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adding band

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-12-11 14:51:21 -08:00
parent 45b0be3b37
commit bbec72f0b3
9 changed files with 55 additions and 45 deletions
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18
src/sat/smt/polysat/ule_constraint.cpp
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@ -343,22 +343,4 @@ namespace polysat {
return eval(a.apply_to(lhs()), a.apply_to(rhs()));
}
bool ule_constraint::is_always_true() const {
if (lhs().is_zero())
return true; // 0 <= p
if (rhs().is_max())
return true; // p <= -1
if (lhs().is_val() && rhs().is_val())
return lhs().val() <= rhs().val();
return false;
}
bool ule_constraint::is_always_false() const {
if (lhs().is_never_zero() && rhs().is_zero())
return true; // p > 0, q = 0
if (lhs().is_val() && rhs().is_val())
return lhs().val() > rhs().val();
return false;
}
}