From df1b110ad1778ab43f6116f022e27c23c8d2cb12 Mon Sep 17 00:00:00 2001
From: "Karl W. Schulz" <karl@oden.utexas.edu>
Date: Wed, 12 Jul 2023 11:49:33 -0500
Subject: [PATCH] fix for compilation with gcc v12

---
 src/grvy_int.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/grvy_int.h b/src/grvy_int.h
index 14c947a..9fb0cd5 100644
--- a/src/grvy_int.h
+++ b/src/grvy_int.h
@@ -103,13 +103,13 @@ namespace GRVY {
 
   class TimerCmpHighLow {
   public:
-    bool operator()(const std::vector <double> v1, const std::vector <double> v2 )  {
+    bool operator()(const std::vector <double> v1, const std::vector <double> v2 )  const {
       return ( v1[0] - v2[0] ) > 0; }
   };
 
   class TimerCmpLowHigh {
   public:
-    bool operator()(const std::vector <double> v1, const std::vector <double> v2 )  {
+    bool operator()(const std::vector <double> v1, const std::vector <double> v2 )  const {
       return ( v1[0] - v2[0] ) < 0; }
   };