[BCP] control of CLP in BCP

[Niklaus Eggenberg]

Hi there,

(Sorry in advance for mutltiple posting if any....)

I am currently trying to solve a large problem using BCP, i.e. with many 
constraints, making the LP pretty slow, especially when presolving the 
branching candidates... Is it possible, in some way, to disable the 
presolving phase and decide directly at the 
select_branching_candidates() the one to be processed next?

Moreover, I have some trouble to shut BCP's verbosity to the 
user-defined outputs only... I tried the verbosity shut-ups in 
Bcp_tm_user and Bcp_lp_user, but still, I get hudge outputs I don't know 
where... For information, the ones I'd like to get rid of messages of 
the following form
Could somebody please

Output Sample:

LP: *** Starting iteration 2 ***
Clp0006I 0  Obj -223.845 Dual inf 23.3926 (40)
Clp0006I 174  Obj -227.434 Primal inf 1.01978e+06 (6696)
...
...
...
Clp0006I 43136  Obj -224 Primal inf 271.561 (2501)
Clp0006I 43312  Obj -224 Primal inf 405.64 (2775)
Clp0014I Perturbing problem by 0.001 % of 2.58494e-21 - largest nonzero 
change 9.92363e-09 (% 2.1892e+17) - largest zero change 9.97264e-09
Clp0006I 43512  Obj -224 Primal inf 305.615 (2618)
Clp0006I 43675  Obj -224 Primal inf 317.294 (2617)
Clp0006I 43875  Obj -224 Primal inf 271.321 (2538)
Clp0006I 44075  Obj -224 Primal inf 341.942 (2707)
Clp0006I 44275  Obj -224 Primal inf 267.683 (2519)
Clp0006I 44457  Obj -224 Primal inf 330.847 (2646)
Clp0006I 44657  Obj -224 Primal inf 337.736 (2640)
...
...
...


I am not sure to understand which process outputs these messages, nor do 
I fully understand their meaning, except that the known lower bound is 
of -224 everywhere (which is what it should be though...).

Thanks for your help !!!

Nik

-- 
Niklaus Eggenberg

EPFL ENAC INTER TRANSP-OR
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