LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zhecon_3()

lapack_int LAPACKE_zhecon_3 ( int  matrix_layout,
char  uplo,
lapack_int  n,
const lapack_complex_double a,
lapack_int  lda,
const lapack_complex_double e,
const lapack_int ipiv,
double  anorm,
double *  rcond 
)

Definition at line 35 of file lapacke_zhecon_3.c.

39{
40 lapack_int info = 0;
41 lapack_complex_double* work = NULL;
42 lapack_int e_start = LAPACKE_lsame( uplo, 'U' ) ? 1 : 0;
43 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44 LAPACKE_xerbla( "LAPACKE_zhecon_3", -1 );
45 return -1;
46 }
47#ifndef LAPACK_DISABLE_NAN_CHECK
48 if( LAPACKE_get_nancheck() ) {
49 /* Optionally check input matrices for NaNs */
50 if( LAPACKE_zhe_nancheck( matrix_layout, uplo, n, a, lda ) ) {
51 return -4;
52 }
53 if( LAPACKE_z_nancheck( n-1, e + e_start, 1 ) ) {
54 return -6;
55 }
56 if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
57 return -8;
58 }
59 }
60#endif
61 /* Allocate memory for working array(s) */
62 work = (lapack_complex_double*)
63 LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
64 if( work == NULL ) {
66 goto exit_level_0;
67 }
68 /* Call middle-level interface */
69 info = LAPACKE_zhecon_3_work( matrix_layout, uplo, n, a, lda, e, ipiv, anorm,
70 rcond, work );
71 /* Release memory and exit */
72 LAPACKE_free( work );
73exit_level_0:
74 if( info == LAPACK_WORK_MEMORY_ERROR ) {
75 LAPACKE_xerbla( "LAPACKE_zhecon_3", info );
76 }
77 return info;
78}
#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
lapack_int LAPACKE_zhecon_3_work(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda, const lapack_complex_double *e, const lapack_int *ipiv, double anorm, double *rcond, lapack_complex_double *work)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
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
lapack_logical LAPACKE_z_nancheck(lapack_int n, const lapack_complex_double *x, lapack_int incx)
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