Efficient Implementation of Modern Entropy Stable and Kinetic Energy Preserving Discontinuous Galerkin Methods for Conservation Laws - Ranocha, Hendrik; Schlottke-Lakemper, Michael; Chan, Jesse; Rueda-Ramirez, Andres M; Hindenlang, Florian; Gassner, Gregor J (Acm Transactions On Mathematical Software, 2023)