The offset_normal mutator introduces random variation by adding a Gaussian
random amount to a variable value. The random amount has a standard deviation
dependent on the mutation_scale.
Sandia National Laboratories is a multimission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC., a wholly owned subsidiary of Honeywell International, Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA-0003525.
