From 162ffd7fba9d4e79a29f65686f3efbebaee9cee8 Mon Sep 17 00:00:00 2001
From: Loïc Blot <nerzhul@users.noreply.github.com>
Date: Thu, 31 May 2018 22:52:08 +0200
Subject: Fix isNan on setYaw Lua call (#7380)

* Fix isNan on setYaw Lua call
---
 src/script/lua_api/l_base.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/script/lua_api/l_base.cpp')

diff --git a/src/script/lua_api/l_base.cpp b/src/script/lua_api/l_base.cpp
index 8ab0a20b6..e62aa2368 100644
--- a/src/script/lua_api/l_base.cpp
+++ b/src/script/lua_api/l_base.cpp
@@ -21,7 +21,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "lua_api/l_internal.h"
 #include "cpp_api/s_base.h"
 #include "content/mods.h"
-#include <server.h>
+#include "server.h"
+#include <cmath>
 
 ScriptApiBase *ModApiBase::getScriptApiBase(lua_State *L)
 {
@@ -84,3 +85,8 @@ bool ModApiBase::registerFunction(lua_State *L, const char *name,
 
 	return true;
 }
+
+bool ModApiBase::isNaN(lua_State *L, int idx)
+{
+	return lua_type(L, idx) == LUA_TNUMBER && std::isnan(lua_tonumber(L, idx));
+}
-- 
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