- otherwise std::ifinf(long double) isn't defined with c++20

--- CMakeLists.txt.orig	2024-08-11 03:29:56 UTC
+++ CMakeLists.txt
@@ -222,7 +222,7 @@ endif()
 
 ####
 # Configure the compiler options
-set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 #message(STATUS "C++17 has been enabled by default")
 message(STATUS "C++20 has been enabled by default")