checkpoint
[anneal.git] / src / edu / berkeley / qfat / bind / BindingGroup.java
index 501fb81..6b06b47 100644 (file)
@@ -33,11 +33,18 @@ class BindingGroup<T extends HasBindingGroup> implements Iterable<T> {
     void merge(BindingGroup<T> bg, Matrix m, float epsilon) {
         if (bg==this) {
             if (m.equalsModuloEpsilon(Matrix.ONE, epsilon)) return;
+            /*
+            if (master instanceof edu.berkeley.qfat.Mesh.Vertex)
+                System.err.println(m.times(m));
+            */
             // FIXME: what if points do not fall on the merged constraint-line?
             constraint = constraint.intersect(m.getAffineConstraint(epsilon), epsilon);
             return;
         }
 
+        // bg.master = m * master
+        // hbg       = bg.getMatrix(hbg) * bg.master
+        // hbg       = bg.getMatrix(hbg) * m * master
         for(HasBindingGroup hbg : bg) {
             matrices.put((T)hbg, bg.getMatrix((T)hbg).times(m));
             hbg.bindingGroup = this;