1 files changed, 6 insertions, 0 deletions
diff --git a/include/mbgl/util/unitbezier.hpp b/include/mbgl/util/unitbezier.hpp
index 6e644e2d1f..92f23d6718 100644
--- a/include/mbgl/util/unitbezier.hpp
+++ b/include/mbgl/util/unitbezier.hpp
@@ -26,6 +26,7 @@
 #pragma once
 
 #include <cmath>
+#include <tuple>
 
 namespace mbgl {
 namespace util {
@@ -102,6 +103,11 @@ struct UnitBezier {
     double solve(double x, double epsilon) const {
         return sampleCurveY(solveCurveX(x, epsilon));
     }
+    
+    bool operator==(const UnitBezier& rhs) const {
+        return std::tie(cx, bx, ax, cy, by, ay) ==
+            std::tie(rhs.cx, rhs.bx, rhs.ax, rhs.cy, rhs.by, rhs.ay);
+    }
 
 private:
     const double cx;