triqs::hilbert_space::hilbert_space::operator!=
triqs::hilbert_space::hilbert_space::get_state_index
#include <triqs/hilbert_space/hilbert_space.hpp>
Synopsis
bool has_state (fock_state_t f) const
Check if a given Fock state belongs to this space
f Fock state in question
true if f belongs to the space, false otherwise