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Date: Tue, 5 Jan 2016 16:51:17 -0500
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From: DJ Delorie <dj AT delorie DOT com>
To: geda-user AT delorie DOT com
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Subject: Re: [geda-user] Re: some more geometry module tweaks (sorry, wall of text)
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> I agree, but we may have different ideas of what the fix would be.  If you
> want to stop using floating point entirely, it's a huge effort, and ints
> won't do what you want either, you need rationals.

We use nanometers, I think that's as fixed-point as we need to get :-)

It would be rare to have a valid case where a floating format is
preferable to non-overflowing nanometers.

> My claim on this is that if your float type entirely contains the set of
> your int type, there's no doubt about how the conversion in one direction
> should work.

But using a floating type means you can ignore overflow issues and the
loss of precision therein.