Needed std::

2013-08-09 18:50:15 +00:00 · 2013-08-09 18:50:15 +00:00 · bb4ad176da
parent 1eae17561d
commit bb4ad176da
1 changed files with 1 additions and 1 deletions
--- a/gtsam_unstable/slam/SmartProjectionFactor.h
+++ b/gtsam_unstable/slam/SmartProjectionFactor.h
@ -391,7 +391,7 @@ namespace gtsam {
            Point2 reprojectionError(camera.project(*point) - measured_.at(i));
            overallError += noise_->distance( reprojectionError.vector() );
          }
-          return sqrt(overallError);
+          return std::sqrt(overallError);
        }else{ // triangulation failed: we deactivate the factor, then the error should not contribute to the overall error
          return 0.0;
        }