Math Scalar Library
Programming Reference Manual C/C++
Version 1.0 DD-00003-010

8.7 slog1p - Natural logarithm plus one log(x +1)

#include <msca.h>

double slog1p (double x);
float  slog1pf(float x);

Given a value x this function computes the natural logarithm of x plus one, that is log(x +1)  . This function is more precise than using the equivalent operations.