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