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Adapt Type.minInt and maxInt to use setTwosCompLimit

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This commit is contained in:
Robin Voetter 2021-10-01 20:50:44 +02:00
parent 692827baa7
commit 96f095987f
1 changed files with 4 additions and 10 deletions
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14
src/type.zig
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@ -3101,9 +3101,8 @@ pub const Type = extern union {
return Value.Tag.int_i64.create(arena, n);
}
var res = try std.math.big.int.Managed.initSet(arena, 1);
try res.shiftLeft(res, info.bits - 1);
res.negate();
var res = try std.math.big.int.Managed.init(arena);
try res.setTwosCompIntLimit(.min, info.signedness, info.bits);
const res_const = res.toConst();
if (res_const.positive) {
@ -3126,13 +3125,8 @@ pub const Type = extern union {
return Value.Tag.int_u64.create(arena, n);
}
var res = try std.math.big.int.Managed.initSet(arena, 1);
try res.shiftLeft(res, info.bits - @boolToInt(info.signedness == .signed));
const one = std.math.big.int.Const{
.limbs = &[_]std.math.big.Limb{1},
.positive = true,
};
res.sub(res.toConst(), one) catch unreachable;
var res = try std.math.big.int.Managed.init(arena);
try res.setTwosCompIntLimit(.max, info.signedness, info.bits);
const res_const = res.toConst();
if (res_const.positive) {