1 .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
2 .\" Distributed under GPL
4 .TH CSIN 3 2008-08-11 "" "Linux Programmer's Manual"
6 csin, csinf, csinl \- complex sine function
8 .B #include <complex.h>
10 .BI "double complex csin(double complex " z ");"
12 .BI "float complex csinf(float complex " z );
14 .BI "long double complex csinl(long double complex " z ");"
18 The complex sine function is defined as:
21 csin(z) = (exp(i * z) \- exp(\-i * z)) / (2 * i)
24 These functions first appeared in glibc in version 2.1.