LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
lapacke_cgejsv.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 high-level C interface to LAPACK function cgejsv
30 * Author: Intel Corporation
31 * Generated June 2016
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 lapack_int LAPACKE_cgejsv( int matrix_layout, char joba, char jobu, char jobv,
37  char jobr, char jobt, char jobp, lapack_int m,
38  lapack_int n, lapack_complex_float* a, lapack_int lda, float* sva,
39  lapack_complex_float* u, lapack_int ldu, lapack_complex_float* v, lapack_int ldv,
40  float* stat, lapack_int* istat )
41 {
42  lapack_int info = 0;
43  lapack_int lwork = (
44  // 1.1
45  ( LAPACKE_lsame( jobu, 'n' ) && LAPACKE_lsame( jobv, 'n' ) &&
46  ( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) )) ? 2*n+1 :
47 
48  //1.2
49  ( ( LAPACKE_lsame( jobu, 'n' ) && LAPACKE_lsame( jobv, 'n' ) &&
50  !( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) )) ? n*n+3*n :
51 
52  //2.1
53  ( ( ( LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' ) ) &&
54  !( LAPACKE_lsame( jobu, 'u') || LAPACKE_lsame( jobu, 'f' ) )&&
55  ( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? 3*n :
56 
57 
58  //2.2
59  ( ( ( LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' ) ) &&
60  !( LAPACKE_lsame( jobu, 'u' ) || LAPACKE_lsame( jobu, 'f' ) ) &&
61  !( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? 3*n :
62 
63  //3.1
64  ( ( ( LAPACKE_lsame( jobu, 'u' ) || LAPACKE_lsame( jobu, 'f' )) &&
65  !( LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' )) &&
66  ( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? 3*n :
67 
68  //3.2
69  ( ( ( LAPACKE_lsame( jobu, 'u' ) || LAPACKE_lsame( jobu, 'f' )) &&
70  !(LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' )) &&
71  !(LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? 3*n :
72 
73  //4.1
74  ( ( ( LAPACKE_lsame( jobu, 'u' ) || LAPACKE_lsame( jobu, 'f' ) ) &&
75  ( LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' ) ) &&
76  ( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? 5*n+2*n*n :
77 
78  //4.2
79  ( ( ( LAPACKE_lsame( jobu, 'u' ) || LAPACKE_lsame( jobu, 'f' ) ) &&
80  ( LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' ) ) &&
81  ( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? 4*n*n:
82  1) ) ) ) ) ) ) );
83  lapack_int lrwork = (
84  // 1.1
85  ( LAPACKE_lsame( jobu, 'n' ) && LAPACKE_lsame( jobv, 'n' ) &&
86  ( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) )) ? MAX(7,n+2*m) :
87 
88  //1.2
89  ( ( LAPACKE_lsame( jobu, 'n' ) && LAPACKE_lsame( jobv, 'n' ) &&
90  !( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) )) ? MAX(7,2*n) :
91 
92  //2.1
93  ( ( ( LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' ) ) &&
94  !( LAPACKE_lsame( jobu, 'u') || LAPACKE_lsame( jobu, 'f' ) ) &&
95  ( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? MAX( 7, n+ 2*m ) :
96 
97 
98  //2.2
99  ( ( ( LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' ) ) &&
100  !( LAPACKE_lsame( jobu, 'u' ) || LAPACKE_lsame( jobu, 'f' ) ) &&
101  !( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? MAX(7,2*n) :
102 
103  //3.1
104  ( ( ( LAPACKE_lsame( jobu, 'u' ) || LAPACKE_lsame( jobu, 'f' )) &&
105  !( LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' )) &&
106  ( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? MAX( 7, n+ 2*m ) :
107 
108  //3.2
109  ( ( ( LAPACKE_lsame( jobu, 'u' ) || LAPACKE_lsame( jobu, 'f' )) &&
110  !(LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' )) &&
111  !(LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? MAX(7,2*n) :
112 
113  //4.1
114  ( ( ( LAPACKE_lsame( jobu, 'u' ) || LAPACKE_lsame( jobu, 'f' ) ) &&
115  ( LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' ) ) &&
116  ( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? MAX( 7, n+ 2*m ) :
117 
118  //4.2
119  ( ( ( LAPACKE_lsame( jobu, 'u' ) || LAPACKE_lsame( jobu, 'f' ) ) &&
120  ( LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' ) ) &&
121  ( LAPACKE_lsame( jobt, 't' ) || LAPACKE_lsame( joba, 'f' ) || LAPACKE_lsame( joba, 'g' ) ))? MAX(7,2*n) :
122  7) ) ) ) ) ) ) );
123  lapack_int* iwork = NULL;
124  float* rwork = NULL;
125  lapack_complex_float* cwork = NULL;
126  lapack_int i;
127  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
128  LAPACKE_xerbla( "LAPACKE_cgejsv", -1 );
129  return -1;
130  }
131 #ifndef LAPACK_DISABLE_NAN_CHECK
132  if( LAPACKE_get_nancheck() ) {
133  /* Optionally check input matrices for NaNs */
134  if( LAPACKE_cge_nancheck( matrix_layout, m, n, a, lda ) ) {
135  return -10;
136  }
137  }
138 #endif
139  /* Allocate memory for working array(s) */
140  iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(3,m+2*n) );
141  if( iwork == NULL ) {
142  info = LAPACK_WORK_MEMORY_ERROR;
143  goto exit_level_0;
144  }
145  lwork = MAX( lwork, 1 );
146  { /* FIXUP LWORK */
147  int want_u = LAPACKE_lsame( jobu, 'u' ) || LAPACKE_lsame( jobu, 'f' );
148  int want_v = LAPACKE_lsame( jobv, 'v' ) || LAPACKE_lsame( jobv, 'j' );
149  int want_sce = LAPACKE_lsame( joba, 'e' ) || LAPACKE_lsame( joba, 'g' );
150  if( !want_u && !want_v && !want_sce ) lwork = MAX( lwork, 2*n+1 ); // 1.1
151  if( !want_u && !want_v && want_sce ) lwork = MAX( lwork, n*n+3*n ); // 1.2
152  if( want_u && LAPACKE_lsame( jobv, 'v' ) ) lwork = MAX( lwork, 5*n+2*n*n ); // 4.1
153  if( want_u && LAPACKE_lsame( jobv, 'j' ) ) lwork = MAX( lwork, 4*n+n*n ); // 4.2
154  }
155  cwork = (lapack_complex_float*)LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
156  if( cwork == NULL ) {
157  info = LAPACK_WORK_MEMORY_ERROR;
158  goto exit_level_1;
159  }
160  lrwork = MAX3( lrwork, 7, n+2*m );
161  rwork = (float*)LAPACKE_malloc( sizeof(float) * lrwork );
162  if( rwork == NULL ) {
163  info = LAPACK_WORK_MEMORY_ERROR;
164  goto exit_level_2;
165  }
166  /* Call middle-level interface */
167  info = LAPACKE_cgejsv_work( matrix_layout, joba, jobu, jobv, jobr, jobt,
168  jobp, m, n, a, lda, sva, u, ldu, v, ldv, cwork,
169  lwork, rwork, lrwork, iwork );
170  /* Backup significant data from working array(s) */
171  for( i=0; i<7; i++ ) {
172  stat[i] = rwork[i];
173  }
174  for( i=0; i<3; i++ ) {
175  istat[i] = iwork[i];
176  }
177  /* Release memory and exit */
178  LAPACKE_free( cwork );
179 exit_level_2:
180  LAPACKE_free( rwork );
181 exit_level_1:
182  LAPACKE_free( iwork );
183 exit_level_0:
184  if( info == LAPACK_WORK_MEMORY_ERROR ) {
185  LAPACKE_xerbla( "LAPACKE_cgejsv", info );
186  }
187  return info;
188 }
LAPACKE_free
#define LAPACKE_free(p)
Definition: lapacke.h:47
lapack_int
#define lapack_int
Definition: lapack.h:21
MAX3
#define MAX3(x, y, z)
Definition: lapacke_utils.h:53
lapacke_utils.h
LAPACK_WORK_MEMORY_ERROR
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:56
LAPACKE_xerbla
void LAPACKE_xerbla(const char *name, lapack_int info)
Definition: lapacke_xerbla.c:36
LAPACKE_cge_nancheck
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
Definition: lapacke_cge_nancheck.c:36
MAX
#define MAX(x, y)
Definition: lapacke_utils.h:47
LAPACKE_cgejsv_work
lapack_int LAPACKE_cgejsv_work(int matrix_layout, char joba, char jobu, char jobv, char jobr, char jobt, char jobp, lapack_int m, lapack_int n, lapack_complex_float *a, lapack_int lda, float *sva, lapack_complex_float *u, lapack_int ldu, lapack_complex_float *v, lapack_int ldv, lapack_complex_float *cwork, lapack_int lwork, float *work, lapack_int lrwork, lapack_int *iwork)
Definition: lapacke_cgejsv_work.c:35
lapack_complex_float
#define lapack_complex_float
Definition: lapack.h:56
LAPACKE_malloc
#define LAPACKE_malloc(size)
Definition: lapacke.h:44
LAPACKE_cgejsv
lapack_int LAPACKE_cgejsv(int matrix_layout, char joba, char jobu, char jobv, char jobr, char jobt, char jobp, lapack_int m, lapack_int n, lapack_complex_float *a, lapack_int lda, float *sva, lapack_complex_float *u, lapack_int ldu, lapack_complex_float *v, lapack_int ldv, float *stat, lapack_int *istat)
Definition: lapacke_cgejsv.c:35
LAPACKE_get_nancheck
int LAPACKE_get_nancheck()
Definition: lapacke_nancheck.c:42
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