X-Git-Url: http://git.megacz.com/?p=anneal.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fqfat%2Fgeom%2FHasBindingGroup.java;fp=src%2Fedu%2Fberkeley%2Fqfat%2Fgeom%2FHasBindingGroup.java;h=064b65715eb94fcb7f443386fe7f4a988d7f2ad5;hp=5b761a313f7e05dffae1eea05c0aee4a3f5f7ed7;hb=33fcd7732290bcd1c7108ba9388af173fd139ee2;hpb=057c13160ad92b08ea09a9e0af78a7fd043bf0b2

diff --git a/src/edu/berkeley/qfat/geom/HasBindingGroup.java b/src/edu/berkeley/qfat/geom/HasBindingGroup.java
index 5b761a3..064b657 100644
--- a/src/edu/berkeley/qfat/geom/HasBindingGroup.java
+++ b/src/edu/berkeley/qfat/geom/HasBindingGroup.java
@@ -31,12 +31,19 @@ public abstract class HasBindingGroup {
         other.bindingGroup.merge(bindingGroup, bindingMatrix);
     }
 
+    public int bindingGroupSize() {
+        if (bindingGroup == null) return 1;
+        return bindingGroup.size();
+    }
+
+
     public Matrix getBindingMatrix() {
         if (bindingGroup==null) return Matrix.ONE;
         return bindingGroup.getMatrix(this);
     }
 
     public Matrix getBindingMatrix(HasBindingGroup other) {
+        if (other==this) return Matrix.ONE;
         return bindingGroup.getMatrix(this, other);
     }
 
@@ -53,7 +60,7 @@ public abstract class HasBindingGroup {
     }
 
     public boolean isBoundTo(HasBindingGroup t) {
-        return bindingGroup.contains(t);
+        return t==this || (bindingGroup!=null && bindingGroup.contains(t));
     }
 
     public Iterable getBoundPeers() {