Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!uwm.edu!ux1.cso.uiuc.edu!phil
From: phil@ux1.cso.uiuc.edu (Phil Howard KA9WGN)
Newsgroups: comp.lang.c
Subject: Re: 64 bit architectures and C/C++
Message-ID: <1991May7.233856.27444@ux1.cso.uiuc.edu>
Date: 7 May 91 23:38:56 GMT
References: <16023@smoke.brl.mil> <1991May2.033545.15051@athena.mit.edu> <16036@smoke.brl.mil> <1991May6.232116.11401@sq.sq.com>
Organization: University of Illinois at Urbana
Lines: 16

msb@sq.sq.com (Mark Brader) writes:

>Now, what would we like to happen if a program that assumed 64-bit
>integers existed was ported to a machine where they didn't?  We would

How about coding it so that if a symbol such as "LONGLONG64" is not
defined conditional compilation will fall back to code that invokes
a bignum package for 64 bit ints.  Then simply -DLONGLONG64 will get
the good code.

I just picked LONGLONG64 not knowing if there is a better thing to use.
-- 
 /***************************************************************************\
/ Phil Howard -- KA9WGN -- phil@ux1.cso.uiuc.edu   |  Guns don't aim guns at  \
\ Lietuva laisva -- Brivu Latviju -- Eesti vabaks  |  people; CRIMINALS do!!  /
 \***************************************************************************/