X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2Fmisc%2FCartesian.java;h=676a4cf3f597def00bcaf4ac18260f8cc8faad4e;hp=6627fbf1c5b8ce6c77240db2810347fc12152034;hb=c8a17fdd2e149fe5feecd96c71b7f2cab286ab96;hpb=92d14ef4956f39a591363709ed95bfa2999dc319

diff --git a/src/edu/berkeley/sbp/misc/Cartesian.java b/src/edu/berkeley/sbp/misc/Cartesian.java
index 6627fbf..676a4cf 100644
--- a/src/edu/berkeley/sbp/misc/Cartesian.java
+++ b/src/edu/berkeley/sbp/misc/Cartesian.java
@@ -51,7 +51,7 @@ public class Cartesian {
         public int getRow() { return row; }
         public Location(int col, int row) { this.row = row; this.col = col; }
         public int compareTo(Input.Location loc) throws ClassCastException {
-            if (!(loc instanceof Cartesian)) throw new ClassCastException();
+            if (!(loc instanceof Cartesian.Location)) throw new ClassCastException(loc.getClass().getName());
             Location<Tok> c = (Location<Tok>)loc;
             if (row < c.row) return -1;
             if (row > c.row) return  1;