Description

This example caused problems with resorting search records

Contributor: Paul van der Eijk, May-26-2004

Small Model of Type : GAMS

Category : GAMS Test library

Main file : loop2.gms

$title Resorting inside a loop with a constant in the search record (LOOP2,SEQ=134)

$onText

This example caused problems with resorting search records

Contributor: Paul van der Eijk, May-26-2004
$offText

set i /i1*i5/
    j /j1*j5/
    l /L1*L3/;

parameter ccost(i,j,l);

ccost(i,j,l) = Round(Uniform(1,20));
ccost('i1', 'j1', 'L2') = 11;
ccost('i5', 'j1', 'L2') = 13;

set mcc(i,j), mcc1(i,j);

mcc(i,j)$(ccost(i,j,'L2') > 5) = yes;

scalar paul, goon, step, mymin;

paul = 0;
step = 1;

loop(j$Sum(i$mcc(i,j),1),
     paul = paul + 1;
     goon = 1;

     display mcc,ccost;
     while(goon,
           goon = 0;
           mymin = smin(i$mcc(i,j), ccost(i,j,'L2'));
           display paul,step,mymin;
           mcc1(i,j) = no;
           loop(mcc(i,j)$(ccost(mcc,'L2') = mymin),
                goon = 1;
                ccost(mcc,'L2') = 0;
                mcc1(mcc) = yes;
                display mcc1;
                step = step + 1;
               );
           mcc(mcc1) = no;
          )
    );