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2017-09-15
Aliases: ccosf(3), ccosf(3), ccosf(3), ccosf(3), ccosf(3), ccosf(3), ccosf(3), ccosf(3), ccosl(3), ccosl(3), ccosl(3), ccosl(3), ccosl(3), ccosl(3), ccosl(3), ccosl(3)

manpages-dev

Manual pages about using GNU/Linux for development

man-pages

Linux kernel and C library user-space interface documentation

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

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
Thread safety MT-Safe

CONFORMING TO

C99, POSIX.1-2001, POSIX.1-2008.

COLOPHON

This page is part of release 5.00 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
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