102 lines
4.5 KiB
C
102 lines
4.5 KiB
C
/*****************************************************************************
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Copyright (c) 2014, 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 ctgsja
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* Author: Intel Corporation
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*****************************************************************************/
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#include "lapacke_utils.h"
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lapack_int LAPACKE_ctgsja( int matrix_layout, char jobu, char jobv, char jobq,
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lapack_int m, lapack_int p, lapack_int n,
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lapack_int k, lapack_int l, lapack_complex_float* a,
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lapack_int lda, lapack_complex_float* b,
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lapack_int ldb, float tola, float tolb, float* alpha,
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float* beta, lapack_complex_float* u, lapack_int ldu,
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lapack_complex_float* v, lapack_int ldv,
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lapack_complex_float* q, lapack_int ldq,
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lapack_int* ncycle )
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{
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lapack_int info = 0;
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lapack_complex_float* work = NULL;
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if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
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LAPACKE_xerbla( "LAPACKE_ctgsja", -1 );
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return -1;
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}
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#ifndef LAPACK_DISABLE_NAN_CHECK
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if( LAPACKE_get_nancheck() ) {
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/* Optionally check input matrices for NaNs */
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if( LAPACKE_cge_nancheck( matrix_layout, m, n, a, lda ) ) {
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return -10;
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}
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if( LAPACKE_cge_nancheck( matrix_layout, p, n, b, ldb ) ) {
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return -12;
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}
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if( LAPACKE_lsame( jobq, 'i' ) || LAPACKE_lsame( jobq, 'q' ) ) {
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if( LAPACKE_cge_nancheck( matrix_layout, n, n, q, ldq ) ) {
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return -22;
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}
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}
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if( LAPACKE_s_nancheck( 1, &tola, 1 ) ) {
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return -14;
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}
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if( LAPACKE_s_nancheck( 1, &tolb, 1 ) ) {
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return -15;
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}
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if( LAPACKE_lsame( jobu, 'i' ) || LAPACKE_lsame( jobu, 'u' ) ) {
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if( LAPACKE_cge_nancheck( matrix_layout, m, m, u, ldu ) ) {
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return -18;
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}
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}
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if( LAPACKE_lsame( jobv, 'i' ) || LAPACKE_lsame( jobv, 'v' ) ) {
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if( LAPACKE_cge_nancheck( matrix_layout, p, p, v, ldv ) ) {
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return -20;
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}
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}
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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) * MAX(1,2*n) );
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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_ctgsja_work( matrix_layout, jobu, jobv, jobq, m, p, n, k, l,
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a, lda, b, ldb, tola, tolb, alpha, beta, u, ldu,
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v, ldv, q, ldq, work, ncycle );
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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_ctgsja", info );
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}
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return info;
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}
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