shape ops work in progress
add copyrights everywhere
start working on quadratic line segments (for quad intersection)

git-svn-id: http://skia.googlecode.com/svn/trunk@5286 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Intersection/Extrema.h b/experimental/Intersection/Extrema.h
index 0988540..94113ac 100644
--- a/experimental/Intersection/Extrema.h
+++ b/experimental/Intersection/Extrema.h
@@ -1,2 +1,8 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
 int findExtrema(double a, double b, double c, double d, double tValues[2]);
 int findExtrema(double a, double b, double c, double tValue[1]);