From 3ff59651332c66a0bb37049615656d950639047e Mon Sep 17 00:00:00 2001
From: Triang3l <triang3l@yandex.ru>
Date: Thu, 19 Nov 2020 21:28:02 +0300
Subject: [PATCH] [Build] Disable potentially dangerous floating point
 optimizations

---
 premake5.lua | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/premake5.lua b/premake5.lua
index fac718955..ac921ff61 100644
--- a/premake5.lua
+++ b/premake5.lua
@@ -81,10 +81,15 @@ filter("configurations:Release")
   })
   optimize("Speed")
   inlining("Auto")
-  floatingpoint("Fast")
   flags({
     "LinkTimeOptimization",
   })
+  -- Not using floatingpoint("Fast") - NaN checks are used in some places
+  -- (though rarely), overall preferable to avoid any functional differences
+  -- between debug and release builds, and to have calculations involved in GPU
+  -- (especially anything that may affect vertex position invariance) and CPU
+  -- (such as constant propagation) emulation as predictable as possible,
+  -- including handling of specials since games make assumptions about them.
 filter("platforms:Linux")
   system("linux")
   toolset("clang")