Major Description
The commons-math interpolation libraries (https://commons.apache.org/proper/commons-math/javadocs/api-3.0/org/apache/commons/math3/analysis/interpolation/package-summary.html) are an elegant, object-oriented approach to mathematical interpolation.
We require porting of these libraries to the new commons-numbers replacement project, as well as updating the libraries to use features found in Java 8+ (e.g. lambdas) that will enable a more universally efficient performance (on e.g. heterogeneous systems), and writing more substantial documentation.