0.250000 0011111111010000000000000000000000000000000000000000000000000000 0.250000
0.500000 0011111111100000000000000000000000000000000000000000000000000000 0.500000
neg reals don't work
-0.250000 1011111111010000000000000000000000000000000000000000000000000000 -0.250000
-0.500000 1011111111100000000000000000000000000000000000000000000000000000 -0.500000