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2a785bf291
The representation of the zero rcf numeral is nullptr, and the is_rational and is_rational_function operations are not expecting to be called with nullptr. But there isn't a way to test for that in the API, other than checking if Z3_rcf_num_to_string returns "0". This patch adds a couple conditions so that is_rational and is_rational_function operations handle zero. Maybe this isn't the desired change. For instance, the is_zero operation could instead be exposed in the API and preconditions added to the relevant operations. Signed-off-by: Josh Berdine <josh@berdine.net> |
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