Add use of 'cc' to improve C++ code style linting

src/operations.h

@@ -1,3 +1,17 @@
+// Copyright 2013, 2014, 2015, 2016, 2017 Lovell Fuller and contributors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #ifndef SRC_OPERATIONS_H_
 #define SRC_OPERATIONS_H_
 
@@ -78,8 +92,7 @@ namespace sharp {
     Calculate crop area based on given strategy (Entropy, Attention)
   */
   std::tuple<int, int> Crop(
-    VImage image, int const outWidth, int const outHeight, std::function<double(VImage)> strategy
-  );
+    VImage image, int const outWidth, int const outHeight, std::function<double(VImage)> strategy);
 
   /*
     Insert a tile cache to prevent over-computation of any previous operations in the pipeline