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-rw-r--r--src/core/math_func.hpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/core/math_func.hpp b/src/core/math_func.hpp
index 19f2f53d6..92893ed31 100644
--- a/src/core/math_func.hpp
+++ b/src/core/math_func.hpp
@@ -346,4 +346,6 @@ static FORCEINLINE int RoundDivSU(int a, uint b)
}
}
+uint32 IntSqrt(uint32 num);
+
#endif /* MATH_FUNC_HPP */