Article View: comp.std.c
Article #1354Re: Questions about NCEG
From: Paul Eggert
Date: Thu, 31 May 1990 18:00
Date: Thu, 31 May 1990 18:00
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943 bytes
Andrew P. Mullhaupt asks (re `#define infinity (1e300*1e300)'): Will this work if the compiler supports IEEE extended format for constants? In theory, yes. In practice, no. I'd prefer #define infinity (1.0/0.0) which should work on ANSI C + IEEE 754 implementations regardless of format. However, some compilers balk at `1.0/0.0'. `1e300*1e300' works on all IEEE 754 implementations that I know of, and also gets through the broken compilers.
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!aplcen!samsung!sdd.hp.com!zaphod.mps.ohio-state.edu!usc!orion.oac.uci.edu!uci-ics!ucla-cs!twinsun!eggert From: eggert@twinsun.com (Paul Eggert) Newsgroups: comp.std.c Subject: Re: Questions about NCEG Message-ID: <1990May31.180033.18178@twinsun.com> Date: 31 May 90 18:00:33 GMT References: <73.UUL1.3#5109@pantor.UUCP> <1990May29.193451.6533@twinsun.com> <1008@s6.Morgan.COM> Sender: usenet@twinsun.com Organization: Twin Sun, Inc Lines: 11