Fix NaN when computing contacts between a cuboid and a perfectly vertical triangle.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index aae0bd0..118ac23 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -18,6 +18,8 @@ pub extern crate ncollide3d as ncollide;
 #[cfg(feature = "serde")]
 #[macro_use]
 extern crate serde;
+#[macro_use]
+extern crate approx;
 extern crate num_traits as num;
 // #[macro_use]
 // extern crate array_macro;