libcore|Math: de::wrap asserts that the range is valid

skyjake · Dec 26, 2015 · 6f1586f · 6f1586f
1 parent b67126b
commit 6f1586f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/doomsday/sdk/libcore/include/de/math.h b/doomsday/sdk/libcore/include/de/math.h
@@ -102,6 +102,7 @@ inline Type clamp(Type const &value, Type const &lowHighLimit) {
 /// Wrap value within range [low, high).
 template <typename Type>
 Type wrap(Type value, Type const &low, Type const &high) {
+    DENG2_ASSERT(high > low);
     Type const range = high - low;
     while(value < low) value += range;
     while(value >= high) value -= range;