Re: A float point arithmetic in kernel extension
Re: A float point arithmetic in kernel extension
- Subject: Re: A float point arithmetic in kernel extension
- From: Graham J Lee <email@hidden>
- Date: Thu, 9 Mar 2006 12:17:42 +0000
On 9 Mar 2006, at 02:45, wlq wrote:
Thank you.
I have done it and It works well.
But, the table is not large enough
to fill all the point.
OK, you can interpolate between table entries for points which aren't
covered in the table. A linear correction might be good enough, but
I wonder whether there's a straightforward way to devise a quadratic
correction, given that gamma is "about 2"[*] for a lot of display
equipment.
[*]I think it's 1.8 for almost all CRTs and 2.2 for some old-school
Macintosh displays.
--
Graham Lee GPG Key ID: 01D5B9D8
UNIX Systems Manager,
Oxford Physics Practical Course
http://users.ox.ac.uk/~wadh1342 01865 273450
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