devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Removed NestByValue dependency from Cholesky, Eigenvalues, LU and QR.

Browse Source
This commit is contained in:
Hauke Heibel
2009-12-01 10:22:54 +01:00
parent 7b3e205ebd
commit 3091be5134
7 changed files with 21 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
Eigen/src/Eigenvalues/HessenbergDecomposition.h
View File

@@ -58,10 +58,10 @@ template<typename _MatrixType> class HessenbergDecomposition
typedef Matrix<RealScalar, Size, 1> DiagonalType;
typedef Matrix<RealScalar, SizeMinusOne, 1> SubDiagonalType;
typedef typename NestByValue<Diagonal<MatrixType,0> >::RealReturnType DiagonalReturnType;
typedef typename Diagonal<MatrixType,0>::RealReturnType DiagonalReturnType;
typedef typename NestByValue<Diagonal<
NestByValue<Block<MatrixType,SizeMinusOne,SizeMinusOne> >,0 > >::RealReturnType SubDiagonalReturnType;
typedef typename Diagonal<
Block<MatrixType,SizeMinusOne,SizeMinusOne>,0 >::RealReturnType SubDiagonalReturnType;
/** This constructor initializes a HessenbergDecomposition object for
* further use with HessenbergDecomposition::compute()

13
Eigen/src/Eigenvalues/Tridiagonalization.h
View File

@@ -61,15 +61,15 @@ template<typename _MatrixType> class Tridiagonalization
typedef Matrix<RealScalar, SizeMinusOne, 1> SubDiagonalType;
typedef typename ei_meta_if<NumTraits<Scalar>::IsComplex,
typename NestByValue<Diagonal<MatrixType,0> >::RealReturnType,
typename Diagonal<MatrixType,0>::RealReturnType,
Diagonal<MatrixType,0>
>::ret DiagonalReturnType;
typedef typename ei_meta_if<NumTraits<Scalar>::IsComplex,
typename NestByValue<Diagonal<
NestByValue<Block<MatrixType,SizeMinusOne,SizeMinusOne> >,0 > >::RealReturnType,
typename Diagonal<
Block<MatrixType,SizeMinusOne,SizeMinusOne>,0 >::RealReturnType,
Diagonal<
NestByValue<Block<MatrixType,SizeMinusOne,SizeMinusOne> >,0 >
Block<MatrixType,SizeMinusOne,SizeMinusOne>,0 >
>::ret SubDiagonalReturnType;
/** This constructor initializes a Tridiagonalization object for
@@ -144,7 +144,7 @@ template<typename MatrixType>
const typename Tridiagonalization<MatrixType>::DiagonalReturnType
Tridiagonalization<MatrixType>::diagonal(void) const
{
return m_matrix.diagonal().nestByValue();
return m_matrix.diagonal();
}
/** \returns an expression of the sub-diagonal vector */
@@ -153,8 +153,7 @@ const typename Tridiagonalization<MatrixType>::SubDiagonalReturnType
Tridiagonalization<MatrixType>::subDiagonal(void) const
{
int n = m_matrix.rows();
return Block<MatrixType,SizeMinusOne,SizeMinusOne>(m_matrix, 1, 0, n-1,n-1)
.nestByValue().diagonal().nestByValue();
return Block<MatrixType,SizeMinusOne,SizeMinusOne>(m_matrix, 1, 0, n-1,n-1).diagonal();
}
/** constructs and returns the tridiagonal matrix T.