From e477e2a37e4f08d9dae4c2d829dc9b701378f53f Mon Sep 17 00:00:00 2001
From: Luke Roberts <lfroberts@lanl.gov>
Date: Thu, 26 Sep 2024 13:43:33 -0600
Subject: [PATCH] small

---
 src/basic_types.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/basic_types.hpp b/src/basic_types.hpp
index 4db850021984..401aa90f3b9d 100644
--- a/src/basic_types.hpp
+++ b/src/basic_types.hpp
@@ -42,6 +42,7 @@ using Real = double;
 struct IndexRange {
   int s = 0; /// Starting Index (inclusive)
   int e = 0; /// Ending Index (inclusive)
+  int size() const { return e - s + 1;}
   operator std::pair<int, int>() const { return {s, e}; }
 };