[Coin-discuss] mps writer problems

[yax2 at lehigh.edu]

John,

They are okay now. Thanks for fixing.

Yan


Quoting John J Forrest <jjforre at us.ibm.com>:

> Yan,
> 
> You seem to be working with an old copy of CoinMpsIO.cpp as the line 
> numbers don't match.  The second error had already been fixed.  Try again 
> and see if the other two errors are okay now.
> 
> John Forrest
> 
> 
> 
> yax2 at lehigh.edu 
> Sent by: coin-discuss-admin at www-124.southbury.usf.ibm.com
> 07/29/2004 10:41 PM
> Please respond to
> coin-discuss
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> 
> To
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> 
> Subject
> [Coin-discuss] mps writer problems
> 
> 
> 
> 
> 
> 
> Hi, 
> 
> it looks there are several minor problems with CoinMps writer:
> 
> 1. CoinMps writer does not allow a column upper bound to be greater or 
> equal to
> 1.0e+10. For example, given a upper bound 2.0e+12, the code in line 2325 
> of
> CoinMpsIO.cpp:
> 
>             outputValue[12]='\0';
> 
> will truncate 2.0e+12 to be 2.0e+1
> 
> I don't have good fix yet. But, the quick and dirty one is to comment this 
> line out.
> 
> 2.  For a binary variable,  CoinMps writer sets the upper bound as 1.0e+3, 
> which
> should be 1.0. The line 2767 of CoinMpsIO.cpp is
> 
>             value[0] = largeValue;
> 
> maybe should change to
> 
>             value[0] = upperValue;
> 
> 3. To plug memory leak,  it's better to delete rlb and rub that are 
> declared in
> line 3186, 3187, 3209, 3210 of CoinMpsIO.cpp
> 
> 
> 
> Yan 
> 
> 
> 
> 
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