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some reorganization leading to simpler expression trees

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This commit is contained in:
Benoit Jacob
2007-09-28 11:20:29 +00:00
parent aa3294f14e
commit 51e29ae4bd
5 changed files with 34 additions and 33 deletions
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38
src/internal/Object.h
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@@ -28,14 +28,21 @@
#include "Util.h"
template<typename _Scalar, typename _Derived> class EiObject
template<typename Scalar, typename Derived> class EiObject
{
static const int RowsAtCompileTime = _Derived::RowsAtCompileTime,
ColsAtCompileTime = _Derived::ColsAtCompileTime;
static const int RowsAtCompileTime = Derived::RowsAtCompileTime,
ColsAtCompileTime = Derived::ColsAtCompileTime;
template<typename OtherDerived>
void _copy_helper(const EiObject<Scalar, OtherDerived>& other)
{
for(int i = 0; i < rows(); i++)
for(int j = 0; j < cols(); j++)
write(i, j) = other.read(i, j);
}
public:
typedef typename EiForwardDecl<_Derived>::Ref Ref;
typedef _Scalar Scalar;
typedef _Derived Derived;
typedef typename EiForwardDecl<Derived>::Ref Ref;
int rows() const { return static_cast<const Derived *>(this)->_rows(); }
int cols() const { return static_cast<const Derived *>(this)->_cols(); }
@@ -61,9 +68,7 @@ template<typename _Scalar, typename _Derived> class EiObject
Derived& operator=(const EiObject<Scalar, OtherDerived>& other)
{
assert(rows() == other.rows() && cols() == other.cols());
for(int i = 0; i < rows(); i++)
for(int j = 0; j < cols(); j++)
write(i, j) = other.read(i, j);
_copy_helper(other);
return *static_cast<Derived*>(this);
}
@@ -72,17 +77,14 @@ template<typename _Scalar, typename _Derived> class EiObject
Derived& operator=(const EiObject& other)
{
assert(rows() == other.rows() && cols() == other.cols());
for(int i = 0; i < rows(); i++)
for(int j = 0; j < cols(); j++)
write(i, j) = other.read(i, j);
_copy_helper(other);
return *static_cast<Derived*>(this);
}
EiRow<EiObject> row(int i);
EiColumn<EiObject> col(int i);
EiMinor<EiObject> minor(int row, int col);
EiBlock<EiObject>
block(int startRow, int endRow, int startCol= 0, int endCol = 0);
EiRow<Derived> row(int i);
EiColumn<Derived> col(int i);
EiMinor<Derived> minor(int row, int col);
EiBlock<Derived> block(int startRow, int endRow, int startCol= 0, int endCol = 0);
template<typename OtherDerived>
Derived& operator+=(const EiObject<Scalar, OtherDerived>& other);
@@ -111,7 +113,7 @@ template<typename _Scalar, typename _Derived> class EiObject
Scalar& operator()(int row, int col = 0)
{ return write(row, col); }
EiEval<EiObject> eval() const;
EiEval<Derived> eval() const;
};
template<typename Scalar, typename Derived>