```doc
# Float

This protocol defines all the protocols and functions required for a value to masquerade as a floating point number.
```
protocol Float,
  requires:
    AbsoluteValue + Addition + Division + Equality + Greater + GreaterOrEqual +
    Less + LessOrEqual + Multiplication + Negation,
  as: do
    def nan?(self: Self): Boolean
    def infinite?(self: Self): Boolean
    def finite?(self: Self): Boolean
    def subnormal?(self: Self): Boolean
    def normal?(self: Self): Boolean
    def sign_positive?(self: Self): Boolean
    def sign_negative?(self: Self): Boolean
    def inverse(self: Self): Option
  end