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FORTRAN and recursion: The FORTRAN language evolved from FORTRAN-I thr

FORTRAN and recursion: The FORTRAN language evolved from FORTRAN-I thr

FORTRAN and recursion: The FORTRAN language evolved from FORTRAN-I thr

(OP)
FORTRAN and recursion: The FORTRAN language evolved from FORTRAN-I through FORTRAN-90, and beyond. Why do you think the FORTRAN language did not support recursion until FORTRAN-90? In your answer, take into consideration the power of recursion, and methods of its implementation.

RE: FORTRAN and recursion: The FORTRAN language evolved from FORTRAN-I thr

Fortran-90 have implemented recursive subroutine as a standard. Below is example from Digital visual fortran 5.0.

 ! RECURS.F90
 !
   i = 0
   CALL Inc (i)
   END

   RECURSIVE SUBROUTINE Inc (i)
   i = i + 1
   CALL Out (i)
   IF (i.LT.20) CALL Inc (i) ! This also works in OUT
   END SUBROUTINE Inc

   SUBROUTINE Out (i)
   WRITE (*,*) i
   END SUBROUTINE Out

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