sig
type t
val calc :
Spec.Kernel.t ->
Spec.Inducing.t ->
Interfaces.Sigs.Eval.Model.co_variance_coeffs ->
Interfaces.Sigs.Eval.Co_variance_predictor.t
val calc_model :
Interfaces.Sigs.Eval.Model.t ->
Interfaces.Sigs.Eval.Co_variance_predictor.t
end