Types.hpp

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#ifndef AI_TOOLBOX_TYPES_HEADER_FILE
#define AI_TOOLBOX_TYPES_HEADER_FILE
 
#include <vector>
#include <random>
 
#include <boost/multi_array.hpp>
 
#include <Eigen/Core>
#include <Eigen/SparseCore>
 
namespace AIToolbox {
    // This should have decent properties.
    using RandomEngine = std::mt19937;
 
    using Vector = Eigen::Matrix<double, Eigen::Dynamic, 1>;
 
    using Matrix2D       = Eigen::Matrix<double, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor | Eigen::AutoAlign>;
    using SparseMatrix2D = Eigen::SparseMatrix<double, Eigen::RowMajor>;
 
    using Matrix3D       = std::vector<Matrix2D>;
    using SparseMatrix3D = std::vector<SparseMatrix2D>;
 
    using Matrix4D       = boost::multi_array<Matrix2D,       2>;
    using SparseMatrix4D = boost::multi_array<SparseMatrix2D, 2>;
 
    using Table2D = Eigen::Matrix<unsigned long, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor | Eigen::AutoAlign>;
    using Table3D = std::vector<Table2D>;
 
    using SparseTable2D = Eigen::SparseMatrix<unsigned long, Eigen::RowMajor>;
    using SparseTable3D = std::vector<SparseTable2D>;
 
    // This is used to store a probability vector (sums to one, every element >= 0, <= 1)
    using ProbabilityVector = Vector;
 
    using DumbMatrix2D = boost::multi_array<double, 2>;
    using DumbMatrix3D = boost::multi_array<double, 3>;
    using DumbTable2D  = boost::multi_array<unsigned long, 2>;
    using DumbTable3D  = boost::multi_array<unsigned long, 3>;
 
    inline struct NoCheck {} NO_CHECK;
}
 
#endif