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

22.14 seinst3 - Einstein function E3(x)

#include <msca.h> 
 
double seinst3 (double x); 
float  seinst3f(float x);

Given a value x this function computes the third Einstein function

E (x)=log(1-e -x)
 3