.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) .\" Distributed under GPL .\" .TH CSIN 3 2002-07-28 "" "Linux Programmer's Manual" .SH NAME csin, csinf, csinl \- complex sine function .SH SYNOPSIS .B #include .sp .BI "double complex csin(double complex " z ");" .br .BI "float complex csinf(float complex " z ); .br .BI "long double complex csinl(long double complex " z ");" .sp Link with \fI\-lm\fP. .SH DESCRIPTION The complex sine function csin(z) is defined as (exp(i*z)\-exp(\-i*z))/(2*i). .SH "CONFORMING TO" C99 .SH "SEE ALSO" .BR cabs (3), .BR csin (3), .BR ctan (3), .BR complex (7)