triqs_dft_tools.converters.elk.ElkConverter.symlat_to_complex_harmonics

ElkConverter.symlat_to_complex_harmonics(nsym, n_shells, symlat, shells)

This calculates the Elk (crystal) symmetries in complex spherical harmonics This follows the methodology used in Elk’s rotzflm, ylmrot and ylmroty routines.