/*
Copyright (C) 2010 Fredrik Johansson
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "arith.h"
#include "fmpq.h"
void _arith_harmonic_number(fmpz_t num, fmpz_t den, slong n)
{
if (n <= 0)
{
fmpz_zero(num);
fmpz_one(den);
}
else
{
_fmpq_harmonic_ui(num, den, n);
}
}
void arith_harmonic_number(fmpq_t x, slong n)
{
_arith_harmonic_number(fmpq_numref(x), fmpq_denref(x), n);
}