From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <7adec4067480d065f73e0b67fd5ebc70@plan9.bell-labs.com>
To: rog@vitanuova.com, 9fans@cse.psu.edu
Subject: Re: [9fans] image resampling; enjoy
From: "Russ Cox" <rsc@plan9.bell-labs.com>
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Date: Fri, 12 Apr 2002 13:17:11 -0400
Topicbox-Message-UUID: 76c04cd6-eaca-11e9-9e20-41e7f4b1d025

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);
}