[Issue 7973] BigInt %= long/ulong gives wrong value

d-bugmail at puremagic.com d-bugmail at puremagic.com
Mon Apr 23 06:03:32 PDT 2012


http://d.puremagic.com/issues/show_bug.cgi?id=7973


Don <clugdbug at yahoo.com.au> changed:

           What    |Removed                     |Added
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                 CC|                            |clugdbug at yahoo.com.au


--- Comment #1 from Don <clugdbug at yahoo.com.au> 2012-04-23 06:04:31 PDT ---
(In reply to comment #0)
> Since BigInt %= BigInt seems to work correctly, how about making it construct a
> BigInt from the long/ulong and using that?  It can later be replaced with an
> implementation optimised to long/ulong once that has been written and tested.

It's a template problem, (related to implicit conversion) not a mathematical
problem. At the time I wrote the code, I could not find any way to select the
correct function in all cases, if I allowed long and ulong.

At least one of the bugs I was hitting was fixed during the last three
releases, so it is probably possible to implement it now.

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