anchor.diff:  ! LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   ! ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   ! (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  +! SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
   !
   
   !(*----------------------------------------------------------------------------------------------------------------------
  
positive.code: ! Define universal constants:
  ! In the case of exactly representable numbers, the definitions are useful 
  ! to ensure subprogram argument type/kind/rank matching without having to
  ! repind kind specifiers everywhere.
  module constants_module
    use iso_fortran_env, only : int64
    implicit none
  
negative.code: !     * Redistributions in binary form must reproduce the above copyright
  !       notice, this list of conditions and the following disclaimer in the
  !       documentation and/or other materials provided with the distribution.
  !     * Neither the name of Sourcery, Inc., nor the
  !       names of its contributors may be used to endorse or promote products
  !       derived from this software without specific prior written permission.
  ! 
  