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/*
Copyright (C) 2009 William Hart
Copyright (C) 2010 Sebastian Pancratz
Copyright (C) 2024 Albin Ahlbäck
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 "ulong_extras.h"
ulong _n_pow_check(ulong n, ulong exp)
{
ulong ix, rl, rh;
if (n == 0)
FLINT_UNREACHABLE;
rl = UWORD(1);
for (ix = 0; ix < exp; ix++)
{
umul_ppmm(rh, rl, n, rl);
if (rh)
return 0;
}
return rl;
}
ulong n_pow(ulong n, ulong exp)
{
ulong ix;
ulong res;
res = UWORD(1);
for (ix = 0; ix < exp; ix++)
res *= n;
return res;
}