121 lines
5.5 KiB
C
121 lines
5.5 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 high-level C interface to LAPACK function clarfb
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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_clarfb( int matrix_order, char side, char trans, char direct,
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char storev, lapack_int m, lapack_int n,
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lapack_int k, 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 )
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{
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lapack_int info = 0;
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lapack_int ldwork = ( side=='l')?n:(( side=='r')?m:1);
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lapack_complex_float* work = NULL;
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lapack_int ncols_v, nrows_v;
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if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
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LAPACKE_xerbla( "LAPACKE_clarfb", -1 );
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return -1;
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}
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#ifndef LAPACK_DISABLE_NAN_CHECK
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/* Optionally check input matrices for NaNs */
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ncols_v = LAPACKE_lsame( storev, 'c' ) ? k :
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( ( LAPACKE_lsame( storev, 'r' ) &&
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LAPACKE_lsame( side, 'l' ) ) ? m :
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( ( LAPACKE_lsame( storev, 'r' ) &&
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LAPACKE_lsame( side, 'r' ) ) ? n : 1) );
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nrows_v = ( LAPACKE_lsame( storev, 'c' ) &&
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LAPACKE_lsame( side, 'l' ) ) ? m :
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( ( LAPACKE_lsame( storev, 'c' ) &&
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LAPACKE_lsame( side, 'r' ) ) ? n :
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( LAPACKE_lsame( storev, 'r' ) ? k : 1) );
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if( LAPACKE_cge_nancheck( matrix_order, m, n, c, ldc ) ) {
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return -13;
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}
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if( LAPACKE_cge_nancheck( matrix_order, k, k, t, ldt ) ) {
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return -11;
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}
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if( LAPACKE_lsame( storev, 'c' ) && LAPACKE_lsame( direct, 'f' ) ) {
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if( LAPACKE_ctr_nancheck( matrix_order, 'l', 'u', k, v, ldv ) )
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return -9;
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if( LAPACKE_cge_nancheck( matrix_order, nrows_v-k, ncols_v, &v[k*ldv],
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ldv ) )
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return -9;
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} else if( LAPACKE_lsame( storev, 'c' ) && LAPACKE_lsame( direct, 'b' ) ) {
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if( k > nrows_v ) {
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LAPACKE_xerbla( "LAPACKE_clarfb", -8 );
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return -8;
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}
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if( LAPACKE_ctr_nancheck( matrix_order, 'u', 'u', k,
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&v[(nrows_v-k)*ldv], ldv ) )
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return -9;
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if( LAPACKE_cge_nancheck( matrix_order, nrows_v-k, ncols_v, v, ldv ) )
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return -9;
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} else if( LAPACKE_lsame( storev, 'r' ) && LAPACKE_lsame( direct, 'f' ) ) {
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if( LAPACKE_ctr_nancheck( matrix_order, 'u', 'u', k, v, ldv ) )
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return -9;
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if( LAPACKE_cge_nancheck( matrix_order, nrows_v, ncols_v-k, &v[k],
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ldv ) )
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return -9;
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} else if( LAPACKE_lsame( storev, 'r' ) && LAPACKE_lsame( direct, 'f' ) ) {
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if( k > ncols_v ) {
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LAPACKE_xerbla( "LAPACKE_clarfb", -8 );
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return -8;
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}
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if( LAPACKE_ctr_nancheck( matrix_order, 'l', 'u', k, &v[ncols_v-k],
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ldv ) )
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return -9;
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if( LAPACKE_cge_nancheck( matrix_order, nrows_v, ncols_v-k, v, ldv ) )
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return -9;
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}
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#endif
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/* Allocate memory for working array(s) */
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work = (lapack_complex_float*)
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LAPACKE_malloc( sizeof(lapack_complex_float) * ldwork * MAX(1,k) );
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if( work == NULL ) {
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info = LAPACK_WORK_MEMORY_ERROR;
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goto exit_level_0;
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}
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/* Call middle-level interface */
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info = LAPACKE_clarfb_work( matrix_order, side, trans, direct, storev, m, n,
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k, v, ldv, t, ldt, c, ldc, work, ldwork );
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/* Release memory and exit */
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LAPACKE_free( work );
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exit_level_0:
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if( info == LAPACK_WORK_MEMORY_ERROR ) {
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LAPACKE_xerbla( "LAPACKE_clarfb", info );
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}
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return info;
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}
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