#13 Add numeric distance type

Author: pockerman

src/utils/numeric_distance_type.py

@@ -0,0 +1,16 @@
+"""
+Enumeration helper for quick and uniform
+access of the various distance metrics
+"""
+import enum
+
+
+class NumericDistanceType(enum.IntEnum):
+    """
+      Enumeration of the various distance types
+    """
+
+    # Denotes the first `TimeStep` in a sequence.
+    L1 = 0
+    L2 = 1
+    INVALID = 2