Description

$onLocal allows unlimited nesting  (default)
$offLocal limits .local on the same symbol to one in control stack

Contributor: Alex

Small Model of Type : GAMS

Category : GAMS Test library

Main file : local01.gms

$title Test .local in different context $on/offlocal (LOCAL01,SEQ=430)

$onText

 $onLocal allows unlimited nesting  (default)
 $offLocal limits .local on the same symbol to one in control stack

Contributor: Alex

$offText


Set i /1*3/;
Alias (i,j,k);
Set aa(i,j)        / 1.1, 2.2, 1.3 /
    ii(i)          / #i /;
Alias (ii,jj);
Parameter xxx(i,j) / 1.1 1, 1.3 13,
                     2.2 2,
                     3.3 3, 3.2 32 /
          bb(i)    / 1 1, 2 2, 3 3 /
          f(i),   ff(i),   fDiff(i),
          g(i,j), gg(i,j), gDiff(i,j);

$macro gtest gDiff(i,j) = g(i,j) xor gg(i,j); abort$card(gDiff) gDiff,gg,g
$macro ftest fDiff(i)   = f(i)   xor ff(i);   abort$card(fDiff) fDiff,ff,f


option clear=gg; gg(i-1,j)      = xxx(j,j); display gg;
option clear=g;  g(i-1,i.local) = xxx(i,i); gtest;

option clear=gg; gg(i,j-1)      = xxx(j,j); display gg;
option clear=g;  g(i,i.local-1) = xxx(i,i); gtest;

option clear=gg; gg(aa(i,j-1))      = xxx(j,j); display gg;
option clear=g;  g(aa(i,i.local-1)) = xxx(i,i); gtest;

option clear=gg; gg(i,   j)        = xxx(j,j);   display gg;
option clear=g;  g(i,    i.local)  = xxx(i,i);   gtest;
option clear=g;  g(ii,   ii.local) = xxx(ii,ii); gtest;
option clear=g;  g(ii(i),ii.local) = xxx(ii,ii); gtest;

option clear=g; loop(i,     g(i,j)         = xxx(j,j));   gtest;
option clear=g; loop(i,     g(i,i.local)   = xxx(i,i));   gtest;
option clear=g; loop(ii,    g(ii,ii.local) = xxx(ii,ii)); gtest;
option clear=g; loop(ii(i), g(ii,ii.local) = xxx(ii,ii)); gtest;

option clear=gg; gg(i,      j)$aa(i,j) = xxx(j,j);   display gg;
option clear=g;  g(aa(i,    i.local))  = xxx(i,i);   gtest;
option clear=g;  g(aa(ii,   ii.local)) = xxx(ii,ii); gtest;
option clear=g;  g(aa(ii(i),ii.local)) = xxx(ii,ii); gtest;

option clear=gg; loop(i,     gg(aa(j,      j))  = xxx(j,j));   display gg;
option clear=g;  loop(i,     g(aa(i.local, i))  = xxx(i,i));   gtest;
option clear=g;  loop(ii,    g(aa(ii.local,ii)) = xxx(ii,ii)); gtest;
option clear=g;  loop(ii(i), g(aa(ii.local,ii)) = xxx(ii,ii)); gtest;

option clear=gg; loop(i,     loop(j,        gg(aa(j, j)) = xxx(j,j)));   display gg;
option clear=g;  loop(i,     loop(i.local,  g(aa(i,  i)) = xxx(i,i)));   gtest;
option clear=g;  loop(ii,    loop(ii.local, g(aa(ii,ii)) = xxx(ii,ii))); gtest;
option clear=g;  loop(ii(i), loop(ii.local, g(aa(ii,ii)) = xxx(ii,ii))); gtest;

option clear=gg; gg(i,      j)$aa(i,j) = xxx(j,j);   display gg;
option clear=g;  g(aa(i,    i.local))  = xxx(i,i);   gtest;
option clear=g;  g(aa(ii,   ii.local)) = xxx(ii,ii); gtest;
option clear=g;  g(aa(ii(i),ii.local)) = xxx(ii,ii); gtest;

option clear=ff; ff(j)    = sum(i,        xxx(i,i));   display ff;
option clear=f;  f(j)     = sum(j.local,  xxx(j,j));   ftest;
option clear=f;  f(jj)    = sum(jj.local, xxx(jj,jj)); ftest;
option clear=f;  f(jj(j)) = sum(jj.local, xxx(jj,jj)); ftest;

option clear=ff; ff(j)    = sum(i$aa(i,i),          xxx(i,i));   display ff;
option clear=f;  f(j)     = sum(j.local$aa(j,j),    xxx(j,j));   ftest;
option clear=f;  f(jj)    = sum(jj.local$aa(jj,jj), xxx(jj,jj)); ftest;
option clear=f;  f(jj(j)) = sum(jj.local$aa(jj,jj), xxx(jj,jj)); ftest;

option clear=ff; ff(j)          = sum(aa(i,i),         xxx(i,i));   display ff;
option clear=f;  f(j)           = sum(aa(j.local,j),   xxx(j,j));   ftest;
option clear=f;  f(jj)          = sum(aa(jj.local,jj), xxx(jj,jj)); ftest;
option clear=f;  f(jj(j))       = sum(aa(jj.local,jj), xxx(jj,jj)); ftest;
option clear=f;  f(j.local)     = sum(aa(j.local,j),   xxx(j,j));   ftest;
option clear=f;  f(jj.local)    = sum(aa(jj.local,jj), xxx(jj,jj)); ftest;
option clear=f;  f(jj.local(j)) = sum(aa(jj.local,jj), xxx(jj,jj)); ftest;

option clear=ff; ff(j)    = sum(aa(i,k),               xxx(k,k));   display ff;
option clear=f;  f(j)     = sum(aa(j.local,j.local),   xxx(j,j));   ftest;
option clear=f;  f(jj)    = sum(aa(jj.local,jj.local), xxx(jj,jj)); ftest;
option clear=f;  f(jj(j)) = sum(aa(jj.local,jj.local), xxx(jj,jj)); ftest;
option clear=f;  f(j)     = sum((k,j.local)$aa(k,j),   xxx(j,j));   ftest;
option clear=f;  f(jj)    = sum((k,jj.local)$aa(k,jj), xxx(jj,jj)); ftest;
option clear=f;  f(jj(j)) = sum((k,jj.local)$aa(k,jj), xxx(jj,jj)); ftest;

option clear=ff; ff(j)    = sum((i,       k)$aa(k,k),          xxx(k,k));   display ff;
option clear=f;  f(j)     = sum((j.local, j.local)$aa(j,j),    xxx(j,j));   ftest;
option clear=f;  f(jj)    = sum((jj.local,jj.local)$aa(jj,jj), xxx(jj,jj)); ftest;
option clear=f;  f(jj(j)) = sum((jj.local,jj.local)$aa(jj,jj), xxx(jj,jj)); ftest;

option clear=ff; ff(j)    = sum(aa(i,       k),        xxx(k,k));   display ff;
option clear=f;  f(j)     = sum(aa(j.local, j.local),  xxx(j,j));   ftest;
option clear=f;  f(jj)    = sum(aa(jj.local,jj.local), xxx(jj,jj)); ftest;
option clear=f;  f(jj(j)) = sum(aa(jj.local,jj.local), xxx(jj,jj)); ftest;

abort.noerror 'leave before we have bad code';
$if not errorfree $abort this should never happen
gg(i,j) = xxx(i.local,j);
$if errorfree $abort missing error message
$clearErrors

$offLocal
f(j.local)  = sum(aa(j.local,j), xxx(j,j));
$if errorfree $abort should have reported local nesting
$clearErrors