! fpp -DX fpp.F95 ! F -DX fpp.F95 ! F fpp.F95 program p #if defined(X) print *, 1.1 #else print *, 2.2 #endif #define FF 5 print *, FF.FF #if FF!=5 print *, "YES" #else print *, "NO" #endif #if .TRUE. .EQV. .TRUE. print *, "eqv" #endif #if .NOT. (.TRUE. .NEQV. .TRUE.) print *, "neqv" #endif end program p