Re: Best way to compare CGFloats
Re: Best way to compare CGFloats
- Subject: Re: Best way to compare CGFloats
- From: Alastair Houghton <email@hidden>
- Date: Wed, 30 Jun 2010 11:06:55 +0100
On 30 Jun 2010, at 10:46, Rimas M. wrote:
> In my case I am interested in x's and y's comparison. Not points as
> themselves. But your suggestion gave me another question, which I have
> never thought about before - how NSEqualPoints, ...Rects etc works? I
> guess they *must* be safe to use, because NSPoint, NSRect etc relies
> on floats/doubles. Or they uses the same '==' and are TRUE only if
> points/rects are *really* equal?
I think they test for exact equality. Whether that's documented or not I'm
not certain, but disassembling those functions appears to support that
conclusion.
Kind regards,
Alastair.
--
http://alastairs-place.net
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