#!/usr/bin/env ruby
require 'matrix'

[16,64,256,257,512,111,229].each do |d|
  a = Matrix.build(d, d){ rand(2)-1 }
  b = Matrix.build(d, d){ rand(2)-1 }
  open('mat-%d' % d, 'w'){|f| f.write (a.to_a.flatten + b.to_a.flatten).join("\n") }
  c = a * b
  open('mat-%d-out' % d, 'w'){|f| f.write (1..d).map{|i| c[i,i] } }
end