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ADD: added other eigen lib

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This commit is contained in:
Henry Winkel
2022-12-21 16:19:04 +01:00
parent a570766dc6
commit 9e56c7f2c0
832 changed files with 36586 additions and 20006 deletions
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18
libs/eigen/Eigen/src/Eigenvalues/ComplexSchur.h
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@@ -14,6 +14,8 @@
#include "./HessenbergDecomposition.h"
#include "./InternalHeaderCheck.h"
namespace Eigen {
namespace internal {
@@ -27,7 +29,7 @@ template<typename MatrixType, bool IsComplex> struct complex_schur_reduce_to_hes
*
* \brief Performs a complex Schur decomposition of a real or complex square matrix
*
* \tparam _MatrixType the type of the matrix of which we are
* \tparam MatrixType_ the type of the matrix of which we are
* computing the Schur decomposition; this is expected to be an
* instantiation of the Matrix class template.
*
@@ -48,10 +50,10 @@ template<typename MatrixType, bool IsComplex> struct complex_schur_reduce_to_hes
*
* \sa class RealSchur, class EigenSolver, class ComplexEigenSolver
*/
template<typename _MatrixType> class ComplexSchur
template<typename MatrixType_> class ComplexSchur
{
public:
typedef _MatrixType MatrixType;
typedef MatrixType_ MatrixType;
enum {
RowsAtCompileTime = MatrixType::RowsAtCompileTime,
ColsAtCompileTime = MatrixType::ColsAtCompileTime,
@@ -60,12 +62,12 @@ template<typename _MatrixType> class ComplexSchur
MaxColsAtCompileTime = MatrixType::MaxColsAtCompileTime
};
/** \brief Scalar type for matrices of type \p _MatrixType. */
/** \brief Scalar type for matrices of type \p MatrixType_. */
typedef typename MatrixType::Scalar Scalar;
typedef typename NumTraits<Scalar>::Real RealScalar;
typedef Eigen::Index Index; ///< \deprecated since Eigen 3.3
/** \brief Complex scalar type for \p _MatrixType.
/** \brief Complex scalar type for \p MatrixType_.
*
* This is \c std::complex<Scalar> if #Scalar is real (e.g.,
* \c float or \c double) and just \c Scalar if #Scalar is
@@ -76,7 +78,7 @@ template<typename _MatrixType> class ComplexSchur
/** \brief Type for the matrices in the Schur decomposition.
*
* This is a square matrix with entries of type #ComplexScalar.
* The size is the same as the size of \p _MatrixType.
* The size is the same as the size of \p MatrixType_.
*/
typedef Matrix<ComplexScalar, RowsAtCompileTime, ColsAtCompileTime, Options, MaxRowsAtCompileTime, MaxColsAtCompileTime> ComplexMatrixType;
@@ -259,7 +261,7 @@ template<typename _MatrixType> class ComplexSchur
friend struct internal::complex_schur_reduce_to_hessenberg<MatrixType, NumTraits<Scalar>::IsComplex>;
};
/** If m_matT(i+1,i) is neglegible in floating point arithmetic
/** If m_matT(i+1,i) is negligible in floating point arithmetic
* compared to m_matT(i,i) and m_matT(j,j), then set it to zero and
* return true, else return false. */
template<typename MatrixType>
@@ -306,7 +308,7 @@ typename ComplexSchur<MatrixType>::ComplexScalar ComplexSchur<MatrixType>::compu
// In this case, det==0, and all we have to do is checking that eival2_norm!=0
if(eival1_norm > eival2_norm)
eival2 = det / eival1;
else if(eival2_norm!=RealScalar(0))
else if(!numext::is_exactly_zero(eival2_norm))
eival1 = det / eival2;
// choose the eigenvalue closest to the bottom entry of the diagonal