F: 0.1 badly converted
make tests:
Run tests with Farith
0.100000 + 2.000000 = 2.100000
0.100000 : +3602879701896397p-55
2.000000 : +1p1
2.100000 : +4728779608739021p-51
Run tests with F
0.100000 + 2.000000 = 0.000000
0.100000 : 0p-52
2.000000 : 1p1
0.000000 : 0