catanhl man page on HP-UX

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catanh(3M)							    catanh(3M)

NAME
       catanh(),  catanhf(),  catanhl(),  catanhw(),  catanhq()	 - complex arc
       hyperbolic tangent functions

SYNOPSIS
DESCRIPTION
       These functions are available only for Integrity servers.

       returns the complex arc hyperbolic tangent of z,	 in  the  range	 of  a
       strip  mathematically unbounded along the real axis and in the interval
       along the imaginary axis.  Branch cuts are outside the interval [-1,+1]
       along the real axis.

       is a version of it takes a argument and returns a result.

       is a version of it takes a argument and returns a result.

       is an version of it takes an argument and returns an result.

       is equivalent to on HP-UX systems.

USAGE
       To  use	these functions, compile with the default option.  To use com‐
       pile with the option.  Make sure your program includes Link in the math
       library by specifying on the compiler or linker command line.

RETURN VALUE
       = and is odd.

       returns +0+i0.

       returns +0+iNaN.

       returns +Inf+i0 and raises the divide-by-zero floating-point exception.

       returns for finite positive-signed x.

       returns	NaN+iNaN  and  optionally  raises  the	invalid floating-point
       exception, for nonzero finite x.

       returns for finite positive-signed y.

       returns

       returns +0+iNaN.

       returns NaN+iNaN	 and  optionally  raises  the  invalid	floating-point
       exception, for finite y.

       returns (where the sign of the real part of the result is unspecified).

       returns NaN+iNaN.

ERRORS
       No errors are defined.

SEE ALSO
       atanh(3M), ctanh(3M), complex(5).

STANDARDS CONFORMANCE
       : ISO/IEC C99 (including Annex G, ``IEC 60559-compatible complex arith‐
       metic'')

			   HP Integrity Server Only		    catanh(3M)
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