Hello Andrew,
using glpk-4.28
./glpsol -m tsp.mod --mipgap 1000
gives
INTEGER OPTIMAL SOLUTION FOUND
./glpsol -m tsp.mod --tmlim 1
gives
TIME LIMIT EXCEEDED; SEARCH TERMINATED
./glpsol -m tsp.mod --mipgap 0.05
gives
TIME LIMIT EXCEEDED; SEARCH TERMINATED
I would rather expect a text indicating that the MIP gap was reached like
INTEGER FEASIBLE SOLUTION FOUND, GAP SMALLER THAN TOLERANCE
I propose to introduce a new return code GLP_EMIPGAP to be used when
reaching the MIP gap for glp_intopt() in glpapi08.c instead of GLP_ETMLIM.
Best regards
Xypron
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