colour: describe the rationale for overloaded cast operator

2016-08-12 15:17:09 +10:00 · 2016-08-12 15:17:09 +10:00 · 931dc65727
commit 931dc65727
parent 94ef217778
1 changed files with 1 additions and 0 deletions
--- a/colour.hpp
+++ b/colour.hpp
@ -29,6 +29,7 @@ namespace util {
        using coord::base<S,T,util::colour,coord::rgba,coord::hsv>::base;
        using base_t = coord::base<S,T,util::colour,coord::rgba,coord::hsv>;

+        // overloaded cast operator which assumes values are unit normalised
        template <typename U>
        colour<S,U>
        cast (void) const;