1CASINH(3P)                 POSIX Programmer's Manual                CASINH(3P)
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PROLOG

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.
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NAME

12       casinh, casinhf, casinhl — complex arc hyperbolic sine functions
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SYNOPSIS

15       #include <complex.h>
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17       double complex casinh(double complex z);
18       float complex casinhf(float complex z);
19       long double complex casinhl(long double complex z);
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DESCRIPTION

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.
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27       These  functions  shall  compute  the complex arc hyperbolic sine of z,
28       with branch cuts outside the  interval  [-i, +i]  along  the  imaginary
29       axis.
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RETURN VALUE

32       These  functions shall return the complex arc hyperbolic sine value, in
33       the range of a strip mathematically unbounded along the real  axis  and
34       in the interval [-iπ/2, +iπ/2] along the imaginary axis.
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ERRORS

37       No errors are defined.
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39       The following sections are informative.
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EXAMPLES

42       None.
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APPLICATION USAGE

45       None.
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RATIONALE

48       None.
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FUTURE DIRECTIONS

51       None.
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SEE ALSO

54       csinh()
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56       The Base Definitions volume of POSIX.1‐2017, <complex.h>
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59       Portions  of  this text are reprinted and reproduced in electronic form
60       from IEEE Std 1003.1-2017, Standard for Information Technology --  Por‐
61       table  Operating System Interface (POSIX), The Open Group Base Specifi‐
62       cations Issue 7, 2018 Edition, Copyright (C) 2018 by the  Institute  of
63       Electrical  and  Electronics Engineers, Inc and The Open Group.  In the
64       event of any discrepancy between this version and the original IEEE and
65       The  Open Group Standard, the original IEEE and The Open Group Standard
66       is the referee document. The original Standard can be  obtained  online
67       at http://www.opengroup.org/unix/online.html .
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69       Any  typographical  or  formatting  errors that appear in this page are
70       most likely to have been introduced during the conversion of the source
71       files  to  man page format. To report such errors, see https://www.ker‐
72       nel.org/doc/man-pages/reporting_bugs.html .
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76IEEE/The Open Group                  2017                           CASINH(3P)
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