Math Scalar Library
Programming Reference Manual C/C++
Version 1.1 DD-00003-011

11.13 sahav - Archaversine hav-1(x)

#include <msca.h> 
 
double sahav (double x); 
float  sahavf(float x);

Given a value x this function computes the archaversine of x , hav-1(x)  .