favor shorter programs

2014-02-11 08:59:49 -05:00 · 2014-02-11 08:59:49 -05:00 · 7bfface1a0
commit 7bfface1a0
parent d513374a8a
2 changed files with 6 additions and 2 deletions
--- a/genetic.rb
+++ b/genetic.rb
@ -13,9 +13,9 @@ def grade_program(p)
  output = p.execute
  grade = (EXPECTED_OUTPUT.size - output.size).abs * 100
  [EXPECTED_OUTPUT.size, output.size].min.times do |i|
-    grade += (ord(EXPECTED_OUTPUT[i]) - ord(output[i])).abs
+    grade += (ord(EXPECTED_OUTPUT[i]) - ord(output[i])).abs * 10
  end
-  grade
+  grade + p.length
 end

 def main
--- a/program.rb
+++ b/program.rb
@ -56,6 +56,10 @@ class Program
    end
  end

+  def length
+    @instructions.size
+  end
+
 private

  def random_instruction