Training-the-perceptron.swift

func randomDouble() -> Double {
    return Double(arc4random()) / Double(UINT32_MAX)
}

func createData(numPoints: Int) -> [PerceptronDataPair] {
    var data = [PerceptronDataPair]()
    
    for _ in 0..<numPoints {
        let x = [2.0 * (randomDouble() - 0.5)]
        let y = line(x[0])
        data.append(PerceptronDataPair(input: x, output: isAbove(y)))
    }

    return data
}

let trainingData = createData(100)

let trainer = PerceptronTrainer(data: data)
trainer.train(&p)