LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ 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 );
68exit_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:87
#define lapack_complex_double
Definition: lapack.h:64
#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
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