private static object LeftShift(BigInteger x, BigInteger y)
{
if (y < BigInteger.Zero) {
throw Ops.ValueError("negative shift count");
}
int yint;
if (y.AsInt32(out yint)) {
return x << yint;
}
if (x == BigInteger.Zero) {
return BigInteger.Zero;
} else {
throw Ops.OverflowError("number too big");
}
}
public static object Compare(BigInteger x, object y)
{
if (y == null) return 1;
int intVal;
if (y is int) {
if (x.AsInt32(out intVal)) return IntOps.Compare(intVal, y);
} else if (y is ExtensibleInt) {
if (x.AsInt32(out intVal)) return IntOps.Compare(intVal, ((ExtensibleInt)y).value);
} else if (y is double) {
return ((int)FloatOps.Compare((double)y, x)) * -1;
} else if (y is ExtensibleFloat) {
double dbl = x.ToFloat64();
return FloatOps.Compare(dbl, ((ExtensibleFloat)y).value);
} else if (y is bool) {
if (x.AsInt32(out intVal)) return IntOps.Compare(intVal, ((bool)y) ? 1 : 0);
} else if (y is decimal) {
double dbl = x.ToFloat64();
return FloatOps.Compare(dbl, y);
}
BigInteger bi;
if (!Converter.TryConvertToBigInteger(y, out bi)) {
object res = Ops.GetDynamicType(y).Coerce(y, x);
if (res != Ops.NotImplemented && !(res is OldInstance)) {
return Ops.Compare(((Tuple)res)[1], ((Tuple)res)[0]);
}
return Ops.NotImplemented;
}
BigInteger diff = x - bi;
if (diff == 0) return 0;
else if (diff < 0) return -1;
else return 1;
}