[Lemon-devel] Fix PredMapPath::empty()

[Gabor Retvari]

Dear all,

I think the below behavior of PredMapPath::empty() makes more sense.

Regards,
Gabor

################

# HG changeset patch
# User retvari at everything
# Date 1271017722 -7200
# Node ID 6e741754566a2075505527319b57862baf59931f
# Parent  6dd226d3dcbaa9f7474a9b9f445f1c617d65d481
Fix PredMapPath::empty()

diff --git a/lemon/bits/path_dump.h b/lemon/bits/path_dump.h
--- a/lemon/bits/path_dump.h
+++ b/lemon/bits/path_dump.h
@@ -49,7 +49,7 @@
     }
 
     bool empty() const {
-      return predMap[target] != INVALID;
+      return predMap[target] == INVALID;
     }
 
     class RevArcIt {