LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ctrsen()

lapack_int LAPACKE_ctrsen ( int  matrix_layout,
char  job,
char  compq,
const lapack_logical select,
lapack_int  n,
lapack_complex_float t,
lapack_int  ldt,
lapack_complex_float q,
lapack_int  ldq,
lapack_complex_float w,
lapack_int m,
float *  s,
float *  sep 
)

Definition at line 36 of file lapacke_ctrsen.c.

42 {
43  lapack_int info = 0;
44  lapack_int lwork = -1;
45  lapack_complex_float* work = NULL;
46  lapack_complex_float work_query;
47  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48  LAPACKE_xerbla( "LAPACKE_ctrsen", -1 );
49  return -1;
50  }
51 #ifndef LAPACK_DISABLE_NAN_CHECK
52  /* Optionally check input matrices for NaNs */
53  if( LAPACKE_lsame( compq, 'v' ) ) {
54  if( LAPACKE_cge_nancheck( matrix_layout, n, n, q, ldq ) ) {
55  return -8;
56  }
57  }
58  if( LAPACKE_cge_nancheck( matrix_layout, n, n, t, ldt ) ) {
59  return -6;
60  }
61 #endif
62  /* Query optimal working array(s) size */
63  info = LAPACKE_ctrsen_work( matrix_layout, job, compq, select, n, t, ldt, q,
64  ldq, w, m, s, sep, &work_query, lwork );
65  if( info != 0 ) {
66  goto exit_level_0;
67  }
68  lwork = LAPACK_C2INT( work_query );
69  /* Allocate memory for work arrays */
70  work = (lapack_complex_float*)
71  LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
72  if( work == NULL ) {
74  goto exit_level_0;
75  }
76  /* Call middle-level interface */
77  info = LAPACKE_ctrsen_work( matrix_layout, job, compq, select, n, t, ldt, q,
78  ldq, w, m, s, sep, work, lwork );
79  /* Release memory and exit */
80  LAPACKE_free( work );
81 exit_level_0:
82  if( info == LAPACK_WORK_MEMORY_ERROR ) {
83  LAPACKE_xerbla( "LAPACKE_ctrsen", info );
84  }
85  return info;
86 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_float
Definition: lapacke.h:74
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
lapack_int LAPACKE_ctrsen_work(int matrix_layout, char job, char compq, const lapack_logical *select, lapack_int n, lapack_complex_float *t, lapack_int ldt, lapack_complex_float *q, lapack_int ldq, lapack_complex_float *w, lapack_int *m, float *s, float *sep, lapack_complex_float *work, lapack_int lwork)
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACK_C2INT(x)
Definition: lapacke.h:116
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
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