Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!bloom-beacon!think!ames!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn )
Newsgroups: comp.lang.c
Subject: Re: Single precision math in C
Keywords: float, single precision
Message-ID: <9148@smoke.BRL.MIL>
Date: 12 Dec 88 17:30:01 GMT
References: <88Dec10.135843est.10521@ephemeral.ai.toronto.edu>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 9

In article <88Dec10.135843est.10521@ephemeral.ai.toronto.edu> bradb@ai.toronto.edu writes:
>Because some of the machines that I run on have no floating point processor,
>it is useful to be able to force single-precision math for speed.  

So, use "float" for such data types (don't forget to cast the inherently
double floating-point constants, e.g. (float)1.0).

Watch out for varargs parameters and arguments to functions when you do
this; normally those will have to be double.