diff --git a/src/determinist/evaluator.hpp b/src/determinist/evaluator.hpp index d31abdd03ae68d02ec651660e4d0383a81ffd599..800c128472ef5b6a513b000a357f1b24ea50035b 100644 --- a/src/determinist/evaluator.hpp +++ b/src/determinist/evaluator.hpp @@ -1,6 +1,7 @@ #ifndef EVALHYD_DETERMINIST_EVALUATOR_HPP #define EVALHYD_DETERMINIST_EVALUATOR_HPP +#include <xtensor/xexpression.hpp> #include <xtensor/xtensor.hpp> namespace evalhyd @@ -19,7 +20,11 @@ namespace evalhyd public: // constructor method - Evaluator(const A& obs, const A& prd) : q_obs{obs}, q_prd{prd} { + Evaluator(const xt::xexpression<A>& obs, + const xt::xexpression<A>& prd) : + q_obs{obs.derived_cast()}, + q_prd{prd.derived_cast()} + { // check that data dimensions are compatible if (q_prd.dimension() != q_obs.dimension()) {