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Programming > Fortran > Re: Avoided "se...
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Re: Avoided "set but never used" warnings for dummy variable reads

by John <gh14tq5@[EMAIL PROTECTED] > May 2, 2008 at 11:15 AM

glen herrmannsfeldt wrote:
> Bil Kleb wrote:
> 
>> I'm looking for tips on how to quiet "set but never used"
>> warnings so that I can turn on -Werror (so any warnings
>> produce compilation failures).
> 
>> I quite often encounter the idiom,
> 
>>   integer :: nblocks_dum  ! position holder for read
> 
>>   read(8) nblocks_dum, other, useful, data
> 
> My first try would be to use an array, possibly dimensioned (1).
> 
> Keeping track of "set but never used" for individual array
> elements might be hard enough that the compiler doesn't
> even try.  Otherwise,
> 
>       numblocks_dum=num_blocks_dum+0
> 
> might be enough to satisfy it.
> 
> -- glen
> 


This is one of those little things that drives me crazy too.  I use the 
above idea without the "+0" and a small comment

     numblocks_dum=num_blocks_dum !suppress compiler warning

John
 




 16 Posts in Topic:
Avoided "set but never used" warnings for dummy variable reads
Bil Kleb <Bil.Kleb@[EM  2008-05-01 16:29:55 
Re: Avoided "set but never used" warnings for dummy variable rea
Jan Gerrit Kootstra <j  2008-05-01 22:36:52 
Re: Avoided "set but never used" warnings for dummy variable rea
Bil Kleb <Bil.Kleb@[EM  2008-05-01 20:34:04 
Re: Avoided "set but never used" warnings for dummy variable rea
nospam@[EMAIL PROTECTED]   2008-05-01 13:48:19 
Re: Avoided "set but never used" warnings for dummy variable rea
Bil Kleb <Bil.Kleb@[EM  2008-05-01 20:41:58 
Re: Avoided "set but never used" warnings for dummy variable rea
glen herrmannsfeldt <g  2008-05-01 13:31:25 
Re: Avoided "set but never used" warnings for dummy variable rea
Bil Kleb <Bil.Kleb@[EM  2008-05-01 20:38:52 
Re: Avoided "set but never used" warnings for dummy variable rea
John <gh14tq5@[EMAIL P  2008-05-02 11:15:03 
Re: Avoided "set but never used" warnings for dummy variable rea
Dick Hendrickson <dick  2008-05-02 16:24:44 
Re: Avoided "set but never used" warnings for dummy variable rea
Dan Nagle <dannagle@[E  2008-05-01 22:57:56 
Re: Avoided "set but never used" warnings for dummy variable rea
glen herrmannsfeldt <g  2008-05-01 15:54:56 
Re: Avoided "set but never used" warnings for dummy variable rea
Bil Kleb <Bil.Kleb@[EM  2008-05-01 20:56:01 
Re: Avoided "set but never used" warnings for dummy variable rea
nospam@[EMAIL PROTECTED]   2008-05-01 18:11:33 
Re: Avoided "set but never used" warnings for dummy variable rea
Gordon Sande <g.sande@  2008-05-02 13:02:08 
Re: Avoided "set but never used" warnings for dummy variable rea
David Flower <DavJFlow  2008-05-03 03:49:34 
Re: Avoided "set but never used" warnings for dummy variable rea
Bil Kleb <Bil.Kleb@[EM  2008-05-03 07:07:49 

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tan12V112 Sat Oct 11 12:58:27 CDT 2008.