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Added specializations for DontAlign when using Dynamic matrices.

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This allows users to store Matrices in smart pointers without the
need for a specialized allocator/de-allocator.
This commit is contained in:
Hauke Heibel 2009-06-03 16:47:38 +02:00
parent f292d2352e
commit 71e5cbcbc4
1 changed files with 103 additions and 9 deletions
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112
Eigen/src/Core/MatrixStorage.h
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@ -66,10 +66,10 @@ template <typename T, int Size, int MatrixOptions> struct ei_matrix_array<T,Size
*
* \sa Matrix
*/
template<typename T, int Size, int _Rows, int _Cols, int _Options> class ei_matrix_storage;
template<typename T, int Size, int _Rows, int _Cols, int _Options, bool Align = ((_Options&DontAlign)==0)> class ei_matrix_storage;
// purely fixed-size matrix
template<typename T, int Size, int _Rows, int _Cols, int _Options> class ei_matrix_storage
template<typename T, int Size, int _Rows, int _Cols, int _Options, bool Align> class ei_matrix_storage
{
ei_matrix_array<T,Size,_Options> m_data;
public:
@ -86,7 +86,7 @@ template<typename T, int Size, int _Rows, int _Cols, int _Options> class ei_matr
};
// null matrix
template<typename T, int _Rows, int _Cols, int _Options> class ei_matrix_storage<T, 0, _Rows, _Cols, _Options>
template<typename T, int _Rows, int _Cols, int _Options, bool Align> class ei_matrix_storage<T, 0, _Rows, _Cols, _Options, Align>
{
public:
inline explicit ei_matrix_storage() {}
@ -101,7 +101,7 @@ template<typename T, int _Rows, int _Cols, int _Options> class ei_matrix_storage
};
// dynamic-size matrix with fixed-size storage
template<typename T, int Size, int _Options> class ei_matrix_storage<T, Size, Dynamic, Dynamic, _Options>
template<typename T, int Size, int _Options, bool Align> class ei_matrix_storage<T, Size, Dynamic, Dynamic, _Options, Align>
{
ei_matrix_array<T,Size,_Options> m_data;
int m_rows;
@ -126,7 +126,7 @@ template<typename T, int Size, int _Options> class ei_matrix_storage<T, Size, Dy
};
// dynamic-size matrix with fixed-size storage and fixed width
template<typename T, int Size, int _Cols, int _Options> class ei_matrix_storage<T, Size, Dynamic, _Cols, _Options>
template<typename T, int Size, int _Cols, int _Options, bool Align> class ei_matrix_storage<T, Size, Dynamic, _Cols, _Options, Align>
{
ei_matrix_array<T,Size,_Options> m_data;
int m_rows;
@ -148,7 +148,7 @@ template<typename T, int Size, int _Cols, int _Options> class ei_matrix_storage<
};
// dynamic-size matrix with fixed-size storage and fixed height
template<typename T, int Size, int _Rows, int _Options> class ei_matrix_storage<T, Size, _Rows, Dynamic, _Options>
template<typename T, int Size, int _Rows, int _Options, bool Align> class ei_matrix_storage<T, Size, _Rows, Dynamic, _Options, Align>
{
ei_matrix_array<T,Size,_Options> m_data;
int m_cols;
@ -170,7 +170,7 @@ template<typename T, int Size, int _Rows, int _Options> class ei_matrix_storage<
};
// purely dynamic matrix.
template<typename T, int _Options> class ei_matrix_storage<T, Dynamic, Dynamic, Dynamic, _Options>
template<typename T, int _Options> class ei_matrix_storage<T, Dynamic, Dynamic, Dynamic, _Options, true>
{
T *m_data;
int m_rows;
@ -203,8 +203,42 @@ template<typename T, int _Options> class ei_matrix_storage<T, Dynamic, Dynamic,
inline T *data() { return m_data; }
};
// purely dynamic matrix with Align flag being set to false.
template<typename T, int _Options> class ei_matrix_storage<T, Dynamic, Dynamic, Dynamic, _Options, false>
{
T *m_data;
int m_rows;
int m_cols;
public:
inline explicit ei_matrix_storage() : m_data(0), m_rows(0), m_cols(0) {}
inline ei_matrix_storage(ei_constructor_without_unaligned_array_assert)
: m_data(0), m_rows(0), m_cols(0) {}
inline ei_matrix_storage(int size, int rows, int cols)
: m_data(new T[size]), m_rows(rows), m_cols(cols) {}
inline ~ei_matrix_storage() { delete [] m_data; }
inline void swap(ei_matrix_storage& other)
{ std::swap(m_data,other.m_data); std::swap(m_rows,other.m_rows); std::swap(m_cols,other.m_cols); }
inline int rows(void) const {return m_rows;}
inline int cols(void) const {return m_cols;}
void resize(int size, int rows, int cols)
{
if(size != m_rows*m_cols)
{
delete [] m_data;
if (size)
m_data = new T[size];
else
m_data = 0;
}
m_rows = rows;
m_cols = cols;
}
inline const T *data() const { return m_data; }
inline T *data() { return m_data; }
};
// matrix with dynamic width and fixed height (so that matrix has dynamic size).
template<typename T, int _Rows, int _Options> class ei_matrix_storage<T, Dynamic, _Rows, Dynamic, _Options>
template<typename T, int _Rows, int _Options> class ei_matrix_storage<T, Dynamic, _Rows, Dynamic, _Options, true>
{
T *m_data;
int m_cols;
@ -232,8 +266,38 @@ template<typename T, int _Rows, int _Options> class ei_matrix_storage<T, Dynamic
inline T *data() { return m_data; }
};
// matrix with dynamic width and fixed height (so that matrix has dynamic size)
// with Align flag being set to false.
template<typename T, int _Rows, int _Options> class ei_matrix_storage<T, Dynamic, _Rows, Dynamic, _Options, false>
{
T *m_data;
int m_cols;
public:
inline explicit ei_matrix_storage() : m_data(0), m_cols(0) {}
inline ei_matrix_storage(ei_constructor_without_unaligned_array_assert) : m_data(0), m_cols(0) {}
inline ei_matrix_storage(int size, int, int cols) : m_data(new T[size]), m_cols(cols) {}
inline ~ei_matrix_storage() { delete [] m_data; }
inline void swap(ei_matrix_storage& other) { std::swap(m_data,other.m_data); std::swap(m_cols,other.m_cols); }
inline static int rows(void) {return _Rows;}
inline int cols(void) const {return m_cols;}
void resize(int size, int, int cols)
{
if(size != _Rows*m_cols)
{
delete [] m_data;
if (size)
m_data = new T[size];
else
m_data = 0;
}
m_cols = cols;
}
inline const T *data() const { return m_data; }
inline T *data() { return m_data; }
};
// matrix with dynamic height and fixed width (so that matrix has dynamic size).
template<typename T, int _Cols, int _Options> class ei_matrix_storage<T, Dynamic, Dynamic, _Cols, _Options>
template<typename T, int _Cols, int _Options> class ei_matrix_storage<T, Dynamic, Dynamic, _Cols, _Options, true>
{
T *m_data;
int m_rows;
@ -261,4 +325,34 @@ template<typename T, int _Cols, int _Options> class ei_matrix_storage<T, Dynamic
inline T *data() { return m_data; }
};
// matrix with dynamic height and fixed width (so that matrix has dynamic size)
// with Align flag being set to false.
template<typename T, int _Cols, int _Options> class ei_matrix_storage<T, Dynamic, Dynamic, _Cols, _Options, false>
{
T *m_data;
int m_rows;
public:
inline explicit ei_matrix_storage() : m_data(0), m_rows(0) {}
inline ei_matrix_storage(ei_constructor_without_unaligned_array_assert) : m_data(0), m_rows(0) {}
inline ei_matrix_storage(int size, int rows, int) : m_data(new T[size]), m_rows(rows) {}
inline ~ei_matrix_storage() { delete [] m_data; }
inline void swap(ei_matrix_storage& other) { std::swap(m_data,other.m_data); std::swap(m_rows,other.m_rows); }
inline int rows(void) const {return m_rows;}
inline static int cols(void) {return _Cols;}
void resize(int size, int rows, int)
{
if(size != m_rows*_Cols)
{
delete [] m_data;
if (size)
m_data = new T[size];
else
m_data = 0;
}
m_rows = rows;
}
inline const T *data() const { return m_data; }
inline T *data() { return m_data; }
};
#endif // EIGEN_MATRIX_H