expm1
ES2015 Math.expm1() ponyfill
ES2015 Math.expm1() ponyfill
Ponyfill for ES6 Math.expm1()
Compute exp(x) - 1.
Relative error exponential.
Create an iterator which computes `exp(x) - 1` for each iterated value.
Create an iterator which evaluates the relative error exponential for each iterated value.