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Code Issues 12 Releases 8 Activity

Fixed issue with multiple negations.

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This commit is contained in:
Patrick Lühne 2016-09-03 00:25:58 +02:00
parent 63de1891af
commit da88a8816c
1 changed files with 5 additions and 2 deletions
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7
src/plasp/pddl/expressions/Not.cpp
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@ -47,13 +47,16 @@ ExpressionPointer Not::normalize()
{
BOOST_ASSERT(m_argumentStorage);
// Remove double negations
// Remove double negations immediately
if (m_argumentStorage->expressionType() == Expression::Type::Not)
{
auto &argument = dynamic_cast<Not &>(*m_argumentStorage);
auto normalized = std::move(argument.m_argumentStorage);
normalized->normalize();
auto normalizedInner = normalized->normalize();
if (normalizedInner)
return normalizedInner;
return normalized;
}