lib/mpfr/matrix.rb in ruby-mpfr-0.0.14 vs lib/mpfr/matrix.rb in ruby-mpfr-0.0.15

@@ -1,8 +1,8 @@
 require 'mpfr'
 require 'mpfr/matrix.so'
 
-class MPFR
+class MPFR < Numeric
   class Matrix
     def str_ary2_2(format)
       ary = str_ary(format)
       tmp = []
       (0...row_size).each { tmp << [] }