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Based on GAMS command line parameters |
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One can use a $If or $Ifi with or without the not modifier to test the characteristics of the GAMS command line parameter appearing on the GAMS call or in the GAMS parameters box in the upper right corner of the IDE. Such items can be addressed as attributes of the keyword GAMS as follows
%Gams.commandlineparametername%
The parameter names are all listed in the Command Line Parameters chapter. Example: When I include the statements
$If NOT '%gams.lp%' == '' $set lp %gams.lp% $If NOT '%gams.rmip%' == '' $set rmip %gams.rmip% $If NOT '%gams.mip%' == '' $set mip %gams.mip% $If NOT '%gams.nlp%' == '' $set nlp %gams.nlp% $If NOT '%gams.dnlp%' == '' $set dnlp %gams.dnlp% $If NOT '%gams.cns%' == '' $set cns %gams.cns% $If NOT '%gams.mcp%' == '' $set mcp %gams.mcp% $If NOT '%gams.rminlp%' == '' $set rminlp %gams.rminlp% $If NOT '%gams.minlp%' == '' $set minlp %gams.minlp% $If NOT '%gams.lp%' == '' display 'lp command argument used %gams.lp%'; $If NOT '%gams.rmip%' == '' display 'rmip command argument used %gams.rmip%'; $If NOT '%gams.mip%' == '' display 'mip command argument used %gams.mip%'; $If NOT '%gams.nlp%' == '' display 'nlp command argument used %gams.nlp%'; $If NOT '%gams.dnlp%' == '' display 'dnlp command argument used %gams.dnlp%'; $If NOT '%gams.cns%' == '' display 'cns command argument used %gams.cns%'; $If NOT '%gams.mcp%' == '' display 'mcp command argument used %gams.mcp%'; $If NOT '%gams.rminlp%'=='' display 'rminlp command argument used %gams.rminlp%'; $If NOT '%gams.minlp%'== '' display 'minlp command argument used %gams.minlp%'; $If NOT '%gams.ps%' == '' display 'Page size command argument used %gams.ps%'; $If NOT '%gams.pw%' == '' display 'Page width command argument used %gams.pw%'; $show
and use the GAMS command line parameters
lp=bdmlp mip=osl nlp=conopt ps=60 pw=85
the resultant code in the compiler after resolving the above statements that is passed on to execution along with the report on the control variables becomes
3 option lp=cplex; 13 display 'lp command line argument used bdmlp'; 15 display 'mip command line argument used osl'; 16 display 'nlp command line argument used conopt'; 22 display 'Page size command line argument used 60'; 23 display 'Page width command line argument used 85';
---- Begin of Environment Report LEVEL TYPE LINE FILE NAME ---------------------------------- 0 INPUT 23 C:\GAMS\GAMSPDF\GAMSPARM.GMS
LEVEL SETVAL TYPE NUM TEXT ---------------------------------------------------------- 0 lp SCOPED 1 bdmlp 0 mip SCOPED 1 osl 0 nlp SCOPED 1 conopt ---- End of Environment Report Notes:
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