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

7.5 ssecpi - Half-Cycle Secant sec(πx)

#include <msca.h> 
 
double ssecpi (double x); 
float  ssecpif(float x);

Given a value x this function computes the half-cycle secant sec(πx)  .