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) ; |
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These functions calculate the complex cosine of z
.
The complex cosine function is defined as:
ccos(z) = (exp(i * z) + exp(−i * z)) / 2
For an explanation of the terms used in this section, see attributes(7).
Interface | Attribute | Value |
ccos (), ccosf (), ccosl () |
Thread safety | MT-Safe |