LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapacke_ztrsna_work.c
Go to the documentation of this file.
1 /*****************************************************************************
2  Copyright (c) 2014, Intel Corp.
3  All rights reserved.
4 
5  Redistribution and use in source and binary forms, with or without
6  modification, are permitted provided that the following conditions are met:
7 
8  * Redistributions of source code must retain the above copyright notice,
9  this list of conditions and the following disclaimer.
10  * Redistributions in binary form must reproduce the above copyright
11  notice, this list of conditions and the following disclaimer in the
12  documentation and/or other materials provided with the distribution.
13  * Neither the name of Intel Corporation nor the names of its contributors
14  may be used to endorse or promote products derived from this software
15  without specific prior written permission.
16 
17  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27  THE POSSIBILITY OF SUCH DAMAGE.
28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function ztrsna
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 lapack_int LAPACKE_ztrsna_work( int matrix_layout, char job, char howmny,
37  const lapack_logical* select, lapack_int n,
38  const lapack_complex_double* t, lapack_int ldt,
39  const lapack_complex_double* vl,
40  lapack_int ldvl,
41  const lapack_complex_double* vr,
42  lapack_int ldvr, double* s, double* sep,
43  lapack_int mm, lapack_int* m,
44  lapack_complex_double* work, lapack_int ldwork,
45  double* rwork )
46 {
47  lapack_int info = 0;
48  if( matrix_layout == LAPACK_COL_MAJOR ) {
49  /* Call LAPACK function and adjust info */
50  LAPACK_ztrsna( &job, &howmny, select, &n, t, &ldt, vl, &ldvl, vr, &ldvr,
51  s, sep, &mm, m, work, &ldwork, rwork, &info );
52  if( info < 0 ) {
53  info = info - 1;
54  }
55  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
56  lapack_int ldt_t = MAX(1,n);
57  lapack_int ldvl_t = MAX(1,n);
58  lapack_int ldvr_t = MAX(1,n);
59  lapack_complex_double* t_t = NULL;
60  lapack_complex_double* vl_t = NULL;
61  lapack_complex_double* vr_t = NULL;
62  /* Check leading dimension(s) */
63  if( ldt < n ) {
64  info = -7;
65  LAPACKE_xerbla( "LAPACKE_ztrsna_work", info );
66  return info;
67  }
68  if( ldvl < mm ) {
69  info = -9;
70  LAPACKE_xerbla( "LAPACKE_ztrsna_work", info );
71  return info;
72  }
73  if( ldvr < mm ) {
74  info = -11;
75  LAPACKE_xerbla( "LAPACKE_ztrsna_work", info );
76  return info;
77  }
78  /* Allocate memory for temporary array(s) */
79  t_t = (lapack_complex_double*)
80  LAPACKE_malloc( sizeof(lapack_complex_double) * ldt_t * MAX(1,n) );
81  if( t_t == NULL ) {
83  goto exit_level_0;
84  }
85  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
86  vl_t = (lapack_complex_double*)
88  ldvl_t * MAX(1,mm) );
89  if( vl_t == NULL ) {
91  goto exit_level_1;
92  }
93  }
94  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
95  vr_t = (lapack_complex_double*)
97  ldvr_t * MAX(1,mm) );
98  if( vr_t == NULL ) {
100  goto exit_level_2;
101  }
102  }
103  /* Transpose input matrices */
104  LAPACKE_zge_trans( matrix_layout, n, n, t, ldt, t_t, ldt_t );
105  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
106  LAPACKE_zge_trans( matrix_layout, n, mm, vl, ldvl, vl_t, ldvl_t );
107  }
108  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
109  LAPACKE_zge_trans( matrix_layout, n, mm, vr, ldvr, vr_t, ldvr_t );
110  }
111  /* Call LAPACK function and adjust info */
112  LAPACK_ztrsna( &job, &howmny, select, &n, t_t, &ldt_t, vl_t, &ldvl_t,
113  vr_t, &ldvr_t, s, sep, &mm, m, work, &ldwork, rwork,
114  &info );
115  if( info < 0 ) {
116  info = info - 1;
117  }
118  /* Release memory and exit */
119  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
120  LAPACKE_free( vr_t );
121  }
122 exit_level_2:
123  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
124  LAPACKE_free( vl_t );
125  }
126 exit_level_1:
127  LAPACKE_free( t_t );
128 exit_level_0:
129  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
130  LAPACKE_xerbla( "LAPACKE_ztrsna_work", info );
131  }
132  } else {
133  info = -1;
134  LAPACKE_xerbla( "LAPACKE_ztrsna_work", info );
135  }
136  return info;
137 }
lapack_int LAPACKE_ztrsna_work(int matrix_layout, char job, char howmny, const lapack_logical *select, lapack_int n, const lapack_complex_double *t, lapack_int ldt, const lapack_complex_double *vl, lapack_int ldvl, const lapack_complex_double *vr, lapack_int ldvr, double *s, double *sep, lapack_int mm, lapack_int *m, lapack_complex_double *work, lapack_int ldwork, double *rwork)
#define lapack_logical
Definition: lapacke.h:51
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define lapack_complex_double
Definition: lapacke.h:90
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123
void LAPACKE_zge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
void LAPACK_ztrsna(char *job, char *howmny, const lapack_logical *select, lapack_int *n, const lapack_complex_double *t, lapack_int *ldt, const lapack_complex_double *vl, lapack_int *ldvl, const lapack_complex_double *vr, lapack_int *ldvr, double *s, double *sep, lapack_int *mm, lapack_int *m, lapack_complex_double *work, lapack_int *ldwork, double *rwork, lapack_int *info)