The maths package provides a number of mathematical-related helpers:
distributions.go provides basic distribution-generating functions that are used primarily in testing contexts.
helpers_for_testing.go provides a testing assistents for this package and its dependents.
maths_test.go provides a test suite for all tests in the maths package hierarchy. It employs the gocheck framework for test scaffolding.
statistics.go provides basic summary statistics functions for the purpose of metrics aggregation.
statistics_test.go provides a test complement for the statistics.go module.