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[Bug-gsl] Bug in gsl_fft_complex_radix2_forward(), when n = 4096.

From: Clifford George
Subject: [Bug-gsl] Bug in gsl_fft_complex_radix2_forward(), when n = 4096.
Date: Mon, 16 Mar 2009 08:09:20 -0400

Dear Experts,

We are having trouble getting gsl_fft_complex_radix2_forward() to work
at all when n = 4096.

We have stride = 1. It works when n = 2048 (and 512), but does not work
when n = 4096.

We are using the latest version of GSL (1.12).

The symptoms are that we either get a segmentation fault or are told the

gsl c_radix2.c:90: ERROR: n is not a power of 2
Default GSL error handler invoked.

As stated above setting n to 2048 and the problem goes away, but we
really need this to work for n = 4096.

Any ideas?

Thanking you all in advance for any assistance you can give in resolving
this matter.

Cliff George
Paradise Datacom

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