From 4039bf457db730caa9f3b3ceba391fa41b516def Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 11 Mar 2003 09:30:37 -0300
Subject: ^ operator is defined by global `__pow'

---
 lmathlib.c | 4 ++--
 lvm.c      | 7 +++----
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/lmathlib.c b/lmathlib.c
index b1a70959..a4fa618c 100644
--- a/lmathlib.c
+++ b/lmathlib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lmathlib.c,v 1.54 2002/12/20 10:26:33 roberto Exp roberto $
+** $Id: lmathlib.c,v 1.55 2003/03/11 12:24:34 roberto Exp roberto $
 ** Standard mathematical library
 ** See Copyright Notice in lua.h
 */
@@ -240,7 +240,7 @@ LUALIB_API int luaopen_math (lua_State *L) {
   lua_settable(L, -3);
   lua_pushliteral(L, "__pow");
   lua_pushcfunction(L, math_pow);
-  lua_settable(L, LUA_REGISTRYINDEX);
+  lua_settable(L, LUA_GLOBALSINDEX);
   return 1;
 }
 
diff --git a/lvm.c b/lvm.c
index a096ff37..bbdbea18 100644
--- a/lvm.c
+++ b/lvm.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lvm.c,v 1.280 2003/03/06 19:37:42 roberto Exp roberto $
+** $Id: lvm.c,v 1.281 2003/03/07 13:21:31 roberto Exp roberto $
 ** Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -357,11 +357,10 @@ static void Arith (lua_State *L, StkId ra,
       case TM_MUL: setnvalue(ra, nvalue(b) * nvalue(c)); break;
       case TM_DIV: setnvalue(ra, nvalue(b) / nvalue(c)); break;
       case TM_POW: {
-        const TObject *f = luaH_getstr(hvalue(registry(L)),
-                                       G(L)->tmname[TM_POW]);
+        const TObject *f = luaH_getstr(hvalue(gt(L)), G(L)->tmname[TM_POW]);
         ptrdiff_t res = savestack(L, ra);
         if (!ttisfunction(f))
-          luaG_runerror(L, "`pow' (for `^' operator) is not a function");
+          luaG_runerror(L, "`__pow' (`^' operator) is not a function");
         callTMres(L, f, b, c);
         ra = restorestack(L, res);  /* previous call may change stack */
         setobjs2s(ra, L->top);
-- 
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