|NAME | SYNOPSIS | DESCRIPTION | VERSIONS | CONFORMING TO | SEE ALSO | COLOPHON||The Linux Programming Interface|
CASINH(3) Linux Programmer's Manual CASINH(3)
casinh, casinhf, casinhl - complex arc sine hyperbolic
#include <complex.h> double complex casinh(double complex z); float complex casinhf(float complex z); long double complex casinhl(long double complex z); Link with -lm.
The casinh() function calculates the complex arc hyperbolic sine of z. If y = casinh(z), then z = csinh(y). The imaginary part of y is chosen in the interval [-pi/2,pi/2]. One has: casinh(z) = clog(z + csqrt(z * z + 1))
These functions first appeared in glibc in version 2.1.
asinh(3), cabs(3), cimag(3), csinh(3), complex(7)
This page is part of release 3.51 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 CASINH(3)
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