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

22.16 ssi - Sine Integral Si(x)

#include <msca.h> 
 
double ssi (double x); 
float  ssif(float x);

Given a value x this function computes the Sine Integral:

     ∫ xsin(x)
Si(x)= 0   x  dx