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c++ Programming Glossary: m_colsTemplated copy-constructor fails with specific templated type http://stackoverflow.com/questions/1249814/templated-copy-constructor-fails-with-specific-templated-type U Matrix Matrix U const ... private unsigned int m_rows m_cols T m_data ... With an appropriate typecast added to the copy.. U Matrix T Matrix Matrix U const obj m_rows obj.GetNumRows m_cols obj.GetNumCols m_data new T m_rows m_cols for unsigned int r.. obj.GetNumRows m_cols obj.GetNumCols m_data new T m_rows m_cols for unsigned int r 0 r m_rows r for unsigned int c 0 c m_cols..
Get the first column of a matrix represented by a vector of vectors http://stackoverflow.com/questions/15778377/get-the-first-column-of-a-matrix-represented-by-a-vector-of-vectors NumRows const return m_rows int NumColumns const return m_cols int NumElements const return m_data.size Direct vector access.. return m_data int Index int row int col const return row m_cols col Get a single value T Value int row int col return m_data.. int start int length int stride const int m_rows int m_cols vector T m_data This class is basically sugar coating around..
1D or 2D array, what's faster? http://stackoverflow.com/questions/17259877/1d-or-2d-array-whats-faster const_reference empty matrix simple void m_rows 0U m_cols 0U zero value initialized matrix rows cols simple size_type.. rows cols simple size_type rows size_type cols m_rows rows m_cols cols m_data rows cols T copy initialized matrix rows cols simple.. rows size_type cols const_reference val m_rows rows m_cols cols m_data rows cols val element access reference operator..
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