StateDiff.hpp

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#pragma once
 
#include <polyfem/State.hpp>
#include <polyfem/optimization/DiffCache.hpp>
#include <polyfem/utils/Types.hpp>
 
#include <Eigen/Core>
#include <vector>
 
namespace polyfem
{
    // Solves the adjoint PDE for derivatives and caches
    void solve_adjoint_cached(const State &state, DiffCache &diff_cache, const Eigen::MatrixXd &rhs);
 
    // Returns cached adjoint solve
    Eigen::MatrixXd get_adjoint_mat(const State &state, const DiffCache &diff_cache, int type);
 
    // Get geometric node indices for surface/volume
    void compute_surface_node_ids(const State &state, const int surface_selection, std::vector<int> &node_ids);
    void compute_total_surface_node_ids(const State &state, std::vector<int> &node_ids);
    void compute_volume_node_ids(const State &state, const int volume_selection, std::vector<int> &node_ids);
} // namespace polyfem