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

12.2 svcspi - Half-Cycle Vercosine vcs(πx)

#include <msca.h> 
 
double svcspi (double x); 
float  svcspif(float x);

Given a value x this function computes the half-cycle vercosine of x , vcs(πx)  .