mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-28 11:25:51 +00:00
Code Activity

more unit testing and fixes

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-08-09 10:50:30 -07:00
parent 6a829f831d
commit d07b508ecd
3 changed files with 101 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

14
src/math/interval/mod_interval.h
View file

@ -45,7 +45,7 @@ inline std::ostream& operator<<(std::ostream& out, pp<rational> const& p) {
template<typename Numeral>
class mod_interval {
bool emp { false };
bool emp = false;
public:
Numeral lo { 0 };
Numeral hi { 0 };
@ -59,7 +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;
virtual bool is_max(Numeral const& n) const { return n + 1 == 0; }
virtual bool is_max(Numeral const& n) const { return (Numeral)(n + 1) == 0; }
void set_free() { lo = hi = 0; emp = false; }
void set_bounds(Numeral const& l, Numeral const& h) { lo = l; hi = h; }
@ -89,6 +89,16 @@ public:
return out << "[" << pp(lo) << ", " << pp(hi) << "[";
}
Numeral closest_value(Numeral const& n) const;
bool operator==(mod_interval const& other) const {
if (is_empty())
return other.is_empty();
if (is_free())
return other.is_free();
return lo == other.lo && hi == other.hi;
}
bool operator!=(mod_interval const& other) const {
return !(*this == other);
}
};
template<typename Numeral>