Revised the source codes
updated the source codes.
The source codes have been updated in 2022 using g++ v8.1.0 (GNU C++ Complier). Please see the Release notes.
Original source codes
The original source codes were written in 2000 using the following compilers:
- g++ v2.8 (GNU C++ Compiler) on Solaris 2.4.
- Borland C++ v3.1, Turbo C++ v3.0 on MS-DOS.
