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new functions lua_getfield' and lua_setfield'

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Roberto Ierusalimschy
2003-10-10 09:57:55 -03:00
parent a41d60e1d1
commit 533737f26e
7 changed files with 70 additions and 66 deletions
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8
lmathlib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lmathlib.c,v 1.56 2003/03/11 12:30:37 roberto Exp roberto $
** $Id: lmathlib.c,v 1.57 2003/10/07 20:13:41 roberto Exp roberto $
** Standard mathematical library
** See Copyright Notice in lua.h
*/
@@ -235,12 +235,10 @@ static const luaL_reg mathlib[] = {
*/
LUALIB_API int luaopen_math (lua_State *L) {
luaL_openlib(L, LUA_MATHLIBNAME, mathlib, 0);
lua_pushliteral(L, "pi");
lua_pushnumber(L, PI);
lua_settable(L, -3);
lua_pushliteral(L, "__pow");
lua_setfield(L, -2, "pi");
lua_pushcfunction(L, math_pow);
lua_settable(L, LUA_GLOBALSINDEX);
lua_setfield(L, LUA_GLOBALSINDEX, "__pow");
return 1;
}