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ccos(3) | Library Functions Manual | ccos(3) |
NAME¶
ccos, ccosf, ccosl - complex cosine function
LIBRARY¶
Math library (libm, -lm)
SYNOPSIS¶
#include <complex.h>
double complex ccos(double complex z); float complex ccosf(float complex z); long double complex ccosl(long double complex z);
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
ATTRIBUTES¶
For an explanation of the terms used in this section, see attributes(7).
Interface | Attribute | Value |
ccos (), ccosf (), ccosl () | Thread safety | MT-Safe |
STANDARDS¶
C11, POSIX.1-2008.
HISTORY¶
glibc 2.1. C99, POSIX.1-2001.
SEE ALSO¶
2023-03-30 | Linux man-pages 6.04 |