anchor.diff:  !     * 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 the Sourcery, Inc., nor the
  +!     * 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.
   ! 
  
positive.code: ! Initialize the random seed with a varying seed to ensure a different
  ! random number sequence for each invocation of subroutine, e.g. for 
  ! invocations on different images of a coarray parallel program.
  ! Setting any seed values to zero is depcretated because it can result
  ! in low-quality random number sequences.
  ! (Source: https://gcc.gnu.org/onlinedocs/gfortran/RANDOM_005fSEED.html)
  module random_module
  
negative.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
  ! repeat kind specifiers everywhere.
  module constants_module
    use iso_fortran_env, only : int64
    implicit none
  