C/Visual C - matlab a builder

#include <vector>

class FIRFilter {

public:

    FIRFilter(const std::vector<double>& coefficients) : coeffs(coefficients) {}

    double process(double input) {

        // Agregar el nuevo valor a la señal

        signal.push_back(input);

        if (signal.size() > coeffs.size()) {

            signal.erase(signal.begin()); // Mantener el tamaño

        }

        // Calcular la salida

        double output = 0.0;

        for (size_t i = 0; i < coeffs.size(); ++i) {

            output += coeffs[i] * signal[signal.size() - 1 - i];

        }

        return output;

    }

private:

    std::vector<double> coeffs;

    std::vector<double> signal;

};