utils/sv_test.cc


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#define BOOST_TEST_MODULE WeightsTest
#include <boost/test/unit_test.hpp>
#include <boost/test/floating_point_comparison.hpp>
#include "sparse_vector.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);
}