From: Christian Heinrich <franz-christian.heinrich@inria.fr>
Date: Thu, 23 Jul 2015 13:17:30 +0000 (+0200)
Subject: [Lua] Fixed integer/double conversion problem
X-Git-Tag: v3_13~1644^2~23
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/3dfb0dec2b5d519287ef09aac15f405c07770c71

[Lua] Fixed integer/double conversion problem

  - This bug would change integers to doubles when lua was used
    to actually run the simulation
---

diff --git a/src/bindings/lua/lua_state_cloner.c b/src/bindings/lua/lua_state_cloner.c
index 47f8b4f804..dfee7ed349 100644
--- a/src/bindings/lua/lua_state_cloner.c
+++ b/src/bindings/lua/lua_state_cloner.c
@@ -259,7 +259,12 @@ static void sglua_copy_nil(lua_State* src, lua_State* dst) {
  * @param dst destination state
  */
 static void sglua_copy_number(lua_State* src, lua_State* dst) {
-  lua_pushnumber(dst, lua_tonumber(src, -1));
+  lua_Number n = lua_tonumber(src, -1);
+  if ( ((lua_Integer) n) == n) {
+    lua_pushinteger(dst, lua_tointeger(src, -1));
+  }
+  else
+    lua_pushnumber(dst, lua_tonumber(src, -1));
 }
 
 /**