diff --git a/test/util/Jamfile.v2 b/test/util/Jamfile.v2 index 70a463777..0a7626b55 100644 --- a/test/util/Jamfile.v2 +++ b/test/util/Jamfile.v2 @@ -17,6 +17,7 @@ test-suite boost-geometry-util : [ run calculation_type.cpp ] [ run for_each_coordinate.cpp ] + [ run math_equals.cpp ] [ run math_sqrt.cpp ] [ run promote_integral.cpp ] [ run range.cpp ] diff --git a/test/util/math_equals.cpp b/test/util/math_equals.cpp new file mode 100644 index 000000000..0f26f6951 --- /dev/null +++ b/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 + +#include +#include +#include + +namespace bgm = bg::math; + +template +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::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::has_infinity)) + { + T inf = std::numeric_limits::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::has_quiet_NaN)) + { + T nan = std::numeric_limits::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(); + test_all(); + test_all(); + + return 0; +}