1 files changed, 1 insertions, 0 deletions
diff --git a/src/main.h b/src/main.h
index a78bab0..aeb4949 100644
--- a/src/main.h
+++ b/src/main.h
@@ -21,6 +21,7 @@ using Eigen::Matrix3d;
 using Eigen::Quaterniond;
 using Eigen::Vector3d;
 
+double aboveWater(const Quaterniond &q);
 int parseLine(char *line, message *msg);
 timestamp update_dt(const timestamp t, timestamp *t_old);