Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!ukma!xanth!kremer
From: kremer@cs.odu.edu (Lloyd Kremer)
Newsgroups: comp.lang.c
Subject: Re: Type punning in C
Summary: can also use pointers
Message-ID: <10236@xanth.cs.odu.edu>
Date: 20 Oct 89 19:40:54 GMT
References: <475@idacrd.UUCP> <11242@smoke.BRL.MIL> <605@maytag.waterloo.edu> <6310@arcturus>
Organization: Old Dominion University, Norfolk, Va.
Lines: 22


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.


Another way would be to back off one level of indirection, and transfer
the bit pattern by means of pointers to the respective objects.

Example:
	float f;
	int i;

	/* assign f */
	i = *(int *)&f;  /* transfer bit pattern from f to i */

-- 
					Lloyd Kremer
					...!uunet!xanth!kremer
					Have terminal...will hack!