LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapacke_zhs_trans.c
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28 ******************************************************************************
29 * Contents: Native C interface to LAPACK utility function
30 * Author: Intel Corporation
31 * Created in February, 2010
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 /* Converts input Hessenberg matrix from row-major(C) to column-major(Fortran)
37  * layout or vice versa.
38  */
39 
40 void LAPACKE_zhs_trans( int matrix_layout, lapack_int n,
41  const lapack_complex_double *in, lapack_int ldin,
42  lapack_complex_double *out, lapack_int ldout )
43 {
44  if( in == NULL || out == NULL ) return;
45 
46  /* Convert subdiagonal first */
47  if( matrix_layout == LAPACK_COL_MAJOR ) {
48  LAPACKE_zge_trans( LAPACK_COL_MAJOR, 1, n-1, &in[1], ldin+1,
49  &out[ldout], ldout+1 );
50  } else if ( matrix_layout == LAPACK_ROW_MAJOR ) {
51  LAPACKE_zge_trans( LAPACK_ROW_MAJOR, n-1, 1, &in[ldin], ldin+1,
52  &out[1], ldout+1 );
53  } else {
54  return;
55  }
56 
57  /* Convert upper triangular. */
58  LAPACKE_ztr_trans( matrix_layout, 'u', 'n', n, in, ldin, out, ldout);
59 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define lapack_complex_double
Definition: lapacke.h:90
void LAPACKE_ztr_trans(int matrix_layout, char uplo, char diag, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_zhs_trans(int matrix_layout, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
#define lapack_int
Definition: lapacke.h:47
void LAPACKE_zge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)