mirror of
https://github.com/gentoo-mirror/gentoo.git
synced 2026-07-31 10:58:21 -07:00
Force early evaluation of boost::multiprecision::detail::expression-s. casting boost::multiprecision::detail::expression-s into the proper type for the Eigen methods solves the issue. Signed-off-by: Nicholas Vinson <nvinson234@gmail.com> Part-of: https://github.com/gentoo/gentoo/pull/45043 Signed-off-by: Paul Zander <negril.nx+gentoo@gmail.com> Part-of: https://github.com/gentoo/gentoo/pull/44994 Signed-off-by: Sam James <sam@gentoo.org>
31 lines
1.3 KiB
Diff
31 lines
1.3 KiB
Diff
From: Nicholas Vinson <nvinson234@gmail.com>
|
|
Date: Mon, 15 Dec 2025 20:37:04 -0500
|
|
|
|
--- a/Eigen/src/Eigenvalues/ComplexSchur.h
|
|
+++ b/Eigen/src/Eigenvalues/ComplexSchur.h
|
|
@@ -277,7 +277,8 @@
|
|
using std::abs;
|
|
if ((iter == 10 || iter == 20) && iu > 1) {
|
|
// exceptional shift, taken from http://www.netlib.org/eispack/comqr.f
|
|
- return abs(numext::real(m_matT.coeff(iu,iu-1))) + abs(numext::real(m_matT.coeff(iu-1,iu-2)));
|
|
+ return ComplexSchur<MatrixType>::ComplexScalar(
|
|
+ abs(numext::real(m_matT.coeff(iu, iu - 1))) + abs(numext::real(m_matT.coeff(iu - 1, iu - 2))));
|
|
}
|
|
|
|
// compute the shift as one of the eigenvalues of t, the 2x2
|
|
--- a/unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h
|
|
+++ b/unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h
|
|
@@ -86,8 +86,8 @@
|
|
for (Index i = 0; i < rows; i++)
|
|
mx = (std::max)(mx, std::abs(m_f(Ashifted(i, i) + avgEival, static_cast<int>(s + r))));
|
|
if (r != 0)
|
|
rfactorial *= RealScalar(r);
|
|
- delta = (std::max)(delta, mx / rfactorial);
|
|
+ delta = (std::max)(delta, RealScalar(mx / rfactorial));
|
|
}
|
|
const RealScalar P_norm = P.cwiseAbs().rowwise().sum().maxCoeff();
|
|
if (mu * delta * P_norm < NumTraits<Scalar>::epsilon() * F_norm) // series converged
|
|
--
|
|
2.52.0
|
|
|