#include <chrono>
#include <cstdlib>
#include <future>
#include <iostream>
#include <memory>
#include <thread>
#include <vector>

#include <catch.hpp>
#include <SurfaceGrid.h>

TEST_CASE("lstsq", "TEST1")
{
    ais::Matrix<double> ia{
        1, 1, 1, 1, 1, 1,
        1, 2, 3, 6, 4, 9,
        1, 3, 2, 6, 9, 4,
        1, 4, 4, 16, 16, 16,
        1, 5, 5, 25, 25, 25};
    ia.reshape(5, 6);
    ais::Matrix<double> ib{0.2, 0.3, 0.1, 0.5, 0.4};
    auto coe = ais::linalg::lstsq(ia, ib);
    std::cerr << coe.str() << std::endl;
}