# tell xerus to convert sparse tensors to dense if 1 in 4 entries are non-zero
xerus.Tensor.sparsityFactor = 4
~~~
in particular, setting the [`sparsityFactor`](\ref xerus::Tensor::sparsityFactor) to 0 will disable this feature.
in particular, setting the [sparsityFactor](\ref xerus::Tensor::sparsityFactor) to 0 will disable this feature.
~~~.cpp
// stop xerus from automatically converting sparse tensors to dense
xerus::Tensor::sparsityFactor = 0;
...
...
@@ -169,7 +175,7 @@ member functions [.use_dense_representation()](\ref xerus::Tensor::use_dense_rep
[.sparse_copy()](\ref xerus::Tensor::sparse_copy()) to obtain new tensor objects with the desired representation.
To make more informed decisions about whether a conversion might be useful the tensor objects can be queried for the number of
defined entries with [.sparsity()](\ref xerus::Tensor::sparsity()) or for the number of non-zero entries with [.count_non_zero_entries()](\ref xerus::Tensor::count_non_zero_entries()).
defined entries with [.sparsity()](\ref xerus::Tensor::sparsity()) or for the number of non-zero entries with [.count_non_zero_entries()](\ref xerus::Tensor::count_non_zero_entries()) ().