### Compilation failed:

error: 11: unknown identifier 'fma'
    return (fma(one, two, three)         == (1 * 2 + 3)) &&
            ^^^
error: 12: unknown identifier 'fma'
           (fma(half(three), four, five) == (3 * 4 + 5)) &&
            ^^^
error: 13: unknown identifier 'fma'
           (fma(6, 7, 8)                 == (6 * 7 + 8)) ? colorGreen : colorRed;
            ^^^
3 errors