asinh

NAME

asinh, asinhf, asinhl - inverse hyperbolic sine function

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

I float asinhf(float  x );

I long double asinhl(long double  x );

Link with -lm.

The R asinh () function calculates the inverse hyperbolic sine of x; that is the value whose hyperbolic sine is x.

SVr4, POSIX.1-2001, 4.3BSD, C89. The float and long double variants are C99 requirements.