121 lines
5.1 KiB
C
121 lines
5.1 KiB
C
/*****************************************************************************
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Copyright (c) 2010, 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 cgemqrt
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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_cgemqrt_work( int matrix_order, char side, char trans,
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lapack_int m, lapack_int n, lapack_int k,
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lapack_int nb, const lapack_complex_float* v,
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lapack_int ldv, const lapack_complex_float* t,
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lapack_int ldt, lapack_complex_float* c,
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lapack_int ldc, lapack_complex_float* work )
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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_cgemqrt( &side, &trans, &m, &n, &k, &nb, v, &ldv, t, &ldt, c,
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&ldc, work, &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 ldc_t = MAX(1,m);
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lapack_int ldt_t = MAX(1,ldt);
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lapack_int ldv_t = MAX(1,ldv);
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lapack_complex_float* v_t = NULL;
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lapack_complex_float* t_t = NULL;
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lapack_complex_float* c_t = NULL;
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/* Check leading dimension(s) */
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if( ldc < n ) {
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info = -13;
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LAPACKE_xerbla( "LAPACKE_cgemqrt_work", info );
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return info;
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}
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if( ldt < nb ) {
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info = -11;
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LAPACKE_xerbla( "LAPACKE_cgemqrt_work", info );
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return info;
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}
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if( ldv < k ) {
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info = -9;
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LAPACKE_xerbla( "LAPACKE_cgemqrt_work", info );
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return info;
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}
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/* Allocate memory for temporary array(s) */
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v_t = (lapack_complex_float*)
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LAPACKE_malloc( sizeof(lapack_complex_float) * ldv_t * MAX(1,k) );
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if( v_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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t_t = (lapack_complex_float*)
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LAPACKE_malloc( sizeof(lapack_complex_float) * ldt_t * MAX(1,nb) );
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if( t_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 = (lapack_complex_float*)
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LAPACKE_malloc( sizeof(lapack_complex_float) * 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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/* Transpose input matrices */
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LAPACKE_cge_trans( matrix_order, ldv, k, v, ldv, v_t, ldv_t );
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LAPACKE_cge_trans( matrix_order, ldt, nb, t, ldt, t_t, ldt_t );
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LAPACKE_cge_trans( matrix_order, m, n, c, ldc, c_t, ldc_t );
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/* Call LAPACK function and adjust info */
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LAPACK_cgemqrt( &side, &trans, &m, &n, &k, &nb, v_t, &ldv_t, t_t,
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&ldt_t, c_t, &ldc_t, work, &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_cge_trans( LAPACK_COL_MAJOR, m, n, c_t, ldc_t, c, ldc );
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/* Release memory and exit */
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LAPACKE_free( c_t );
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exit_level_2:
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LAPACKE_free( t_t );
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exit_level_1:
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LAPACKE_free( v_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_cgemqrt_work", info );
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}
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} else {
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info = -1;
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LAPACKE_xerbla( "LAPACKE_cgemqrt_work", info );
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}
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return info;
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}
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