chessy/src/Minimax.h

#ifndef CHESSY_MINIMAX_H
#define CHESSY_MINIMAX_H

#include <iostream>
#include <utility>

#include "MoveGeneration.h"

namespace chessy
{
    using MoveValue = float;

    /*!
     * \brief conducts a performance test iterating through all positions
     *        up to a specified depth.
     *
     * \param out the stream to write info to
     * \param chessGame the game to iterate through the positions
     * \param depth how deep to search (in halfmoves)
     *
     * \return the number of nodes visited
     */
    size_t perft(std::ostream& out, ChessGame& chessGame, int depth);

    std::pair<Move, MoveValue> miniMax(ChessGame& chessGame, int depth);

    MoveValue negamaxImplementation(ChessGame& cg, int depth,
            MoveValue alpha, MoveValue beta);

    template<Side side>
    MoveValue evaluatePositives(const ChessGame& game);

    MoveValue evaluate(Side side, const ChessGame& game);
}



#endif // CHESSY_MIrIMAX_H