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coord/ops: rename traits to result

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This commit is contained in:
Danny Robson 2016-08-11 14:23:32 +10:00
parent efb2657798
commit 650f5c05e6
1 changed files with 21 additions and 11 deletions
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32
coord/ops.hpp
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@ -34,16 +34,22 @@ namespace util {
template <size_t,typename> class A, template <size_t,typename> class A,
template <size_t,typename> class B template <size_t,typename> class B
> >
struct traits { }; struct result { };
//------------------------------------------------------------------------- //-------------------------------------------------------------------------
template <> struct traits<colour,colour> { template <size_t S, typename T> using result = colour<S,T>; }; template <> struct result<colour,colour> { template <size_t S, typename T> using type = colour<S,T>; };
template <> struct traits<extent,extent> { template <size_t S, typename T> using result = extent<S,T>; }; template <> struct result<extent,extent> { template <size_t S, typename T> using type = extent<S,T>; };
template <> struct traits<extent,vector> { template <size_t S, typename T> using result = extent<S,T>; }; template <> struct result<extent,vector> { template <size_t S, typename T> using type = extent<S,T>; };
template <> struct traits<point,extent> { template <size_t S, typename T> using result = point <S,T>; }; template <> struct result<point,extent> { template <size_t S, typename T> using type = point <S,T>; };
template <> struct traits<point,vector> { template <size_t S, typename T> using result = point <S,T>; }; template <> struct result<point,vector> { template <size_t S, typename T> using type = point <S,T>; };
template <> struct traits<vector,point> { template <size_t S, typename T> using result = point <S,T>; }; template <> struct result<vector,point> { template <size_t S, typename T> using type = point <S,T>; };
template <> struct traits<vector,vector> { template <size_t S, typename T> using result = vector<S,T>; }; template <> struct result<vector,vector> { template <size_t S, typename T> using type = vector<S,T>; };
template <
template <size_t,typename> class A,
template <size_t,typename> class B
>
using result_t = typename result<A,B>::type;
} }
template <template <size_t,typename> class> struct is_coord : std::false_type { }; template <template <size_t,typename> class> struct is_coord : std::false_type { };
@ -76,7 +82,7 @@ namespace util {
auto \ auto \
operator OP (A<S,T> a, B<S,U> b) \ operator OP (A<S,T> a, B<S,U> b) \
{ \ { \
typename coord::traits<A,B>::template result< \ typename coord::result<A,B>::template type< \
S,std::common_type_t<T,U> \ S,std::common_type_t<T,U> \
> out {}; \ > out {}; \
for (size_t i = 0; i < S; ++i) \ for (size_t i = 0; i < S; ++i) \
@ -319,7 +325,7 @@ namespace util {
} }
//------------------------------------------------------------------------- ///////////////////////////////////////////////////////////////////////////
template < template <
size_t S, size_t S,
typename T typename T
@ -334,6 +340,8 @@ namespace util {
return sum; return sum;
} }
//-------------------------------------------------------------------------
template < template <
size_t S, size_t S,
typename T, typename T,
@ -351,6 +359,7 @@ namespace util {
} }
//-------------------------------------------------------------------------
template < template <
size_t S, size_t S,
typename T, typename T,
@ -367,6 +376,7 @@ namespace util {
} }
//-------------------------------------------------------------------------
template < template <
size_t S, size_t S,
typename T, typename T,
@ -401,7 +411,7 @@ namespace util {
return k; return k;
} }
//------------------------------------------------------------------------- ///////////////////////////////////////////////////////////////////////////
template < template <
size_t S, size_t S,
typename T, typename T,