[Issue 1681] cast(real) ulong.max == 0

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=1681





------- Comment #5 from baryluk at mpi.int.pl  2008-01-20 09:15 -------
> 
> The largest integer real which gives nonzero result after cast is
> 18446744073709550591.000000   
> 18446744073709549568
> but as you can see it gives wrong result. Then it is skiping every 2048 (11
> bits), with some values correct:

53+11 = 64


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