linux man page for catanf

Query: catanf

OS: linux

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

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

NAME
catan, catanf, catanl - complex arc tangents
SYNOPSIS
#include <complex.h> double complex catan(double complex z); float complex catanf(float complex z); long double complex catanl(long double complex z); Link with -lm.
DESCRIPTION
The catan() function calculates the complex arc tangent of z. If y = catan(z), then z = ctan(y). The real part of y is chosen in the interval [-pi/2,pi/2]. One has: catan(z) = 1 / 2i clog((1 + iz) / (1 - iz))
VERSIONS
These functions first appeared in glibc in version 2.1.
CONFORMING TO
C99.
SEE ALSO
ccos(3), clog(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 CATAN(3)
Related Man Pages
catanl(3) - debian
catanf(3) - centos
catan(3) - redhat
catan(3) - php
catan(3) - minix
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