Ln1p-func
Minimum Origin Version Required: 2019 SR0
This function returns the natural logarithm for the given x when x is very approaching to 1.
double ln1p( double x)
x
Returns the value of ln(x) when x is very approaching to 1.
ln1p(1+10^-24)=; // ANS: ln1p(1+10^-24)=0.69314718055995 ln1p(1-10^-10)=; // ANS: ln1p(1-10^-10)=0.69314718050995
ln, log