Streamline various block-related algorithms

[r2c2.git] / source / libr2c2 / trackiter.cpp

diff --git a/source/libr2c2/trackiter.cpp b/source/libr2c2/trackiter.cpp
index e07c71c02bac8faa42f7ec067eb184c3f7847e97..da949e75160351363b0ec2513deb81143a5ec6ea 100644 (file)
--- a/source/libr2c2/trackiter.cpp
+++ b/source/libr2c2/trackiter.cpp
@@ -37,7 +37,9 @@ BlockIter TrackIter::block_iter() const
 
        if(!_track->get_type().is_turnout())
        {
-               TrackIter rev = reverse();
+               /* Since there was no endpoint match, the preceding track can't be in a
+               different block. */
+               TrackIter rev = flip();
                TrackIter last;
                while(rev && &rev.track()->get_block()==&block)
                {