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Implemented disjunctive normal form.

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This commit is contained in:
Patrick Lühne
2016-09-08 03:42:32 +02:00
parent 34496a7158
commit 4fc9b35c13
12 changed files with 273 additions and 1 deletions
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48
tests/TestPDDLNormalization.cpp
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@@ -302,3 +302,51 @@ TEST(PDDLNormalizationTests, PrenexGroupSameType)
ASSERT_EQ(output.str(), "(forall (?v1 ?v2 ?v6 ?v7) (exists (?v3 ?v8) (forall (?v4 ?v9) (exists (?v5) (and (a) (b))))))");
}
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST(PDDLNormalizationTests, DisjunctiveNormalForm)
{
auto f = expressions::ForAllPointer(new expressions::ForAll);
auto e = expressions::ExistsPointer(new expressions::Exists);
auto a = expressions::AndPointer(new expressions::And);
auto o1 = expressions::OrPointer(new expressions::Or);
auto o2 = expressions::OrPointer(new expressions::Or);
auto o3 = expressions::OrPointer(new expressions::Or);
f->variables() = {new expressions::Variable("v1")};
f->setArgument(e);
e->variables() = {new expressions::Variable("v2")};
e->setArgument(o1);
o1->addArgument(a);
o1->addArgument(new expressions::Dummy("h"));
a->addArgument(new expressions::Dummy("a"));
a->addArgument(new expressions::Dummy("b"));
a->addArgument(o2);
a->addArgument(o3);
o2->addArgument(new expressions::Dummy("c"));
o2->addArgument(new expressions::Dummy("d"));
o2->addArgument(new expressions::Dummy("e"));
o3->addArgument(new expressions::Dummy("f"));
o3->addArgument(new expressions::Dummy("g"));
auto normalized = f->normalized();
std::stringstream output;
normalized->print(output);
ASSERT_EQ(output.str(), "(forall (?v1) (exists (?v2) (or "
"(and (a) (b) (c) (f)) "
"(h) "
"(and (a) (b) (d) (f)) "
"(and (a) (b) (e) (f)) "
"(and (a) (b) (c) (g)) "
"(and (a) (b) (d) (g)) "
"(and (a) (b) (e) (g))"
")))");
}