'\" t .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) .\" .\" SPDX-License-Identifier: GPL-1.0-or-later .\" .TH csinh 3 2023-10-31 "Linux man-pages 6.06" .SH NAME csinh, csinhf, csinhl \- complex hyperbolic sine .SH LIBRARY Math library .RI ( libm ", " \-lm ) .SH SYNOPSIS .nf .B #include .P .BI "double complex csinh(double complex " z ); .BI "float complex csinhf(float complex " z ); .BI "long double complex csinhl(long double complex " z ); .fi .SH DESCRIPTION These functions calculate the complex hyperbolic sine of .IR z . .P The complex hyperbolic sine function is defined as: .P .in +4n .EX csinh(z) = (exp(z)\-exp(\-z))/2 .EE .in .SH ATTRIBUTES For an explanation of the terms used in this section, see .BR attributes (7). .TS allbox; lbx lb lb l l l. Interface Attribute Value T{ .na .nh .BR csinh (), .BR csinhf (), .BR csinhl () T} Thread safety MT-Safe .TE .SH STANDARDS C11, POSIX.1-2008. .SH HISTORY glibc 2.1. C99, POSIX.1-2001. .SH SEE ALSO .BR cabs (3), .BR casinh (3), .BR ccosh (3), .BR ctanh (3), .BR complex (7)