LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dptcon()

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

Definition at line 35 of file lapacke_dptcon.c.

37 {
38  lapack_int info = 0;
39  double* work = NULL;
40 #ifndef LAPACK_DISABLE_NAN_CHECK
41  if( LAPACKE_get_nancheck() ) {
42  /* Optionally check input matrices for NaNs */
43  if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
44  return -4;
45  }
46  if( LAPACKE_d_nancheck( n, d, 1 ) ) {
47  return -2;
48  }
49  if( LAPACKE_d_nancheck( n-1, e, 1 ) ) {
50  return -3;
51  }
52  }
53 #endif
54  /* Allocate memory for working array(s) */
55  work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
56  if( work == NULL ) {
58  goto exit_level_0;
59  }
60  /* Call middle-level interface */
61  info = LAPACKE_dptcon_work( n, d, e, anorm, rcond, work );
62  /* Release memory and exit */
63  LAPACKE_free( work );
64 exit_level_0:
65  if( info == LAPACK_WORK_MEMORY_ERROR ) {
66  LAPACKE_xerbla( "LAPACKE_dptcon", info );
67  }
68  return info;
69 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACKE_free(p)
Definition: lapacke.h:46
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_int LAPACKE_dptcon_work(lapack_int n, const double *d, const double *e, double anorm, double *rcond, double *work)
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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