LAPACK  3.10.0
LAPACK: Linear Algebra PACKage
lapacke_ctgevc_work.c
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28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function ctgevc
30 * Author: Intel Corporation
31 *****************************************************************************/
32 
33 #include "lapacke_utils.h"
34 
35 lapack_int LAPACKE_ctgevc_work( int matrix_layout, char side, char howmny,
36  const lapack_logical* select, lapack_int n,
37  const lapack_complex_float* s, lapack_int lds,
38  const lapack_complex_float* p, lapack_int ldp,
41  lapack_int mm, lapack_int* m,
42  lapack_complex_float* work, float* rwork )
43 {
44  lapack_int info = 0;
45  if( matrix_layout == LAPACK_COL_MAJOR ) {
46  /* Call LAPACK function and adjust info */
47  LAPACK_ctgevc( &side, &howmny, select, &n, s, &lds, p, &ldp, vl, &ldvl,
48  vr, &ldvr, &mm, m, work, rwork, &info );
49  if( info < 0 ) {
50  info = info - 1;
51  }
52  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
53  lapack_int ldp_t = MAX(1,n);
54  lapack_int lds_t = MAX(1,n);
55  lapack_int ldvl_t = MAX(1,n);
56  lapack_int ldvr_t = MAX(1,n);
57  lapack_complex_float* s_t = NULL;
58  lapack_complex_float* p_t = NULL;
59  lapack_complex_float* vl_t = NULL;
60  lapack_complex_float* vr_t = NULL;
61  /* Check leading dimension(s) */
62  if( ldp < n ) {
63  info = -9;
64  LAPACKE_xerbla( "LAPACKE_ctgevc_work", info );
65  return info;
66  }
67  if( lds < n ) {
68  info = -7;
69  LAPACKE_xerbla( "LAPACKE_ctgevc_work", info );
70  return info;
71  }
72  if( ldvl < mm ) {
73  info = -11;
74  LAPACKE_xerbla( "LAPACKE_ctgevc_work", info );
75  return info;
76  }
77  if( ldvr < mm ) {
78  info = -13;
79  LAPACKE_xerbla( "LAPACKE_ctgevc_work", info );
80  return info;
81  }
82  /* Allocate memory for temporary array(s) */
83  s_t = (lapack_complex_float*)
84  LAPACKE_malloc( sizeof(lapack_complex_float) * lds_t * MAX(1,n) );
85  if( s_t == NULL ) {
87  goto exit_level_0;
88  }
89  p_t = (lapack_complex_float*)
90  LAPACKE_malloc( sizeof(lapack_complex_float) * ldp_t * MAX(1,n) );
91  if( p_t == NULL ) {
93  goto exit_level_1;
94  }
95  if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'l' ) ) {
96  vl_t = (lapack_complex_float*)
98  ldvl_t * MAX(1,mm) );
99  if( vl_t == NULL ) {
101  goto exit_level_2;
102  }
103  }
104  if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'r' ) ) {
105  vr_t = (lapack_complex_float*)
107  ldvr_t * MAX(1,mm) );
108  if( vr_t == NULL ) {
110  goto exit_level_3;
111  }
112  }
113  /* Transpose input matrices */
114  LAPACKE_cge_trans( matrix_layout, n, n, s, lds, s_t, lds_t );
115  LAPACKE_cge_trans( matrix_layout, n, n, p, ldp, p_t, ldp_t );
116  if( ( LAPACKE_lsame( side, 'l' ) || LAPACKE_lsame( side, 'b' ) ) &&
117  LAPACKE_lsame( howmny, 'b' ) ) {
118  LAPACKE_cge_trans( matrix_layout, n, mm, vl, ldvl, vl_t, ldvl_t );
119  }
120  if( ( LAPACKE_lsame( side, 'r' ) || LAPACKE_lsame( side, 'b' ) ) &&
121  LAPACKE_lsame( howmny, 'b' ) ) {
122  LAPACKE_cge_trans( matrix_layout, n, mm, vr, ldvr, vr_t, ldvr_t );
123  }
124  /* Call LAPACK function and adjust info */
125  LAPACK_ctgevc( &side, &howmny, select, &n, s_t, &lds_t, p_t, &ldp_t,
126  vl_t, &ldvl_t, vr_t, &ldvr_t, &mm, m, work, rwork,
127  &info );
128  if( info < 0 ) {
129  info = info - 1;
130  }
131  /* Transpose output matrices */
132  if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'l' ) ) {
133  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, mm, vl_t, ldvl_t, vl,
134  ldvl );
135  }
136  if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'r' ) ) {
137  LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, mm, vr_t, ldvr_t, vr,
138  ldvr );
139  }
140  /* Release memory and exit */
141  if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'r' ) ) {
142  LAPACKE_free( vr_t );
143  }
144 exit_level_3:
145  if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'l' ) ) {
146  LAPACKE_free( vl_t );
147  }
148 exit_level_2:
149  LAPACKE_free( p_t );
150 exit_level_1:
151  LAPACKE_free( s_t );
152 exit_level_0:
153  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
154  LAPACKE_xerbla( "LAPACKE_ctgevc_work", info );
155  }
156  } else {
157  info = -1;
158  LAPACKE_xerbla( "LAPACKE_ctgevc_work", info );
159  }
160  return info;
161 }
#define LAPACK_ctgevc(...)
Definition: lapack.h:20058
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_float
Definition: lapack.h:45
#define lapack_logical
Definition: lapack.h:87
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
lapack_int LAPACKE_ctgevc_work(int matrix_layout, char side, char howmny, const lapack_logical *select, lapack_int n, const lapack_complex_float *s, lapack_int lds, const lapack_complex_float *p, lapack_int ldp, lapack_complex_float *vl, lapack_int ldvl, lapack_complex_float *vr, lapack_int ldvr, lapack_int mm, lapack_int *m, lapack_complex_float *work, float *rwork)
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_cge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)