atanh man page on Ultrix

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asinh(3m)							     asinh(3m)

Name
       asinh, acosh, atanh - inverse hyperbolic functions

Syntax
       #include <math.h>

       double asinh(x)
       double x;

       double acosh(x)
       double x;

       double atanh(x)
       double x;

Description
       These functions compute the designated inverse hyperbolic functions for
       real arguments.

Return Values
       The function returns 0.0 if the argument is less than 1.

       The function returns the HUGE value if the argument has absolute	 value
       greater than or equal to 1.

See Also
       exp(3m), intro(3m)

				      VAX			     asinh(3m)
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