diff options
| author | Dane Springmeyer <dane@mapbox.com> | 2015-05-08 15:19:41 -0700 |
|---|---|---|
| committer | Dane Springmeyer <dane@mapbox.com> | 2015-05-08 15:19:41 -0700 |
| commit | 768c259495200ff3214dd4eb1284aaa49a7a814c (patch) | |
| tree | 57253e67be6051d469d47d3daa40bd6d968ffb39 /include | |
| parent | 5ef362bbc45e7b553f5d21a5368e09dd243a8a0c (diff) | |
| download | qtlocation-mapboxgl-768c259495200ff3214dd4eb1284aaa49a7a814c.tar.gz | |
fix division by zero conditions
Diffstat (limited to 'include')
| -rw-r--r-- | include/mbgl/util/math.hpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/mbgl/util/math.hpp b/include/mbgl/util/math.hpp index 6dea628e93..5fcf3dce80 100644 --- a/include/mbgl/util/math.hpp +++ b/include/mbgl/util/math.hpp @@ -100,7 +100,11 @@ inline T mag(const S& a) { template <typename S> inline S unit(const S& a) { - return a * (1 / mag(a)); + auto magnitude = mag(a); + if (magnitude == 0) { + return a; + } + return a * (1 / magnitude); } template <typename T> |