LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
lapacke_zggsvp3_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 zggsvp3
30 * Author: Intel Corporation
31 * Generated August, 2015
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 lapack_int LAPACKE_zggsvp3_work( int matrix_layout, char jobu, char jobv,
37  char jobq, lapack_int m, lapack_int p,
38  lapack_int n, lapack_complex_double* a,
39  lapack_int lda, lapack_complex_double* b,
40  lapack_int ldb, double tola, double tolb,
41  lapack_int* k, lapack_int* l,
42  lapack_complex_double* u, lapack_int ldu,
43  lapack_complex_double* v, lapack_int ldv,
44  lapack_complex_double* q, lapack_int ldq,
45  lapack_int* iwork, double* rwork,
46  lapack_complex_double* tau,
47  lapack_complex_double* work, lapack_int lwork )
48 {
49  lapack_int info = 0;
50  if( matrix_layout == LAPACK_COL_MAJOR ) {
51  /* Call LAPACK function and adjust info */
52  LAPACK_zggsvp3( &jobu, &jobv, &jobq, &m, &p, &n, a, &lda, b, &ldb, &tola,
53  &tolb, k, l, u, &ldu, v, &ldv, q, &ldq, iwork, rwork,
54  tau, work, &lwork, &info );
55  if( info < 0 ) {
56  info = info - 1;
57  }
58  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
59  lapack_int lda_t = MAX(1,m);
60  lapack_int ldb_t = MAX(1,p);
61  lapack_int ldq_t = MAX(1,n);
62  lapack_int ldu_t = MAX(1,m);
63  lapack_int ldv_t = MAX(1,p);
64  lapack_complex_double* a_t = NULL;
65  lapack_complex_double* b_t = NULL;
66  lapack_complex_double* u_t = NULL;
67  lapack_complex_double* v_t = NULL;
68  lapack_complex_double* q_t = NULL;
69  /* Check leading dimension(s) */
70  if( lda < n ) {
71  info = -9;
72  LAPACKE_xerbla( "LAPACKE_zggsvp3_work", info );
73  return info;
74  }
75  if( ldb < n ) {
76  info = -11;
77  LAPACKE_xerbla( "LAPACKE_zggsvp3_work", info );
78  return info;
79  }
80  if( ldq < n ) {
81  info = -21;
82  LAPACKE_xerbla( "LAPACKE_zggsvp3_work", info );
83  return info;
84  }
85  if( ldu < m ) {
86  info = -17;
87  LAPACKE_xerbla( "LAPACKE_zggsvp3_work", info );
88  return info;
89  }
90  if( ldv < p ) {
91  info = -19;
92  LAPACKE_xerbla( "LAPACKE_zggsvp3_work", info );
93  return info;
94  }
95  /* Query optimal working array(s) size if requested */
96  if( lwork == -1 ) {
97  LAPACK_zggsvp3( &jobu, &jobv, &jobq, &m, &p, &n, a, &lda_t, b,
98  &ldb_t, &tola, &tolb, k, l, u, &ldu_t, v,
99  &ldv_t, q, &ldq_t, iwork, rwork, tau, work,
100  &lwork, &info );
101  return (info < 0) ? (info - 1) : info;
102  }
103  /* Allocate memory for temporary array(s) */
104  a_t = (lapack_complex_double*)
105  LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
106  if( a_t == NULL ) {
107  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
108  goto exit_level_0;
109  }
110  b_t = (lapack_complex_double*)
111  LAPACKE_malloc( sizeof(lapack_complex_double) * ldb_t * MAX(1,n) );
112  if( b_t == NULL ) {
113  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
114  goto exit_level_1;
115  }
116  if( LAPACKE_lsame( jobu, 'u' ) ) {
117  u_t = (lapack_complex_double*)
118  LAPACKE_malloc( sizeof(lapack_complex_double) *
119  ldu_t * MAX(1,m) );
120  if( u_t == NULL ) {
121  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
122  goto exit_level_2;
123  }
124  }
125  if( LAPACKE_lsame( jobv, 'v' ) ) {
126  v_t = (lapack_complex_double*)
127  LAPACKE_malloc( sizeof(lapack_complex_double) *
128  ldv_t * MAX(1,p) );
129  if( v_t == NULL ) {
130  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
131  goto exit_level_3;
132  }
133  }
134  if( LAPACKE_lsame( jobq, 'q' ) ) {
135  q_t = (lapack_complex_double*)
136  LAPACKE_malloc( sizeof(lapack_complex_double) *
137  ldq_t * MAX(1,n) );
138  if( q_t == NULL ) {
139  info = LAPACK_TRANSPOSE_MEMORY_ERROR;
140  goto exit_level_4;
141  }
142  }
143  /* Transpose input matrices */
144  LAPACKE_zge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
145  LAPACKE_zge_trans( matrix_layout, p, n, b, ldb, b_t, ldb_t );
146  /* Call LAPACK function and adjust info */
147  LAPACK_zggsvp3( &jobu, &jobv, &jobq, &m, &p, &n, a_t, &lda_t, b_t,
148  &ldb_t, &tola, &tolb, k, l, u_t, &ldu_t, v_t, &ldv_t,
149  q_t, &ldq_t, iwork, rwork, tau, work, &lwork, &info );
150  if( info < 0 ) {
151  info = info - 1;
152  }
153  /* Transpose output matrices */
154  LAPACKE_zge_trans( LAPACK_COL_MAJOR, m, n, a_t, lda_t, a, lda );
155  LAPACKE_zge_trans( LAPACK_COL_MAJOR, p, n, b_t, ldb_t, b, ldb );
156  if( LAPACKE_lsame( jobu, 'u' ) ) {
157  LAPACKE_zge_trans( LAPACK_COL_MAJOR, m, m, u_t, ldu_t, u, ldu );
158  }
159  if( LAPACKE_lsame( jobv, 'v' ) ) {
160  LAPACKE_zge_trans( LAPACK_COL_MAJOR, p, p, v_t, ldv_t, v, ldv );
161  }
162  if( LAPACKE_lsame( jobq, 'q' ) ) {
163  LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, q_t, ldq_t, q, ldq );
164  }
165  /* Release memory and exit */
166  if( LAPACKE_lsame( jobq, 'q' ) ) {
167  LAPACKE_free( q_t );
168  }
169 exit_level_4:
170  if( LAPACKE_lsame( jobv, 'v' ) ) {
171  LAPACKE_free( v_t );
172  }
173 exit_level_3:
174  if( LAPACKE_lsame( jobu, 'u' ) ) {
175  LAPACKE_free( u_t );
176  }
177 exit_level_2:
178  LAPACKE_free( b_t );
179 exit_level_1:
180  LAPACKE_free( a_t );
181 exit_level_0:
182  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
183  LAPACKE_xerbla( "LAPACKE_zggsvp3_work", info );
184  }
185  } else {
186  info = -1;
187  LAPACKE_xerbla( "LAPACKE_zggsvp3_work", info );
188  }
189  return info;
190 }
LAPACKE_free
#define LAPACKE_free(p)
Definition: lapacke.h:47
lapack_int
#define lapack_int
Definition: lapack.h:21
lapacke_utils.h
LAPACKE_zggsvp3_work
lapack_int LAPACKE_zggsvp3_work(int matrix_layout, char jobu, char jobv, char jobq, lapack_int m, lapack_int p, lapack_int n, lapack_complex_double *a, lapack_int lda, lapack_complex_double *b, lapack_int ldb, double tola, double tolb, lapack_int *k, lapack_int *l, lapack_complex_double *u, lapack_int ldu, lapack_complex_double *v, lapack_int ldv, lapack_complex_double *q, lapack_int ldq, lapack_int *iwork, double *rwork, lapack_complex_double *tau, lapack_complex_double *work, lapack_int lwork)
Definition: lapacke_zggsvp3_work.c:35
LAPACK_zggsvp3
void LAPACK_zggsvp3(char const *jobu, char const *jobv, char const *jobq, lapack_int const *m, lapack_int const *p, lapack_int const *n, lapack_complex_double *A, lapack_int const *lda, lapack_complex_double *B, lapack_int const *ldb, double const *tola, double const *tolb, lapack_int *k, lapack_int *l, lapack_complex_double *U, lapack_int const *ldu, lapack_complex_double *V, lapack_int const *ldv, lapack_complex_double *Q, lapack_int const *ldq, lapack_int *iwork, double *rwork, lapack_complex_double *tau, lapack_complex_double *work, lapack_int const *lwork, lapack_int *info)
LAPACKE_xerbla
void LAPACKE_xerbla(const char *name, lapack_int info)
Definition: lapacke_xerbla.c:36
MAX
#define MAX(x, y)
Definition: lapacke_utils.h:47
LAPACK_TRANSPOSE_MEMORY_ERROR
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:57
lapack_complex_double
#define lapack_complex_double
Definition: lapack.h:70
LAPACKE_malloc
#define LAPACKE_malloc(size)
Definition: lapacke.h:44
LAPACKE_lsame
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
LAPACK_ROW_MAJOR
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:53
LAPACK_COL_MAJOR
#define LAPACK_COL_MAJOR
Definition: lapacke.h:54
LAPACKE_zge_trans
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)
Definition: lapacke_zge_trans.c:39