CTan12

const CTan12: array [0..15] of Single = (0, 0.26794919, 0.57735027, 1, 1.73205081, 3.73205081, 9.9999999e10, - 3.73205081, - 1.73205081, - 1, - 0.57735027, - 0.26794919, 0, 0.26794919, 0.57735027, 1);