175 lines
7.2 KiB
C
175 lines
7.2 KiB
C
/*****************************************************************************
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Copyright (c) 2011, Intel Corp.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Intel Corporation nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************
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* Contents: Native middle-level C interface to LAPACK function dtgsyl
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* Author: Intel Corporation
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* Generated November, 2011
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*****************************************************************************/
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#include "lapacke_utils.h"
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lapack_int LAPACKE_dtgsyl_work( int matrix_order, char trans, lapack_int ijob,
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lapack_int m, lapack_int n, const double* a,
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lapack_int lda, const double* b, lapack_int ldb,
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double* c, lapack_int ldc, const double* d,
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lapack_int ldd, const double* e, lapack_int lde,
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double* f, lapack_int ldf, double* scale,
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double* dif, double* work, lapack_int lwork,
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lapack_int* iwork )
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{
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lapack_int info = 0;
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if( matrix_order == LAPACK_COL_MAJOR ) {
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/* Call LAPACK function and adjust info */
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LAPACK_dtgsyl( &trans, &ijob, &m, &n, a, &lda, b, &ldb, c, &ldc, d,
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&ldd, e, &lde, f, &ldf, scale, dif, work, &lwork, iwork,
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&info );
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if( info < 0 ) {
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info = info - 1;
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}
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} else if( matrix_order == LAPACK_ROW_MAJOR ) {
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lapack_int lda_t = MAX(1,m);
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lapack_int ldb_t = MAX(1,n);
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lapack_int ldc_t = MAX(1,m);
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lapack_int ldd_t = MAX(1,m);
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lapack_int lde_t = MAX(1,n);
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lapack_int ldf_t = MAX(1,m);
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double* a_t = NULL;
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double* b_t = NULL;
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double* c_t = NULL;
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double* d_t = NULL;
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double* e_t = NULL;
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double* f_t = NULL;
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/* Check leading dimension(s) */
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if( lda < m ) {
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info = -7;
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LAPACKE_xerbla( "LAPACKE_dtgsyl_work", info );
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return info;
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}
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if( ldb < n ) {
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info = -9;
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LAPACKE_xerbla( "LAPACKE_dtgsyl_work", info );
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return info;
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}
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if( ldc < n ) {
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info = -11;
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LAPACKE_xerbla( "LAPACKE_dtgsyl_work", info );
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return info;
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}
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if( ldd < m ) {
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info = -13;
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LAPACKE_xerbla( "LAPACKE_dtgsyl_work", info );
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return info;
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}
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if( lde < n ) {
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info = -15;
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LAPACKE_xerbla( "LAPACKE_dtgsyl_work", info );
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return info;
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}
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if( ldf < n ) {
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info = -17;
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LAPACKE_xerbla( "LAPACKE_dtgsyl_work", info );
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return info;
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}
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/* Query optimal working array(s) size if requested */
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if( lwork == -1 ) {
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LAPACK_dtgsyl( &trans, &ijob, &m, &n, a, &lda_t, b, &ldb_t, c,
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&ldc_t, d, &ldd_t, e, &lde_t, f, &ldf_t, scale, dif,
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work, &lwork, iwork, &info );
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return (info < 0) ? (info - 1) : info;
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}
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/* Allocate memory for temporary array(s) */
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a_t = (double*)LAPACKE_malloc( sizeof(double) * lda_t * MAX(1,m) );
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if( a_t == NULL ) {
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info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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goto exit_level_0;
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}
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b_t = (double*)LAPACKE_malloc( sizeof(double) * ldb_t * MAX(1,n) );
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if( b_t == NULL ) {
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info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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goto exit_level_1;
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}
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c_t = (double*)LAPACKE_malloc( sizeof(double) * ldc_t * MAX(1,n) );
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if( c_t == NULL ) {
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info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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goto exit_level_2;
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}
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d_t = (double*)LAPACKE_malloc( sizeof(double) * ldd_t * MAX(1,m) );
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if( d_t == NULL ) {
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info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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goto exit_level_3;
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}
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e_t = (double*)LAPACKE_malloc( sizeof(double) * lde_t * MAX(1,n) );
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if( e_t == NULL ) {
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info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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goto exit_level_4;
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}
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f_t = (double*)LAPACKE_malloc( sizeof(double) * ldf_t * MAX(1,n) );
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if( f_t == NULL ) {
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info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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goto exit_level_5;
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}
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/* Transpose input matrices */
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LAPACKE_dge_trans( matrix_order, m, m, a, lda, a_t, lda_t );
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LAPACKE_dge_trans( matrix_order, n, n, b, ldb, b_t, ldb_t );
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LAPACKE_dge_trans( matrix_order, m, n, c, ldc, c_t, ldc_t );
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LAPACKE_dge_trans( matrix_order, m, m, d, ldd, d_t, ldd_t );
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LAPACKE_dge_trans( matrix_order, n, n, e, lde, e_t, lde_t );
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LAPACKE_dge_trans( matrix_order, m, n, f, ldf, f_t, ldf_t );
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/* Call LAPACK function and adjust info */
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LAPACK_dtgsyl( &trans, &ijob, &m, &n, a_t, &lda_t, b_t, &ldb_t, c_t,
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&ldc_t, d_t, &ldd_t, e_t, &lde_t, f_t, &ldf_t, scale,
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dif, work, &lwork, iwork, &info );
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if( info < 0 ) {
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info = info - 1;
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}
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/* Transpose output matrices */
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LAPACKE_dge_trans( LAPACK_COL_MAJOR, m, n, c_t, ldc_t, c, ldc );
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LAPACKE_dge_trans( LAPACK_COL_MAJOR, m, n, f_t, ldf_t, f, ldf );
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/* Release memory and exit */
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LAPACKE_free( f_t );
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exit_level_5:
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LAPACKE_free( e_t );
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exit_level_4:
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LAPACKE_free( d_t );
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exit_level_3:
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LAPACKE_free( c_t );
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exit_level_2:
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LAPACKE_free( b_t );
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exit_level_1:
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LAPACKE_free( a_t );
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exit_level_0:
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if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
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LAPACKE_xerbla( "LAPACKE_dtgsyl_work", info );
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}
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} else {
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info = -1;
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LAPACKE_xerbla( "LAPACKE_dtgsyl_work", info );
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}
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return info;
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}
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