add Clamp function

2019-03-18 17:35:23 +08:00 · 2019-03-18 17:35:23 +08:00 · 128aab9252
commit 128aab9252
parent e2f4d2c9a4
1 changed files with 6 additions and 0 deletions
--- a/a8/sysutils.h
+++ b/a8/sysutils.h
@ -42,6 +42,12 @@ namespace a8
        return t.back();
    }

+    template <typename T>
+    const T& Clamp(const T& v, const T& lo, const T& hi)
+    {
+        return v < hi ? (v > lo ? v : lo) : hi;
+    }
+
    template <typename T>
    void SetToVector(std::set<T>& set_v, std::vector<T>& vector_v)
    {