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From: jcs@crash.cts.com (John Schultz)
Newsgroups: comp.sys.amiga.programmer
Subject: Re: Switching between integer and floating point
Message-ID: <8816@crash.cts.com>
Date: 25 Apr 91 17:28:55 GMT
References: <1991Apr24.041205.1588@netcom.COM>
Organization: Crash TimeSharing, El Cajon, CA
Lines: 22

In <1991Apr24.041205.1588@netcom.COM> rodent@netcom.COM (Ben Discoe) writes:


>  I've been working on a 3D object viewer intended for PD release, with
>source, as soon as it's stable.  My problem is this: when the project was
>started, I only had a 1000 to work on, so I wrote all the math using
>two kinds of fixed-point integer math (one kind for angles, another for
>coordinates).
>  Now I (and many people who may want the code) are on accelerated
>systems with 6888x's, so I'd like to include a compile-time flag to
>compile with floating-point math instead of the integers.  I'm sure many
>other people have faced this same problem: how do you keep one source
>with two different kinds of math involved?


  Leave it in integer. The integer code will run much faster than floating
point on a 68020/030.  No need to waste your time with floats for computer
graphics work on an Amiga.



  John