refactor folder locations

tensorneat/genome/gene/conn/base.py

@@ -0,0 +1,36 @@
+import jax
+from .. import BaseGene
+
+
+class BaseConnGene(BaseGene):
+    "Base class for connection genes."
+    fixed_attrs = ["input_index", "output_index"]
+
+    def __init__(self):
+        super().__init__()
+
+    def new_zero_attrs(self, state):
+        # the attrs which make the least influence on the network, used in mutate add conn
+        raise NotImplementedError
+
+    def forward(self, state, attrs, inputs):
+        raise NotImplementedError
+
+    def repr(self, state, conn, precision=2, idx_width=3, func_width=8):
+        in_idx, out_idx = conn[:2]
+        in_idx = int(in_idx)
+        out_idx = int(out_idx)
+
+        return "{}(in: {:<{idx_width}}, out: {:<{idx_width}})".format(
+            self.__class__.__name__, in_idx, out_idx, idx_width=idx_width
+        )
+
+    def to_dict(self, state, conn):
+        in_idx, out_idx = conn[:2]
+        return {
+            "in": int(in_idx),
+            "out": int(out_idx),
+        }
+
+    def sympy_func(self, state, conn_dict, inputs):
+        raise NotImplementedError