LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ctrsna()

lapack_int LAPACKE_ctrsna ( 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 
)

Definition at line 35 of file lapacke_ctrsna.c.

41 {
42  lapack_int info = 0;
43  lapack_int ldwork = LAPACKE_lsame( job, 'e' ) ? 1 : MAX(1,n) ;
44  float* rwork = NULL;
45  lapack_complex_float* work = NULL;
46  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
47  LAPACKE_xerbla( "LAPACKE_ctrsna", -1 );
48  return -1;
49  }
50 #ifndef LAPACK_DISABLE_NAN_CHECK
51  if( LAPACKE_get_nancheck() ) {
52  /* Optionally check input matrices for NaNs */
53  if( LAPACKE_cge_nancheck( matrix_layout, n, n, t, ldt ) ) {
54  return -6;
55  }
56  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
57  if( LAPACKE_cge_nancheck( matrix_layout, n, mm, vl, ldvl ) ) {
58  return -8;
59  }
60  }
61  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'e' ) ) {
62  if( LAPACKE_cge_nancheck( matrix_layout, n, mm, vr, ldvr ) ) {
63  return -10;
64  }
65  }
66  }
67 #endif
68  /* Allocate memory for working array(s) */
69  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'v' ) ) {
70  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
71  if( rwork == NULL ) {
73  goto exit_level_0;
74  }
75  }
76  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'v' ) ) {
77  work = (lapack_complex_float*)
79  ldwork * MAX(1,n+6) );
80  if( work == NULL ) {
82  goto exit_level_1;
83  }
84  }
85  /* Call middle-level interface */
86  info = LAPACKE_ctrsna_work( matrix_layout, job, howmny, select, n, t, ldt,
87  vl, ldvl, vr, ldvr, s, sep, mm, m, work, ldwork,
88  rwork );
89  /* Release memory and exit */
90  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'v' ) ) {
91  LAPACKE_free( work );
92  }
93 exit_level_1:
94  if( LAPACKE_lsame( job, 'b' ) || LAPACKE_lsame( job, 'v' ) ) {
95  LAPACKE_free( rwork );
96  }
97 exit_level_0:
98  if( info == LAPACK_WORK_MEMORY_ERROR ) {
99  LAPACKE_xerbla( "LAPACKE_ctrsna", info );
100  }
101  return info;
102 }
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_float
Definition: lapack.h:45
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)
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
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
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
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