1 files changed, 79 insertions, 0 deletions
diff --git a/src/boost/libs/geometry/test/util/math_equals.cpp b/src/boost/libs/geometry/test/util/math_equals.cpp
new file mode 100644
index 00000000..0f26f695
--- /dev/null
+++ b/src/boost/libs/geometry/test/util/math_equals.cpp
@@ -0,0 +1,79 @@
+// Boost.Geometry
+// Unit Test
+
+// Copyright (c) 2015 Oracle and/or its affiliates.
+
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
+// Use, modification and distribution is subject to the Boost Software License,
+// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+
+#include <geometry_test_common.hpp>
+
+#include <limits>
+#include <boost/geometry/util/condition.hpp>
+#include <boost/geometry/util/math.hpp>
+
+namespace bgm = bg::math;
+
+template <typename T>
+void test_all()
+{
+    BOOST_CHECK(bgm::equals(0, 0));
+    BOOST_CHECK(bgm::equals(1, 1));
+    BOOST_CHECK(bgm::equals(123456, 123456));
+    
+    T eps = std::numeric_limits<T>::epsilon();
+    if ( eps > 0 )
+    {
+        BOOST_CHECK(bgm::equals(0, 0+eps));
+        BOOST_CHECK(bgm::equals(0+eps, 0));
+        BOOST_CHECK(bgm::equals(1, 1+eps));
+        BOOST_CHECK(bgm::equals(1+eps, 1));
+        BOOST_CHECK(bgm::equals(12345+eps, 12345));
+    }
+
+    if (BOOST_GEOMETRY_CONDITION(std::numeric_limits<T>::has_infinity))
+    {
+        T inf = std::numeric_limits<T>::infinity();
+        BOOST_CHECK(!bgm::equals(0, inf));
+        BOOST_CHECK(!bgm::equals(0, -inf));
+        BOOST_CHECK(!bgm::equals(1, inf));
+        BOOST_CHECK(!bgm::equals(1, -inf));
+        BOOST_CHECK(!bgm::equals(12345, inf));
+        BOOST_CHECK(!bgm::equals(12345, -inf));
+        BOOST_CHECK(!bgm::equals(inf, 0));
+        BOOST_CHECK(!bgm::equals(-inf, 0));
+        BOOST_CHECK(!bgm::equals(inf, 1));
+        BOOST_CHECK(!bgm::equals(-inf, 1));
+        BOOST_CHECK(!bgm::equals(inf, 12345));
+        BOOST_CHECK(!bgm::equals(-inf, 12345));
+        BOOST_CHECK(bgm::equals(inf, inf));
+        BOOST_CHECK(bgm::equals(-inf, -inf));
+        BOOST_CHECK(!bgm::equals(inf, -inf));
+        BOOST_CHECK(!bgm::equals(-inf, inf));
+    }
+
+    if (BOOST_GEOMETRY_CONDITION(std::numeric_limits<T>::has_quiet_NaN))
+    {
+        T nan = std::numeric_limits<T>::quiet_NaN();
+        BOOST_CHECK(!bgm::equals(0, nan));
+        BOOST_CHECK(!bgm::equals(nan, 0));
+        BOOST_CHECK(!bgm::equals(nan, nan));
+        BOOST_CHECK(!bgm::equals(1, nan));
+        BOOST_CHECK(!bgm::equals(nan, 1));
+        BOOST_CHECK(!bgm::equals(12345, nan));
+        BOOST_CHECK(!bgm::equals(nan, 12345));
+    }
+}
+
+int test_main(int, char* [])
+{
+    test_all<int>();
+    test_all<float>();
+    test_all<double>();
+    
+    return 0;
+}