?? entry_2.f90
字號:
! Test alternate entry points for functions when the result types! of all entry points match character*(*) function f1 (str, i, j) character str*(*), e1*(*), e2*(*) integer i, j f1 = str (i:j) return entry e1 (str, i, j) i = i + 1 entry e2 (str, i, j) j = j - 1 e2 = str (i:j) end function character*5 function f3 () character e3*(*), e4*(*) integer i f3 = 'ABCDE' return entry e3 (i) entry e4 (i) if (i .gt. 0) then e3 = 'abcde' else e4 = 'UVWXY' endif end function program entrytest character f1*16, e1*16, e2*16, str*16, ret*16 character f3*5, e3*5, e4*5 integer i, j str = 'ABCDEFGHIJ' i = 2 j = 6 ret = f1 (str, i, j) if ((i .ne. 2) .or. (j .ne. 6)) call abort () if (ret .ne. 'BCDEF') call abort () ret = e1 (str, i, j) if ((i .ne. 3) .or. (j .ne. 5)) call abort () if (ret .ne. 'CDE') call abort () ret = e2 (str, i, j) if ((i .ne. 3) .or. (j .ne. 4)) call abort () if (ret .ne. 'CD') call abort () if (f3 () .ne. 'ABCDE') call abort () if (e3 (1) .ne. 'abcde') call abort () if (e4 (1) .ne. 'abcde') call abort () if (e3 (0) .ne. 'UVWXY') call abort () if (e4 (0) .ne. 'UVWXY') call abort () end program
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