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[FunC] Fix a bug with << operator to zero value (#1262)

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Aleksandr Kirsanov 2024-10-09 16:03:58 +03:00 • committed by GitHub
parent b69214b6af
commit fd1735f6ec
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3 changed files with 56 additions and 3 deletions
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crypto/func/builtins.cpp
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@ -264,7 +264,7 @@ int emulate_lshift(int a, int b) {
}
int t = ((b & VarDescr::_NonZero) ? VarDescr::_Even : 0);
t |= b & VarDescr::_Finite;
return emulate_mul(a, VarDescr::_Int | VarDescr::_Pos | VarDescr::_NonZero | VarDescr::_Even | t);
return emulate_mul(a, VarDescr::_Int | VarDescr::_Pos | VarDescr::_NonZero | t);
}
int emulate_div(int a, int b) {
@ -310,7 +310,7 @@ int emulate_rshift(int a, int b) {
}
int t = ((b & VarDescr::_NonZero) ? VarDescr::_Even : 0);
t |= b & VarDescr::_Finite;
return emulate_div(a, VarDescr::_Int | VarDescr::_Pos | VarDescr::_NonZero | VarDescr::_Even | t);
return emulate_div(a, VarDescr::_Int | VarDescr::_Pos | VarDescr::_NonZero | t);
}
int emulate_mod(int a, int b, int round_mode = -1) {