+
+void
+check_int_close (int a, int b, int d)
+{
+ BOOST_CHECK_MESSAGE (std::abs(a - b) < d, a << " differs from " << b << " by more than " << d);
+}
+
+
+void
+check_int_close (std::pair<int, int> a, std::pair<int, int> b, int d)
+{
+ check_int_close (a.first, b.first, d);
+ check_int_close (a.second, b.second, d);
+}
+
+
+ConfigRestorer::~ConfigRestorer()
+{
+ setup_test_config();
+}
+