message: Remove double definition of one
diff: @@ -90,18 +90,6 @@ GKO_INLINE GKO_ATTRIBUTES constexpr T one()
  }
  -/**
  - * Returns the multiplicative identity for T.
  - *
  - * @return multiplicative identity for T
  - */
  -template <typename T>
  -GKO_ATTRIBUTES constexpr T one()
  -{
  - return T(1);
  -}
  -
  -
  namespace detail {
  