require "rubygems" require "mageo" require "maset/mapping" #require "builtinextension" require "array/selectindices.rb" require "matrix" module CrystalCell; end require "crystalcell/latticeaxes.rb" require "crystalcell/element.rb" require "crystalcell/atom.rb" require "crystalcell/cell.rb" require "crystalcell/periodiccell.rb" require 'crystalcell/povray.rb'