path ops work in progress

src/pathops/SkPathOpsTypes.h

Index: src/pathops/SkPathOpsTypes.h
diff --git a/src/pathops/SkPathOpsTypes.h b/src/pathops/SkPathOpsTypes.h
index 6ead79455cce934452e64924a19505dfaf29e1f6..20641d334538f759a188f84236231a370641a999 100644
--- a/src/pathops/SkPathOpsTypes.h
+++ b/src/pathops/SkPathOpsTypes.h
@@ -28,6 +28,11 @@ inline bool AlmostEqualUlps(double A, double B) {
     return AlmostEqualUlps(SkDoubleToScalar(A), SkDoubleToScalar(B));
 }
 
+bool RoughlyEqualUlps(float A, float B);
+inline bool RoughlyEqualUlps(double A, double B) {
+    return RoughlyEqualUlps(SkDoubleToScalar(A), SkDoubleToScalar(B));
+}
+
 // FLT_EPSILON == 1.19209290E-07 == 1 / (2 ^ 23)
 // DBL_EPSILON == 2.22045e-16
 const double FLT_EPSILON_CUBED = FLT_EPSILON * FLT_EPSILON * FLT_EPSILON;