Lab1Methods345

#include <iostream>
#include <cmath>
#include "Algo1.h"

int main(void)
{
    const auto f = [](double x) -> double
    {
        return sin(x) * x * x * x;
    };

    double x = fibonacci(0, 6, f, 50);
    double y = parabola(0, 6, f, 50, 0.0001);
    double z = brent(0, 6, f, 50, 0.0001);
    std::cout << x << " " << f(x) << std::endl;
    std::cout << y << " " << f(y) << std::endl;
    std::cout << z << " " << f(z) << std::endl;
    std::cout << std::endl;

    x = fibonacci(0, 20, f, 50);
    y = parabola(0, 20, f, 50, 0.0001);
    z = brent(0, 20, f, 50, 0.0001);
    std::cout << x << " " << f(x) << std::endl;
    std::cout << y << " " << f(y) << std::endl;
    std::cout << z << " " << f(z) << std::endl;
    std::cout << std::endl;

    x = fibonacci(0, 100, f, 50);
    y = parabola(0, 100, f, 50, 0.0001);
    z = brent(0, 100, f, 50, 0.0001);
    std::cout << x << " " << f(x) << std::endl;
    std::cout << y << " " << f(y) << std::endl;
    std::cout << z << " " << f(z) << std::endl;
    std::cout << std::endl;

    return 0;
}