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`^' operator is defined in registry.__pow

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Roberto Ierusalimschy 2002-06-24 10:54:13 -03:00
parent e34f282365
commit e182cf452f
1 changed files with 5 additions and 2 deletions
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7
lmathlib.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lmathlib.c,v 1.46 2002/06/05 17:24:04 roberto Exp roberto $ ** $Id: lmathlib.c,v 1.47 2002/06/18 15:16:18 roberto Exp roberto $
** Standard mathematical library ** Standard mathematical library
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -220,6 +220,7 @@ static const luaL_reg mathlib[] = {
{"log10", math_log10}, {"log10", math_log10},
{"exp", math_exp}, {"exp", math_exp},
{"deg", math_deg}, {"deg", math_deg},
{"pow", math_pow},
{"rad", math_rad}, {"rad", math_rad},
{"random", math_random}, {"random", math_random},
{"randomseed", math_randomseed}, {"randomseed", math_randomseed},
@ -236,9 +237,11 @@ LUALIB_API int lua_mathlibopen (lua_State *L) {
luaL_openlib(L, mathlib, 0); luaL_openlib(L, mathlib, 0);
lua_pushliteral(L, "pi"); lua_pushliteral(L, "pi");
lua_pushnumber(L, PI); lua_pushnumber(L, PI);
lua_register(L, "pow", math_pow);
lua_settable(L, -3); lua_settable(L, -3);
lua_settable(L, LUA_GLOBALSINDEX); lua_settable(L, LUA_GLOBALSINDEX);
lua_pushliteral(L, "__pow");
lua_pushcfunction(L, math_pow);
lua_settable(L, LUA_REGISTRYINDEX);
return 0; return 0;
} }