LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dtpcon_work()

lapack_int LAPACKE_dtpcon_work ( int  matrix_layout,
char  norm,
char  uplo,
char  diag,
lapack_int  n,
const double *  ap,
double *  rcond,
double *  work,
lapack_int iwork 
)

Definition at line 36 of file lapacke_dtpcon_work.c.

39 {
40  lapack_int info = 0;
41  if( matrix_layout == LAPACK_COL_MAJOR ) {
42  /* Call LAPACK function and adjust info */
43  LAPACK_dtpcon( &norm, &uplo, &diag, &n, ap, rcond, work, iwork, &info );
44  if( info < 0 ) {
45  info = info - 1;
46  }
47  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
48  double* ap_t = NULL;
49  /* Allocate memory for temporary array(s) */
50  ap_t = (double*)
51  LAPACKE_malloc( sizeof(double) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
52  if( ap_t == NULL ) {
54  goto exit_level_0;
55  }
56  /* Transpose input matrices */
57  LAPACKE_dtp_trans( matrix_layout, uplo, diag, n, ap, ap_t );
58  /* Call LAPACK function and adjust info */
59  LAPACK_dtpcon( &norm, &uplo, &diag, &n, ap_t, rcond, work, iwork,
60  &info );
61  if( info < 0 ) {
62  info = info - 1;
63  }
64  /* Release memory and exit */
65  LAPACKE_free( ap_t );
66 exit_level_0:
67  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
68  LAPACKE_xerbla( "LAPACKE_dtpcon_work", info );
69  }
70  } else {
71  info = -1;
72  LAPACKE_xerbla( "LAPACKE_dtpcon_work", info );
73  }
74  return info;
75 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#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
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123
void LAPACKE_dtp_trans(int matrix_layout, char uplo, char diag, lapack_int n, const double *in, double *out)
void LAPACK_dtpcon(char *norm, char *uplo, char *diag, lapack_int *n, const double *ap, double *rcond, double *work, lapack_int *iwork, lapack_int *info)
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