[vsipl++] [patch] fft_ext, window tests

[Don McCoy]

Don McCoy wrote:

> Attached is a patch that makes all of the "fft_ext" tests pass.  Also 
> added conditional compiler directive such that it will build, run and 
> pass even if no FFT is defined.  The fft_ext.cpp module may now be run 
> on data files without command line options, provided that the first 
> two letters of the filename indicate the desired fft type (c-c, c-r, 
> or r-c).  It also runs both single and double precision FFT's on the 
> data, unless an option is provided to select one or the other.
>
> While making these changes, I also caught the fact that the window.cpp 
> test also needed this conditional (because the Chebyshev function is 
> dependent on FFT).
>
> Ok to commit?

Resubmitting this after realizing I had incorrectly applied a 
conditional compilation directive around the FFT call in 
src/vsip/signal-window.cpp.

-- 
Don McCoy
CodeSourcery, LLC

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