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 2021-03-22 "" "Linux Programmer's Manual"
9 ctan, ctanf, ctanl \- complex tangent function
12 .B #include <complex.h>
14 .BI "double complex ctan(double complex " z ");"
15 .BI "float complex ctanf(float complex " z );
16 .BI "long double complex ctanl(long double complex " z ");"
21 These functions calculate the complex tangent of
24 The complex tangent function is defined as:
27 ctan(z) = csin(z) / ccos(z)
30 These functions first appeared in glibc in version 2.1.
32 For an explanation of the terms used in this section, see
40 Interface Attribute Value
45 T} Thread safety MT-Safe
51 C99, POSIX.1-2001, POSIX.1-2008.