Improve the "map" API and corresponding Matrix constructors

This commit is contained in:
Benoit Jacob 2007-12-18 15:29:28 +00:00
parent a32690a222
commit 3380429e3a
3 changed files with 40 additions and 6 deletions

View File

@ -66,7 +66,23 @@ template<typename MatrixType> class Map
template<typename Scalar, typename Derived>
Map<Derived> MatrixBase<Scalar, Derived>::map(const Scalar* data, int rows, int cols)
{
return Map<Derived>(const_cast<Scalar*>(data),rows, cols);
return Map<Derived>(const_cast<Scalar*>(data), rows, cols);
}
template<typename Scalar, typename Derived>
Map<Derived> MatrixBase<Scalar, Derived>::map(const Scalar* data, int size)
{
assert(IsVector);
if(ColsAtCompileTime == 1)
return Map<Derived>(const_cast<Scalar*>(data), size, 1);
else
return Map<Derived>(const_cast<Scalar*>(data), 1, size);
}
template<typename Scalar, typename Derived>
Map<Derived> MatrixBase<Scalar, Derived>::map(const Scalar* data)
{
return Map<Derived>(const_cast<Scalar*>(data), RowsAtCompileTime, ColsAtCompileTime);
}
template<typename _Scalar, int _Rows, int _Cols>
@ -74,7 +90,23 @@ Matrix<_Scalar, _Rows, _Cols>
::Matrix(const Scalar *data, int rows, int cols)
: Storage(rows, cols)
{
*this = Map<Matrix>(const_cast<Scalar*>(data), rows, cols);
*this = map(data, rows, cols);
}
template<typename _Scalar, int _Rows, int _Cols>
Matrix<_Scalar, _Rows, _Cols>
::Matrix(const Scalar *data, int size)
: Storage(size)
{
*this = map(data, size);
}
template<typename _Scalar, int _Rows, int _Cols>
Matrix<_Scalar, _Rows, _Cols>
::Matrix(const Scalar *data)
: Storage()
{
*this = map(data);
}
#endif // EIGEN_FROMARRAY_H

View File

@ -144,8 +144,9 @@ class Matrix : public MatrixBase<_Scalar, Matrix<_Scalar, _Rows, _Cols> >,
(Storage::m_data)[2] = z;
(Storage::m_data)[3] = w;
}
explicit Matrix(const Scalar *data, int rows = RowsAtCompileTime,
int cols = ColsAtCompileTime);
Matrix(const Scalar *data, int rows, int cols);
Matrix(const Scalar *data, int size);
explicit Matrix(const Scalar *data);
template<typename OtherDerived>
Matrix(const MatrixBase<Scalar, OtherDerived>& other)

View File

@ -95,8 +95,9 @@ template<typename Scalar, typename Derived> class MatrixBase
diagonal(const OtherDerived& coeffs);
DiagonalCoeffs<Derived> diagonal() const;
static Map<Derived>
map(const Scalar* array, int rows = RowsAtCompileTime, int cols = ColsAtCompileTime);
static Map<Derived> map(const Scalar* array, int rows, int cols);
static Map<Derived> map(const Scalar* array, int size);
static Map<Derived> map(const Scalar* array);
template<typename OtherDerived>
bool isApprox(