LAPACK  3.10.0
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 35 of file lapacke_ctrsna_work.c.

43 {
44  lapack_int info = 0;
45  if( matrix_layout == LAPACK_COL_MAJOR ) {
46  /* Call LAPACK function and adjust info */
47  LAPACK_ctrsna( &job, &howmny, select, &n, t, &ldt, vl, &ldvl, vr, &ldvr,
48  s, sep, &mm, m, work, &ldwork, rwork, &info );
49  if( info < 0 ) {
50  info = info - 1;
51  }
52  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
53  lapack_int ldt_t = MAX(1,n);
54  lapack_int ldvl_t = MAX(1,n);
55  lapack_int ldvr_t = MAX(1,n);
56  lapack_complex_float* t_t = NULL;
57  lapack_complex_float* vl_t = NULL;
58  lapack_complex_float* vr_t = NULL;
59  /* Check leading dimension(s) */
60  if( ldt < n ) {
61  info = -7;
62  LAPACKE_xerbla( "LAPACKE_ctrsna_work", info );
63  return info;
64  }
65  if( ldvl < mm ) {
66  info = -9;
67  LAPACKE_xerbla( "LAPACKE_ctrsna_work", info );
68  return info;
69  }
70  if( ldvr < mm ) {
71  info = -11;
72  LAPACKE_xerbla( "LAPACKE_ctrsna_work", info );
73  return info;
74  }
75  /* Allocate memory for temporary array(s) */
76  t_t = (lapack_complex_float*)
77  LAPACKE_malloc( sizeof(lapack_complex_float) * ldt_t * MAX(1,n) );
78  if( t_t == NULL ) {
80  goto exit_level_0;
81  }
82  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
83  vl_t = (lapack_complex_float*)
85  ldvl_t * MAX(1,mm) );
86  if( vl_t == NULL ) {
88  goto exit_level_1;
89  }
90  }
91  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
92  vr_t = (lapack_complex_float*)
94  ldvr_t * MAX(1,mm) );
95  if( vr_t == NULL ) {
97  goto exit_level_2;
98  }
99  }
100  /* Transpose input matrices */
101  LAPACKE_cge_trans( matrix_layout, n, n, t, ldt, t_t, ldt_t );
102  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
103  LAPACKE_cge_trans( matrix_layout, n, mm, vl, ldvl, vl_t, ldvl_t );
104  }
105  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
106  LAPACKE_cge_trans( matrix_layout, n, mm, vr, ldvr, vr_t, ldvr_t );
107  }
108  /* Call LAPACK function and adjust info */
109  LAPACK_ctrsna( &job, &howmny, select, &n, t_t, &ldt_t, vl_t, &ldvl_t,
110  vr_t, &ldvr_t, s, sep, &mm, m, work, &ldwork, rwork,
111  &info );
112  if( info < 0 ) {
113  info = info - 1;
114  }
115  /* Release memory and exit */
116  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
117  LAPACKE_free( vr_t );
118  }
119 exit_level_2:
120  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
121  LAPACKE_free( vl_t );
122  }
123 exit_level_1:
124  LAPACKE_free( t_t );
125 exit_level_0:
126  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
127  LAPACKE_xerbla( "LAPACKE_ctrsna_work", info );
128  }
129  } else {
130  info = -1;
131  LAPACKE_xerbla( "LAPACKE_ctrsna_work", info );
132  }
133  return info;
134 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_ctrsna(...)
Definition: lapack.h:21839
#define lapack_complex_float
Definition: lapack.h:45
#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_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)
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