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Support some xor.

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This commit is contained in:
chriseth 2022-05-30 18:17:16 +02:00
parent 973442c206
commit faa3a242ee
1 changed files with 6 additions and 0 deletions
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6
libsolutil/BooleanLP.cpp
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@ -318,6 +318,12 @@ void BooleanLPSolver::addAssertion(Expression const& _expr, map<string, LetBindi
literals.emplace_back(parseLiteralOrReturnEqualBoolean(arg, _letBindings));
state().clauses.emplace_back(Clause{move(literals)});
}
else if (_expr.name == "xor")
{
solAssert(_expr.arguments.size() == 2);
addAssertion(_expr.arguments.at(0) || _expr.arguments.at(1));
addAssertion(!_expr.arguments.at(0) || !_expr.arguments.at(1));
}
else if (_expr.name == "not")
{
solAssert(_expr.arguments.size() == 1);