Acosh computes the (non-negative) arc hyperbolic cosine of x in the range [0, +INF] a domain error occurs for arguments less than 1a range error occurs if x is too large.

This function is compatible with the following targets:

ANSI

BeOS

EMB/RTOS

Mac OS

Palm OS

Win32

#include <math.h>

double acosh ( double x ); 

Parameters for this function are:

x

double

The value to compute

The (non-negative) arc hyperbolic cosine of x.

"acos"