gtsam/inference/tests/testSymbolicBayesNet.cpp

110 lines
2.7 KiB
C++

/* ----------------------------------------------------------------------------
* GTSAM Copyright 2010, Georgia Tech Research Corporation,
* Atlanta, Georgia 30332-0415
* All Rights Reserved
* Authors: Frank Dellaert, et al. (see THANKS for the full author list)
* See LICENSE for the license information
* -------------------------------------------------------------------------- */
/**
* @file testSymbolicBayesNet.cpp
* @brief Unit tests for a symbolic Bayes chain
* @author Frank Dellaert
*/
#include <boost/assign/list_inserter.hpp> // for 'insert()'
#include <boost/assign/std/list.hpp> // for operator +=
using namespace boost::assign;
#include <gtsam/CppUnitLite/TestHarness.h>
//#define GTSAM_MAGIC_KEY
#include <gtsam/inference/SymbolicFactorGraph.h>
using namespace std;
using namespace gtsam;
static const Index _L_ = 0;
static const Index _A_ = 1;
static const Index _B_ = 2;
static const Index _C_ = 3;
IndexConditional::shared_ptr
B(new IndexConditional(_B_)),
L(new IndexConditional(_L_, _B_));
/* ************************************************************************* */
TEST( SymbolicBayesNet, equals )
{
BayesNet<IndexConditional> f1;
f1.push_back(B);
f1.push_back(L);
BayesNet<IndexConditional> f2;
f2.push_back(L);
f2.push_back(B);
CHECK(f1.equals(f1));
CHECK(!f1.equals(f2));
}
/* ************************************************************************* */
TEST( SymbolicBayesNet, pop_front )
{
IndexConditional::shared_ptr
A(new IndexConditional(_A_,_B_,_C_)),
B(new IndexConditional(_B_,_C_)),
C(new IndexConditional(_C_));
// Expected after pop_front
BayesNet<IndexConditional> expected;
expected.push_back(B);
expected.push_back(C);
// Actual
BayesNet<IndexConditional> actual;
actual.push_back(A);
actual.push_back(B);
actual.push_back(C);
actual.pop_front();
CHECK(assert_equal(expected,actual));
}
/* ************************************************************************* */
TEST( SymbolicBayesNet, combine )
{
IndexConditional::shared_ptr
A(new IndexConditional(_A_,_B_,_C_)),
B(new IndexConditional(_B_,_C_)),
C(new IndexConditional(_C_));
// p(A|BC)
BayesNet<IndexConditional> p_ABC;
p_ABC.push_back(A);
// P(BC)=P(B|C)P(C)
BayesNet<IndexConditional> p_BC;
p_BC.push_back(B);
p_BC.push_back(C);
// P(ABC) = P(A|BC) P(BC)
p_ABC.push_back(p_BC);
BayesNet<IndexConditional> expected;
expected.push_back(A);
expected.push_back(B);
expected.push_back(C);
CHECK(assert_equal(expected,p_ABC));
}
/* ************************************************************************* */
int main() {
TestResult tr;
return TestRegistry::runAllTests(tr);
}
/* ************************************************************************* */