LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ztbcon()

lapack_int LAPACKE_ztbcon ( int  matrix_layout,
char  norm,
char  uplo,
char  diag,
lapack_int  n,
lapack_int  kd,
const lapack_complex_double ab,
lapack_int  ldab,
double *  rcond 
)

Definition at line 36 of file lapacke_ztbcon.c.

40 {
41  lapack_int info = 0;
42  double* rwork = NULL;
43  lapack_complex_double* work = NULL;
44  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45  LAPACKE_xerbla( "LAPACKE_ztbcon", -1 );
46  return -1;
47  }
48 #ifndef LAPACK_DISABLE_NAN_CHECK
49  /* Optionally check input matrices for NaNs */
50  if( LAPACKE_ztb_nancheck( matrix_layout, uplo, diag, n, kd, ab, ldab ) ) {
51  return -7;
52  }
53 #endif
54  /* Allocate memory for working array(s) */
55  rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
56  if( rwork == NULL ) {
58  goto exit_level_0;
59  }
60  work = (lapack_complex_double*)
61  LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
62  if( work == NULL ) {
64  goto exit_level_1;
65  }
66  /* Call middle-level interface */
67  info = LAPACKE_ztbcon_work( matrix_layout, norm, uplo, diag, n, kd, ab, ldab,
68  rcond, work, rwork );
69  /* Release memory and exit */
70  LAPACKE_free( work );
71 exit_level_1:
72  LAPACKE_free( rwork );
73 exit_level_0:
74  if( info == LAPACK_WORK_MEMORY_ERROR ) {
75  LAPACKE_xerbla( "LAPACKE_ztbcon", info );
76  }
77  return info;
78 }
lapack_int LAPACKE_ztbcon_work(int matrix_layout, char norm, char uplo, char diag, lapack_int n, lapack_int kd, const lapack_complex_double *ab, lapack_int ldab, double *rcond, lapack_complex_double *work, double *rwork)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
lapack_logical LAPACKE_ztb_nancheck(int matrix_layout, char uplo, char diag, lapack_int n, lapack_int kd, const lapack_complex_double *ab, lapack_int ldab)
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_double
Definition: lapacke.h:90
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
Here is the call graph for this function: