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fdiv 

        # Integer.fdiv

(from ruby core)
---
    fdiv(numeric) -> float

---

Returns the Float result of dividing `self` by `numeric`:

    4.fdiv(2)      # => 2.0
    4.fdiv(-2)      # => -2.0
    -4.fdiv(2)      # => -2.0
    4.fdiv(2.0)      # => 2.0
    4.fdiv(Rational(3, 4))      # => 5.333333333333333

Raises an exception if `numeric` cannot be converted to a Float.

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