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coord/ops: add elementwise limit operation

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This commit is contained in:
Danny Robson 2017-08-16 17:26:16 +10:00
parent d6b77f879f
commit c49738e7a3
1 changed files with 19 additions and 0 deletions
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19
coord/ops.hpp
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@ -703,6 +703,25 @@ namespace util {
} }
//-------------------------------------------------------------------------
template <
size_t S,
typename T,
template<size_t,typename> class K,
typename = std::enable_if_t<
is_coord_v<K<S,T>>, void
>
>
constexpr
K<S,T>
limit (K<S,T> k, K<S,T> lo, K<S,T> hi)
{
assert (all (lo <= hi));
return max (min (k, hi), lo);
}
///------------------------------------------------------------------------ ///------------------------------------------------------------------------
template < template <
size_t S, size_t S,