LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zptcon()

lapack_int LAPACKE_zptcon ( lapack_int  n,
const double *  d,
const lapack_complex_double e,
double  anorm,
double *  rcond 
)

Definition at line 36 of file lapacke_zptcon.c.

39 {
40  lapack_int info = 0;
41  double* work = NULL;
42 #ifndef LAPACK_DISABLE_NAN_CHECK
43  if( LAPACKE_get_nancheck() ) {
44  /* Optionally check input matrices for NaNs */
45  if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
46  return -4;
47  }
48  if( LAPACKE_d_nancheck( n, d, 1 ) ) {
49  return -2;
50  }
51  if( LAPACKE_z_nancheck( n-1, e, 1 ) ) {
52  return -3;
53  }
54  }
55 #endif
56  /* Allocate memory for working array(s) */
57  work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
58  if( work == NULL ) {
60  goto exit_level_0;
61  }
62  /* Call middle-level interface */
63  info = LAPACKE_zptcon_work( n, d, e, anorm, rcond, work );
64  /* Release memory and exit */
65  LAPACKE_free( work );
66 exit_level_0:
67  if( info == LAPACK_WORK_MEMORY_ERROR ) {
68  LAPACKE_xerbla( "LAPACKE_zptcon", info );
69  }
70  return info;
71 }
lapack_logical LAPACKE_z_nancheck(lapack_int n, const lapack_complex_double *x, lapack_int incx)
lapack_int LAPACKE_zptcon_work(lapack_int n, const double *d, const lapack_complex_double *e, double anorm, double *rcond, double *work)
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
int LAPACKE_get_nancheck()
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