OneDiv2PowLookup: array[0..OneDiv2PowLookupMax] of float = ( 1, 0.5, 0.25, 0.125, 0.0625, 0.03125, 0.015625, 0.0078125, 0.00390625, 0.001953125, 0.0009765625, 0.00048828125, 0.000244140625, 0.0001220703125, 6.103515625E-5, 3.0517578125E-5, 1.52587890625E-5, 7.62939453125E-6, 3.814697265625E-6, 1.9073486328125E-6, 9.5367431640625E-7, 4.76837158203125E-7, 2.38418579101563E-7, 1.19209289550781E-7, 5.96046447753906E-8, 2.98023223876953E-8, 1.49011611938477E-8, 7.45058059692383E-9, 3.72529029846191E-9, 1.86264514923096E-9, 9.31322574615479E-10, 4.65661287307739E-10, 2.3283064365387E-10, 1.16415321826935E-10, 5.82076609134674E-11);
This is constant CommonTypes.OneDiv2PowLookup.