#include "score.h"
#include <cassert>
#include <cmath>
namespace engine {
Score::Score(Value v) {
    assert(-VALUE_INFINITE < v && v < VALUE_INFINITE);

    if (!is_decisive(v)) {
        score = InternalUnits{ v };
    } else if (std::abs(v) <= VALUE_TB) {
        auto distance = VALUE_TB - std::abs(v);
        score = (v > 0) ? Tablebase{ distance, true } : Tablebase{ -distance, false };
    } else {
        auto distance = VALUE_MATE - std::abs(v);
        score = (v > 0) ? Mate{ distance } : Mate{ -distance };
    }
}
} // namespace engine