Description

This tests the correct handling of set attributes in a sparse assignment.

Contributor: Lutz Westermann, August 2024

Small Model of Type : GAMS

Category : GAMS Test library

Main file : attrib02.gms

$title Test set attributes (ATTRIB02,SEQ=962)

$onText
This tests the correct handling of set attributes in a sparse assignment.

Contributor: Lutz Westermann, August 2024
$offText


Set n / n1*n4 /
    t / t1*t3 /
    nt(n,t);
nt(n,t) = yes$(t.ord + n.ord gt 3);

Set tempS(t), tempS1(n,t), tempS2(n,t),
    errorFirst(n,t), errorLast(n,t);

tempS(t) = t.first;
tempS1(n,t) = yes$(tempS(t) and nt(n,t));
tempS2(n,t) = yes$(t.first and nt(n,t));

errorFirst(n,t) = tempS1(n,t) xor tempS2(n,t);
abort$(card(errorFirst)) errorFirst;

tempS(t) = t.last;
tempS1(n,t) = yes$(tempS(t) and nt(n,t));
tempS2(n,t) = yes$(t.last and nt(n,t));

errorLast(n,t) = tempS1(n,t) xor tempS2(n,t);
abort$(card(errorLast)) errorLast;

Parameter tempP(t), tempP1(n,t), tempP2(n,t);
Set errorPos(n,t), errorOrd(n,t), errorOff(n,t)
    errorRev(n,t), errorUel(n,t);

tempP(t) = t.pos;
tempP1(n,t) = sum(nt(n,t), tempP(t));
tempP2(n,t) = sum(nt(n,t), t.pos   );

errorPos(n,t) = tempP1(n,t) <> tempP2(n,t);
abort$(card(errorPos)) errorPos, tempP1, tempP2;

tempP(t) = t.ord;
tempP1(n,t) = sum(nt(n,t), tempP(t));
tempP2(n,t) = sum(nt(n,t), t.ord   );

errorOrd(n,t) = tempP1(n,t) <> tempP2(n,t);
abort$(card(errorOrd)) errorOrd, tempP1, tempP2;

tempP(t) = t.off;
tempP1(n,t) = sum(nt(n,t), tempP(t));
tempP2(n,t) = sum(nt(n,t), t.off   );

errorOff(n,t) = tempP1(n,t) <> tempP2(n,t);
abort$(card(errorOff)) errorOff, tempP1, tempP2;

tempP(t) = t.rev;
tempP1(n,t) = sum(nt(n,t), tempP(t));
tempP2(n,t) = sum(nt(n,t), t.rev   );

errorRev(n,t) = tempP1(n,t) <> tempP2(n,t);
abort$(card(errorRev)) errorRev, tempP1, tempP2;

tempP(t) = t.uel;
tempP1(n,t) = sum(nt(n,t), tempP(t));
tempP2(n,t) = sum(nt(n,t), t.uel   );

errorUel(n,t) = tempP1(n,t) <> tempP2(n,t);
abort$(card(errorUel)) errorUel, tempP1, tempP2;