From 6c5152297a28b6330b318a6d7f3c75f1d11a703c Mon Sep 17 00:00:00 2001
From: Orange <orange-cpp@yandex.ru>
Date: Thu, 9 Oct 2025 20:08:04 +0300
Subject: [PATCH] Uses correct calling convention for virtual methods

Adjusts the virtual method calling convention based on the compiler (_MSC_VER).
This ensures compatibility and correct behavior on different platforms.
---
 include/omath/rev_eng/internal_rev_object.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/omath/rev_eng/internal_rev_object.hpp b/include/omath/rev_eng/internal_rev_object.hpp
index 63249fb..033ebd3 100644
--- a/include/omath/rev_eng/internal_rev_object.hpp
+++ b/include/omath/rev_eng/internal_rev_object.hpp
@@ -26,7 +26,11 @@ namespace omath::rev_eng
         template<std::size_t id, class ReturnType>
         ReturnType call_virtual_method(auto... arg_list)
         {
+#ifdef _MSC_VER
             using VirtualMethodType = ReturnType(__thiscall*)(void*, decltype(arg_list)...);
+#else
+            using VirtualMethodType = ReturnType(__fastcall*)(void*, decltype(arg_list)...);
+#endif
             return (*reinterpret_cast<VirtualMethodType**>(this))[id](this, arg_list...);
         }
     };