LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zlanhe()

double LAPACKE_zlanhe ( int  matrix_layout,
char  norm,
char  uplo,
lapack_int  n,
const lapack_complex_double a,
lapack_int  lda 
)

Definition at line 35 of file lapacke_zlanhe.c.

37{
38 lapack_int info = 0;
39 double res = 0.;
40 double* work = NULL;
41 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42 LAPACKE_xerbla( "LAPACKE_zlanhe", -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 -5;
50 }
51 }
52#endif
53 /* Allocate memory for working array(s) */
54 if( LAPACKE_lsame( norm, 'i' ) || LAPACKE_lsame( norm, '1' ) ||
55 LAPACKE_lsame( norm, 'O' ) ) {
56 work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
57 if( work == NULL ) {
59 goto exit_level_0;
60 }
61 }
62 /* Call middle-level interface */
63 res = LAPACKE_zlanhe_work( matrix_layout, norm, uplo, n, a, lda, work );
64 /* Release memory and exit */
65 if( LAPACKE_lsame( norm, 'i' ) || LAPACKE_lsame( norm, '1' ) ||
66 LAPACKE_lsame( norm, 'O' ) ) {
67 LAPACKE_free( work );
68 }
69exit_level_0:
70 if( info == LAPACK_WORK_MEMORY_ERROR ) {
71 LAPACKE_xerbla( "LAPACKE_zlanhe", info );
72 }
73 return res;
74}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
double LAPACKE_zlanhe_work(int matrix_layout, char norm, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda, double *work)
#define LAPACKE_free(p)
Definition: lapacke.h:46
#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_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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