mirror/Sprout
1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout.git synced 2025-07-14 15:04:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

fix math/comparison.hpp

Browse source
This commit is contained in:
bolero-MURAKAMI 2012-07-07 14:58:46 +09:00
parent 1c65d59971
commit 3b6ba46f17
23 changed files with 389 additions and 175 deletions
Download patch file Download diff file Expand all files Collapse all files

25
sprout/math/compare.hpp
View file

@ -4,33 +4,24 @@
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/math/equal_to.hpp>
#include <sprout/math/float_promote.hpp>
#include <sprout/math/less.hpp>
#include <sprout/type_traits/enabler_if.hpp>
namespace sprout {
namespace math {
namespace detail {
template<typename T>
inline SPROUT_CONSTEXPR int
compare_impl(T x, T y) {
return sprout::math::equal_to(x, y) ? 0
: x < y ? -1
: 1
;
}
} // namespace detail
//
// compare
//
template<
typename T1,
typename T2,
typename sprout::enabler_if<std::is_arithmetic<T1>::value && std::is_arithmetic<T2>::value>::type = sprout::enabler
typename T, typename U,
typename sprout::enabler_if<std::is_arithmetic<T>::value && std::is_arithmetic<U>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR int
compare(T1 x, T2 y) {
typedef typename sprout::math::float_promote<T1, T2>::type promoted;
return sprout::math::detail::compare_impl<promoted>(x, y);
compare(T x, U y) {
return sprout::math::equal_to(x, y) ? 0
: sprout::math::less(x, y) ? -1
: 1
;
}
} // namespace math
} // namespace sprout