Listing 1: Fortran file for first example.
C ex1.for FORTRAN file for example 1 FUNCTION FOO(X) RESULT (R) REAL X REAL :: R R = X * 2 END FUNCTION
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C ex1.for FORTRAN file for example 1 FUNCTION FOO(X) RESULT (R) REAL X REAL :: R R = X * 2 END FUNCTION
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