diff options
Diffstat (limited to 'LAPACKE/src/lapacke_sggesx_work.c')
| -rw-r--r-- | LAPACKE/src/lapacke_sggesx_work.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/LAPACKE/src/lapacke_sggesx_work.c b/LAPACKE/src/lapacke_sggesx_work.c new file mode 100644 index 00000000..500f216f --- /dev/null +++ b/LAPACKE/src/lapacke_sggesx_work.c @@ -0,0 +1,165 @@ +/***************************************************************************** + 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 sggesx +* Author: Intel Corporation +* Generated November, 2011 +*****************************************************************************/ + +#include "lapacke_utils.h" + +lapack_int LAPACKE_sggesx_work( int matrix_layout, char jobvsl, char jobvsr, + char sort, LAPACK_S_SELECT3 selctg, char sense, + lapack_int n, float* a, lapack_int lda, + float* b, lapack_int ldb, lapack_int* sdim, + float* alphar, float* alphai, float* beta, + float* vsl, lapack_int ldvsl, float* vsr, + lapack_int ldvsr, float* rconde, float* rcondv, + float* 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_sggesx( &jobvsl, &jobvsr, &sort, selctg, &sense, &n, a, &lda, b, + &ldb, sdim, alphar, alphai, beta, vsl, &ldvsl, vsr, + &ldvsr, 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 ldb_t = MAX(1,n); + lapack_int ldvsl_t = MAX(1,n); + lapack_int ldvsr_t = MAX(1,n); + float* a_t = NULL; + float* b_t = NULL; + float* vsl_t = NULL; + float* vsr_t = NULL; + /* Check leading dimension(s) */ + if( lda < n ) { + info = -9; + LAPACKE_xerbla( "LAPACKE_sggesx_work", info ); + return info; + } + if( ldb < n ) { + info = -11; + LAPACKE_xerbla( "LAPACKE_sggesx_work", info ); + return info; + } + if( ldvsl < n ) { + info = -17; + LAPACKE_xerbla( "LAPACKE_sggesx_work", info ); + return info; + } + if( ldvsr < n ) { + info = -19; + LAPACKE_xerbla( "LAPACKE_sggesx_work", info ); + return info; + } + /* Query optimal working array(s) size if requested */ + if( liwork == -1 || lwork == -1 ) { + LAPACK_sggesx( &jobvsl, &jobvsr, &sort, selctg, &sense, &n, a, + &lda_t, b, &ldb_t, sdim, alphar, alphai, beta, vsl, + &ldvsl_t, vsr, &ldvsr_t, rconde, rcondv, work, + &lwork, iwork, &liwork, bwork, &info ); + return (info < 0) ? (info - 1) : 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; + } + b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,n) ); + if( b_t == NULL ) { + info = LAPACK_TRANSPOSE_MEMORY_ERROR; + goto exit_level_1; + } + if( LAPACKE_lsame( jobvsl, 'v' ) ) { + vsl_t = (float*) + LAPACKE_malloc( sizeof(float) * ldvsl_t * MAX(1,n) ); + if( vsl_t == NULL ) { + info = LAPACK_TRANSPOSE_MEMORY_ERROR; + goto exit_level_2; + } + } + if( LAPACKE_lsame( jobvsr, 'v' ) ) { + vsr_t = (float*) + LAPACKE_malloc( sizeof(float) * ldvsr_t * MAX(1,n) ); + if( vsr_t == NULL ) { + info = LAPACK_TRANSPOSE_MEMORY_ERROR; + goto exit_level_3; + } + } + /* Transpose input matrices */ + LAPACKE_sge_trans( matrix_layout, n, n, a, lda, a_t, lda_t ); + LAPACKE_sge_trans( matrix_layout, n, n, b, ldb, b_t, ldb_t ); + /* Call LAPACK function and adjust info */ + LAPACK_sggesx( &jobvsl, &jobvsr, &sort, selctg, &sense, &n, a_t, &lda_t, + b_t, &ldb_t, sdim, alphar, alphai, beta, vsl_t, &ldvsl_t, + vsr_t, &ldvsr_t, rconde, rcondv, work, &lwork, iwork, + &liwork, bwork, &info ); + if( info < 0 ) { + info = info - 1; + } + /* Transpose output matrices */ + LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda ); + LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, n, b_t, ldb_t, b, ldb ); + if( LAPACKE_lsame( jobvsl, 'v' ) ) { + LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, n, vsl_t, ldvsl_t, vsl, + ldvsl ); + } + if( LAPACKE_lsame( jobvsr, 'v' ) ) { + LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, n, vsr_t, ldvsr_t, vsr, + ldvsr ); + } + /* Release memory and exit */ + if( LAPACKE_lsame( jobvsr, 'v' ) ) { + LAPACKE_free( vsr_t ); + } +exit_level_3: + if( LAPACKE_lsame( jobvsl, 'v' ) ) { + LAPACKE_free( vsl_t ); + } +exit_level_2: + LAPACKE_free( b_t ); +exit_level_1: + LAPACKE_free( a_t ); +exit_level_0: + if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) { + LAPACKE_xerbla( "LAPACKE_sggesx_work", info ); + } + } else { + info = -1; + LAPACKE_xerbla( "LAPACKE_sggesx_work", info ); + } + return info; +} |