In this case it was a derivative work based upon source code from the book, which is permitted under the terms but precludes open dissemination. Further, the re

In this case it was a derivative work based upon source code from the book, which is permitted under the terms but precludes open dissemination. Further, the rest of the codebase was very tightly coupled to the algorithms since since the algorithms updated state in-place instead of returning values, so dropping in an open version of these algorithms was very non-trivial.