/*
Copyright (C) 2016 Pascal Molin
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 "nmod.h"
#include "dlog.h"
ulong
dlog_1modpe(const dlog_1modpe_t t, ulong b1, ulong p, ulong e, nmod_t pe)
{
if (e == 1)
return 0;
else
{
ulong logb1;
logb1 = dlog_1modpe_1modp(b1, p, e, t->inv1p, pe);
/* only need mod p^(e-1) */
return nmod_mul(logb1, t->invloga1, pe);
}
}