removed twice the entry call zero(metric) and call zero(edge_lengths) which were were redundant as the same call appeared a few lines above
removed twice the entry call zero(metric) and call zero(edge_lengths) which were were redundant as the same call appeared a few lines above
FluidityProject/multifluids,FluidityProject/multifluids,FluidityProject/multifluids,FluidityProject/multifluids