9fans - fans of the OS Plan 9 from Bell Labs
 help / color / mirror / Atom feed
From: "peter a. cejchan" <pac@cejchan.gli.cas.cz>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] image resampling; enjoy
Date: Tue, 16 Apr 2002 09:17:16 +0000	[thread overview]
Message-ID: <71652467.0204150026.10277157@posting.google.com> (raw)
In-Reply-To: <7adec4067480d065f73e0b67fd5ebc70@plan9.bell-labs.com>

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.


  reply	other threads:[~2002-04-16  9:17 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-04-12 17:17 Russ Cox
2002-04-16  9:17 ` peter a. cejchan [this message]
  -- strict thread matches above, loose matches on Subject: below --
2002-04-12 15:33 Russ Cox

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=71652467.0204150026.10277157@posting.google.com \
    --to=pac@cejchan.gli.cas.cz \
    --cc=9fans@cse.psu.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).