LAPACK  3.7.0
LAPACK: Linear Algebra PACKage
lapack_int LAPACKE_dsycon_3 ( int  matrix_layout,
char  uplo,
lapack_int  n,
const double *  a,
lapack_int  lda,
const double *  e,
const lapack_int ipiv,
double  anorm,
double *  rcond 
)

Definition at line 36 of file lapacke_dsycon_3.c.

39 {
40  lapack_int info = 0;
41  lapack_int* iwork = NULL;
42  double* work = NULL;
43  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44  LAPACKE_xerbla( "LAPACKE_dsycon_3", -1 );
45  return -1;
46  }
47 #ifndef LAPACK_DISABLE_NAN_CHECK
48  /* Optionally check input matrices for NaNs */
49  if( LAPACKE_dsy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
50  return -4;
51  }
52  if( LAPACKE_d_nancheck( n, e, 1 ) ) {
53  return -6;
54  }
55  if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
56  return -8;
57  }
58 #endif
59  /* Allocate memory for working array(s) */
60  iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
61  if( iwork == NULL ) {
63  goto exit_level_0;
64  }
65  work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,2*n) );
66  if( work == NULL ) {
68  goto exit_level_1;
69  }
70  /* Call middle-level interface */
71  info = LAPACKE_dsycon_3_work( matrix_layout, uplo, n, a, lda, e, ipiv, anorm,
72  rcond, work, iwork );
73  /* Release memory and exit */
74  LAPACKE_free( work );
75 exit_level_1:
76  LAPACKE_free( iwork );
77 exit_level_0:
78  if( info == LAPACK_WORK_MEMORY_ERROR ) {
79  LAPACKE_xerbla( "LAPACKE_dsycon_3", info );
80  }
81  return info;
82 }
lapack_int LAPACKE_dsycon_3_work(int matrix_layout, char uplo, lapack_int n, const double *a, lapack_int lda, const double *e, const lapack_int *ipiv, double anorm, double *rcond, double *work, lapack_int *iwork)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_free(p)
Definition: lapacke.h:113
#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_dsy_nancheck(int matrix_layout, char uplo, lapack_int n, const double *a, lapack_int lda)

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