/*
Copyright (C) 2020 Daniel Schultz
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_vec.h"
#include "mpoly.h"
#include "fmpz_mod_mpoly.h"
void fmpz_mod_mpoly_neg(fmpz_mod_mpoly_t A, const fmpz_mod_mpoly_t B,
const fmpz_mod_mpoly_ctx_t ctx)
{
slong Blen = B->length;
if (A != B)
{
slong N = mpoly_words_per_exp(B->bits, ctx->minfo);
fmpz_mod_mpoly_fit_length_reset_bits(A, Blen, B->bits, ctx);
mpoly_copy_monomials(A->exps, B->exps, Blen, N);
}
_fmpz_mod_vec_neg(A->coeffs, B->coeffs, Blen, ctx->ffinfo);
_fmpz_mod_mpoly_set_length(A, B->length, ctx);
}