lapacke_ztrexc.c File Reference

#include "lapacke_utils.h"

Go to the source code of this file.

Functions
lapack_int	LAPACKE_ztrexc (int matrix_layout, char compq, lapack_int n, lapack_complex_double *t, lapack_int ldt, lapack_complex_double *q, lapack_int ldq, lapack_int ifst, lapack_int ilst)

Function Documentation

LAPACKE_ztrexc()

lapack_int LAPACKE_ztrexc	(	int	matrix_layout,
		char	compq,
		lapack_int	n,
		lapack_complex_double *	t,
		lapack_int	ldt,
		lapack_complex_double *	q,
		lapack_int	ldq,
		lapack_int	ifst,
		lapack_int	ilst )

Definition at line 35 of file lapacke_ztrexc.c.

{
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_ztrexc", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_lsame( compq, 'v' ) ) {
            if( LAPACKE_zge_nancheck( matrix_layout, n, n, q, ldq ) ) {
                return -6;
            }
        }
        if( LAPACKE_zge_nancheck( matrix_layout, n, n, t, ldt ) ) {
            return -4;
        }
    }
#endif
    return LAPACKE_ztrexc_work( matrix_layout, compq, n, t, ldt, q, ldq, ifst,
                                ilst );
}