + if( ldvs < n ) { + info = -13; + LAPACKE_xerbla( "LAPACKE_dgeesx_work", info ); + return info; + } + /* Query optimal working array(s) size if requested */ + if( liwork == -1 || lwork == -1 ) { + LAPACK_dgeesx( &jobvs, &sort, select, &sense, &n, a, &lda_t, sdim, + wr, wi, vs, &ldvs_t, rconde, rcondv, work, &lwork, + iwork, &liwork, bwork, &info ); + return (info < 0) ? (info - 1) : info; + } + /* Allocate memory for temporary array(s) */ + a_t = (double*)LAPACKE_malloc( sizeof(double) * lda_t * MAX(1,n) ); + if( a_t == NULL ) { + info = LAPACK_TRANSPOSE_MEMORY_ERROR; + goto exit_level_0; + } + if( LAPACKE_lsame( jobvs, 'v' ) ) { + vs_t = (double*) + LAPACKE_malloc( sizeof(double) * ldvs_t * MAX(1,n) ); + if( vs_t == NULL ) { + info = LAPACK_TRANSPOSE_MEMORY_ERROR; + goto exit_level_1; + } + } + /* Transpose input matrices */ + LAPACKE_dge_trans( matrix_layout, n, n, a, lda, a_t, lda_t ); + /* Call LAPACK function and adjust info */ + LAPACK_dgeesx( &jobvs, &sort, select, &sense, &n, a_t, &lda_t, sdim, wr, + wi, vs_t, &ldvs_t, rconde, rcondv, work, &lwork, iwork, + &liwork, bwork, &info ); + if( info < 0 ) { + info = info - 1; + } + /* Transpose output matrices */ + LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda ); + if( LAPACKE_lsame( jobvs, 'v' ) ) { + LAPACKE_dge_trans( LAPACK_COL_MAJOR, n, n, vs_t, ldvs_t, vs, ldvs ); + } + /* Release memory and exit */ + if( LAPACKE_lsame( jobvs, 'v' ) ) { + LAPACKE_free( vs_t ); + } +exit_level_1: + LAPACKE_free( a_t ); +exit_level_0: + if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) { + LAPACKE_xerbla( "LAPACKE_dgeesx_work", info ); + } + } else { + info = -1; + LAPACKE_xerbla( "LAPACKE_dgeesx_work", info ); + } + return info; +} |