Description

We need to make sure we get correct marginal signs with XPRESS
in all cases (e.g. when we use the barrier code with and without
crossover).  The conventions used have changed with different XPRESS
releases so we need a thorough check.

   - LP  (lp02)
   - QCP (qcp01)

Contributor: Steve Dirkse, Nov 2004

Small Model of Type : GAMS

Category : GAMS Test library

Main file : xpress02.gms

$TITLE 'XPRESS test suite - check levels and marginals' (XPRESS02,SEQ=288)
$ondollar

$ontext

We need to make sure we get correct marginal signs with XPRESS
in all cases (e.g. when we use the barrier code with and without
crossover).  The conventions used have changed with different XPRESS
releases so we need a thorough check.

   - LP  (lp02)
   - QCP (qcp01)

Contributor: Steve Dirkse, Nov 2004
$OFFTEXT


$if not exist lp02.gms  $call testlib -q lp02
$if not exist qcp01.gms $call testlib -q qcp01

* defaultalg 2 -> dual simplex
* defaultalg 3 -> primal simplex
* defaultalg 4 -> barrier

$echo defaultalg 2  > xpress.902
$echo defaultalg 3  > xpress.903
$echo defaultalg 4  > xpress.904
$echo crossover  1 >> xpress.904
$echo defaultalg 4  > xpress.905
$echo crossover  0 >> xpress.905


* LP TEST
$call gams lp02 lp=xpress          optfile 902 lo=%GAMS.lo%
$if errorlevel 1 $abort 'lp02 with optfile 902 failed'
$call gams lp02 lp=xpress          optfile 903 lo=%GAMS.lo%
$if errorlevel 1 $abort 'lp02 with optfile 903 failed'
$call gams lp02 lp=xpress          optfile 904 lo=%GAMS.lo%
$if errorlevel 1 $abort 'lp02 with optfile 904 failed'
$call gams lp02 lp=xpress          optfile 905  --testtol=1e-5 lo=%GAMS.lo%
$if errorlevel 1 $abort 'lp02 with optfile 905 failed'


* QCP TEST
* $call gams qcp01 qcp=xpress         optfile 904 lo=%GAMS.lo%
* $if errorlevel 1 $abort 'qcp01 with optfile 904 failed'
$call gams qcp01 qcp=xpress         optfile 905  --testtol=5e-4 lo=%GAMS.lo%
$if errorlevel 1 $abort 'qcp01 with optfile 905 failed'