LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zhbtrd()

lapack_int LAPACKE_zhbtrd ( int  matrix_layout,
char  vect,
char  uplo,
lapack_int  n,
lapack_int  kd,
lapack_complex_double ab,
lapack_int  ldab,
double *  d,
double *  e,
lapack_complex_double q,
lapack_int  ldq 
)

Definition at line 35 of file lapacke_zhbtrd.c.

39{
40 lapack_int info = 0;
41 lapack_complex_double* work = NULL;
42 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
43 LAPACKE_xerbla( "LAPACKE_zhbtrd", -1 );
44 return -1;
45 }
46#ifndef LAPACK_DISABLE_NAN_CHECK
47 if( LAPACKE_get_nancheck() ) {
48 /* Optionally check input matrices for NaNs */
49 if( LAPACKE_zhb_nancheck( matrix_layout, uplo, n, kd, ab, ldab ) ) {
50 return -6;
51 }
52 if( LAPACKE_lsame( vect, 'u' ) ) {
53 if( LAPACKE_zge_nancheck( matrix_layout, n, n, q, ldq ) ) {
54 return -10;
55 }
56 }
57 }
58#endif
59 /* Allocate memory for working array(s) */
60 work = (lapack_complex_double*)
62 if( work == NULL ) {
64 goto exit_level_0;
65 }
66 /* Call middle-level interface */
67 info = LAPACKE_zhbtrd_work( matrix_layout, vect, uplo, n, kd, ab, ldab, d, e,
68 q, ldq, work );
69 /* Release memory and exit */
70 LAPACKE_free( work );
71exit_level_0:
72 if( info == LAPACK_WORK_MEMORY_ERROR ) {
73 LAPACKE_xerbla( "LAPACKE_zhbtrd", info );
74 }
75 return info;
76}
#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_zhbtrd_work(int matrix_layout, char vect, char uplo, lapack_int n, lapack_int kd, lapack_complex_double *ab, lapack_int ldab, double *d, double *e, lapack_complex_double *q, lapack_int ldq, 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_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
lapack_logical LAPACKE_zhb_nancheck(int matrix_layout, char uplo, lapack_int n, lapack_int kd, const lapack_complex_double *ab, lapack_int ldab)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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