$TEMPLATE[tgexc.all.fixme]
Only the real version uses workspaces, but that currently doesn't work.
$TEMPLATE[tgexc.real.min_size_work.args]
N
$TEMPLATE[tgexc.real.min_size_work]
if (n <= 1)
    return 1;
else
    return 4*n + 16;
$TEMPLATE[end]
