Float+Extension.swift

extension Float {
    var toInt32: Int32 {
        // Directly bitwise copy and expressed as Int32
        return Int32(bitPattern: self.bitPattern)
    }
}

lef f1 = Float(338_556)
let f2 = f1 + f1.ulp

// Differecne between two int32 is actually the distance in ulp
if abs(f1.toInt32 - f2.toInt32) <= 1 {
    print("Two float are equal")
} else {
    print("Not equal")
}