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/* $NetBSD: cabs.c,v 1.1 2007/08/20 16:01:30 drochner Exp $ */
/*
* Written by Matthias Drochner <drochner@NetBSD.org>.
* Public domain.
*
* imported and modified include for newlib 2010/10/03
* Marco Atzeri <marco_atzeri@yahoo.it>
*/
/*
FUNCTION
<<cabs>>, <<cabsf>>---complex absolute-value
INDEX
cabs
INDEX
cabsf
ANSI_SYNOPSIS
#include <complex.h>
double cabs(double complex <[z]>);
float cabsf(float complex <[z]>);
DESCRIPTION
These functions compute compute the complex absolute value
(also called norm, modulus, or magnitude) of <[z]>.
<<cabsf>> is identical to <<cabs>>, except that it performs
its calculations on <<floats complex>>.
RETURNS
The cabs functions return the complex absolute value.
PORTABILITY
<<cabs>> and <<cabsf>> are ISO C99
QUICKREF
<<cabs>> and <<cabsf>> are ISO C99
*/
#include <complex.h>
#include <math.h>
double
cabs(double complex z)
{
return hypot( creal(z), cimag(z) );
}
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