Matrix.hpp

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//
// Created by Andrew Nazareth on 5/24/24.
//
 
#ifndef OASIS_MATRIX_HPP
#define OASIS_MATRIX_HPP
#include "Eigen/Dense"
#include "LeafExpression.hpp"
 
namespace Oasis {
typedef Eigen::Matrix<double, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor> MatrixXXD;
typedef Eigen::Matrix<double, Eigen::Dynamic, 1> Matrix1D;
class Matrix : public LeafExpression<Matrix> {
public:
    Matrix() = default;
    Matrix(const Matrix& other) = default;
    Matrix(size_t numRows, size_t numCols);
    Matrix(size_t numRows, size_t numCols, std::vector<double>& vals);
 
    explicit Matrix(MatrixXXD other);
 
    [[nodiscard]] auto Equals(const Expression& other) const -> bool final;
 
    EXPRESSION_TYPE(Matrix)
    EXPRESSION_CATEGORY(UnExp)
 
    
    [[nodiscard]] auto GetMatrix() const -> MatrixXXD;
 
    [[nodiscard]] auto GetRows() const -> size_t;
 
    [[nodiscard]] auto GetCols() const -> size_t;
 
    [[nodiscard]] auto Transpose() const -> std::unique_ptr<Matrix>;
 
    [[nodiscard]] auto Inverse() const -> std::unique_ptr<Matrix>;
 
    [[nodiscard]] auto Integrate(const Expression& integrationVariable) const -> std::unique_ptr<Expression> final;
 
    [[nodiscard]] auto Identity() const -> std::unique_ptr<Expression>;
 
    [[nodiscard]] auto Differentiate(const Expression&) const -> std::unique_ptr<Expression> final;
 
    auto operator=(const Matrix& other) -> Matrix& = default;
 
private:
    MatrixXXD matrix {};
};
 
} // Oasis
#endif // OASIS_MATRIX_HPP