/*
Copyright (C) 2015 Vladimir Glazachev
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 "fmpz_mod_poly.h"
#include "aprcl.h"
void
_unity_zpq_mul_unity_p(unity_zpq f)
{
slong i;
for (i = f->p - 1; i > 0; i--)
fmpz_mod_poly_swap(f->polys[i], f->polys[i - 1], f->ctx);
}
/*
Computes unity_zpq * \zeta_p by swapping poly coeffs.
*/
void
unity_zpq_mul_unity_p_pow(unity_zpq f, const unity_zpq g, slong k)
{
slong i;
unity_zpq_copy(f, g);
for (i = 0; i < k; i++)
_unity_zpq_mul_unity_p(f);
}