add label encoder/decoder (not finished)

src/rbm/label.py

@@ -0,0 +1,21 @@
+class Label:
+	def __init__(self, voc_size=1001, num_codes_per_dim=10, v_min=0.0, v_max=1.0):
+		self.num_codes_per_dim = num_codes_per_dim
+		self.voc_size = voc_size
+		self.v_min = v_min
+		self.v_max = v_max
+		self.num_dim = Label.num_dims(voc_size, num_codes_per_dim)
+
+	@staticmethod
+	def num_dims(voc_size, num_codes_per_dim):
+		num_dim_required = 0
+		while voc_size > 1:
+			num_dim_required += 1
+			voc_size /= num_codes_per_dim
+
+		return num_dim_required
+
+
+if __name__ == "__main__":
+	enc = Label()
+	print("Test: [passed]")