LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ctrevc()

lapack_int LAPACKE_ctrevc ( int  matrix_layout,
char  side,
char  howmny,
const lapack_logical select,
lapack_int  n,
lapack_complex_float t,
lapack_int  ldt,
lapack_complex_float vl,
lapack_int  ldvl,
lapack_complex_float vr,
lapack_int  ldvr,
lapack_int  mm,
lapack_int m 
)

Definition at line 35 of file lapacke_ctrevc.c.

41 {
42  lapack_int info = 0;
43  float* rwork = NULL;
44  lapack_complex_float* work = NULL;
45  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46  LAPACKE_xerbla( "LAPACKE_ctrevc", -1 );
47  return -1;
48  }
49 #ifndef LAPACK_DISABLE_NAN_CHECK
50  if( LAPACKE_get_nancheck() ) {
51  /* Optionally check input matrices for NaNs */
52  if( LAPACKE_cge_nancheck( matrix_layout, n, n, t, ldt ) ) {
53  return -6;
54  }
55  if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'l' ) ) {
56  if( LAPACKE_cge_nancheck( matrix_layout, n, mm, vl, ldvl ) ) {
57  return -8;
58  }
59  }
60  if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'r' ) ) {
61  if( LAPACKE_cge_nancheck( matrix_layout, n, mm, vr, ldvr ) ) {
62  return -10;
63  }
64  }
65  }
66 #endif
67  /* Allocate memory for working array(s) */
68  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
69  if( rwork == NULL ) {
71  goto exit_level_0;
72  }
73  work = (lapack_complex_float*)
74  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
75  if( work == NULL ) {
77  goto exit_level_1;
78  }
79  /* Call middle-level interface */
80  info = LAPACKE_ctrevc_work( matrix_layout, side, howmny, select, n, t, ldt,
81  vl, ldvl, vr, ldvr, mm, m, work, rwork );
82  /* Release memory and exit */
83  LAPACKE_free( work );
84 exit_level_1:
85  LAPACKE_free( rwork );
86 exit_level_0:
87  if( info == LAPACK_WORK_MEMORY_ERROR ) {
88  LAPACKE_xerbla( "LAPACKE_ctrevc", info );
89  }
90  return info;
91 }
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_float
Definition: lapack.h:45
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
lapack_int LAPACKE_ctrevc_work(int matrix_layout, char side, char howmny, const lapack_logical *select, lapack_int n, lapack_complex_float *t, lapack_int ldt, 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)
#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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