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

12.10 savcspi - Half-Cycle Arcvercosine vcs-1(x)/π

#include <msca.h> 
 
double savcspi (double x); 
float  savcspif(float x);

Given a value x this function computes the half-cycle arcvercosine of x , vcs-1(x)/π .