1CTANH(3P) POSIX Programmer's Manual CTANH(3P)
2
3
4
6 This manual page is part of the POSIX Programmer's Manual. The Linux
7 implementation of this interface may differ (consult the corresponding
8 Linux manual page for details of Linux behavior), or the interface may
9 not be implemented on Linux.
10
12 ctanh, ctanhf, ctanhl — complex hyperbolic tangent functions
13
15 #include <complex.h>
16
17 double complex ctanh(double complex z);
18 float complex ctanhf(float complex z);
19 long double complex ctanhl(long double complex z);
20
22 The functionality described on this reference page is aligned with the
23 ISO C standard. Any conflict between the requirements described here
24 and the ISO C standard is unintentional. This volume of POSIX.1‐2017
25 defers to the ISO C standard.
26
27 These functions shall compute the complex hyperbolic tangent of z.
28
30 These functions shall return the complex hyperbolic tangent value.
31
33 No errors are defined.
34
35 The following sections are informative.
36
38 None.
39
41 None.
42
44 None.
45
47 None.
48
50 catanh()
51
52 The Base Definitions volume of POSIX.1‐2017, <complex.h>
53
55 Portions of this text are reprinted and reproduced in electronic form
56 from IEEE Std 1003.1-2017, Standard for Information Technology -- Por‐
57 table Operating System Interface (POSIX), The Open Group Base Specifi‐
58 cations Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of
59 Electrical and Electronics Engineers, Inc and The Open Group. In the
60 event of any discrepancy between this version and the original IEEE and
61 The Open Group Standard, the original IEEE and The Open Group Standard
62 is the referee document. The original Standard can be obtained online
63 at http://www.opengroup.org/unix/online.html .
64
65 Any typographical or formatting errors that appear in this page are
66 most likely to have been introduced during the conversion of the source
67 files to man page format. To report such errors, see https://www.ker‐
68 nel.org/doc/man-pages/reporting_bugs.html .
69
70
71
72IEEE/The Open Group 2017 CTANH(3P)