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detail (ensure subtraction is done unsigned)
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parent
10fffcd80a
commit
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@ -1,5 +1,5 @@
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/*
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/*
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** $Id: lmathlib.c,v 1.115 2015/03/12 14:04:04 roberto Exp roberto $
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** $Id: lmathlib.c,v 1.116 2015/06/26 19:30:32 roberto Exp $
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** Standard mathematical library
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** Standard mathematical library
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** See Copyright Notice in lua.h
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** See Copyright Notice in lua.h
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*/
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*/
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@ -39,7 +39,7 @@
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static int math_abs (lua_State *L) {
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static int math_abs (lua_State *L) {
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if (lua_isinteger(L, 1)) {
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if (lua_isinteger(L, 1)) {
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lua_Integer n = lua_tointeger(L, 1);
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lua_Integer n = lua_tointeger(L, 1);
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if (n < 0) n = (lua_Integer)(0u - n);
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if (n < 0) n = (lua_Integer)(0u - (lua_Unsigned)n);
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lua_pushinteger(L, n);
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lua_pushinteger(L, n);
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}
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}
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else
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else
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