This code is described in \"Computational Geometry in C\" (Second Edition), Chapter 8. It is not written to be comprehensible without the explanation in that book. Prints out one arm configuration to reach given target. Assumes number of l

crc8 计算 g(x) = x8 + x2 + x1 -crc8 calculate g(x) = x8+ x2+ x1+ x1