Flashnux

GNU/Linux man pages

Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :

GNU/Linux	CentOS 5.1
	ccos(3)

CCOS

ccos, ccosf, ccosl − complex cosine function

#include <complex.h>

double complex ccos(double complex z);
float complex ccosf(float complex z);
long double complex ccosl(long double complex z);

Link with −lm.

The complex cosine function ccos(z) is defined as (exp(i*z)+exp(−i*z))/2.

C99