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jeremybenn |
* Date: Wed, 25 Jun 1997 12:48:26 +0200 (MET DST)
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* MIME-Version: 1.0
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* From: R.Hooft@EuroMail.com (Rob Hooft)
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* To: g77-alpha@gnu.ai.mit.edu
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* Subject: Re: testing 970624.
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* In-Reply-To: <199706251027.GAA07892@churchy.gnu.ai.mit.edu>
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* References: <199706251018.MAA21538@nu>
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* <199706251027.GAA07892@churchy.gnu.ai.mit.edu>
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* X-Mailer: VM 6.30 under Emacs 19.34.1
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* Content-Type: text/plain; charset=US-ASCII
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*
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* >>>>> "CB" == Craig Burley <burley@gnu.ai.mit.edu> writes:
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*
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* CB> but OTOH I'd like to see more problems like this on other
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* CB> applications, and especially other systems
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*
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* How about this one: An application that prints "112." on all
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* compilers/platforms I have tested, except with the new g77 on ALPHA (I
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* don't have the new g77 on any other platform here to test)?
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*
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* Application Appended. Source code courtesy of my boss.....
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* Disclaimer: I do not know the right answer, or even whether there is a
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* single right answer.....
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*
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* Regards,
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* --
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* ===== R.Hooft@EuroMail.com http://www.Sander.EMBL-Heidelberg.DE/rob/ ==
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* ==== In need of protein modeling? http://www.Sander.EMBL-Heidelberg.DE/whatif/
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* Validation of protein structures? http://biotech.EMBL-Heidelberg.DE:8400/ ====
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* == PGPid 0xFA19277D == Use Linux! Free Software Rules The World! =============
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*
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* nu[152]for% cat humor.f
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PROGRAM SUBROUTINE
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LOGICAL ELSE IF
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INTEGER REAL, GO TO PROGRAM, WHILE, THEN, END DO
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REAL FORMAT(2)
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DATA IF,REAL,END DO,WHILE,FORMAT(2),I2/2,6,7,1,112.,1/
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DO THEN=1, END DO, WHILE
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CALL = END DO - IF
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PROGRAM = THEN - IF
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ELSE IF = THEN .GT. IF
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IF (THEN.GT.REAL) THEN
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CALL FUNCTION PROGRAM (ELSE IF, GO TO PROGRAM, THEN)
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ELSE IF (ELSE IF) THEN
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REAL = THEN + END DO
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END IF
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END DO
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10 FORMAT(I2/I2) = WHILE*REAL*THEN
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IF (FORMAT(I2) .NE. FORMAT(I2+I2)) CALL ABORT
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END ! DO
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SUBROUTINE FUNCTION PROGRAM (REAL,INTEGER, LOGICAL)
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LOGICAL REAL
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REAL LOGICAL
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INTEGER INTEGER, STOP, RETURN, GO TO
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ASSIGN 9 TO STOP ! { dg-warning "ASSIGN" "" }
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ASSIGN = 9 + LOGICAL
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ASSIGN 7 TO RETURN ! { dg-warning "ASSIGN" "" }
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ASSIGN 9 TO GO TO ! { dg-warning "ASSIGN" "" }
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GO TO = 5
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STOP = 8
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IF (.NOT.REAL) GOTO STOP ! { dg-warning "Assigned GOTO" "" }
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IF (LOGICAL.GT.INTEGER) THEN
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IF = LOGICAL +5
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IF (LOGICAL.EQ.5) ASSIGN 5 TO IF ! { dg-warning "ASSIGN" "" }
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INTEGER=IF
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ELSE
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IF (ASSIGN.GT.STOP) ASSIGN 9 TO GOTO ! { dg-warning "ASSIGN" "" }
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ELSE = GO TO
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END IF = ELSE + GO TO
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IF (.NOT.REAL.AND.GOTO.GT.ELSE) GOTO RETURN ! { dg-warning "Assigned GOTO" "" }
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END IF
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5 CONTINUE
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7 LOGICAL=LOGICAL+STOP
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9 RETURN
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END ! IF
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* nu[153]for% f77 humor.f
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* nu[154]for% ./a.out
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* 112.0000
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* nu[155]for% f90 humor.f
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* nu[156]for% ./a.out
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* 112.0000
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* nu[157]for% g77 humor.f
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* nu[158]for% ./a.out
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* 40.
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