Clean up in geometry_utils.h
Change-Id: I876bceed12cf533cb29d290fbc05a686f4030579
diff --git a/native/jni/src/defines.h b/native/jni/src/defines.h
index 4d5a2b2..f5f5278 100644
--- a/native/jni/src/defines.h
+++ b/native/jni/src/defines.h
@@ -392,6 +392,8 @@
template<typename T> inline T min(T a, T b) { return a < b ? a : b; }
template<typename T> inline T max(T a, T b) { return a > b ? a : b; }
+#define M_PI_F 3.14159265f
+
#define NELEMS(x) (sizeof(x) / sizeof((x)[0]))
// The ratio of neutral area radius to sweet spot radius.