double
     asinh(double x);

     long double
     asinhl(long double x);

     float
     asinhf(float x);

DESCRIPTION

     The asinh() function computes the inverse hyperbolic sine of the real
     argument

SPECIAL VALUES

     asinh(+-0) returns +-0.

     asinh(+-infinity) returns +-infinity.

SEE ALSO

     acosh(3), atanh(3), exp(3), math(3)

STANDARDS

     The asinh() function conforms to ISO/IEC 9899:1999(E).

4.3 Berkeley Distribution      November 18, 2002     4.3 Berkeley Distribution