From knut.gjerden at ntnu.no Wed Jan 27 10:48:46 2010 From: knut.gjerden at ntnu.no (Knut Skogstrand Gjerden) Date: Wed, 27 Jan 2010 11:48:46 +0100 Subject: [lisplab-devel] FFT Message-ID: <80D684A8-68E9-4135-BF22-BFAE00998BDA@ntnu.no> I was wondering why the destructive ffts "mess things up". I would like to use them to reduce cons-ing. Knut From jivestgarden at gmail.com Wed Jan 27 13:39:04 2010 From: jivestgarden at gmail.com (=?ISO-8859-1?Q?J=F8rn_Inge_Vestg=E5rden?=) Date: Wed, 27 Jan 2010 14:39:04 +0100 Subject: [lisplab-devel] FFT In-Reply-To: <80D684A8-68E9-4135-BF22-BFAE00998BDA@ntnu.no> References: <80D684A8-68E9-4135-BF22-BFAE00998BDA@ntnu.no> Message-ID: The problem with the destructive FFTs is mainly that they are poorly tested and I am not sure if they work or not anymore. There are also some more error situations that can happen with the destructive functions, such as when the input and output matrices are the same, in which case I am not sure what will happen. J?rn Inge 2010/1/27 Knut Skogstrand Gjerden : > I was wondering why the destructive ffts "mess things up". I would like to use them to reduce cons-ing. > > Knut > _______________________________________________ > lisplab-devel mailing list > lisplab-devel at common-lisp.net > http://common-lisp.net/cgi-bin/mailman/listinfo/lisplab-devel >