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-rw-r--r-- | src/boost/libs/hana/example/ext/std/ratio/arithmetic.cpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/ext/std/ratio/arithmetic.cpp b/src/boost/libs/hana/example/ext/std/ratio/arithmetic.cpp new file mode 100644 index 000000000..7bcdbbd3f --- /dev/null +++ b/src/boost/libs/hana/example/ext/std/ratio/arithmetic.cpp @@ -0,0 +1,57 @@ +// Copyright Louis Dionne 2013-2017 +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) + +#include <boost/hana/assert.hpp> +#include <boost/hana/div.hpp> +#include <boost/hana/equal.hpp> +#include <boost/hana/ext/std/ratio.hpp> +#include <boost/hana/minus.hpp> +#include <boost/hana/mod.hpp> +#include <boost/hana/mult.hpp> +#include <boost/hana/one.hpp> +#include <boost/hana/plus.hpp> +#include <boost/hana/zero.hpp> + +#include <ratio> +namespace hana = boost::hana; + + +BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::plus(std::ratio<5, 3>{}, std::ratio<3, 12>{}), + std::ratio<23, 12>{} +)); + +BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::minus(std::ratio<5, 3>{}, std::ratio<3, 13>{}), + std::ratio<56, 39>{} +)); + +BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::mult(std::ratio<5, 3>{}, std::ratio<3, 13>{}), + std::ratio<15, 39>{} +)); + +BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::div(std::ratio<5, 3>{}, std::ratio<3, 13>{}), + std::ratio<65, 9>{} +)); + +// The mod of two ratios is always 0, because they can always be +// divided without remainder. +BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::mod(std::ratio<5, 3>{}, std::ratio<3, 13>{}), + std::ratio<0>{} +)); + +BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::zero<hana::ext::std::ratio_tag>(), + std::ratio<0>{} +)); + +BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::one<hana::ext::std::ratio_tag>(), + std::ratio<1>{} +)); + +int main() { } |