suse man page for casin

Query: casin

OS: suse

Section: 3

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

NAME
casin, casinf, casinl - complex arc sine
SYNOPSIS
#include <complex.h> double complex casin(double complex z); float complex casinf(float complex z); long double complex casinl(long double complex z); Link with -lm.
DESCRIPTION
The casin() function calculates the complex arc sine of z. If y = casin(z), then z = csin(y). The real part of y is chosen in the inter- val [-pi/2,pi/2]. One has: casin(z) = -i clog(iz + csqrt(1 - z * z))
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 3.25 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 CASIN(3)
Related Man Pages
casinf(3m) - sunos
casinl(3m) - sunos
casin(3m) - opensolaris
casin(3) - v7
casin(3) - plan9
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