From 933d11ebc7121464f4a297f3b701bdb559bdb9f4 Mon Sep 17 00:00:00 2001
From: XANTRONIX Industrial <xan@xantronix.com>
Date: Fri, 14 Mar 2025 11:00:37 -0400
Subject: [PATCH] Implement SeriesIntersection.inverse()

Implement SeriesIntersection.inverse() to return the inverse of the
current intersection type
---
 lib/xmet/series.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/xmet/series.py b/lib/xmet/series.py
index d8c7e12..9ca3cec 100644
--- a/lib/xmet/series.py
+++ b/lib/xmet/series.py
@@ -17,6 +17,14 @@ class SeriesIntersection(enum.Enum):
         elif a < b:
             return SeriesIntersection.LESSER
 
+    def inverse(self):
+        if self is SeriesIntersection.GREATER:
+            return SeriesIntersection.LESSER
+        elif self is SeriesIntersection.LESSER:
+            return SeriesIntersection.GREATER
+
+        return self
+
 class Series(dict):
     def __init__(self):
         super().__init__()