anchor.diff:  
      USE                                             AirfoilInfo_Types
      USE                                             NWTC_FitPack
  +   USE                                          :: ISO_FORTRAN_ENV , ONLY : IOSTAT_EOR
   
      IMPLICIT NONE
   
  
positive.code: 
  
           ! This routine reads an airfoil file.
  
  
        USE                                    :: AirfoilInfo_Types
        USE                                    :: ISO_FORTRAN_ENV , ONLY : IOSTAT_EOR
        USE                                    :: NWTC_Library
  
        IMPLICIT                                  NONE
  
  
           ! Argument declarations.
  
negative.code: 
  
           ! This routine initializes AirfoilInfo by reading the airfoil files and generating the spline coefficients.
  
  
           ! Argument declarations.
  