std::vector<double>&& Grid2::uploadGrid(const std::string& fileName, const std::vector<double>& mainGrid) const  {

	std::vector<double> result;

	std::ifstream in(fileName);
	for (int curElem = 0; curElem < mainGrid.size() - 1; curElem++) {
		double start = mainGrid[curElem];
		double end = mainGrid[curElem + 1];

		double n, k, h;
		in >> n >> k;
		n = n - 1;
		result.push_back(start);
		if (k != 1.) {
			h = (end - start) * (1 - k) / (1 - pow(k, n));
			for (int i = 1; i < n; i++) {
				result.push_back(result.back() + h);
				h *= k;
			}
		}
		else {
			h = (end - start) / (n);
			for (int i = 1; i < n; i++) {
				result.push_back(result.back() + h);
			}
		}
	}
	result.push_back(mainGrid.back());
	in.close();
	return std::move(result);
}

Grid2&& Grid2::procreate(const std::string& xKoeff, const std::string& yKoeff) const {
	Grid2 result;
	result.xGrid = uploadGrid(xKoeff, this->xGrid);
	result.yGrid = uploadGrid(yKoeff, this->yGrid);
	return std::move(result);
}