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Groups > comp.lang.c++ > #4637
| From | Ian Collins <ian-news@hotmail.com> |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: literals for an int128 class |
| Date | 2011-05-04 08:53 +1200 |
| Message-ID | <92b8aeFj03U13@mid.individual.net> (permalink) |
| References | <8ec2c079-9c65-462a-a4b2-af8f2f0422ce@p7g2000yqd.googlegroups.com> |
On 05/ 4/11 08:39 AM, cps wrote: > I am considering writing an int128 class as a programming exercise. > Before I start (and I have a fair idea of how to do it) I was > wondering what I can do about literals and the assignment operator. I > would like to be able to use integer literals with the assignment and > other operators with literals that are sized at 128 bits. > > E.g. I'd like to be able to do: > > uint128 myInt128 = 184467440737095516160; > > > Note that the foregoing literal would produce an error (correctly > so) if I attempted to assign it to an uint64 because it is (2^64) * > 10. > > Is there any way I can set it up to deal with large literals? > > Or am I going to have to use strings and parse them? The only way a system could have 128 bit literals would be if it had a 128 bit type! You'll have to settle for strings. -- Ian Collins
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literals for an int128 class cps <chrissusie8@gmail.com> - 2011-05-03 13:39 -0700
Re: literals for an int128 class Victor Bazarov <v.bazarov@comcast.invalid> - 2011-05-03 16:51 -0400
Re: literals for an int128 class Ian Collins <ian-news@hotmail.com> - 2011-05-04 08:53 +1200
Re: literals for an int128 class Pete Becker <pete@versatilecoding.com> - 2011-05-03 17:17 -0400
Re: literals for an int128 class Michael Doubez <michael.doubez@free.fr> - 2011-05-04 01:38 -0700
Re: literals for an int128 class Ian Collins <ian-news@hotmail.com> - 2011-05-04 21:15 +1200
Re: literals for an int128 class Michael Doubez <michael.doubez@free.fr> - 2011-05-06 01:03 -0700
Re: literals for an int128 class Pete Becker <pete@versatilecoding.com> - 2011-05-06 08:00 -0400
Re: literals for an int128 class Victor Bazarov <v.bazarov@comcast.invalid> - 2011-05-06 09:30 -0400
Re: literals for an int128 class Michael Doubez <michael.doubez@free.fr> - 2011-05-06 08:00 -0700
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