csv_matrix.h

Go to the documentation of this file.

/**************************************************************************
Copyright: (C) 2022 Alexander Shaduri
License: Zlib
***************************************************************************/
 
#ifndef CSV_MATRIX_H
#define CSV_MATRIX_H
 
#include <cstddef>
 
 
namespace Csv {
 
 
 
enum class MatrixOrder {
    RowMajor,  
    ColumnMajor,  
};
 
 
 
class MatrixInformation {
    public:
 
        [[nodiscard]] static constexpr std::size_t matrixIndex(std::size_t row, std::size_t column,
                std::size_t rows, std::size_t columns, MatrixOrder order)
        {
            if (order == MatrixOrder::RowMajor) {
                return row * columns + column;
            }
            return column * rows + row;
        }
 
 
 
        [[nodiscard]] constexpr std::size_t matrixIndex(std::size_t row, std::size_t column) const
        {
            return matrixIndex(row, column, rows_, columns_, order_);
        }
 
 
        [[nodiscard]] constexpr std::size_t getRows() const
        {
            return rows_;
        }
 
 
        constexpr void setRows(const std::size_t rows)
        {
            rows_ = rows;
        }
 
 
        [[nodiscard]] constexpr std::size_t getColumns() const
        {
            return columns_;
        }
 
 
        constexpr void setColumns(const std::size_t columns)
        {
            columns_ = columns;
        }
 
 
        [[nodiscard]] constexpr MatrixOrder getOrder() const
        {
            return order_;
        }
 
 
        constexpr void setOrder(MatrixOrder order)
        {
            order_ = order;
        }
 
 
    private:
        std::size_t rows_ = 0;   
        std::size_t columns_ = 0;  
        MatrixOrder order_ = MatrixOrder::RowMajor;  
 
};
 
 
 
}  // end ns
 
 
 
#endif