153 lines
6.4 KiB
C
153 lines
6.4 KiB
C
/*****************************************************************************
|
|
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 middle-level C interface to LAPACK function stgsna
|
|
* Author: Intel Corporation
|
|
* Generated November 2015
|
|
*****************************************************************************/
|
|
|
|
#include "lapacke_utils.h"
|
|
|
|
lapack_int LAPACKE_stgsna_work( int matrix_layout, char job, char howmny,
|
|
const lapack_logical* select, lapack_int n,
|
|
const float* a, lapack_int lda, const float* b,
|
|
lapack_int ldb, const float* vl,
|
|
lapack_int ldvl, const float* vr,
|
|
lapack_int ldvr, float* s, float* dif,
|
|
lapack_int mm, lapack_int* m, float* work,
|
|
lapack_int lwork, lapack_int* iwork )
|
|
{
|
|
lapack_int info = 0;
|
|
if( matrix_layout == LAPACK_COL_MAJOR ) {
|
|
/* Call LAPACK function and adjust info */
|
|
LAPACK_stgsna( &job, &howmny, select, &n, a, &lda, b, &ldb, vl, &ldvl,
|
|
vr, &ldvr, s, dif, &mm, m, work, &lwork, iwork, &info );
|
|
if( info < 0 ) {
|
|
info = info - 1;
|
|
}
|
|
} else if( matrix_layout == LAPACK_ROW_MAJOR ) {
|
|
lapack_int lda_t = MAX(1,n);
|
|
lapack_int ldb_t = MAX(1,n);
|
|
lapack_int ldvl_t = MAX(1,n);
|
|
lapack_int ldvr_t = MAX(1,n);
|
|
float* a_t = NULL;
|
|
float* b_t = NULL;
|
|
float* vl_t = NULL;
|
|
float* vr_t = NULL;
|
|
/* Check leading dimension(s) */
|
|
if( lda < n ) {
|
|
info = -7;
|
|
LAPACKE_xerbla( "LAPACKE_stgsna_work", info );
|
|
return info;
|
|
}
|
|
if( ldb < n ) {
|
|
info = -9;
|
|
LAPACKE_xerbla( "LAPACKE_stgsna_work", info );
|
|
return info;
|
|
}
|
|
if( ldvl < mm ) {
|
|
info = -11;
|
|
LAPACKE_xerbla( "LAPACKE_stgsna_work", info );
|
|
return info;
|
|
}
|
|
if( ldvr < mm ) {
|
|
info = -13;
|
|
LAPACKE_xerbla( "LAPACKE_stgsna_work", info );
|
|
return info;
|
|
}
|
|
/* Query optimal working array(s) size if requested */
|
|
if( lwork == -1 ) {
|
|
LAPACK_stgsna( &job, &howmny, select, &n, a, &lda_t, b, &ldb_t, vl,
|
|
&ldvl_t, vr, &ldvr_t, s, dif, &mm, m, work, &lwork,
|
|
iwork, &info );
|
|
return (info < 0) ? (info - 1) : info;
|
|
}
|
|
/* Allocate memory for temporary array(s) */
|
|
a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
|
|
if( a_t == NULL ) {
|
|
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
|
|
goto exit_level_0;
|
|
}
|
|
b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,n) );
|
|
if( b_t == NULL ) {
|
|
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
|
|
goto exit_level_1;
|
|
}
|
|
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
|
|
vl_t = (float*)LAPACKE_malloc( sizeof(float) * ldvl_t * MAX(1,mm) );
|
|
if( vl_t == NULL ) {
|
|
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
|
|
goto exit_level_2;
|
|
}
|
|
}
|
|
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
|
|
vr_t = (float*)LAPACKE_malloc( sizeof(float) * ldvr_t * MAX(1,mm) );
|
|
if( vr_t == NULL ) {
|
|
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
|
|
goto exit_level_3;
|
|
}
|
|
}
|
|
/* Transpose input matrices */
|
|
LAPACKE_sge_trans( matrix_layout, n, n, a, lda, a_t, lda_t );
|
|
LAPACKE_sge_trans( matrix_layout, n, n, b, ldb, b_t, ldb_t );
|
|
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
|
|
LAPACKE_sge_trans( matrix_layout, n, mm, vl, ldvl, vl_t, ldvl_t );
|
|
}
|
|
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
|
|
LAPACKE_sge_trans( matrix_layout, n, mm, vr, ldvr, vr_t, ldvr_t );
|
|
}
|
|
/* Call LAPACK function and adjust info */
|
|
LAPACK_stgsna( &job, &howmny, select, &n, a_t, &lda_t, b_t, &ldb_t,
|
|
vl_t, &ldvl_t, vr_t, &ldvr_t, s, dif, &mm, m, work,
|
|
&lwork, iwork, &info );
|
|
if( info < 0 ) {
|
|
info = info - 1;
|
|
}
|
|
/* Release memory and exit */
|
|
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
|
|
LAPACKE_free( vr_t );
|
|
}
|
|
exit_level_3:
|
|
if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
|
|
LAPACKE_free( vl_t );
|
|
}
|
|
exit_level_2:
|
|
LAPACKE_free( b_t );
|
|
exit_level_1:
|
|
LAPACKE_free( a_t );
|
|
exit_level_0:
|
|
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
|
|
LAPACKE_xerbla( "LAPACKE_stgsna_work", info );
|
|
}
|
|
} else {
|
|
info = -1;
|
|
LAPACKE_xerbla( "LAPACKE_stgsna_work", info );
|
|
}
|
|
return info;
|
|
}
|