LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zhecon()

lapack_int LAPACKE_zhecon ( int  matrix_layout,
char  uplo,
lapack_int  n,
const lapack_complex_double a,
lapack_int  lda,
const lapack_int ipiv,
double  anorm,
double *  rcond 
)

Definition at line 35 of file lapacke_zhecon.c.

38 {
39  lapack_int info = 0;
40  lapack_complex_double* work = NULL;
41  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42  LAPACKE_xerbla( "LAPACKE_zhecon", -1 );
43  return -1;
44  }
45 #ifndef LAPACK_DISABLE_NAN_CHECK
46  if( LAPACKE_get_nancheck() ) {
47  /* Optionally check input matrices for NaNs */
48  if( LAPACKE_zhe_nancheck( matrix_layout, uplo, n, a, lda ) ) {
49  return -4;
50  }
51  if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
52  return -7;
53  }
54  }
55 #endif
56  /* Allocate memory for working array(s) */
57  work = (lapack_complex_double*)
58  LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
59  if( work == NULL ) {
61  goto exit_level_0;
62  }
63  /* Call middle-level interface */
64  info = LAPACKE_zhecon_work( matrix_layout, uplo, n, a, lda, ipiv, anorm,
65  rcond, work );
66  /* Release memory and exit */
67  LAPACKE_free( work );
68 exit_level_0:
69  if( info == LAPACK_WORK_MEMORY_ERROR ) {
70  LAPACKE_xerbla( "LAPACKE_zhecon", info );
71  }
72  return info;
73 }
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_double
Definition: lapack.h:63
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
lapack_int LAPACKE_zhecon_work(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda, const lapack_int *ipiv, double anorm, double *rcond, lapack_complex_double *work)
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
lapack_logical LAPACKE_zhe_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
Here is the call graph for this function: