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/*
Copyright (C) 2020 Fredrik Johansson
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 "ca.h"
int
ca_equal_repr(const ca_t x, const ca_t y, ca_ctx_t ctx)
{
ca_field_ptr field;
/* by assumption: cached field objects are unique */
if (x->field != y->field)
return 0;
if (CA_IS_SPECIAL(x) && !CA_IS_SIGNED_INF(x))
return x->field == y->field;
field = CA_FIELD_UNSPECIAL(x, ctx);
if (CA_FIELD_IS_QQ(field))
{
return fmpq_equal(CA_FMPQ(x), CA_FMPQ(y));
}
else if (CA_FIELD_IS_NF(field))
{
return nf_elem_equal(CA_NF_ELEM(x), CA_NF_ELEM(y), CA_FIELD_NF(field));
}
else
{
return fmpz_mpoly_q_equal(CA_MPOLY_Q(x), CA_MPOLY_Q(y), CA_FIELD_MCTX(field, ctx));
}
}