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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2015-10-02 12:39:23 -0300 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2015-10-02 12:39:23 -0300 |
commit | dc4232379d79bc4ff5ad16bebf41793bb7ba6deb (patch) | |
tree | 2abb8d71a297451f59946ced865f1204a363e768 /lmathlib.c | |
parent | 10fffcd80abb2830935a5aa6b1bd1da9b1a77d97 (diff) | |
download | lua-dc4232379d79bc4ff5ad16bebf41793bb7ba6deb.tar.gz lua-dc4232379d79bc4ff5ad16bebf41793bb7ba6deb.tar.bz2 lua-dc4232379d79bc4ff5ad16bebf41793bb7ba6deb.zip |
detail (ensure subtraction is done unsigned)
Diffstat (limited to 'lmathlib.c')
-rw-r--r-- | lmathlib.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | ** $Id: lmathlib.c,v 1.115 2015/03/12 14:04:04 roberto Exp roberto $ | 2 | ** $Id: lmathlib.c,v 1.116 2015/06/26 19:30:32 roberto Exp $ |
3 | ** Standard mathematical library | 3 | ** Standard mathematical library |
4 | ** See Copyright Notice in lua.h | 4 | ** See Copyright Notice in lua.h |
5 | */ | 5 | */ |
@@ -39,7 +39,7 @@ | |||
39 | static int math_abs (lua_State *L) { | 39 | static int math_abs (lua_State *L) { |
40 | if (lua_isinteger(L, 1)) { | 40 | if (lua_isinteger(L, 1)) { |
41 | lua_Integer n = lua_tointeger(L, 1); | 41 | lua_Integer n = lua_tointeger(L, 1); |
42 | if (n < 0) n = (lua_Integer)(0u - n); | 42 | if (n < 0) n = (lua_Integer)(0u - (lua_Unsigned)n); |
43 | lua_pushinteger(L, n); | 43 | lua_pushinteger(L, n); |
44 | } | 44 | } |
45 | else | 45 | else |