corrected minibug in alternative formulation(3) of feltorShw/feltor.cuh
corrected minibug in alternative formulation(3) of feltorShw/feltor.cuh

feltor-dev/feltor,feltor-dev/feltor,mwiesenberger/feltor,mwiesenberger/feltor,feltor-dev/feltor,feltor-dev/feltor,mwiesenberger/feltor,mwiesenberger/feltor