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#define BOOST_TEST_MODULE WeightsTest
#include <boost/test/unit_test.hpp>
#include <boost/test/floating_point_comparison.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#include <sstream>
#include <string>
#include "sparse_vector.h"
#include "fdict.h"
using namespace std;
BOOST_AUTO_TEST_CASE(Dot) {
SparseVector<double> x;
SparseVector<double> y;
x.set_value(1,0.8);
y.set_value(1,5);
x.set_value(2,-2);
y.set_value(2,1);
x.set_value(3,80);
BOOST_CHECK_CLOSE(x.dot(y), 2.0, 1e-9);
}
BOOST_AUTO_TEST_CASE(Equality) {
SparseVector<double> x;
SparseVector<double> y;
x.set_value(1,-1);
y.set_value(1,-1);
BOOST_CHECK(x == y);
}
BOOST_AUTO_TEST_CASE(Division) {
SparseVector<double> x;
SparseVector<double> y;
x.set_value(1,1);
y.set_value(1,-1);
BOOST_CHECK(!(x == y));
x /= -1;
BOOST_CHECK(x == y);
}
BOOST_AUTO_TEST_CASE(Serialization) {
string arc;
FD::dict_.clear();
{
SparseVector<double> x;
x.set_value(FD::Convert("Feature1"), 1.0);
x.set_value(FD::Convert("Pi"), 3.14);
ostringstream os;
boost::archive::text_oarchive oa(os);
oa << x;
arc = os.str();
}
FD::dict_.clear();
FD::Convert("SomeNewString");
{
SparseVector<double> x;
istringstream is(arc);
boost::archive::text_iarchive ia(is);
ia >> x;
cerr << x << endl;
BOOST_CHECK_CLOSE(x.get(FD::Convert("Pi")), 3.14, 1e-9);
BOOST_CHECK_CLOSE(x.get(FD::Convert("Feature1")), 1.0, 1e-9);
}
}
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