LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dsytri()

lapack_int LAPACKE_dsytri ( int  matrix_layout,
char  uplo,
lapack_int  n,
double *  a,
lapack_int  lda,
const lapack_int ipiv 
)

Definition at line 36 of file lapacke_dsytri.c.

38 {
39  lapack_int info = 0;
40  double* work = NULL;
41  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42  LAPACKE_xerbla( "LAPACKE_dsytri", -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_dsy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
49  return -4;
50  }
51  }
52 #endif
53  /* Allocate memory for working array(s) */
54  work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,2*n) );
55  if( work == NULL ) {
57  goto exit_level_0;
58  }
59  /* Call middle-level interface */
60  info = LAPACKE_dsytri_work( matrix_layout, uplo, n, a, lda, ipiv, work );
61  /* Release memory and exit */
62  LAPACKE_free( work );
63 exit_level_0:
64  if( info == LAPACK_WORK_MEMORY_ERROR ) {
65  LAPACKE_xerbla( "LAPACKE_dsytri", info );
66  }
67  return info;
68 }
lapack_int LAPACKE_dsytri_work(int matrix_layout, char uplo, lapack_int n, double *a, lapack_int lda, const lapack_int *ipiv, double *work)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
lapack_logical LAPACKE_dsy_nancheck(int matrix_layout, char uplo, lapack_int n, const double *a, lapack_int lda)
int LAPACKE_get_nancheck()
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