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no more integer exponentiation

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This commit is contained in:
Roberto Ierusalimschy
2014-05-12 18:22:05 -03:00
parent 12bd01c567
commit 27d9219cf3
3 changed files with 6 additions and 30 deletions
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8
lobject.c
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@@ -1,5 +1,5 @@
/*
** $Id: lobject.c,v 2.83 2014/04/30 16:48:44 roberto Exp roberto $
** $Id: lobject.c,v 2.84 2014/05/01 18:18:06 roberto Exp roberto $
** Some generic functions over Lua objects
** See Copyright Notice in lua.h
*/
@@ -77,7 +77,6 @@ static lua_Integer intarith (lua_State *L, int op, lua_Integer v1,
case LUA_OPSUB:return intop(-, v1, v2);
case LUA_OPMUL:return intop(*, v1, v2);
case LUA_OPMOD: return luaV_mod(L, v1, v2);
case LUA_OPPOW: return luaV_pow(v1, v2);
case LUA_OPIDIV: return luaV_div(L, v1, v2);
case LUA_OPBAND: return intop(&, v1, v2);
case LUA_OPBOR: return intop(|, v1, v2);
@@ -123,7 +122,7 @@ void luaO_arith (lua_State *L, int op, const TValue *p1, const TValue *p2,
}
else break; /* go to the end */
}
case LUA_OPDIV: { /* operates only on floats */
case LUA_OPDIV: case LUA_OPPOW: { /* operate only on floats */
lua_Number n1; lua_Number n2;
if (tonumber(p1, &n1) && tonumber(p2, &n2)) {
setfltvalue(res, numarith(L, op, n1, n2));
@@ -133,8 +132,7 @@ void luaO_arith (lua_State *L, int op, const TValue *p1, const TValue *p2,
}
default: { /* other operations */
lua_Number n1; lua_Number n2;
if (ttisinteger(p1) && ttisinteger(p2) &&
(op != LUA_OPPOW || ivalue(p2) >= 0)) {
if (ttisinteger(p1) && ttisinteger(p2)) {
setivalue(res, intarith(L, op, ivalue(p1), ivalue(p2)));
return;
}