#ifndef LOG_H

#define LOG_H

#include <string></string>

#include <sstream></sstream>

#include <iomanip></iomanip>

#include "vector.h"

#include "matrix.h"

#include "perspective.h"

class Log {

public:

	static const std::string& tab()

		{ static std::string t = "    "; return t; }

	static const std::string tab(int count) {

		const std::string &t = tab();

		std::string tt;

		for(int i = 0; i < count; ++i) tt += t;

		return tt;

	}

	template<typename t=""></typename>

	static std::string to_string(const VectorT<t> &x, int w = 0) {</t>

		std::stringstream s;

		s << "(";

		for(int i = 0; i < VectorT<t>::Count; ++i)</t>

			s << (i ? ", " : "") << std::setw(w) << x[i] << std::setw(0);

		s << ")";

		return s.str();

	}

	template<typename t=""></typename>

	static std::string to_string(const PairT<t> &x, int w = 0)</t>

		{ return to_string(x.p0, w) + "-" + to_string(x.p1, w); }

	static std::string to_string(const Matrix3 &x, int w = 0, const std::string &prefix = std::string()) {

		std::stringstream s;

		for(int i = 0; i < 3; ++i)

			s << prefix << to_string(x[i], w) << std::endl;

		return s.str();

	}

};

#endif