Fix doxygen and linter suggestion

        /**

         * @brief Helper function to calculate the field index based on the distance from its center and to return the values

         * @param dist Distance from the center of the field to obtain the values for, given in local coordinates

         * @param x Distance in local-coordinate x from the center of the field to obtain the values for

         * @param y Distance in local-coordinate y from the center of the field to obtain the values for

         * @param z Distance in local-coordinate z from the center of the field to obtain the values for

         * @return Value(s) of the field at the queried point

         */

        T get_field_from_grid(const double x, const double y, const double z) const noexcept;

        /**

         * @brief Fast floor-to-int implementation without overflow protection as std::floor

         * @param Double-precision floating point value

         * @param x Double-precision floating point value

         * @return Integer floored towards negative infinity

         * */

        static inline int int_floor(double x) noexcept {

            auto i = static_cast<int>(x);

            return i - (static_cast<double>(i) > x);

            return i - static_cast<int>(static_cast<double>(i) > x);

        };

        /**