XXLinalgMatrix.h

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#ifndef XXLinalgMatrixH
#define XXLinalgMatrixH
 
#include "XXMathExportDef.h"
 
#include <QVector>
 
#include <QDebug>
#include <QTextStream>
 
namespace XX
{
   namespace Linalg
   {
 
      class XXMATH_DECLSPEC Matrix
      {
      public:
         Matrix(const size_t& rowCount = 0, const size_t& columnCount = 0);
 
      public:
         struct Cell
         {
            size_t rowIndex;
            size_t columnIndex;
            double value;
 
            using List = QList<Cell>;
         };
 
      public:
         bool operator==(const Matrix& other) const;
         bool operator!=(const Matrix& other) const;
 
         Matrix operator+(const Matrix& other) const;
         Matrix operator-(const Matrix& other) const;
         Matrix operator*(const Matrix& other) const;
         Matrix operator*(const double& value) const;
         Matrix operator/(const double& value) const;
 
         Matrix& operator+=(const Matrix& other);
         Matrix& operator-=(const Matrix& other);
         Matrix& operator*=(const double& value);
         Matrix& operator/=(const double& value);
 
         const double& operator()(const size_t& rowIndex, const size_t& columnIndex) const;
         double& operator()(const size_t& rowIndex, const size_t& columnIndex);
 
      public:
         double getValue(const size_t& rowIndex, const size_t& columnIndex) const;
         void setValue(const size_t& rowIndex, const size_t& columnIndex, const double& value);
         void setValues(const Cell::List& cellList);
 
         bool sizeMatch(const Matrix& other) const;
         bool isNull() const;
 
         size_t getRowCount() const;
         size_t getColumnCount() const;
 
         Matrix transpose() const;
         double determinant() const;
 
         Matrix inverse() const;
         Matrix cofactor() const;
 
      private:
         friend XXMATH_DECLSPEC QDebug operator<<(QDebug stream, const Matrix& matrix);
         friend XXMATH_DECLSPEC QTextStream& operator>>(QTextStream& stream, Matrix& matrix);
         friend XXMATH_DECLSPEC QTextStream& operator<<(QTextStream& stream, const Matrix& matrix);
 
      private:
         double subDeterminant(const Matrix& matrix) const;
         size_t dataIndex(const size_t& rowIndex, const size_t& columnIndex) const;
 
      private:
         const size_t rowCount;
         const size_t columnCount;
         QVector<double> data;
      };

 
      XXMATH_DECLSPEC QDebug operator<<(QDebug stream, const Matrix& matrix);
      XXMATH_DECLSPEC QTextStream& operator>>(QTextStream& stream, Matrix& matrix);
      XXMATH_DECLSPEC QTextStream& operator<<(QTextStream& stream, const Matrix& matrix);

 
   } // namespace Linalg
} // namespace XX
 
#endif // NOT XXLinalgMatrixH