CCOS(3) complex math routines CCOS(3)NAME
ccos, ccosf, ccosl - complex cosine function
SYNOPSIS
#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.
DESCRIPTION
The complex cosine function ccos(z) is defined as
(exp(i*z)+exp(-i*z))/2.
CONFORMING TO
C99
SEE ALSOcabs(3), csin(3), ctan(3), complex(7)
2002-07-28 CCOS(3)