/*
Copyright (C) 2021 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 "fmpq_mpoly.h"
int fmpq_mpoly_is_monic(const fmpq_mpoly_t A, const fmpq_mpoly_ctx_t FLINT_UNUSED(ctx))
{
int res;
fmpz_t t;
if (A->zpoly->length < 1)
return 0;
if (fmpz_is_one(fmpq_numref(A->content)) &&
fmpz_equal(fmpq_denref(A->content), A->zpoly->coeffs + 0))
{
return 1;
}
fmpz_init(t);
fmpz_mul(t, fmpq_numref(A->content), A->zpoly->coeffs + 0);
res = fmpz_equal(t, fmpq_denref(A->content));
fmpz_clear(t);
return res;
}