asinh()

compute the inverse hyperbolic sine

Synopsis:

#include <math.h>
double asinh( double x );

Description:

The asinh() function computes the inverse hyperbolic sine of x.

Returns:

The inverse hyperbolic sine value.

Examples:

#include <stdio.h>
#include <math.h>

void main()
  {
    printf( "%f\n", asinh( 0.5 ) );
  }

produces the output:

0.481212

Classification:

WATCOM

See also:

acosh(), atanh(), sinh(), errno, matherr()