First commit

network/gibbs.py

@@ -0,0 +1,36 @@
+from network.network import (get_number_of_activated_antenna,
+                             can_antenna_be_turned_on,
+                             turn_off_antenna,
+                             turn_on_antenna)
+
+def _flip_coin(random):
+    return random.random() < 0.5
+
+def create_new_network(network, box_size, random):
+    number_of_square = box_size * box_size
+    for antenna in range(number_of_square):
+        if can_antenna_be_turned_on(antenna, network, box_size) and _flip_coin(random):
+            network = turn_on_antenna(antenna, network)
+        else:
+            network = turn_off_antenna(antenna, network)
+    return network
+
+
+def get_pseudo_random_networks(box_size, random):
+    network = 0
+    while True:
+        network = create_new_network(network, box_size, random)
+        yield network
+
+def get_random_networks(box_size, random):
+    time_between_sample = 20
+    for i, network in enumerate(get_pseudo_random_networks(box_size, random), 1):
+        if i % time_between_sample == 0:
+            yield network
+
+
+def estimate_number_of_activated_antenna(n, box_size, random):
+    estimate = 0
+    for _, network in zip(range(n), get_random_networks(box_size, random)):
+        estimate += get_number_of_activated_antenna(network)
+    return estimate / n