jacobian.h File Reference

Wrapper for handling the network Jacobian matrix in GridFire. Currently uses Eigen's SparseMatrix. More...

#include "fourdst/atomic/atomicSpecies.h"
#include "fourdst/composition/composition_abstract.h"
#include "quill/Logger.h"
#include <Eigen/SparseCore>
#include <tuple>
#include <functional>
#include <unordered_map>
#include <optional>

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Classes
class	gridfire::engine::NetworkJacobian
	A wrapper class for handling the network Jacobian matrix. More...

Namespaces
namespace	gridfire
namespace	gridfire::engine

Typedefs
using	gridfire::engine::JacobianEntry = std::pair< std::pair< fourdst::atomic::Species, fourdst::atomic::Species >, double >
	Represents an entry in the Jacobian matrix.

Functions
NetworkJacobian	gridfire::engine::regularize_jacobian (const NetworkJacobian &jacobian, const fourdst::composition::CompositionAbstract &comp, std::optional< quill::Logger * > logger=std::nullopt)
	Regularizes the given Jacobian matrix based on the provided composition.

Variables
constexpr double	gridfire::engine::MIN_ABUNDANCE_TO_CONTRIBUTE_TO_JACOBIAN = 1e-100
	Minimum abundance for a species to contribute to the Jacobian.

Detailed Description

Wrapper for handling the network Jacobian matrix in GridFire. Currently uses Eigen's SparseMatrix.