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/*
Copyright (C) 2020 Fredrik Johansson
This file is part of Calcium.
Calcium 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 2.1 of the License, or
(at your option) any later version. See <http://www.gnu.org/licenses/>.
*/
#include "ca_poly.h"
truth_t
_ca_poly_check_equal(ca_srcptr poly1, slong len1,
ca_srcptr poly2, slong len2, ca_ctx_t ctx)
{
truth_t eq, res;
slong i;
res = T_TRUE;
for (i = 0; i < len2; i++)
{
eq = ca_check_equal(poly1 + i, poly2 + i, ctx);
if (eq == T_FALSE)
return T_FALSE;
if (eq == T_UNKNOWN)
res = T_UNKNOWN;
}
for (i = len2; i < len1; i++)
{
eq = ca_check_is_zero(poly1 + i, ctx);
if (eq == T_FALSE)
return T_FALSE;
if (eq == T_UNKNOWN)
res = T_UNKNOWN;
}
return res;
}
truth_t
ca_poly_check_equal(const ca_poly_t poly1, const ca_poly_t poly2, ca_ctx_t ctx)
{
slong len1 = poly1->length;
slong len2 = poly2->length;
if (len1 >= len2)
return _ca_poly_check_equal(poly1->coeffs, len1, poly2->coeffs, len2, ctx);
else
return _ca_poly_check_equal(poly2->coeffs, len2, poly1->coeffs, len1, ctx);
}
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