1. 4efbfb7 portability fixes by Lev Walkin · 19 years ago
  2. 61f89c4 removed orthohonality by Lev Walkin · 20 years ago
  3. 4ef7c32 comparison with sign by Lev Walkin · 20 years ago
  4. f15320b Initial revision by Lev Walkin · 20 years ago