Stan Math Library
4.9.0
Automatic Differentiation
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using stan::ref_type_if< Condition, T, require_all_t< is_eigen< T >, bool_constant<!is_arena_matrix< T >::value > > >::type = std::conditional_t< Eigen::internal::traits<Eigen::Ref<std::decay_t<T_plain> >>:: template match<T_dec>::MatchAtCompileTime || !Condition, T_optionally_ref, T_plain> |
Definition at line 41 of file ref_type.hpp.