7. Erwin Unruh, Prime numbers(Primzahlen),
http://www.erwin-unruh.de/Prim.html .
8. Blitz++,
http://www.oonumerics.org/blitz .
9. Loki,
http://sourceforge.net/projects/loki-lib .
10. POOMA,
http://www.pooma.com.
11. MinGW - Minimalist GNU for Windows,
http://sourceforge.net/projects/mingw.
