Round rect outline clipping

Change-Id: Iee9cf4f719f6f1917507b69189ad114fa365917b
diff --git a/libs/hwui/utils/MathUtils.h b/libs/hwui/utils/MathUtils.h
index 1a7082b..997acde2 100644
--- a/libs/hwui/utils/MathUtils.h
+++ b/libs/hwui/utils/MathUtils.h
@@ -34,6 +34,10 @@
         return value >= gNonZeroEpsilon;
     }
 
+    inline static bool areEqual(float valueA, float valueB) {
+        return isZero(valueA - valueB);
+    }
+
     inline static int min(int a, int b) {
         return a < b ? a : b;
     }