identity          117 src/brusselator_algo.cpp   io.identity.interpolate(fef.surface.fun);
identity          144 src/brusselator_algo.cpp     io.identity.interpolate(fef.surface.exact);    
identity          360 src/brusselator_algo.cpp   io.identity.interpolate(fef.surface.exact);
identity          400 src/brusselator_algo.cpp   io.identity.interpolate(fef.surface.fun);
identity          321 src/brusselator_algo.h       SecOrd_op::Identity identity {};
identity           92 src/brusselator_algo_impl.cpp   bs.io.identity.interpolate(bs.fef.surface.fun);