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assignment helpers

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This commit is contained in:
Jakob Rath 2022-11-30 14:50:14 +01:00
parent 54a21e764d
commit 9b10733ebd
2 changed files with 17 additions and 0 deletions
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13
src/math/polysat/assignment.cpp
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@ -31,6 +31,11 @@ namespace polysat {
return p.subst_val(m_subst);
}
bool substitution::contains(pvar var) const {
rational out_value;
return value(var, out_value);
}
bool substitution::value(pvar var, rational& out_value) const {
return m_subst.subst_get(var, out_value);
}
@ -49,6 +54,14 @@ namespace polysat {
return a;
}
bool assignment::contains(pvar var) const {
return subst(s().size(var)).contains(var);
}
bool assignment::value(pvar var, rational& out_value) const {
return subst(s().size(var)).value(var, out_value);
}
substitution& assignment::subst(unsigned sz) {
return const_cast<substitution&>(std::as_const(*this).subst(sz));
}