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Jim
Joined: 21 Jul 2006
Posts: 24
Location: USA
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 Posted: Fri Sep 23, 2011 12:41 pm Post subject: Error in IF statement. |
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I am getting the error "The condition in an IF statement should be logical".
IF (ETA(I)<0) THEN
HEIGHT(I)=ETA(I)
HEIGHT(I)=HEIGHT(I)*HUP(1,KI)
ELSE IF (ETA(I)=0) THEN
HEIGHT(I)=ETA(I)
ELSE
HEIGHT(I)=ETA(I)
HEIGHT(I)=HEIGHT(I)*HLO(1,KI)
END IF
Any idea what is wrong here? |
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Jim
Joined: 21 Jul 2006
Posts: 24
Location: USA
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| Posted: Fri Sep 23, 2011 12:43 pm Post subject: Addendum to IF statement. |
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| I want to set ETA(I) to different values when the number is less than 0, equal to 0 and greater than 0. |
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Wilfried Linder
Joined: 14 Nov 2007
Posts: 314
Location: D�sseldorf, Germany
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| Posted: Fri Sep 23, 2011 1:13 pm Post subject: |
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To compare values, use either the traditional ".eq." or the modern "==". In your case:
| Code: | ...
else if (eta(i) == 0) then
... |
Regards - Wilfried |
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colt1954
Joined: 21 Dec 2010
Posts: 81
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| Posted: Wed Oct 12, 2011 6:31 pm Post subject: Agree |
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| Try IF (ETA(I) .EQ. 0.0) and IF(ETA(I) .LT. 0.0) etc |
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