LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zsycon()

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

Definition at line 36 of file lapacke_zsycon.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_zsycon", -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_zsy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
50  return -4;
51  }
52  if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
53  return -7;
54  }
55  }
56 #endif
57  /* Allocate memory for working array(s) */
58  work = (lapack_complex_double*)
59  LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
60  if( work == NULL ) {
62  goto exit_level_0;
63  }
64  /* Call middle-level interface */
65  info = LAPACKE_zsycon_work( matrix_layout, uplo, n, a, lda, ipiv, anorm,
66  rcond, work );
67  /* Release memory and exit */
68  LAPACKE_free( work );
69 exit_level_0:
70  if( info == LAPACK_WORK_MEMORY_ERROR ) {
71  LAPACKE_xerbla( "LAPACKE_zsycon", info );
72  }
73  return info;
74 }
#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 lapack_complex_double
Definition: lapacke.h:90
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
#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_zsy_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda)
lapack_int LAPACKE_zsycon_work(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda, const lapack_int *ipiv, double anorm, double *rcond, lapack_complex_double *work)
int LAPACKE_get_nancheck()
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