Re: why use pow(x, 2)?
Re: why use pow(x, 2)?
- Subject: Re: why use pow(x, 2)?
- From: Kyle Sluder <email@hidden>
- Date: Mon, 2 Nov 2009 11:04:09 -0800
On Mon, Nov 2, 2009 at 11:01 AM, Chunk 1978 <email@hidden> wrote:
> float dist = pow(red - r, 2) + pow(green - g, 2) + pow(blue - b, 2);
>
> float dist = ((red - r) * 2) + ((green - g) * 2) + ((blue - b) * 2);
You are aware that x^2 != 2x, right?
--Kyle Sluder
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