X-Git-Url: http://git.megacz.com/?p=anneal.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fqfat%2Fbind%2FBindingGroup.java;fp=src%2Fedu%2Fberkeley%2Fqfat%2Fbind%2FBindingGroup.java;h=00a7dd70b7d13040035c03810ba6c0c63e2aa014;hp=9356ec455b6aceae2696800a9b520e38947629c0;hb=8084a784db5cd0f688d230ab9624ab6966265f39;hpb=7c73c0f732bbadef09d098b7f4542b060fdacc7d

diff --git a/src/edu/berkeley/qfat/bind/BindingGroup.java b/src/edu/berkeley/qfat/bind/BindingGroup.java
index 9356ec4..00a7dd7 100644
--- a/src/edu/berkeley/qfat/bind/BindingGroup.java
+++ b/src/edu/berkeley/qfat/bind/BindingGroup.java
@@ -10,8 +10,16 @@ import java.util.*;
  */
 class BindingGroup<T extends HasBindingGroup> implements Iterable<T> {
 
+    /** the arbitrarily-chosen master of the binding group */
     private T                  master     = null;
-    private AffineConstraint   constraint = new AffineConstraint.All();
+
+    /** the affine constraint, in master coordinates, of this binding group */
+    private AffineConstraint   constraint = AffineConstraint.ALL;
+
+    /**
+     *  For each member of the binding group, the matrix which must be
+     *  multiplied by the master to get the member's position
+     */
     private HashMap<T,Matrix>  matrices   = new HashMap<T,Matrix>();
 
     public BindingGroup(T master) {
@@ -19,6 +27,7 @@ class BindingGroup<T extends HasBindingGroup> implements Iterable<T> {
         matrices.put(master, Matrix.ONE);
     }
 
+    /** the size of this binding group */
     int size() { return matrices.size(); }
 
     /** merge another binding group into this one */