LAPACKE_zlarft()

lapack_int LAPACKE_zlarft	(	int	matrix_layout,
		char	direct,
		char	storev,
		lapack_int	n,
		lapack_int	k,
		const lapack_complex_double *	v,
		lapack_int	ldv,
		const lapack_complex_double *	tau,
		lapack_complex_double *	t,
		lapack_int	ldt
	)

Definition at line 35 of file lapacke_zlarft.c.

{
    lapack_int ncols_v, nrows_v;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_zlarft", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        ncols_v = LAPACKE_lsame( storev, 'c' ) ? k :
                             ( LAPACKE_lsame( storev, 'r' ) ? n : 1);
        nrows_v = LAPACKE_lsame( storev, 'c' ) ? n :
                             ( LAPACKE_lsame( storev, 'r' ) ? k : 1);
        if( LAPACKE_z_nancheck( k, tau, 1 ) ) {
            return -8;
        }
        if( LAPACKE_zge_nancheck( matrix_layout, nrows_v, ncols_v, v, ldv ) ) {
            return -6;
        }
    }
#endif
    return LAPACKE_zlarft_work( matrix_layout, direct, storev, n, k, v, ldv, tau,
                                t, ldt );

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