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Linux 2.6 - man page for ccosf (linux section 3)

CCOS(3) 						     Linux Programmer's Manual							   CCOS(3)

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), csin(3), ctan(3), complex(7)
COLOPHON
This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. 2008-08-11 CCOS(3)