API Documentation# calculator band() band_normcons() energy() energy_normcons() crystal Crystal energy band_energy() external() hartree() kinetic() nuclear_repulsion() total_energy() xc_lda() entropy fermi_dirac() ewald ewald_coulomb_repulsion() grid cubic_mask() estimate_max_cutoff_energy() g2cell_vectors() g2r_vector_grid() g_vectors() grid_vector_radius() k_vectors() proper_grid_size() r2g_vector_grid() r_vectors() spherical_mask() translation_vectors() hamiltonian hamiltonian_matrix() hamiltonian_matrix_trace() kinetic kinetic_operator() occupation gamma() idempotent() idempotent_param_init() uniform() potential effective() external() external_reciprocal() hartree() hartree_reciprocal() xc_lda() pseudopotential normcons local dataclass utils beta interpolate spherical planewave coeff() density_grid() density_grid_reciprocal() param_init() wave_grid() wave_r()