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Re: Complex math functions closer to Hull, Fairgrieve and Tang
- From: Brian Gough <bjg at network-theory dot co dot uk>
- To: Andrew Binkley <abinkley at cs dot toronto dot edu>
- Cc: gsl-discuss at sources dot redhat dot com
- Date: Sat, 10 May 2003 22:27:02 +0100
- Subject: Re: Complex math functions closer to Hull, Fairgrieve and Tang
- References: <Pine.LNX.4.44.0305091018560.23772-100000@epoch.cs>
Andrew Binkley writes:
> Hello all,
> I would like to implement the GSL complex functions so that they
> correspond more closely to those suggested by Hull, Fairgrieve and Tang,
> "Implementing Complex Elementary Functions Using Exception Handling", ACM
> Transactions on Mathematical Software, Volume 20 (1994), pp 215-244.
>
> With regards to the function gsl_complex_abs, I am having a hard time
> finding the implementation of hypot. I understand that it is generally
> platform dependent (depending on the installation); however, I am really
> just interested (at least for now) in the implementation of gsl_hypot. If
> you could tell me which file in the gsl contains the implementation I
> would appreciate it.
>From the top-level directory
grep -n gsl_hypot */*.c
will find it.