From ad584bfedd12235fe4ce20d65037f1ab2503abbb Mon Sep 17 00:00:00 2001 From: "philippe.theveny" Date: Mon, 17 Aug 2015 21:17:37 +0000 Subject: Added LAPACKE wrappers for GSVD (complements r1572). --- LAPACKE/src/lapacke_cggsvp3.c | 119 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 LAPACKE/src/lapacke_cggsvp3.c (limited to 'LAPACKE/src/lapacke_cggsvp3.c') diff --git a/LAPACKE/src/lapacke_cggsvp3.c b/LAPACKE/src/lapacke_cggsvp3.c new file mode 100644 index 00000000..25cc9743 --- /dev/null +++ b/LAPACKE/src/lapacke_cggsvp3.c @@ -0,0 +1,119 @@ +/***************************************************************************** + 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 cggsvp3 +* Author: Intel Corporation +* Generated August, 2015 +*****************************************************************************/ + +#include "lapacke_utils.h" + +lapack_int LAPACKE_cggsvp3( int matrix_layout, char jobu, char jobv, char jobq, + lapack_int m, lapack_int p, lapack_int n, + lapack_complex_float* a, lapack_int lda, + lapack_complex_float* b, lapack_int ldb, float tola, + float tolb, lapack_int* k, lapack_int* l, + lapack_complex_float* u, lapack_int ldu, + lapack_complex_float* v, lapack_int ldv, + lapack_complex_float* q, lapack_int ldq ) +{ + lapack_int info = 0; + lapack_int* iwork = NULL; + float* rwork = NULL; + lapack_complex_float* tau = NULL; + lapack_complex_float* work = NULL; + lapack_int lwork = -1; + lapack_complex_float work_query; + if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) { + LAPACKE_xerbla( "LAPACKE_cggsvp3", -1 ); + return -1; + } +#ifndef LAPACK_DISABLE_NAN_CHECK + /* Optionally check input matrices for NaNs */ + if( LAPACKE_cge_nancheck( matrix_layout, m, n, a, lda ) ) { + return -8; + } + if( LAPACKE_cge_nancheck( matrix_layout, p, n, b, ldb ) ) { + return -10; + } + if( LAPACKE_s_nancheck( 1, &tola, 1 ) ) { + return -12; + } + if( LAPACKE_s_nancheck( 1, &tolb, 1 ) ) { + return -13; + } +#endif + /* Query optimal size for working array */ + info = LAPACKE_cggsvp3_work( matrix_layout, jobu, jobv, jobq, m, p, n, + a, lda, b, ldb, tola, tolb, k, l, u, ldu, + v, ldv, q, ldq, iwork, rwork, tau, + &work_query, lwork ); + if( info != 0 ) + goto exit_level_0; + lwork = LAPACK_C2INT( work_query ); + /* Allocate memory for working array(s) */ + iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) ); + if( iwork == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_0; + } + rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) ); + if( rwork == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_1; + } + tau = (lapack_complex_float*) + LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,n) ); + if( tau == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_2; + } + work = (lapack_complex_float*) + LAPACKE_malloc( sizeof(lapack_complex_float) * lwork ); + if( work == NULL ) { + info = LAPACK_WORK_MEMORY_ERROR; + goto exit_level_3; + } + /* Call middle-level interface */ + info = LAPACKE_cggsvp3_work( matrix_layout, jobu, jobv, jobq, m, p, n, a, lda, + b, ldb, tola, tolb, k, l, u, ldu, v, ldv, q, + ldq, iwork, rwork, tau, work, lwork ); + /* Release memory and exit */ + LAPACKE_free( work ); +exit_level_3: + LAPACKE_free( tau ); +exit_level_2: + LAPACKE_free( rwork ); +exit_level_1: + LAPACKE_free( iwork ); +exit_level_0: + if( info == LAPACK_WORK_MEMORY_ERROR ) { + LAPACKE_xerbla( "LAPACKE_cggsvp3", info ); + } + return info; +} -- cgit v1.2.3