1CACOSH(3P)                 POSIX Programmer's Manual                CACOSH(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

13       cacosh, cacoshf, cacoshl — complex arc hyperbolic cosine functions
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SYNOPSIS

16       #include <complex.h>
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18       double complex cacosh(double complex z);
19       float complex cacoshf(float complex z);
20       long double complex cacoshl(long double complex z);
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DESCRIPTION

23       The functionality described on this reference page is aligned with  the
24       ISO C  standard.  Any  conflict between the requirements described here
25       and the ISO C standard is unintentional. This  volume  of  POSIX.1‐2008
26       defers to the ISO C standard.
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28       These  functions  shall compute the complex arc hyperbolic cosine of z,
29       with a branch cut at values less than 1 along the real axis.
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RETURN VALUE

32       These functions shall return the complex arc hyperbolic  cosine  value,
33       in the range of a half-strip of non-negative values along the real axis
34       and in the interval [−iπ, +iπ] 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       ccosh()
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56       The Base Definitions volume of POSIX.1‐2008, <complex.h>
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59       Portions of this text are reprinted and reproduced in  electronic  form
60       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
61       -- Portable Operating System Interface (POSIX),  The  Open  Group  Base
62       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
63       cal and Electronics Engineers,  Inc  and  The  Open  Group.   (This  is
64       POSIX.1-2008  with  the  2013  Technical Corrigendum 1 applied.) In the
65       event of any discrepancy between this version and the original IEEE and
66       The  Open Group Standard, the original IEEE and The Open Group Standard
67       is the referee document. The original Standard can be  obtained  online
68       at http://www.unix.org/online.html .
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70       Any  typographical  or  formatting  errors that appear in this page are
71       most likely to have been introduced during the conversion of the source
72       files  to  man page format. To report such errors, see https://www.ker
73       nel.org/doc/man-pages/reporting_bugs.html .
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77IEEE/The Open Group                  2013                           CACOSH(3P)
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