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make TridiagonalizationMatrixTReturnType internal and only export a public MatrixTReturnType typedef

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This commit is contained in:
Gael Guennebaud 2010-11-26 15:36:29 +01:00
parent 0d63212257
commit e06c6553e0
1 changed files with 9 additions and 11 deletions
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20
Eigen/src/Eigenvalues/Tridiagonalization.h
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@ -26,17 +26,15 @@
#ifndef EIGEN_TRIDIAGONALIZATION_H #ifndef EIGEN_TRIDIAGONALIZATION_H
#define EIGEN_TRIDIAGONALIZATION_H #define EIGEN_TRIDIAGONALIZATION_H
template<typename MatrixType> struct TridiagonalizationMatrixTReturnType;
namespace internal { namespace internal {
template<typename MatrixType> struct TridiagonalizationMatrixTReturnType;
template<typename MatrixType> template<typename MatrixType>
struct traits<TridiagonalizationMatrixTReturnType<MatrixType> > struct traits<TridiagonalizationMatrixTReturnType<MatrixType> >
{ {
typedef typename MatrixType::PlainObject ReturnType; typedef typename MatrixType::PlainObject ReturnType;
}; };
}
namespace internal {
template<typename MatrixType, typename CoeffVectorType> template<typename MatrixType, typename CoeffVectorType>
void tridiagonalization_inplace(MatrixType& matA, CoeffVectorType& hCoeffs); void tridiagonalization_inplace(MatrixType& matA, CoeffVectorType& hCoeffs);
} }
@ -95,7 +93,7 @@ template<typename _MatrixType> class Tridiagonalization
typedef Matrix<Scalar, SizeMinusOne, 1, Options & ~RowMajor, MaxSizeMinusOne, 1> CoeffVectorType; typedef Matrix<Scalar, SizeMinusOne, 1, Options & ~RowMajor, MaxSizeMinusOne, 1> CoeffVectorType;
typedef typename internal::plain_col_type<MatrixType, RealScalar>::type DiagonalType; typedef typename internal::plain_col_type<MatrixType, RealScalar>::type DiagonalType;
typedef Matrix<RealScalar, SizeMinusOne, 1, Options & ~RowMajor, MaxSizeMinusOne, 1> SubDiagonalType; typedef Matrix<RealScalar, SizeMinusOne, 1, Options & ~RowMajor, MaxSizeMinusOne, 1> SubDiagonalType;
typedef typename internal::remove_all<typename MatrixType::RealReturnType>::type MatrixTypeRealView; typedef internal::TridiagonalizationMatrixTReturnType<typename MatrixType::RealReturnType> MatrixTReturnType;
typedef typename internal::conditional<NumTraits<Scalar>::IsComplex, typedef typename internal::conditional<NumTraits<Scalar>::IsComplex,
typename Diagonal<MatrixType,0>::RealReturnType, typename Diagonal<MatrixType,0>::RealReturnType,
@ -272,10 +270,10 @@ template<typename _MatrixType> class Tridiagonalization
* \sa Tridiagonalization(const MatrixType&) for an example, * \sa Tridiagonalization(const MatrixType&) for an example,
* matrixQ(), packedMatrix(), diagonal(), subDiagonal() * matrixQ(), packedMatrix(), diagonal(), subDiagonal()
*/ */
TridiagonalizationMatrixTReturnType<MatrixTypeRealView> matrixT() const MatrixTReturnType matrixT() const
{ {
eigen_assert(m_isInitialized && "Tridiagonalization is not initialized."); eigen_assert(m_isInitialized && "Tridiagonalization is not initialized.");
return TridiagonalizationMatrixTReturnType<MatrixTypeRealView>(m_matrix.real()); return MatrixTReturnType(m_matrix.real());
} }
/** \brief Returns the diagonal of the tridiagonal matrix T in the decomposition. /** \brief Returns the diagonal of the tridiagonal matrix T in the decomposition.
@ -525,10 +523,8 @@ struct tridiagonalization_inplace_selector<MatrixType,1,IsComplex>
} }
}; };
} // end namespace internal /** \internal
* \eigenvalues_module \ingroup Eigenvalues_Module
/** \eigenvalues_module \ingroup Eigenvalues_Module
*
* *
* \brief Expression type for return value of Tridiagonalization::matrixT() * \brief Expression type for return value of Tridiagonalization::matrixT()
* *
@ -561,4 +557,6 @@ template<typename MatrixType> struct TridiagonalizationMatrixTReturnType
const typename MatrixType::Nested m_matrix; const typename MatrixType::Nested m_matrix;
}; };
} // end namespace internal
#endif // EIGEN_TRIDIAGONALIZATION_H #endif // EIGEN_TRIDIAGONALIZATION_H