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Code Issues 12 Releases 8 Activity

Implemented simplification of nested quantified expressions.

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This commit is contained in:
Patrick Lühne
2016-09-06 18:50:23 +02:00
parent ad6b3d60eb
commit 31068bf89c
5 changed files with 98 additions and 8 deletions
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31
tests/TestPDDLNormalization.cpp
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@@ -2,9 +2,12 @@
#include <plasp/pddl/expressions/And.h>
#include <plasp/pddl/expressions/Dummy.h>
#include <plasp/pddl/expressions/Exists.h>
#include <plasp/pddl/expressions/ForAll.h>
#include <plasp/pddl/expressions/Imply.h>
#include <plasp/pddl/expressions/Not.h>
#include <plasp/pddl/expressions/Or.h>
#include <plasp/pddl/expressions/Variable.h>
using namespace plasp::pddl;
@@ -155,3 +158,31 @@ TEST(PDDLNormalizationTests, DoubleNegationInner)
ASSERT_EQ(output.str(), "(or (not (a)) (not (b)) (not (c)))");
}
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST(PDDLNormalizationTests, SimplifyNestedForAll)
{
auto v1 = expressions::VariablePointer(new expressions::Variable("x"));
auto v2 = expressions::VariablePointer(new expressions::Variable("y"));
auto v3 = expressions::VariablePointer(new expressions::Variable("z"));
auto v4 = expressions::VariablePointer(new expressions::Variable("u"));
auto v5 = expressions::VariablePointer(new expressions::Variable("v"));
auto v6 = expressions::VariablePointer(new expressions::Variable("w"));
auto f1 = expressions::ForAllPointer(new expressions::ForAll);
auto f2 = expressions::ForAllPointer(new expressions::ForAll);
auto d = expressions::DummyPointer(new expressions::Dummy("a"));
f1->variables() = {v1, v2, v3};
f2->variables() = {v4, v5, v6};
f1->setArgument(f2);
f2->setArgument(d);
std::stringstream output;
f1->normalized()->print(output);
ASSERT_EQ(output.str(), "(forall (?x ?y ?z ?u ?v ?w) (a))");
}