anchor.diff:      call test_reduce_pseudo_inverse(success)
       call test_projection_error(success)
       call test_can_reduce(success)
  +    call test_full_reduce(success)
  +    call test_compute_length(success)
   
     end subroutine curve_all_tests
   
  
positive.code: 
    end subroutine test_can_reduce
  
  end module test_curve
  
negative.code:        test_specialize_curve, test_evaluate_hodograph, test_subdivide_nodes, &
         subdivide_points_check, test_newton_refine, test_locate_point, &
         test_elevate_nodes, test_get_curvature, test_reduce_pseudo_inverse, &
         pseudo_inverse_helper, test_projection_error, test_can_reduce, &
         test_full_reduce, test_compute_length
    public curve_all_tests
  
  contains
  