Update super cores

lib/spaces/basic_op.py

@@ -1,4 +1,7 @@
 from spaces.basic_space import Space
+from spaces.basic_space import Integer
+from spaces.basic_space import Continuous
+from spaces.basic_space import Categorical
 from spaces.basic_space import _EPS
 
 
@@ -14,3 +17,33 @@ def has_continuous(space_or_value, x):
         return space_or_value.has(x)
     else:
         return abs(space_or_value - x) <= _EPS
+
+
+def get_max(space_or_value):
+    if isinstance(space_or_value, Integer):
+        return max(space_or_value.candidates)
+    elif isinstance(space_or_value, Continuous):
+        return space_or_value.upper
+    elif isinstance(space_or_value, Categorical):
+        values = []
+        for index in range(len(space_or_value)):
+            max_value = get_max(space_or_value[index])
+            values.append(max_value)
+        return max(values)
+    else:
+        return space_or_value
+
+
+def get_min(space_or_value):
+    if isinstance(space_or_value, Integer):
+        return min(space_or_value.candidates)
+    elif isinstance(space_or_value, Continuous):
+        return space_or_value.lower
+    elif isinstance(space_or_value, Categorical):
+        values = []
+        for index in range(len(space_or_value)):
+            min_value = get_min(space_or_value[index])
+            values.append(min_value)
+        return min(values)
+    else:
+        return space_or_value