From:	rwaltman AT bellatlantic DOT net (Roberto Waltman)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: 8 Byte Integer
Date:	Thu, 12 Feb 1998 03:51:10 GMT
Organization:	.
Lines:	19
Message-ID:	<34e67037.6142732@news5.bellatlantic.net>
References:	<3 DOT 0 DOT 32 DOT 19980207131923 DOT 0083a980 AT dataplusnet DOT com> <34DCBB48 DOT 2F2D AT cs DOT com>
Reply-To:	rwaltman AT bellatlantic DOT net
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

>> Is there a way so I can specify the size of an integer in DJGPP.  In MSDN
>> help, it says that MSVC++ 5.0 has the following integer sizes:
>>  <...snip...>
>> I am doing a program that calculates prime numbers, so the bigger the
>> better.  Is there any way I can get a 4 or 8 byte integer in DJGPP?

>If you want to create your own integral data types, then there are a
>large number of options available.  <...snip...>  There should be
>plenty of references available on the Internet and in print;

The book "C Interfaces and Implementations" by D.R.Hanson has
source code for two packages implementing extended precision
arithmetic and arbitrary precision arithmetic functions.
The code is available at
http://www.cs.princeton.edu/software/cii/ , but you'll probably
need the book to be able to use it.

RW.

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