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generalized ei_traits<>.

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Finally the importing macro is named EIGEN_BASIC_PUBLIC_INTERFACE
because it does not only import the ei_traits, it also makes the base class
a friend, etc.
This commit is contained in:
Benoit Jacob
2008-03-12 17:17:36 +00:00
parent 01572b9f54
commit 2ee68a074e
38 changed files with 507 additions and 457 deletions
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26
Eigen/src/Core/Identity.h
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@@ -32,17 +32,23 @@
* \sa MatrixBase::identity(), MatrixBase::identity(int,int), MatrixBase::setIdentity()
*/
template<typename MatrixType>
struct Scalar<Identity<MatrixType> >
{ typedef typename Scalar<MatrixType>::Type Type; };
struct ei_traits<Identity<MatrixType> >
{
typedef typename MatrixType::Scalar Scalar;
enum {
RowsAtCompileTime = MatrixType::RowsAtCompileTime,
ColsAtCompileTime = MatrixType::ColsAtCompileTime,
MaxRowsAtCompileTime = MatrixType::MaxRowsAtCompileTime,
MaxColsAtCompileTime = MatrixType::MaxColsAtCompileTime
};
};
template<typename MatrixType> class Identity : NoOperatorEquals,
public MatrixBase<Identity<MatrixType> >
{
public:
typedef typename Scalar<MatrixType>::Type Scalar;
friend class MatrixBase<Identity>;
friend class MatrixBase<Identity>::Traits;
typedef MatrixBase<Identity> Base;
EIGEN_BASIC_PUBLIC_INTERFACE(Identity)
Identity(int rows, int cols) : m_rows(rows), m_cols(cols)
{
@@ -53,12 +59,6 @@ template<typename MatrixType> class Identity : NoOperatorEquals,
}
private:
enum {
RowsAtCompileTime = MatrixType::Traits::RowsAtCompileTime,
ColsAtCompileTime = MatrixType::Traits::ColsAtCompileTime,
MaxRowsAtCompileTime = MatrixType::Traits::MaxRowsAtCompileTime,
MaxColsAtCompileTime = MatrixType::Traits::MaxColsAtCompileTime
};
const Identity& _asArg() const { return *this; }
int _rows() const { return m_rows.value(); }
@@ -107,7 +107,7 @@ const Identity<Derived> MatrixBase<Derived>::identity(int rows, int cols)
template<typename Derived>
const Identity<Derived> MatrixBase<Derived>::identity()
{
return Identity<Derived>(Traits::RowsAtCompileTime, Traits::ColsAtCompileTime);
return Identity<Derived>(RowsAtCompileTime, ColsAtCompileTime);
}
/** \returns true if *this is approximately equal to the identity matrix