1 files changed, 8 insertions, 0 deletions
diff --git a/lib/zipf/misc.rb b/lib/zipf/misc.rb
index 4d29a06..02291c7 100644
--- a/lib/zipf/misc.rb
+++ b/lib/zipf/misc.rb
@@ -111,3 +111,11 @@ def read_config fn
   return cfg
 end
 
+# https://gist.github.com/pithyless/9738125
+class Integer
+  N_BYTES = [42].pack('i').size
+  N_BITS = N_BYTES * 16
+  MAX = 2 ** (N_BITS - 2) - 1
+  MIN = -MAX - 1
+end
+