Fix stochastic behaviour of fortran functions

Author: meatballs

src/axelrod_fortran/player.py

@@ -1,3 +1,5 @@
+import random
+
 import axelrod as axl
 from axelrod.interaction_utils import compute_final_score
 from axelrod.action import Action
@@ -57,15 +59,15 @@ def original_function(self, value):
         self.__original_function.restype = c_int
 
     def original_strategy(
-        self, their_last_move, move_number, my_score, their_score, noise,
+        self, their_last_move, move_number, my_score, their_score, random_value,
         my_last_move
     ):
         args = (
             c_int(their_last_move), c_int(move_number), c_int(my_score),
-            c_int(their_score), c_float(noise), c_int(my_last_move))
+            c_int(their_score), c_float(random_value), c_int(my_last_move))
         return self.original_function(*[byref(arg) for arg in args])
 
-    def strategy(self, opponent, noise=0):
+    def strategy(self, opponent):
         if not self.history:
             their_last_move = 0
             scores = (0, 0)
@@ -76,8 +78,9 @@ def strategy(self, opponent, noise=0):
                                          game=self.game)
             my_last_move = original_actions[self.history[-1]]
         move_number = len(self.history) + 1
+        random_value = random.random()
         original_action = self.original_strategy(
-            their_last_move, move_number, scores[0], scores[1], noise,
+            their_last_move, move_number, scores[0], scores[1], random_value,
             my_last_move)
         return actions[original_action]