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ASINH(3)                    BSD Programmer's Manual                   ASINH(3)

NAME
     asinh - inverse hyperbolic sine function

SYNOPSIS
     #include <&lt;math.h>&gt;

     double
     asinh(double x);

DESCRIPTION
     The asinh() function computes the inverse hyperbolic sine of the real ar-
     gument x. For a discussion of error due to roundoff, see math(3).

RETURN VALUES
     The asinh() function returns the inverse hyperbolic sine of x.

SEE ALSO
     acosh(3),  atanh(3),  exp(3),  infnan(3) math(3),

HISTORY
     The asinh() function appeared in 4.3BSD.

4.3 Berkeley Distribution        June 4, 1993                                1