LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ctrsna_work()

lapack_int LAPACKE_ctrsna_work ( int  matrix_layout,
char  job,
char  howmny,
const lapack_logical select,
lapack_int  n,
const lapack_complex_float t,
lapack_int  ldt,
const lapack_complex_float vl,
lapack_int  ldvl,
const lapack_complex_float vr,
lapack_int  ldvr,
float *  s,
float *  sep,
lapack_int  mm,
lapack_int m,
lapack_complex_float work,
lapack_int  ldwork,
float *  rwork 
)

Definition at line 36 of file lapacke_ctrsna_work.c.

44 {
45  lapack_int info = 0;
46  if( matrix_layout == LAPACK_COL_MAJOR ) {
47  /* Call LAPACK function and adjust info */
48  LAPACK_ctrsna( &job, &howmny, select, &n, t, &ldt, vl, &ldvl, vr, &ldvr,
49  s, sep, &mm, m, work, &ldwork, rwork, &info );
50  if( info < 0 ) {
51  info = info - 1;
52  }
53  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
54  lapack_int ldt_t = MAX(1,n);
55  lapack_int ldvl_t = MAX(1,n);
56  lapack_int ldvr_t = MAX(1,n);
57  lapack_complex_float* t_t = NULL;
58  lapack_complex_float* vl_t = NULL;
59  lapack_complex_float* vr_t = NULL;
60  /* Check leading dimension(s) */
61  if( ldt < n ) {
62  info = -7;
63  LAPACKE_xerbla( "LAPACKE_ctrsna_work", info );
64  return info;
65  }
66  if( ldvl < mm ) {
67  info = -9;
68  LAPACKE_xerbla( "LAPACKE_ctrsna_work", info );
69  return info;
70  }
71  if( ldvr < mm ) {
72  info = -11;
73  LAPACKE_xerbla( "LAPACKE_ctrsna_work", info );
74  return info;
75  }
76  /* Allocate memory for temporary array(s) */
77  t_t = (lapack_complex_float*)
78  LAPACKE_malloc( sizeof(lapack_complex_float) * ldt_t * MAX(1,n) );
79  if( t_t == NULL ) {
81  goto exit_level_0;
82  }
83  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
84  vl_t = (lapack_complex_float*)
86  ldvl_t * MAX(1,mm) );
87  if( vl_t == NULL ) {
89  goto exit_level_1;
90  }
91  }
92  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
93  vr_t = (lapack_complex_float*)
95  ldvr_t * MAX(1,mm) );
96  if( vr_t == NULL ) {
98  goto exit_level_2;
99  }
100  }
101  /* Transpose input matrices */
102  LAPACKE_cge_trans( matrix_layout, n, n, t, ldt, t_t, ldt_t );
103  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
104  LAPACKE_cge_trans( matrix_layout, n, mm, vl, ldvl, vl_t, ldvl_t );
105  }
106  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
107  LAPACKE_cge_trans( matrix_layout, n, mm, vr, ldvr, vr_t, ldvr_t );
108  }
109  /* Call LAPACK function and adjust info */
110  LAPACK_ctrsna( &job, &howmny, select, &n, t_t, &ldt_t, vl_t, &ldvl_t,
111  vr_t, &ldvr_t, s, sep, &mm, m, work, &ldwork, rwork,
112  &info );
113  if( info < 0 ) {
114  info = info - 1;
115  }
116  /* Release memory and exit */
117  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
118  LAPACKE_free( vr_t );
119  }
120 exit_level_2:
121  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
122  LAPACKE_free( vl_t );
123  }
124 exit_level_1:
125  LAPACKE_free( t_t );
126 exit_level_0:
127  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
128  LAPACKE_xerbla( "LAPACKE_ctrsna_work", info );
129  }
130  } else {
131  info = -1;
132  LAPACKE_xerbla( "LAPACKE_ctrsna_work", info );
133  }
134  return info;
135 }
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)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_float
Definition: lapacke.h:74
void LAPACK_ctrsna(char *job, char *howmny, const lapack_logical *select, lapack_int *n, const lapack_complex_float *t, lapack_int *ldt, const lapack_complex_float *vl, lapack_int *ldvl, const lapack_complex_float *vr, lapack_int *ldvr, float *s, float *sep, lapack_int *mm, lapack_int *m, lapack_complex_float *work, lapack_int *ldwork, float *rwork, lapack_int *info)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#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
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