Re: [Help-glpk] Variable Assigned to itself

2014-09-14 Thread Michael Hennebry

On Fri, 12 Sep 2014, Nigel Galloway wrote:


I think you will find that this error is being reported by Codan, a
truncation of Code Analysis I presume. This is an Eclipse Tool and not
part of the compiler tool chain. I think you'll find a separate output
window in Eclipse with the output from the compiler in it. There should
be no error as t=t is not illegal in C or C++, and I would expect GLPK
to have compiled correctly.


t=t is valid C, but that does not make it a good idea.

The statement is either as intended or not.
The statement is either a nullity or doing something subtle.

In any case, the code should be changed.
If nothing else,
the code should have documentation to inform its next reader.


On Wed, Sep 10, 2014, at 04:48 PM, Norman Jessup wrote:

I'm trying to compile the glpk source using the Eclipse IDE (I'm not
terribly familiar with either).  One module, glpini01.c, is generating
multiple errors of the form:

 "Assignment to istelf 't = t' "


--
Michael   henne...@web.cs.ndsu.nodak.edu
"SCSI is NOT magic. There are *fundamental technical
reasons* why it is necessary to sacrifice a young
goat to your SCSI chain now and then."   --   John Woods

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Re: [Help-glpk] Variable Assigned to itself

2014-09-12 Thread Nigel Galloway
I think you will find that this error is being reported by Codan, a
truncation of Code Analysis I presume. This is an Eclipse Tool and not
part of the compiler tool chain. I think you'll find a separate output
window in Eclipse with the output from the compiler in it. There should
be no error as t=t is not illegal in C or C++, and I would expect GLPK
to have compiled correctly.  

-- 
  Nigel Galloway
  nigel_gallo...@operamail.com

On Wed, Sep 10, 2014, at 04:48 PM, Norman Jessup wrote:
> Hello,
> 
> I'm trying to compile the glpk source using the Eclipse IDE (I'm not 
> terribly familiar with either).  One module, glpini01.c, is generating 
> multiple errors of the form:
> 
>  "Assignment to istelf 't = t' "
> 
> On looking at the code this does seem to be the case.  I'm not sure if 
> this is allowed by the C++ standard or not, and there is an option I can 
> set to ignore this "error".  However, as the starting value of t is 
> established just a few lines before the "error" it seems it would be 
> very straightforward to modify this so that no compiler or pre-compiler 
> complains.  Is there any reason why this can't be done ?   I'd be happy 
> to submit proposed changes, though given these are trivial it may be 
> easier for the guardians of the code to change themselves rather than 
> vet my updates.
> 
> Thank you
> 
> -- 
> Norman Jessup
> 
> +61 2 9876 2703
> +61 4 1768 3515
> 
> 
> ___
> Help-glpk mailing list
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> https://lists.gnu.org/mailman/listinfo/help-glpk

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Re: [Help-glpk] Variable Assigned to itself

2014-09-11 Thread Michael Hennebry

On Thu, 11 Sep 2014, Norman Jessup wrote:

I'm trying to compile the glpk source using the Eclipse IDE (I'm not terribly 
familiar with either).  One module, glpini01.c, is generating multiple errors 
of the form:


   "Assignment to istelf 't = t' "

On looking at the code this does seem to be the case.  I'm not sure if this 
is allowed by the C++ standard or not, and there is an option I can set to 
ignore this "error".  However, as the starting value of t is established just 
a few lines before the "error" it seems it would be very straightforward to 
modify this so that no compiler or pre-compiler complains.  Is there any 
reason why this can't be done ?   I'd be happy to submit proposed changes,


Make sure you understand the error first.
Use -save-temps and look at the .ii file.

though given these are trivial it may be easier for the guardians of the code 
to change themselves rather than vet my updates.


--
Michael   henne...@web.cs.ndsu.nodak.edu
"SCSI is NOT magic. There are *fundamental technical
reasons* why it is necessary to sacrifice a young
goat to your SCSI chain now and then."   --   John Woods

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[Help-glpk] Variable Assigned to itself

2014-09-10 Thread Norman Jessup

Hello,

I'm trying to compile the glpk source using the Eclipse IDE (I'm not 
terribly familiar with either).  One module, glpini01.c, is generating 
multiple errors of the form:


"Assignment to istelf 't = t' "

On looking at the code this does seem to be the case.  I'm not sure if 
this is allowed by the C++ standard or not, and there is an option I can 
set to ignore this "error".  However, as the starting value of t is 
established just a few lines before the "error" it seems it would be 
very straightforward to modify this so that no compiler or pre-compiler 
complains.  Is there any reason why this can't be done ?   I'd be happy 
to submit proposed changes, though given these are trivial it may be 
easier for the guardians of the code to change themselves rather than 
vet my updates.


Thank you

--
Norman Jessup

+61 2 9876 2703
+61 4 1768 3515


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