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Re: [Help-gsl] FFTs and views

From: Brian Gough
Subject: Re: [Help-gsl] FFTs and views
Date: Wed, 20 Dec 2006 17:15:13 +0000
User-agent: Wanderlust/2.14.0 (Africa) Emacs/21.3 Mule/5.0 (SAKAKI)

At Tue, 19 Dec 2006 10:50:47 -0600,
lilly canelkatz wrote:
> I get views of the rows of this matrix
>   thisrowz=gsl_matrix_complex_row(thiszmatrix , thisrownumber);
> and would like to use them as input to 1-D FFTs:
>     gsl_fft_complex_radix2_forward(thisrowz, 1, NOCOLS)
>  I can't however because
> gsl_fft_complex_radix2_forward  takes a gsl_complex_packed_array as its
> first argument rather than
>  a complex vector view. Is there an elegant way to handle this please?

You can call it like this:


gsl_complex_packed_array is equivalent to double*

Brian Gough
(GSL Maintainer)

Network Theory Ltd,
Publishing the GSL Manual -

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