Path: utzoo!utgpu!watmath!maytag!aries5!lhf
From: lhf@aries5.uucp (Luiz H de Figueiredo)
Newsgroups: comp.lang.c
Subject: Re: Type punning in C
Message-ID: <605@maytag.waterloo.edu>
Date: 10 Oct 89 15:06:14 GMT
References: <475@idacrd.UUCP> <11242@smoke.BRL.MIL>
Sender: daemon@maytag.waterloo.edu
Reply-To: lhf@aries5.UUCP (Luiz H de Figueiredo)
Organization: Computer Systems Group, University of Waterloo
Lines: 21

In article <11242@smoke.BRL.MIL> gwyn@brl.arpa (Doug Gwyn) writes:
>
>However, C does provide "union" types that can be used for such purposes.
>Load the bit pattern into the integer union member and extract it via the
>floating-point member.

Provided both members have the same size!
Otherwise, try

union
{
 float f;
 unsigned char b[sizeof(float)];
};

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Luiz Henrique de Figueiredo		internet: lhf@aries5.uwaterloo.ca
Computer Systems Group			bitnet:   lhf@watcsg.bitnet
University of Waterloo
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