.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) .\" .\" %%%LICENSE_START(GPL_NOVERSION_ONELINE) .\" Distributed under GPL .\" %%%LICENSE_END .\" .TH CSINH 3 2017-09-15 "" "Linux Programmer's Manual" .SH NAME csinh, csinhf, csinhl \- complex hyperbolic sine .SH SYNOPSIS .B #include .PP .BI "double complex csinh(double complex " z ");" .br .BI "float complex csinhf(float complex " z ");" .br .BI "long double complex csinhl(long double complex " z ");" .PP Link with \fI\-lm\fP. .SH DESCRIPTION These functions calculate the complex hyperbolic sine of .IR z . .PP The complex hyperbolic sine function is defined as: .PP .nf csinh(z) = (exp(z)\-exp(\-z))/2 .fi .SH VERSIONS These functions first appeared in glibc in version 2.1. .SH ATTRIBUTES For an explanation of the terms used in this section, see .BR attributes (7). .TS allbox; lbw27 lb lb l l l. Interface Attribute Value T{ .BR csinh (), .BR csinhf (), .BR csinhl () T} Thread safety MT-Safe .TE .sp 1 .SH CONFORMING TO C99, POSIX.1-2001, POSIX.1-2008. .SH SEE ALSO .BR cabs (3), .BR casinh (3), .BR ccosh (3), .BR ctanh (3), .BR complex (7)