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asinh(3)

NAME

     asinh, asinhf -- inverse hyperbolic sine functions

LIBRARY

     Math Library (libm, -lm)

SYNOPSIS

     #include <math.h>

     double
     asinh(double x);

     float
     asinhf(float x);

DESCRIPTION

     The asinh() and the asinhf() functions compute the inverse hyperbolic
     sine of the real argument x.  For a discussion of error due to roundoff,
     see math(3).

RETURN VALUES

     The asinh() and the asinhf() functions return the inverse hyperbolic sine
     of x.

SEE ALSO

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

HISTORY

     The asinh() function appeared in 4.3BSD.

FreeBSD 5.4			  May 6, 1991			   FreeBSD 5.4

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