ccosl (3) Linux Manual Page
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
These functions calculate the complex cosine of z.The complex cosine function is defined as:
ccos(z) = (exp(i * z) + exp(-i * z)) / 2
Versions
These functions first appeared in glibc in version 2.1.Attributes
For an explanation of the terms used in this section, see attributes(7).| Interface | Attribute | Value |
| ccos(), ccosf(), ccosl() | Thread safety | MT-Safe |