ahvc.c File Reference

Inverse haversed cosine. More...

#include "prim.h"

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Functions
double	ahvc (double x)
	Inverse haversed cosine. More...

Detailed Description

Inverse haversed cosine.

Definition in file ahvc.c.

Function Documentation

ahvc()

double ahvc

(

double

x

)

Inverse haversed cosine.

Definition at line 40 of file ahvc.c.

References acos(), and sqrt().

Referenced by RealNumber::ArcHaVerCosine().

{
    double a = sqrt(x);
    double b = acos(a);
    double c = 2.0 * b;    
    return c;
}

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