- added stack

- refactored

src/rbm/rbm.py

@@ -0,0 +1,20 @@
+from layer import Layer
+from stack import Stack, StackType, StackException
+from params import RbmParams
+
+if __name__ == "__main__":
+	params = RbmParams()
+	stack = Stack(StackType.Deep, "Stack")
+	dims = [(2, 3), (3, 4), (4, 5)]
+
+	for n, dim in enumerate(dims):
+		layer = Layer(f"Layer-{n}", dim, params)
+		stack.layer_add(layer)
+
+	stack.init(std=0.1)
+	stack.state_save()
+
+	try:
+		stack.layer_add(Layer(f"Layer-{0}", (9,9), params))
+	except StackException as e:
+		print(f"Exception raised: [{e}] -> success!")