gtsam/cpp/testNonlinearFactorGraph.cpp

87 lines
2.3 KiB
C++

/**
* @file testNonlinearFactorGraph.cpp
* @brief Unit tests for Non-Linear Factor Graph
* @brief testNonlinearFactorGraph
* @author Carlos Nieto
* @author Christian Potthast
*/
/*STL/C++*/
#include <iostream>
using namespace std;
#include <boost/assign/std/list.hpp>
using namespace boost::assign;
#include <CppUnitLite/TestHarness.h>
#define GTSAM_MAGIC_KEY
#include "Matrix.h"
#include "smallExample.h"
#include "FactorGraph-inl.h"
#include "NonlinearFactorGraph-inl.h"
using namespace gtsam;
using namespace example;
/* ************************************************************************* */
TEST( Graph, equals )
{
Graph fg = createNonlinearFactorGraph();
Graph fg2 = createNonlinearFactorGraph();
CHECK( fg.equals(fg2) );
}
/* ************************************************************************* */
TEST( Graph, error )
{
Graph fg = createNonlinearFactorGraph();
Config c1 = createConfig();
double actual1 = fg.error(c1);
DOUBLES_EQUAL( 0.0, actual1, 1e-9 );
Config c2 = createNoisyConfig();
double actual2 = fg.error(c2);
DOUBLES_EQUAL( 5.625, actual2, 1e-9 );
}
/* ************************************************************************* */
TEST( Graph, GET_ORDERING)
{
Ordering expected;
expected += "l1","x2","x1";
Graph nlfg = createNonlinearFactorGraph();
Ordering actual = nlfg.getOrdering();
CHECK(assert_equal(expected,actual));
}
/* ************************************************************************* */
TEST( Graph, probPrime )
{
Graph fg = createNonlinearFactorGraph();
Config cfg = createConfig();
// evaluate the probability of the factor graph
double actual = fg.probPrime(cfg);
double expected = 1.0;
DOUBLES_EQUAL(expected,actual,0);
}
/* ************************************************************************* */
TEST( Graph, linearize )
{
Graph fg = createNonlinearFactorGraph();
Config initial = createNoisyConfig();
boost::shared_ptr<GaussianFactorGraph> linearized = fg.linearize(initial);
GaussianFactorGraph expected = createGaussianFactorGraph();
CHECK(assert_equal(expected,*linearized)); // Needs correct linearizations
}
/* ************************************************************************* */
int main() {
TestResult tr;
return TestRegistry::runAllTests(tr);
}
/* ************************************************************************* */