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add auxiliary propagation

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-08-14 17:55:48 -07:00
parent 1e3c3dc48f
commit 11a048d5f9
6 changed files with 90 additions and 29 deletions
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1
src/math/interval/mod_interval.h
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@ -59,6 +59,7 @@ public:
bool is_empty() const { return emp; }
bool is_singleton() const { return !is_empty() && (lo + 1 == hi || (hi == 0 && is_max(lo))); }
bool contains(Numeral const& n) const;
bool contains(mod_interval const& other) const;
virtual bool is_max(Numeral const& n) const { return (Numeral)(n + 1) == 0; }
void set_free() { lo = hi = 0; emp = false; }