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Re: [Bug-glpk] mip gap > 0 causes return code time limit exceeded
From: |
Andrew Makhorin |
Subject: |
Re: [Bug-glpk] mip gap > 0 causes return code time limit exceeded |
Date: |
Mon, 26 Nov 2007 13:19:39 +0300 |
Thank you for your report.
>> However, as return code from lpx_intopt I get LPX_E_TMLIM (time limit
>> exceeded), which I do not really understand. It is probably caused by
>> the "ret = GLP_ETMLIM;" in glpios03.c line 1346.
There should be a specific return code in glp_intopt, however, since
it could be not recognized by lpx_integer and lpx_intopt, I decided to
temporarily set it to GLP_ETMLIM.
> Btw, LPX_K_BFTYPE, LPX_K_MIPGAP, and LPX_C_MIR haven't made it into the
> parameter list of the glpk manual yet.
Yes, because corresponding features are available only in glp_intopt.
> And GLP_MINOR_VERSION haven't got increased in glpk.h last time.
This is a bug. GLP_MINOR_VERSION should be set to 24.