positiveMachineEpsilon top-level property

double positiveMachineEpsilon

Actual double precision machine epsilon, the smallest number that can be added to 1, yielding a results different than 1.

This is also known as unit roundoff error. According to the definition of Prof. Higham. On a standard machine this is equivalent to positiveDoublePrecision.


final double positiveMachineEpsilon = _measurePositiveMachineEpsilon()