cacosh(3) - NetBSD Manual Pages

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CACOSH(3)               NetBSD Library Functions Manual              CACOSH(3)


NAME

     cacosh, cacoshf, cacoshl -- complex arc hyperbolic cosine functions


SYNOPSIS

     #include <complex.h>

     double complex
     cacosh(double complex z);

     float complex
     cacoshf(float complex z);

     long double complex
     cacoshl(long double complex z);


DESCRIPTION

     These functions compute the complex arc hyperbolic cosine of z, with a
     branch cut at values less than 1 along the real axis.


RETURN VALUES

     These functions return the complex arc hyperbolic cosine value, in the
     range of a half-strip of non-negative values along the real axis and in
     the interval [-i pi, +i pi] along the imaginary axis.


ERRORS

     No errors are defined.


SEE ALSO

     ccosh(3), IEEE Std 1003.1-2001 (``POSIX.1'') <complex.h>


COPYRIGHT

     Portions of this text are reprinted and reproduced in electronic form
     from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
     -- Portable Operating System Interface (POSIX), The Open Group Base Spec-
     ifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electri-
     cal and Electronics Engineers, Inc and The Open Group.  In the event of
     any discrepancy between this version and the original IEEE and The Open
     Group Standard, the original IEEE and The Open Group Standard is the ref-
     eree document.  The original Standard can be obtained online at
     http://www.opengroup.org/unix/online.html .

NetBSD 10.99                   January 29, 2013                   NetBSD 10.99