maths: add limit function for min/max'ing

2014-08-02 21:13:51 +10:00 · 2014-08-02 21:13:51 +10:00 · 2eaf2ee73c
commit 2eaf2ee73c
parent 5e1aad2f15
1 changed files with 8 additions and 0 deletions
--- a/maths.hpp
+++ b/maths.hpp
@ -175,6 +175,14 @@ template <typename T>
 int sign (T val);


+template <typename T, typename U, typename V>
+T
+limit (const T &&val, const U &&hi, const V &&lo) {
+    return val > hi ? hi:
+           val < lo ? lo:
+           std::move (val);
+}
+
 #include "maths.ipp"

 #endif // __MATHS_HPP