Hello Andrew,
given the following model:
var x, >=0;
minimize obj : x + 5;
end;
I export it with
glpsol -m test.mod --wlp test.lp --check
I get
\* Problem: test *\
Minimize
obj: + x
\* constant term = 5 *\
Subject To
End
Then I run
glpsol --lp test.lp
and receive the following output:
Reading problem data from 'test.lp'...
test.lp:9: missing variable name
CPLEX LP file processing error
The bug is in glpcpx.c. In parse_constraints() the token check should be
moved from the end of the loop to the start of the loop.
Best regards
Heinrich Schuchardt
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