[MAN] ccos

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CCOS

Section: Linux Programmer's Manual (3)
Updated: 2017-09-15
Index Return to Main Contents

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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
ccos(), ccosf(), ccosl()	Thread safety	MT-Safe

 

CONFORMING TO

C99, POSIX.1-2001, POSIX.1-2008.  

SEE ALSO

cabs(3), cacos(3), csin(3), ctan(3), complex(7)  

COLOPHON

This page is part of release 4.15 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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Index

NAME

SYNOPSIS

DESCRIPTION

VERSIONS

ATTRIBUTES

CONFORMING TO

SEE ALSO

COLOPHON

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