Well, given the comments at the top: // Contributed by Mark C. Lewis. // Modified slightly by Chad Whipkey. // Converted from Java to C++ and added SSE suppo

Well, given the comments at the top: // Contributed by Mark C. Lewis. // Modified slightly by Chad Whipkey. // Converted from Java to C++ and added SSE support by Branimir Maksimovic. // Converted from C++ to C by Alexey Medvedchikov. // Modified by Jeremy Zerfas. It sounds like no-one bothered to actually write a from-scratch version of many of these things :)