5 3 5 0 100 3 5 5 5 0.5 0.5 5 3 greater than 5 not greater than 5 3.14116 * 5 * 5 3.14116 * ref.get(r) * ref.get(r) http://people.apache.org/~jsdelfino/tuscany/test/surface.py val = 3.14116 * ref.get(r) * ref.get(r)