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Diffstat (limited to 'LAPACKE/src/lapacke_clarfb.c')
| -rw-r--r-- | LAPACKE/src/lapacke_clarfb.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/LAPACKE/src/lapacke_clarfb.c b/LAPACKE/src/lapacke_clarfb.c new file mode 100644 index 00000000..e0bc5f69 --- /dev/null +++ b/LAPACKE/src/lapacke_clarfb.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 high-level C interface to LAPACK function clarfb +* Author: Intel Corporation +* Generated November, 2011 +*****************************************************************************/ + +#include "lapacke_utils.h" + +lapack_int LAPACKE_clarfb( int matrix_layout, char side, char trans, char direct, + char storev, lapack_int m, lapack_int n, + lapack_int k, const lapack_complex_float* v, + lapack_int ldv, const lapack_complex_float* t, + lapack_int ldt, lapack_complex_float* c, + lapack_int ldc ) +{ + lapack_int info = 0; + lapack_int ldwork = ( side=='l')?n:(( side=='r')?m:1); + lapack_complex_float* work = NULL; + lapack_int ncols_v, nrows_v; + if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) { + LAPACKE_xerbla( "LAPACKE_clarfb", -1 ); + return -1; + } +#ifndef LAPACK_DISABLE_NAN_CHECK + /* Optionally check input matrices for NaNs */ + ncols_v = LAPACKE_lsame( storev, 'c' ) ? k : + ( ( LAPACKE_lsame( storev, 'r' ) && + LAPACKE_lsame( side, 'l' ) ) ? m : + ( ( LAPACKE_lsame( storev, 'r' ) && + LAPACKE_lsame( side, 'r' ) ) ? n : 1) ); + nrows_v = ( LAPACKE_lsame( storev, 'c' ) && + LAPACKE_lsame( side, 'l' ) ) ? m : + ( ( LAPACKE_lsame( storev, 'c' ) && + LAPACKE_lsame( side, 'r' ) ) ? n : + ( LAPACKE_lsame( storev, 'r' ) ? k : 1) ); + if( LAPACKE_cge_nancheck( matrix_layout, m, n, c, ldc ) ) { + return -13; + } + if( LAPACKE_cge_nancheck( matrix_layout, k, k, t, ldt ) ) { + return -11; + } + if( LAPACKE_lsame( storev, 'c' ) && LAPACKE_lsame( direct, 'f' ) ) { + if( LAPACKE_ctr_nancheck( matrix_layout, 'l', 'u', k, v, ldv ) ) + return -9; + if( LAPACKE_cge_nancheck( matrix_layout, nrows_v-k, ncols_v, &v[k*ldv], + ldv ) ) + return -9; + } else if( LAPACKE_lsame( storev, 'c' ) && LAPACKE_lsame( direct, 'b' ) ) { + if( k > nrows_v ) { + LAPACKE_xerbla( "LAPACKE_clarfb", -8 ); + return -8; + } + if( LAPACKE_ctr_nancheck( matrix_layout, 'u', 'u', k, + &v[(nrows_v-k)*ldv], ldv ) ) + return -9; + if( LAPACKE_cge_nancheck( matrix_layout, nrows_v-k, ncols_v, v, ldv ) ) + return -9; + } else if( LAPACKE_lsame( storev, 'r' ) && LAPACKE_lsame( direct, 'f' ) ) { + if( LAPACKE_ctr_nancheck( matrix_layout, 'u', 'u', k, v, ldv ) ) + return -9; + if( LAPACKE_cge_nancheck( matrix_layout, nrows_v, ncols_v-k, &v[k], + ldv ) ) + return -9; + } else if( LAPACKE_lsame( storev, 'r' ) && LAPACKE_lsame( direct, 'f' ) ) { + if( k > ncols_v ) { + LAPACKE_xerbla( "LAPACKE_clarfb", -8 ); + return -8; + } + if( LAPACKE_ctr_nancheck( matrix_layout, 'l', 'u', k, &v[ncols_v-k], + ldv ) ) + return -9; + if( LAPACKE_cge_nancheck( matrix_layout, nrows_v, ncols_v-k, v, ldv ) ) + return -9; + } +#endif + /* Allocate memory for working array(s) */ + work = (lapack_complex_float*) + LAPACKE_malloc( sizeof(lapack_complex_float) * ldwork * MAX(1,k) ); + if( work == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_0; + } + /* Call middle-level interface */ + info = LAPACKE_clarfb_work( matrix_layout, side, trans, direct, storev, m, n, + k, v, ldv, t, ldt, c, ldc, work, ldwork ); + /* Release memory and exit */ + LAPACKE_free( work ); +exit_level_0: + if( info == LAPACK_WORK_MEMORY_ERROR ) { + LAPACKE_xerbla( "LAPACKE_clarfb", info ); + } + return info; +} |