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atanh

The function atanh computes the arc hyperbolic tangent.

Compatibility:

This function is compatible with the following targets:

ANSI

BeOS

EMB/RTOS

Mac OS

Palm OS

Win32


Prototype:
#include <math.h>
double atanh ( double x );
Parameters:

Parameters for this function are:

x  
double  
The value to compute  

Return:

The arc hyperbolic tangent of x.

Remarks:

A domain error occurs for arguments not in the range [-1,+1]

See Also:

"atan"


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Last updated: August 16, 2000