riemann → shambackends Relation

File in shammodels/gsphincludeshammodelsgsphmathriemann	Includes file in shambackends
exact.hpp	include / shambackends / math.hpp
exact.hpp	include / shambackends / sycl.hpp
iterative.hpp	include / shambackends / math.hpp
iterative.hpp	include / shambackends / sycl.hpp