102 lines
4.4 KiB
C
102 lines
4.4 KiB
C
/*****************************************************************************
|
|
Copyright (c) 2011, 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 ztgsja
|
|
* Author: Intel Corporation
|
|
* Generated November, 2011
|
|
*****************************************************************************/
|
|
|
|
#include "lapacke_utils.h"
|
|
|
|
lapack_int LAPACKE_ztgsja( int matrix_order, char jobu, char jobv, char jobq,
|
|
lapack_int m, lapack_int p, lapack_int n,
|
|
lapack_int k, lapack_int l, lapack_complex_double* a,
|
|
lapack_int lda, lapack_complex_double* b,
|
|
lapack_int ldb, double tola, double tolb,
|
|
double* alpha, double* beta,
|
|
lapack_complex_double* u, lapack_int ldu,
|
|
lapack_complex_double* v, lapack_int ldv,
|
|
lapack_complex_double* q, lapack_int ldq,
|
|
lapack_int* ncycle )
|
|
{
|
|
lapack_int info = 0;
|
|
lapack_complex_double* work = NULL;
|
|
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
|
|
LAPACKE_xerbla( "LAPACKE_ztgsja", -1 );
|
|
return -1;
|
|
}
|
|
#ifndef LAPACK_DISABLE_NAN_CHECK
|
|
/* Optionally check input matrices for NaNs */
|
|
if( LAPACKE_zge_nancheck( matrix_order, m, n, a, lda ) ) {
|
|
return -10;
|
|
}
|
|
if( LAPACKE_zge_nancheck( matrix_order, p, n, b, ldb ) ) {
|
|
return -12;
|
|
}
|
|
if( LAPACKE_lsame( jobq, 'i' ) || LAPACKE_lsame( jobq, 'q' ) ) {
|
|
if( LAPACKE_zge_nancheck( matrix_order, n, n, q, ldq ) ) {
|
|
return -22;
|
|
}
|
|
}
|
|
if( LAPACKE_d_nancheck( 1, &tola, 1 ) ) {
|
|
return -14;
|
|
}
|
|
if( LAPACKE_d_nancheck( 1, &tolb, 1 ) ) {
|
|
return -15;
|
|
}
|
|
if( LAPACKE_lsame( jobu, 'i' ) || LAPACKE_lsame( jobu, 'u' ) ) {
|
|
if( LAPACKE_zge_nancheck( matrix_order, m, m, u, ldu ) ) {
|
|
return -18;
|
|
}
|
|
}
|
|
if( LAPACKE_lsame( jobv, 'i' ) || LAPACKE_lsame( jobv, 'v' ) ) {
|
|
if( LAPACKE_zge_nancheck( matrix_order, p, p, v, ldv ) ) {
|
|
return -20;
|
|
}
|
|
}
|
|
#endif
|
|
/* Allocate memory for working array(s) */
|
|
work = (lapack_complex_double*)
|
|
LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
|
|
if( work == NULL ) {
|
|
info = LAPACK_WORK_MEMORY_ERROR;
|
|
goto exit_level_0;
|
|
}
|
|
/* Call middle-level interface */
|
|
info = LAPACKE_ztgsja_work( matrix_order, jobu, jobv, jobq, m, p, n, k, l,
|
|
a, lda, b, ldb, tola, tolb, alpha, beta, u, ldu,
|
|
v, ldv, q, ldq, work, ncycle );
|
|
/* Release memory and exit */
|
|
LAPACKE_free( work );
|
|
exit_level_0:
|
|
if( info == LAPACK_WORK_MEMORY_ERROR ) {
|
|
LAPACKE_xerbla( "LAPACKE_ztgsja", info );
|
|
}
|
|
return info;
|
|
}
|