2016-01

lib/src/Coord.cpp

@@ -95,6 +95,22 @@ auto operator-=(Coord & a, Coord b) -> Coord & {
   return a;
 }
 
+auto operator*(Coord a, std::int64_t b) -> Coord {
+  return a *= b;
+}
+
+auto operator*(std::int64_t a, Coord b) -> Coord {
+  b.x *= a;
+  b.y *= a;
+  return b;
+}
+
+auto operator*=(Coord & a, std::int64_t b) -> Coord & {
+  a.x *= b;
+  a.y *= b;
+  return a;
+}
+
 auto operator<<(std::ostream & out, Coord c) -> std::ostream & {
   return out << "(" << c.x << "," << c.y << ")";
 }