diff options
Diffstat (limited to 'libs/liblua/src/lmathlib.c')
| -rw-r--r-- | libs/liblua/src/lmathlib.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libs/liblua/src/lmathlib.c b/libs/liblua/src/lmathlib.c index 002c508bc4..94815f129f 100644 --- a/libs/liblua/src/lmathlib.c +++ b/libs/liblua/src/lmathlib.c @@ -1,5 +1,5 @@ /* -** $Id: lmathlib.c,v 1.114 2014/12/27 20:32:26 roberto Exp $ +** $Id: lmathlib.c,v 1.117 2015/10/02 15:39:23 roberto Exp $ ** Standard mathematical library ** See Copyright Notice in lua.h */ @@ -39,7 +39,7 @@ static int math_abs (lua_State *L) { if (lua_isinteger(L, 1)) { lua_Integer n = lua_tointeger(L, 1); - if (n < 0) n = (lua_Integer)(0u - n); + if (n < 0) n = (lua_Integer)(0u - (lua_Unsigned)n); lua_pushinteger(L, n); } else @@ -183,6 +183,9 @@ static int math_log (lua_State *L) { res = l_mathop(log)(x); else { lua_Number base = luaL_checknumber(L, 2); +#if !defined(LUA_USE_C89) + if (base == 2.0) res = l_mathop(log2)(x); else +#endif if (base == 10.0) res = l_mathop(log10)(x); else res = l_mathop(log)(x)/l_mathop(log)(base); } @@ -270,7 +273,7 @@ static int math_random (lua_State *L) { static int math_randomseed (lua_State *L) { l_srand((unsigned int)(lua_Integer)luaL_checknumber(L, 1)); - (void)rand(); /* discard first value to avoid undesirable correlations */ + (void)l_rand(); /* discard first value to avoid undesirable correlations */ return 0; } |