diff options
| author | Carl Hetherington <cth@carlh.net> | 2014-06-13 12:03:02 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2014-06-13 12:03:02 +0100 |
| commit | 2ae66c798b40813a0c03083747774524087ed122 (patch) | |
| tree | f9b5f19d9f26d74919a887bdb1b78bc34ca978f8 /src/lib/position.h | |
| parent | ab011bbc0d68ff676a672c7c4c1bef81e84a5007 (diff) | |
Add some operators.
Diffstat (limited to 'src/lib/position.h')
| -rw-r--r-- | src/lib/position.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/lib/position.h b/src/lib/position.h index d68fcb1af..345f7ab4a 100644 --- a/src/lib/position.h +++ b/src/lib/position.h @@ -50,4 +50,18 @@ operator+ (Position<T> const & a, Position<T> const & b) return Position<T> (a.x + b.x, a.y + b.y); } +template<class T> +Position<T> +operator- (Position<T> const & a, Position<T> const & b) +{ + return Position<T> (a.x - b.x, a.y - b.y); +} + +template<class T> +bool +operator== (Position<T> const & a, Position<T> const & b) +{ + return a.x == b.x && a.y == b.y; +} + #endif |