From mboxrd@z Thu Jan  1 00:00:00 1970
To: 9fans@cse.psu.edu
From: "peter a. cejchan" <pac@cejchan.gli.cas.cz>
Message-ID: <71652467.0204150026.10277157@posting.google.com>
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References: <7adec4067480d065f73e0b67fd5ebc70@plan9.bell-labs.com>
Subject: Re: [9fans] image resampling; enjoy
Date: Tue, 16 Apr 2002 09:17:16 +0000
Topicbox-Message-UUID: 780e4516-eaca-11e9-9e20-41e7f4b1d025

rsc@plan9.bell-labs.com (Russ Cox) wrote in message news:<7adec4067480d065f73e0b67fd5ebc70@plan9.bell-labs.com>...
> here's a copy of the kaiser function without
> greek letters, in case your mailer destroys them.
>
> double
> kaiser(double x, double tao, double alpha)
> {
> 	if(fabs(x) > tao)
> 		return 0.;
> 	return i0(alpha*sqrt(1-(x*x/(tao*tao))))/i0(alpha);
> }

Yup! Yup! Yup! WoW!!!
It works! Fine!
Just for curiosity: Where does it come from? Man page says that
/sys/src/cmd/, however, nothing like that is in mine. Is it from
Release 4?
Many thanks, ( it is just another step to my complete switch to Plan
9)

++pac.