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You are here: manpages





CCOS

Section: Linux Programmer's Manual (3)
Updated: 2008-08-11
Index Return to Main Contents
 

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

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.  

CONFORMING TO

C99.  

SEE ALSO

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

COLOPHON

This page is part of release 3.81 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 http://www.kernel.org/doc/man-pages/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
VERSIONS
CONFORMING TO
SEE ALSO
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