From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,5b77ccc592359c44 X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII Path: g2news2.google.com!postnews.google.com!a37g2000prf.googlegroups.com!not-for-mail From: "lanceboyle@qwest.net" Newsgroups: comp.lang.ada Subject: Re: Fourier Date: Fri, 17 Jul 2009 12:29:11 -0700 (PDT) Organization: http://groups.google.com Message-ID: <0e19471f-f044-43ca-8777-59c019b3e8d3@a37g2000prf.googlegroups.com> References: <7d786043-8924-429d-bc8b-643a02b80ab9@26g2000yqk.googlegroups.com> NNTP-Posting-Host: 75.172.192.201 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1247858951 587 127.0.0.1 (17 Jul 2009 19:29:11 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Fri, 17 Jul 2009 19:29:11 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: a37g2000prf.googlegroups.com; posting-host=75.172.192.201; posting-account=x5rpZwoAAABMN2XPwcebPWPkebpwQNJG User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_7; en-US) AppleWebKit/528.16+(KHTML, like Gecko, Safari/528.16) OmniWeb/v622.8.0,gzip(gfe),gzip(gfe) Xref: g2news2.google.com comp.lang.ada:7117 Date: 2009-07-17T12:29:11-07:00 List-Id: On Jul 16, 8:18=A0pm, Pablo wrote: > Does someone know an ADA implementation of some Fourier Transform? Or > where I can find it... You can have mine if you want it. It uses a fast algorithm (from Oppenheim & Schafer) for powers of 2 and a non-fast algorithm for non- powers-of-2. No precomputation of twiddle factors but super-easy to use. Jerry