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Diffstat (limited to 'LAPACKE/src/lapacke_zunbdb.c')
| -rw-r--r-- | LAPACKE/src/lapacke_zunbdb.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/LAPACKE/src/lapacke_zunbdb.c b/LAPACKE/src/lapacke_zunbdb.c new file mode 100644 index 00000000..9b02be67 --- /dev/null +++ b/LAPACKE/src/lapacke_zunbdb.c @@ -0,0 +1,103 @@ +/***************************************************************************** + 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 zunbdb +* Author: Intel Corporation +* Generated November, 2011 +*****************************************************************************/ + +#include "lapacke_utils.h" + +lapack_int LAPACKE_zunbdb( int matrix_layout, char trans, char signs, + lapack_int m, lapack_int p, lapack_int q, + lapack_complex_double* x11, lapack_int ldx11, + lapack_complex_double* x12, lapack_int ldx12, + lapack_complex_double* x21, lapack_int ldx21, + lapack_complex_double* x22, lapack_int ldx22, + double* theta, double* phi, + lapack_complex_double* taup1, + lapack_complex_double* taup2, + lapack_complex_double* tauq1, + lapack_complex_double* tauq2 ) +{ + lapack_int info = 0; + lapack_int lwork = -1; + lapack_complex_double* work = NULL; + lapack_complex_double work_query; + lapack_int nrows_x11, nrows_x12, nrows_x21, nrows_x22; + if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) { + LAPACKE_xerbla( "LAPACKE_zunbdb", -1 ); + return -1; + } +#ifndef LAPACK_DISABLE_NAN_CHECK + /* Optionally check input matrices for NaNs */ + nrows_x11 = ( LAPACKE_lsame( trans, 'n' ) ? p : q); + nrows_x12 = ( LAPACKE_lsame( trans, 'n' ) ? p : m-q); + nrows_x21 = ( LAPACKE_lsame( trans, 'n' ) ? m-p : q); + nrows_x22 = ( LAPACKE_lsame( trans, 'n' ) ? m-p : m-q); + if( LAPACKE_zge_nancheck( matrix_layout, nrows_x11, q, x11, ldx11 ) ) { + return -7; + } + if( LAPACKE_zge_nancheck( matrix_layout, nrows_x12, m-q, x12, ldx12 ) ) { + return -9; + } + if( LAPACKE_zge_nancheck( matrix_layout, nrows_x21, q, x21, ldx21 ) ) { + return -11; + } + if( LAPACKE_zge_nancheck( matrix_layout, nrows_x22, m-q, x22, ldx22 ) ) { + return -13; + } +#endif + /* Query optimal working array(s) size */ + info = LAPACKE_zunbdb_work( matrix_layout, trans, signs, m, p, q, x11, ldx11, + x12, ldx12, x21, ldx21, x22, ldx22, theta, phi, + taup1, taup2, tauq1, tauq2, &work_query, + lwork ); + if( info != 0 ) { + goto exit_level_0; + } + lwork = LAPACK_Z2INT( work_query ); + /* Allocate memory for work arrays */ + work = (lapack_complex_double*) + LAPACKE_malloc( sizeof(lapack_complex_double) * lwork ); + if( work == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_0; + } + /* Call middle-level interface */ + info = LAPACKE_zunbdb_work( matrix_layout, trans, signs, m, p, q, x11, ldx11, + x12, ldx12, x21, ldx21, x22, ldx22, theta, phi, + taup1, taup2, tauq1, tauq2, work, lwork ); + /* Release memory and exit */ + LAPACKE_free( work ); +exit_level_0: + if( info == LAPACK_WORK_MEMORY_ERROR ) { + LAPACKE_xerbla( "LAPACKE_zunbdb", info ); + } + return info; +} |