Description

scaleopt must set to 0.  You cannot use the GAMS scaling in an MPSGE
model.

Small Model of Type : MPSGE

Category : GAMS Test library

Main file : mpsge10.gms

$title MPSGE scaleopt test - m.scaleopt must be 0 (MPSGE10,SEQ=108)

$ontext
scaleopt must set to 0.  You cannot use the GAMS scaling in an MPSGE
model.
$offtext

SETS
i       / i1 * i2 /,
j       / j1 * j2 /,
h       / h1 * h2 /;

parameter       d0(i,h)         Reference demands,
                e0(i,h)         Reference endowments;

d0(i,h) = uniform(0,1);
e0(i,h) = uniform(0,1);

$ontext

$model:exchange

$commodities:
        price(i,j)

$consumers:
        ra(h)


$demand:ra(h) s:1
        d:price(i,j)    q:d0(i,h)
        e:price(i,j)    q:e0(i,h)

$offtext

$sysinclude mpsgeset exchange

* exchange.scaleopt = 0; is the default
$include EXCHANGE.GEN
solve exchange using mcp;
* OK if scaleopt is 0
abort$( exchange.solvestat <> %solvestat.NormalCompletion%)            'wrong solvestat';
abort$( exchange.modelstat <> %modelstat.Optimal%)            'wrong modelstat';

maxExecerror = 1;
exchange.scaleopt = 1;
$include EXCHANGE.GEN
solve exchange using mcp;

if {(execerror > 0),
  execerror = 0;
  abort.noerror$1 "if the solve generates an error, that is OK";
};
* not OK if scaleopt is nonzero, even if  .scales are left at unity
* expect solvestat 9 ERROR SETUP FAILURE
abort$( exchange.solvestat <> %solvestat.SetupFailure%)            'wrong solvestat';
* expect modelstat 13 ERROR NO SOLUTION
abort$( exchange.modelstat <> %modelstat.ErrorNoSolution%)           'wrong modelstat';