acvs.c File Reference

Inverse coversed sine function. More...

#include "prim.h"

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Functions
double	acvs (double x)
	Inverse coversed sine function. More...

Detailed Description

Inverse coversed sine function.

Definition in file acvs.c.

Function Documentation

acvs()

double acvs

(

double

x

)

Inverse coversed sine function.

Definition at line 40 of file acvs.c.

References atan(), and sqrt().

Referenced by RealNumber::ArcCoVerSine().

{
    double a = 1.0 - x;
    double b = 2.0 * x - x * x;
    double c = sqrt(b);
    double d = atan(a / c);  
    return d;
}

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