gtsam/cpp/testVectorMap.cpp

234 lines
6.8 KiB
C++

/**
* @file testVectorMap.cpp
* @brief Unit tests for Factor Graph Configuration
* @author Carlos Nieto
**/
/*STL/C++*/
#include <iostream>
#include <sstream>
//#include TEST_AC_DEFINE
#ifdef HAVE_BOOST_SERIALIZATION
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#endif //HAVE_BOOST_SERIALIZATION
#define GTSAM_MAGIC_KEY
#include <CppUnitLite/TestHarness.h>
#include "Matrix.h"
#include "VectorMap.h"
using namespace std;
using namespace gtsam;
static Symbol l1('l',1), x1('x',1), x2('x',2);
/* ************************************************************************* */
VectorMap smallVectorMap() {
VectorMap c;
c.insert(l1, Vector_(2, 0.0, -1.0));
c.insert(x1, Vector_(2, 0.0, 0.0));
c.insert(x2, Vector_(2, 1.5, 0.0));
return c;
}
/* ************************************************************************* */
TEST( VectorMap, equals1 )
{
VectorMap expected;
Vector v = Vector_(3, 5.0, 6.0, 7.0);
expected.insert("a",v);
VectorMap actual;
actual.insert("a",v);
CHECK(assert_equal(expected,actual));
}
/* ************************************************************************* */
TEST( VectorMap, equals2 )
{
VectorMap cfg1, cfg2;
Vector v1 = Vector_(3, 5.0, 6.0, 7.0);
Vector v2 = Vector_(3, 5.0, 6.0, 8.0);
cfg1.insert("x", v1);
cfg2.insert("x", v2);
CHECK(!cfg1.equals(cfg2));
CHECK(!cfg2.equals(cfg1));
}
/* ************************************************************************* */
#include <limits>
double inf = std::numeric_limits<double>::infinity();
TEST( VectorMap, equals_nan )
{
VectorMap cfg1, cfg2;
Vector v1 = Vector_(3, 5.0, 6.0, 7.0);
Vector v2 = Vector_(3, inf, inf, inf);
cfg1.insert("x", v1);
cfg2.insert("x", v2);
CHECK(!cfg1.equals(cfg2));
CHECK(!cfg2.equals(cfg1));
}
/* ************************************************************************* */
TEST( VectorMap, contains)
{
VectorMap fg;
Vector v = Vector_(3, 5.0, 6.0, 7.0);
fg.insert("a", v);
CHECK(fg.contains("a"));
CHECK(!fg.contains("g"));
}
/* ************************************************************************* */
TEST( VectorMap, expmap)
{
VectorMap c = smallVectorMap();
Vector v = Vector_(6, 0.0,-1.0, 0.0, 0.0, 1.5, 0.0); // l1, x1, x2
CHECK(assert_equal(expmap(c,c),expmap(c,v)));
}
/* ************************************************************************* */
TEST( VectorMap, plus)
{
VectorMap c;
Vector vx = Vector_(3, 5.0, 6.0, 7.0), vy = Vector_(2, 8.0, 9.0);
c += VectorMap("x",vx);
c += VectorMap("y",vy);
VectorMap delta;
Vector dx = Vector_(3, 1.0, 1.0, 1.0), dy = Vector_(2, -1.0, -1.0);
delta.insert("x", dx).insert("y",dy);
VectorMap expected;
Vector wx = Vector_(3, 6.0, 7.0, 8.0), wy = Vector_(2, 7.0, 8.0);
expected.insert("x", wx).insert("y",wy);
// functional
VectorMap actual = expmap(c,delta);
CHECK(assert_equal(expected,actual));
}
/* ************************************************************************* */
TEST( VectorMap, scale) {
VectorMap cfg;
cfg.insert("x", Vector_(2, 1.0, 2.0));
cfg.insert("y", Vector_(2,-1.0,-2.0));
VectorMap actual = cfg.scale(2.0);
VectorMap expected;
expected.insert("x", Vector_(2, 2.0, 4.0));
expected.insert("y", Vector_(2,-2.0,-4.0));
CHECK(assert_equal(actual, expected));
}
/* ************************************************************************* */
TEST( VectorMap, axpy) {
VectorMap x,y,expected;
x += VectorMap("x",Vector_(3, 1.0, 1.0, 1.0));
x += VectorMap("y",Vector_(2, -1.0, -1.0));
y += VectorMap("x",Vector_(3, 5.0, 6.0, 7.0));
y += VectorMap("y",Vector_(2, 8.0, 9.0));
expected += VectorMap("x",Vector_(3, 15.0, 16.0, 17.0));
expected += VectorMap("y",Vector_(2, -2.0, -1.0));
axpy(10,x,y);
CHECK(assert_equal(expected,y));
}
/* ************************************************************************* */
TEST( VectorMap, scal) {
VectorMap x,expected;
x += VectorMap("x",Vector_(3, 1.0, 2.0, 3.0));
x += VectorMap("y",Vector_(2, 4.0, 5.0));
expected += VectorMap("x",Vector_(3, 10.0, 20.0, 30.0));
expected += VectorMap("y",Vector_(2, 40.0, 50.0));
scal(10,x);
CHECK(assert_equal(expected,x));
}
/* ************************************************************************* */
TEST( VectorMap, update_with_large_delta) {
// this test ensures that if the update for delta is larger than
// the size of the config, it only updates existing variables
VectorMap init, delta;
init.insert("x", Vector_(2, 1.0, 2.0));
init.insert("y", Vector_(2, 3.0, 4.0));
delta.insert("x", Vector_(2, 0.1, 0.1));
delta.insert("y", Vector_(2, 0.1, 0.1));
delta.insert("p", Vector_(2, 0.1, 0.1));
VectorMap actual = expmap(init,delta);
VectorMap expected;
expected.insert("x", Vector_(2, 1.1, 2.1));
expected.insert("y", Vector_(2, 3.1, 4.1));
CHECK(assert_equal(actual, expected));
}
/* ************************************************************************* */
TEST( VectorMap, dot) {
VectorMap c = smallVectorMap();
DOUBLES_EQUAL(3.25,dot(c,c),1e-9);
}
/* ************************************************************************* */
TEST( VectorMap, dim) {
VectorMap c = smallVectorMap();
LONGS_EQUAL(6,c.dim());
}
/* ************************************************************************* */
TEST( VectorMap, operators) {
VectorMap c; c.insert("x", Vector_(2, 1.1, 2.2));
VectorMap expected1; expected1.insert("x", Vector_(2, 2.2, 4.4));
CHECK(assert_equal(expected1,c*2));
CHECK(assert_equal(expected1,c+c));
VectorMap expected2; expected2.insert("x", Vector_(2, 0.0, 0.0));
CHECK(assert_equal(expected2,c-c));
}
/* ************************************************************************* */
TEST( VectorMap, getReference) {
VectorMap c; c.insert("x", Vector_(2, 1.1, 2.2));
Vector& cx = c["x"];
cx = cx*2.0;
VectorMap expected; expected.insert("x", Vector_(2, 2.2, 4.4));
CHECK(assert_equal(expected,c));
}
/* ************************************************************************* */
#ifdef HAVE_BOOST_SERIALIZATION
TEST( VectorMap, serialize)
{
//DEBUG:
cout << "VectorMap: Running Serialization Test" << endl;
//create an VectorMap
VectorMap fg = createConfig();
//serialize the config
std::ostringstream in_archive_stream;
boost::archive::text_oarchive in_archive(in_archive_stream);
in_archive << fg;
std::string serialized_fgc = in_archive_stream.str();
//deserialize the config
std::istringstream out_archive_stream(serialized_fgc);
boost::archive::text_iarchive out_archive(out_archive_stream);
VectorMap output;
out_archive >> output;
//check for equality
CHECK(fg.equals(output));
}
#endif //HAVE_BOOST_SERIALIZATION
/* ************************************************************************* */
int main() { TestResult tr; return TestRegistry::runAllTests(tr); }
/* ************************************************************************* */