LAPACK  3.8.0
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 36 of file lapacke_ctrevc.c.

42 {
43  lapack_int info = 0;
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_ctrevc", -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( side, 'b' ) || LAPACKE_lsame( side, 'l' ) ) {
57  if( LAPACKE_cge_nancheck( matrix_layout, n, mm, vl, ldvl ) ) {
58  return -8;
59  }
60  }
61  if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'r' ) ) {
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  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
70  if( rwork == NULL ) {
72  goto exit_level_0;
73  }
74  work = (lapack_complex_float*)
75  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
76  if( work == NULL ) {
78  goto exit_level_1;
79  }
80  /* Call middle-level interface */
81  info = LAPACKE_ctrevc_work( matrix_layout, side, howmny, select, n, t, ldt,
82  vl, ldvl, vr, ldvr, mm, m, work, rwork );
83  /* Release memory and exit */
84  LAPACKE_free( work );
85 exit_level_1:
86  LAPACKE_free( rwork );
87 exit_level_0:
88  if( info == LAPACK_WORK_MEMORY_ERROR ) {
89  LAPACKE_xerbla( "LAPACKE_ctrevc", info );
90  }
91  return info;
92 }
#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)
#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
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)
int LAPACKE_get_nancheck()
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