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From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: Inferring array index type from array object
Date: Tue, 29 Jun 2010 14:18:08 -0700
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Date: 2010-06-29T14:18:08-07:00
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On 06/29/2010 01:55 PM, Warren wrote:
>
> gsl_complex
> gsl_complex_inverse (gsl_complex a)
> {                               /* z=1/a */
>    double s = 1.0 / gsl_complex_abs (a);
>
>    gsl_complex z;
>    GSL_SET_COMPLEX (&z, (GSL_REAL (a) * s) * s, -(GSL_IMAG (a) * s) * s);
>    return z;
> }

IIUC, the multiplicative inverse of z is

(z*)/(|z|**2)

where z* is the conjugate of z. Maybe this is the same thing.

-- 
Jeff Carter
"Blessed is just about anyone with a vested interest in the status quo."
Monty Python's Life of Brian
73