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