regularization.hpp File Reference

#include <expected>
#include <span>
#include <vector>
#include "serif/solver/preconditioner/failure.hpp"
#include "serif/solver/preconditioner/strategies/inverse/diagonal_regularization.hpp"

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Classes
struct	serif::solver::preconditioner::backend::mfem::RegularizedDiagonal
	Own a regularized signed diagonal separately from its reciprocal action. More...

Namespaces
namespace	serif
namespace	serif::solver
namespace	serif::solver::preconditioner
namespace	serif::solver::preconditioner::backend
namespace	serif::solver::preconditioner::backend::mfem

Functions
std::expected< RegularizedDiagonal, Failure >	serif::solver::preconditioner::backend::mfem::try_regularize_diagonal (std::span< const double > diagonal, strategies::inverse::DiagonalRegularization options={})
	Floor small magnitudes relative to the largest original entry; exact zeros receive a positive floor.