LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dtpcon()

lapack_int LAPACKE_dtpcon ( int  matrix_layout,
char  norm,
char  uplo,
char  diag,
lapack_int  n,
const double *  ap,
double *  rcond 
)

Definition at line 36 of file lapacke_dtpcon.c.

38 {
39  lapack_int info = 0;
40  lapack_int* iwork = NULL;
41  double* work = NULL;
42  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
43  LAPACKE_xerbla( "LAPACKE_dtpcon", -1 );
44  return -1;
45  }
46 #ifndef LAPACK_DISABLE_NAN_CHECK
47  /* Optionally check input matrices for NaNs */
48  if( LAPACKE_dtp_nancheck( matrix_layout, uplo, diag, n, ap ) ) {
49  return -6;
50  }
51 #endif
52  /* Allocate memory for working array(s) */
53  iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
54  if( iwork == NULL ) {
56  goto exit_level_0;
57  }
58  work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,3*n) );
59  if( work == NULL ) {
61  goto exit_level_1;
62  }
63  /* Call middle-level interface */
64  info = LAPACKE_dtpcon_work( matrix_layout, norm, uplo, diag, n, ap, rcond,
65  work, iwork );
66  /* Release memory and exit */
67  LAPACKE_free( work );
68 exit_level_1:
69  LAPACKE_free( iwork );
70 exit_level_0:
71  if( info == LAPACK_WORK_MEMORY_ERROR ) {
72  LAPACKE_xerbla( "LAPACKE_dtpcon", info );
73  }
74  return info;
75 }
#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
lapack_logical LAPACKE_dtp_nancheck(int matrix_layout, char uplo, char diag, lapack_int n, const double *ap)
#define MAX(x, y)
Definition: lapacke_utils.h:47
lapack_int LAPACKE_dtpcon_work(int matrix_layout, char norm, char uplo, char diag, lapack_int n, const double *ap, double *rcond, double *work, lapack_int *iwork)
#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
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