Re: [cc65] Floating point support?

From: Groepaz <>
Date: 2004-09-27 17:53:58
On Monday 27 September 2004 17:50, Karri Kaksonen wrote:
> I just want to add my comments to the discussion about floating point.
> It would be nice to be able to calculate ranges around -1.0 to 1.0 with
> decent accuracy for doing matrix stuff.
> In the early days I used a routine called FRACMUL quite a lot. Basically
> it represents just the 16 bit mantissa.

what you describe is fixed-point math, and exactly _not_ what floats are :=P

if you need fixed point, use a bunch of macros or a fixed point lib....this
shouldnt be supported by a non standard "fixedpoint" or even worse a non
standard float type imho.

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Received on Mon Sep 27 17:55:08 2004

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