[patch] test failures in interpft.m

[Rob Mahurin]

Hello,

I have compiled Octave from the 3.0.3 tarball on OS X 10.4.11 (powerpc).
The command "test interpft" fails:
> octave:3> test interpft
>   ***** assert (interpft(y, n), y, 2*eps);
> !!!!! test failed
> error: assert (interpft (y, n),y,2 * eps) expected
>    0.00000
>    0.84147
> [...]
> but got
>    3.1919e-16
>    8.4147e-01
> [...]
> maximum absolute error 3.9968e-15 exceeds tolerance 4.44089e-16


interpft.m uses a Fourier transform.  The problem seems to come from  
linking against the FFTPACK library rather than FFTW.

Patch to relax the test attached.  Cheers.

Rob

-- 
Rob Mahurin
Department of Physics and Astronomy
University of Tennessee 		865 207 2594
Knoxville, TN 37996 			rob at utk.edu


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