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/* $NetBSD: creal.c,v 1.2 2010/09/15 16:11:29 christos 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
<<creal>>, <<crealf>>, <<creall>>---real part
INDEX
creal
INDEX
crealf
INDEX
creall
SYNOPSIS
#include <complex.h>
double creal(double complex <[z]>);
float crealf(float complex <[z]>);
double long creall(long double complex <[z]>);
DESCRIPTION
These functions compute the real part of <[z]>.
<<crealf>> is identical to <<creal>>, except that it performs
its calculations on <<float complex>>.
<<creall>> is identical to <<creal>>, except that it performs
its calculations on <<long double complex>>.
RETURNS
The creal* functions return the real part value.
PORTABILITY
<<creal>>, <<crealf>> and <<creall>> are ISO C99
QUICKREF
<<creal>>, <<crealf>> and <<creall>> are ISO C99
*/
#include <complex.h>
#include "../common/fdlibm.h"
double
creal(double complex z)
{
double_complex w = { .z = z };
return (REAL_PART(w));
}
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