gtsam/gtsam/symbolic/tests/testSymbolicFactor.cpp

80 lines
2.9 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 testSymbolicFactor.cpp
* @brief Unit tests for a symbolic IndexFactor
* @author Frank Dellaert
*/
#include <CppUnitLite/TestHarness.h>
#include <gtsam/base/TestableAssertions.h>
#include <gtsam/symbolic/SymbolicFactor.h>
#include <gtsam/symbolic/SymbolicConditional.h>
#include <gtsam/symbolic/SymbolicFactorGraph.h>
#include <boost/assign/std/vector.hpp>
#include <boost/assign/list_of.hpp>
#include <boost/make_shared.hpp>
#include <boost/tuple/tuple.hpp>
using namespace std;
using namespace gtsam;
using namespace boost::assign;
/* ************************************************************************* */
#ifdef TRACK_ELIMINATE
TEST(SymbolicFactor, eliminate) {
vector<Index> keys; keys += 2, 3, 4, 6, 7, 9, 10, 11;
IndexFactor actual(keys.begin(), keys.end());
BayesNet<IndexConditional> fragment = *actual.eliminate(3);
IndexFactor expected(keys.begin()+3, keys.end());
IndexConditional::shared_ptr expected0 = IndexConditional::FromRange(keys.begin(), keys.end(), 1);
IndexConditional::shared_ptr expected1 = IndexConditional::FromRange(keys.begin()+1, keys.end(), 1);
IndexConditional::shared_ptr expected2 = IndexConditional::FromRange(keys.begin()+2, keys.end(), 1);
CHECK(assert_equal(fragment.size(), size_t(3)));
CHECK(assert_equal(expected, actual));
BayesNet<IndexConditional>::const_iterator fragmentCond = fragment.begin();
CHECK(assert_equal(**fragmentCond++, *expected0));
CHECK(assert_equal(**fragmentCond++, *expected1));
CHECK(assert_equal(**fragmentCond++, *expected2));
}
#endif
/* ************************************************************************* */
TEST(SymbolicFactor, EliminateSymbolic)
{
const SymbolicFactorGraph factors = list_of
(SymbolicFactor(2,4,6))
(SymbolicFactor(1,2,5))
(SymbolicFactor(0,3));
const SymbolicFactor expectedFactor(4,5,6);
const SymbolicConditional expectedConditional =
SymbolicConditional::FromKeys(list_of(0)(1)(2)(3)(4)(5)(6), 4);
SymbolicFactor::shared_ptr actualFactor;
SymbolicConditional::shared_ptr actualConditional;
boost::tie(actualConditional, actualFactor) =
EliminateSymbolic(factors, list_of(0)(1)(2)(3));
CHECK(assert_equal(expectedConditional, *actualConditional));
CHECK(assert_equal(expectedFactor, *actualFactor));
}
/* ************************************************************************* */
int main() {
TestResult tr;
return TestRegistry::runAllTests(tr);
}
/* ************************************************************************* */