LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ctgevc()

lapack_int LAPACKE_ctgevc ( int  matrix_layout,
char  side,
char  howmny,
const lapack_logical select,
lapack_int  n,
const lapack_complex_float s,
lapack_int  lds,
const lapack_complex_float p,
lapack_int  ldp,
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_ctgevc.c.

43 {
44  lapack_int info = 0;
45  float* rwork = NULL;
46  lapack_complex_float* work = NULL;
47  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48  LAPACKE_xerbla( "LAPACKE_ctgevc", -1 );
49  return -1;
50  }
51 #ifndef LAPACK_DISABLE_NAN_CHECK
52  if( LAPACKE_get_nancheck() ) {
53  /* Optionally check input matrices for NaNs */
54  if( LAPACKE_cge_nancheck( matrix_layout, n, n, p, ldp ) ) {
55  return -8;
56  }
57  if( LAPACKE_cge_nancheck( matrix_layout, n, n, s, lds ) ) {
58  return -6;
59  }
60  if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'l' ) ) {
61  if( LAPACKE_cge_nancheck( matrix_layout, n, mm, vl, ldvl ) ) {
62  return -10;
63  }
64  }
65  if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'r' ) ) {
66  if( LAPACKE_cge_nancheck( matrix_layout, n, mm, vr, ldvr ) ) {
67  return -12;
68  }
69  }
70  }
71 #endif
72  /* Allocate memory for working array(s) */
73  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) );
74  if( rwork == NULL ) {
76  goto exit_level_0;
77  }
78  work = (lapack_complex_float*)
79  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
80  if( work == NULL ) {
82  goto exit_level_1;
83  }
84  /* Call middle-level interface */
85  info = LAPACKE_ctgevc_work( matrix_layout, side, howmny, select, n, s, lds,
86  p, ldp, vl, ldvl, vr, ldvr, mm, m, work,
87  rwork );
88  /* Release memory and exit */
89  LAPACKE_free( work );
90 exit_level_1:
91  LAPACKE_free( rwork );
92 exit_level_0:
93  if( info == LAPACK_WORK_MEMORY_ERROR ) {
94  LAPACKE_xerbla( "LAPACKE_ctgevc", info );
95  }
96  return info;
97 }
#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_ctgevc_work(int matrix_layout, char side, char howmny, const lapack_logical *select, lapack_int n, const lapack_complex_float *s, lapack_int lds, const lapack_complex_float *p, lapack_int ldp, 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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