aboutsummaryrefslogtreecommitdiffhomepage
path: root/Eigen/src/Eigenvalues/EigenSolver.h
diff options
context:
space:
mode:
Diffstat (limited to 'Eigen/src/Eigenvalues/EigenSolver.h')
-rw-r--r--Eigen/src/Eigenvalues/EigenSolver.h58
1 files changed, 29 insertions, 29 deletions
diff --git a/Eigen/src/Eigenvalues/EigenSolver.h b/Eigen/src/Eigenvalues/EigenSolver.h
index 0a5faec52..5a59ccbd4 100644
--- a/Eigen/src/Eigenvalues/EigenSolver.h
+++ b/Eigen/src/Eigenvalues/EigenSolver.h
@@ -211,8 +211,8 @@ template<typename _MatrixType> class EigenSolver
*/
const MatrixType& pseudoEigenvectors() const
{
- ei_assert(m_isInitialized && "EigenSolver is not initialized.");
- ei_assert(m_eigenvectorsOk && "The eigenvectors have not been computed together with the eigenvalues.");
+ eigen_assert(m_isInitialized && "EigenSolver is not initialized.");
+ eigen_assert(m_eigenvectorsOk && "The eigenvectors have not been computed together with the eigenvalues.");
return m_eivec;
}
@@ -254,7 +254,7 @@ template<typename _MatrixType> class EigenSolver
*/
const EigenvalueType& eigenvalues() const
{
- ei_assert(m_isInitialized && "EigenSolver is not initialized.");
+ eigen_assert(m_isInitialized && "EigenSolver is not initialized.");
return m_eivalues;
}
@@ -289,7 +289,7 @@ template<typename _MatrixType> class EigenSolver
ComputationInfo info() const
{
- ei_assert(m_isInitialized && "ComplexEigenSolver is not initialized.");
+ eigen_assert(m_isInitialized && "ComplexEigenSolver is not initialized.");
return m_realSchur.info();
}
@@ -311,17 +311,17 @@ template<typename _MatrixType> class EigenSolver
template<typename MatrixType>
MatrixType EigenSolver<MatrixType>::pseudoEigenvalueMatrix() const
{
- ei_assert(m_isInitialized && "EigenSolver is not initialized.");
+ eigen_assert(m_isInitialized && "EigenSolver is not initialized.");
Index n = m_eivalues.rows();
MatrixType matD = MatrixType::Zero(n,n);
for (Index i=0; i<n; ++i)
{
- if (ei_isMuchSmallerThan(ei_imag(m_eivalues.coeff(i)), ei_real(m_eivalues.coeff(i))))
- matD.coeffRef(i,i) = ei_real(m_eivalues.coeff(i));
+ if (internal::isMuchSmallerThan(internal::imag(m_eivalues.coeff(i)), internal::real(m_eivalues.coeff(i))))
+ matD.coeffRef(i,i) = internal::real(m_eivalues.coeff(i));
else
{
- matD.template block<2,2>(i,i) << ei_real(m_eivalues.coeff(i)), ei_imag(m_eivalues.coeff(i)),
- -ei_imag(m_eivalues.coeff(i)), ei_real(m_eivalues.coeff(i));
+ matD.template block<2,2>(i,i) << internal::real(m_eivalues.coeff(i)), internal::imag(m_eivalues.coeff(i)),
+ -internal::imag(m_eivalues.coeff(i)), internal::real(m_eivalues.coeff(i));
++i;
}
}
@@ -331,13 +331,13 @@ MatrixType EigenSolver<MatrixType>::pseudoEigenvalueMatrix() const
template<typename MatrixType>
typename EigenSolver<MatrixType>::EigenvectorsType EigenSolver<MatrixType>::eigenvectors() const
{
- ei_assert(m_isInitialized && "EigenSolver is not initialized.");
- ei_assert(m_eigenvectorsOk && "The eigenvectors have not been computed together with the eigenvalues.");
+ eigen_assert(m_isInitialized && "EigenSolver is not initialized.");
+ eigen_assert(m_eigenvectorsOk && "The eigenvectors have not been computed together with the eigenvalues.");
Index n = m_eivec.cols();
EigenvectorsType matV(n,n);
for (Index j=0; j<n; ++j)
{
- if (ei_isMuchSmallerThan(ei_imag(m_eivalues.coeff(j)), ei_real(m_eivalues.coeff(j))))
+ if (internal::isMuchSmallerThan(internal::imag(m_eivalues.coeff(j)), internal::real(m_eivalues.coeff(j))))
{
// we have a real eigen value
matV.col(j) = m_eivec.col(j).template cast<ComplexScalar>();
@@ -384,7 +384,7 @@ EigenSolver<MatrixType>& EigenSolver<MatrixType>::compute(const MatrixType& matr
else
{
Scalar p = Scalar(0.5) * (m_matT.coeff(i, i) - m_matT.coeff(i+1, i+1));
- Scalar z = ei_sqrt(ei_abs(p * p + m_matT.coeff(i+1, i) * m_matT.coeff(i, i+1)));
+ Scalar z = internal::sqrt(internal::abs(p * p + m_matT.coeff(i+1, i) * m_matT.coeff(i, i+1)));
m_eivalues.coeffRef(i) = ComplexScalar(m_matT.coeff(i+1, i+1) + p, z);
m_eivalues.coeffRef(i+1) = ComplexScalar(m_matT.coeff(i+1, i+1) + p, -z);
i += 2;
@@ -407,7 +407,7 @@ template<typename Scalar>
std::complex<Scalar> cdiv(Scalar xr, Scalar xi, Scalar yr, Scalar yi)
{
Scalar r,d;
- if (ei_abs(yr) > ei_abs(yi))
+ if (internal::abs(yr) > internal::abs(yi))
{
r = yi/yr;
d = yr + r*yi;
@@ -480,14 +480,14 @@ void EigenSolver<MatrixType>::doComputeEigenvectors()
Scalar denom = (m_eivalues.coeff(i).real() - p) * (m_eivalues.coeff(i).real() - p) + m_eivalues.coeff(i).imag() * m_eivalues.coeff(i).imag();
Scalar t = (x * lastr - lastw * r) / denom;
m_matT.coeffRef(i,n) = t;
- if (ei_abs(x) > ei_abs(lastw))
+ if (internal::abs(x) > internal::abs(lastw))
m_matT.coeffRef(i+1,n) = (-r - w * t) / x;
else
m_matT.coeffRef(i+1,n) = (-lastr - y * t) / lastw;
}
// Overflow control
- Scalar t = ei_abs(m_matT.coeff(i,n));
+ Scalar t = internal::abs(m_matT.coeff(i,n));
if ((eps * t) * t > 1)
m_matT.col(n).tail(size-i) /= t;
}
@@ -499,16 +499,16 @@ void EigenSolver<MatrixType>::doComputeEigenvectors()
Index l = n-1;
// Last vector component imaginary so matrix is triangular
- if (ei_abs(m_matT.coeff(n,n-1)) > ei_abs(m_matT.coeff(n-1,n)))
+ if (internal::abs(m_matT.coeff(n,n-1)) > internal::abs(m_matT.coeff(n-1,n)))
{
m_matT.coeffRef(n-1,n-1) = q / m_matT.coeff(n,n-1);
m_matT.coeffRef(n-1,n) = -(m_matT.coeff(n,n) - p) / m_matT.coeff(n,n-1);
}
else
{
- std::complex<Scalar> cc = cdiv<Scalar>(0.0,-m_matT.coeff(n-1,n),m_matT.coeff(n-1,n-1)-p,q);
- m_matT.coeffRef(n-1,n-1) = ei_real(cc);
- m_matT.coeffRef(n-1,n) = ei_imag(cc);
+ std::complex<Scalar> cc = cdiv<Scalar>(0.0,-m_matT.coeff(n-1,n),m_matT.coeff(n-1,n-1)-p,q);
+ m_matT.coeffRef(n-1,n-1) = internal::real(cc);
+ m_matT.coeffRef(n-1,n) = internal::imag(cc);
}
m_matT.coeffRef(n,n-1) = 0.0;
m_matT.coeffRef(n,n) = 1.0;
@@ -530,8 +530,8 @@ void EigenSolver<MatrixType>::doComputeEigenvectors()
if (m_eivalues.coeff(i).imag() == 0)
{
std::complex<Scalar> cc = cdiv(-ra,-sa,w,q);
- m_matT.coeffRef(i,n-1) = ei_real(cc);
- m_matT.coeffRef(i,n) = ei_imag(cc);
+ m_matT.coeffRef(i,n-1) = internal::real(cc);
+ m_matT.coeffRef(i,n) = internal::imag(cc);
}
else
{
@@ -541,12 +541,12 @@ void EigenSolver<MatrixType>::doComputeEigenvectors()
Scalar vr = (m_eivalues.coeff(i).real() - p) * (m_eivalues.coeff(i).real() - p) + m_eivalues.coeff(i).imag() * m_eivalues.coeff(i).imag() - q * q;
Scalar vi = (m_eivalues.coeff(i).real() - p) * Scalar(2) * q;
if ((vr == 0.0) && (vi == 0.0))
- vr = eps * norm * (ei_abs(w) + ei_abs(q) + ei_abs(x) + ei_abs(y) + ei_abs(lastw));
+ vr = eps * norm * (internal::abs(w) + internal::abs(q) + internal::abs(x) + internal::abs(y) + internal::abs(lastw));
std::complex<Scalar> cc = cdiv(x*lastra-lastw*ra+q*sa,x*lastsa-lastw*sa-q*ra,vr,vi);
- m_matT.coeffRef(i,n-1) = ei_real(cc);
- m_matT.coeffRef(i,n) = ei_imag(cc);
- if (ei_abs(x) > (ei_abs(lastw) + ei_abs(q)))
+ m_matT.coeffRef(i,n-1) = internal::real(cc);
+ m_matT.coeffRef(i,n) = internal::imag(cc);
+ if (internal::abs(x) > (internal::abs(lastw) + internal::abs(q)))
{
m_matT.coeffRef(i+1,n-1) = (-ra - w * m_matT.coeff(i,n-1) + q * m_matT.coeff(i,n)) / x;
m_matT.coeffRef(i+1,n) = (-sa - w * m_matT.coeff(i,n) - q * m_matT.coeff(i,n-1)) / x;
@@ -554,13 +554,13 @@ void EigenSolver<MatrixType>::doComputeEigenvectors()
else
{
cc = cdiv(-lastra-y*m_matT.coeff(i,n-1),-lastsa-y*m_matT.coeff(i,n),lastw,q);
- m_matT.coeffRef(i+1,n-1) = ei_real(cc);
- m_matT.coeffRef(i+1,n) = ei_imag(cc);
+ m_matT.coeffRef(i+1,n-1) = internal::real(cc);
+ m_matT.coeffRef(i+1,n) = internal::imag(cc);
}
}
// Overflow control
- Scalar t = std::max(ei_abs(m_matT.coeff(i,n-1)),ei_abs(m_matT.coeff(i,n)));
+ Scalar t = std::max(internal::abs(m_matT.coeff(i,n-1)),internal::abs(m_matT.coeff(i,n)));
if ((eps * t) * t > 1)
m_matT.block(i, n-1, size-i, 2) /= t;
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-23 19:23:43 +0000