disentanglement_settings.hpp

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#pragma once
 
/**
 * DisentanglementSettings — the damping, the tolerance and the budget of the
 * subspace iteration (SubspaceDisentangler).
 */
 
#include "layer_0_core/types/init.hpp"
 
namespace q3 {
 
struct [[nodiscard]] DisentanglementSettings {
    /// Mixing of Z between iterations; 1 is undamped and oscillates on metals.
    Real damping = 0.5;
    /// Relative, because an absolute spread threshold does not transfer between systems.
    Real convergence_tolerance = 1.0e-10;
    int maximum_iterations = 4000;
    /// Iterations the relative change must stay below the tolerance for.
    int convergence_window = 5;
};
 
} // namespace q3