[Coin-discuss] Osi Defaults - Mps Reader / Writer

[Alan King]

I'm leaning toward Matt's option 3 (allow user to choose  Xxx versus COIN 
mps r/w) but with the default being COIN.  That way the standard is 
imposed for normal usage, and users with specific mps Xxx issues can do 
their thing too.

Alan

Alan King
Mathematical Sciences, IBM Research
http://www.research.ibm.com/
http://www.research.ibm.com/people/k/kingaj/

University Relations: University of Washington
http://www.washington.edu
http://www.ibm.com/university




Lou Hafer <lou at cs.sfu.ca>
Sent by: coin-discuss-admin at www-124.ibm.com
05/27/2003 12:13 PM
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        Subject:        Re: [Coin-discuss] Osi Defaults - Mps Reader / 
Writer



                 I adopted option 2 for OsiDylp: it now uses CoinMpsI0 for 
both read
and write,  to take advantage of the compressed read/write capability. I
think we should specify this as the default --- it's the best match with 
the
ideal of a common solver interface. For those folks who are using the rest 
of
the COIN-OR infrastructure, but don't intend to play with multiple 
solvers,
perhaps we could treat the read and write MPS routines as handlers, and
provide a pair of interface routines that would allow the client to 
replace
them with specialised routines (something akin to passInMessageHandler).

                 Lou

 

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