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Imported Upstream version 3.8.0

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Former-commit-id: 6a76a29bd07d86e57c6c8da45c65ed5447d38a61
This commit is contained in:
Jo Shields
2014-09-04 09:07:35 +01:00
parent a575963da9
commit fe777c5c82
1062 changed files with 12460 additions and 5983 deletions
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6
mcs/class/System.Numerics/System.Numerics/BigInteger.cs
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@@ -315,12 +315,14 @@ namespace System.Numerics {
word = (uint)sub;
borrow = (uint)(sub >> 32) & 0x1u;
data [data.Length - 1] = ~word & store_mask;
if ((~word & store_mask) == 0)
data = Resize (data, data.Length - 1);
else
data [data.Length - 1] = ~word & store_mask;
}
if (borrow != 0) //FIXME I believe this can't happen, can someone write a test for it?
throw new Exception ("non zero final carry");
}
}
public bool IsEven {

15
mcs/class/System.Numerics/Test/System.Numerics/BigIntegerTest.cs
View File

@@ -550,13 +550,18 @@ namespace MonoTests.System.Numerics
{
long[] values = new long [] {
0, long.MinValue, long.MaxValue, -1, 1L + int.MaxValue, -1L + int.MinValue, 0x1234, 0xFFFFFFFFL, 0x1FFFFFFFFL, -0xFFFFFFFFL, -0x1FFFFFFFFL,
0x100000000L, -0x100000000L, 0x100000001L, -0x100000001L };
0x100000000L, -0x100000000L, 0x100000001L, -0x100000001L, 4294967295L, -4294967295L, 4294967296L, -4294967296L };
foreach (var val in values) {
var a = new BigInteger (val);
var b = new BigInteger (a.ToByteArray ());
try {
var a = new BigInteger (val);
var b = new BigInteger (a.ToByteArray ());
Assert.AreEqual (val, (long)a, "#a_" + val);
Assert.AreEqual (val, (long)b, "#b_" + val);
Assert.AreEqual (val, (long)a, "#a_" + val);
Assert.AreEqual (val, (long)b, "#b_" + val);
Assert.AreEqual (a, b, "#a == #b (" + val + ")");
} catch (Exception e) {
Assert.Fail ("could not roundtrip {0}", val);
}
}
}