conjl

Langue: en

Version: 2008-08-11 (ubuntu - 24/10/10)

Section: 3 (Bibliothèques de fonctions)

NAME

conj, conjf, conjl - calculate the complex conjugate

SYNOPSIS

#include <complex.h>

double complex conj(double complex z);
float complex conjf(float complex z);
long double complex conjl(long double complex z);

Link with -lm.

DESCRIPTION

The conj() function returns the complex conjugate value of z. That is the value obtained by changing the sign of the imaginary part.

One has:

 
     cabs(z) = csqrt(z * conj(z))
 

VERSIONS

These functions first appeared in glibc in version 2.1.

CONFORMING TO

C99.

SEE ALSO

cabs(3), sqrt(3), complex(7)

COLOPHON

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