LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zhetri_3()

lapack_int LAPACKE_zhetri_3 ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda,
const lapack_complex_double e,
const lapack_int ipiv 
)

Definition at line 35 of file lapacke_zhetri_3.c.

38 {
39  lapack_int info = 0;
40  lapack_int lwork = -1;
41  lapack_complex_double* work = NULL;
42  lapack_complex_double work_query;
43  lapack_int e_start = LAPACKE_lsame( uplo, 'U' ) ? 1 : 0;
44  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45  LAPACKE_xerbla( "LAPACKE_zhetri_3", -1 );
46  return -1;
47  }
48 #ifndef LAPACK_DISABLE_NAN_CHECK
49  if( LAPACKE_get_nancheck() ) {
50  /* Optionally check input matrices for NaNs */
51  if( LAPACKE_zhe_nancheck( matrix_layout, uplo, n, a, lda ) ) {
52  return -4;
53  }
54  if( LAPACKE_z_nancheck( n-1, e + e_start, 1 ) ) {
55  return -6;
56  }
57  }
58 #endif
59  /* Query optimal working array(s) size */
60  info = LAPACKE_zhetri_3_work( matrix_layout, uplo, n, a, lda, e, ipiv,
61  &work_query, lwork );
62  if( info != 0 ) {
63  goto exit_level_0;
64  }
65  lwork = LAPACK_Z2INT( work_query );
66  /* Allocate memory for working array(s) */
67  work = (lapack_complex_double*)
68  LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
69  if( work == NULL ) {
71  goto exit_level_0;
72  }
73  /* Call middle-level interface */
74  info = LAPACKE_zhetri_3_work( matrix_layout, uplo, n, a, lda, e, ipiv, work, lwork );
75  /* Release memory and exit */
76  LAPACKE_free( work );
77 exit_level_0:
78  if( info == LAPACK_WORK_MEMORY_ERROR ) {
79  LAPACKE_xerbla( "LAPACKE_zhetri_3", info );
80  }
81  return info;
82 }
#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
lapack_int LAPACKE_zhetri_3_work(int matrix_layout, char uplo, lapack_int n, lapack_complex_double *a, lapack_int lda, const lapack_complex_double *e, const lapack_int *ipiv, lapack_complex_double *work, lapack_int lwork)
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACK_Z2INT(x)
Definition: lapacke.h:50
#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)
lapack_logical LAPACKE_z_nancheck(lapack_int n, const lapack_complex_double *x, lapack_int incx)
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