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Nico Castro-Folker authored
Added declarations for two functions: one that computes Q (the second invariant of grad(u,v,w)), and one that computes the R (the third invariant of grad(u,v,w)).
c8c3ca36
Added declarations for two functions: one that computes Q (the second invariant of grad(u,v,w)), and one that computes the R (the third invariant of grad(u,v,w)).