our @choices;
our %choices;
-our @invotes;
+our @invotes_v;
+our @invotes_cc;
our $defcho;
our $quorum = 0;
$defcho = $cho;
}
} elsif (m/^V:\s+(\S+)\s+(\S.*)/) {
- push @invotes, [ $1, $2 ];
+ push @invotes_v, [ $1, $2 ];
+ } elsif (m/^(\S+)\s*\:\:\s*/) {
+ push @invotes_cc, [ $1, "$'" ];
} elsif (m/^quorum = ([0-9.]+)$/) {
$quorum = $1+0.0;
} else {
print "\nPreference matrix\n";
-foreach my $iv (@invotes) {
+foreach my $iv (@invotes_cc) {
+ $_ = uc $iv->[1];
+ foreach my $chn (m/\b\w+\b/g) {
+ $choices{$chn} or addchoice($chn, Desc => "($chn from voter ballot)");
+ }
+}
+
+foreach my $iv (@invotes_cc) {
+ my ($voter) = $iv->[0];
+ $_ = uc $iv->[1];
+
+ s/\t/ /g;
+ s/\,/ /g;
+ while (s{\(([^()]+)\)}{
+ my $x = $1; $x =~ s/[ =]+/=/g; $x;
+ }ge) { }
+ s/[ =]*=[ =*]/=/g;
+ s/\s+/ /g;
+ print "# normalised $_ ($voter)\n";
+
+ my @ranks = (1000,) x @choices;
+ my $rank = 1;
+ foreach (split /\s+/) {
+ foreach (split /=/) {
+ my $cho = $choices{$_};
+ $cho or die "unknown option $_ ($voter)";
+ my $ix = $cho->{Index};
+ $ranks[$ix] = $rank;
+ }
+ $rank++;
+ }
+ my $vstr = join '', map {
+ $_ == 1000 ? "-" :
+ $_ < 10 ? (sprintf "%d", $_) :
+ $_ < 36 ? (chr(ord('A') + $_ - 10)) : die
+ } @ranks;
+ print "V: $vstr $voter\n";
+ push @invotes_v, [ $vstr, $voter ];
+}
+
+foreach my $iv (@invotes_v) {
my ($votestr,$voter) = @$iv;
eval {
length $votestr eq @choices or die "wrong vote vector length";
next unless $vab > $vba;
my $diff = $vab - $vba;
print "defeat: $choices[$ia] beats $choices[$ib]",
- " ($vab > $vba: $diff)\n";
+ " ($vab > $vba = +$diff)\n";
$defeats->add_edge($choices[$ia],$choices[$ib]);
}
}
# A.6(7)(1)
my ($def1,$def2) = @_;
my ($ca,$cx) = @$def1;
- my ($cb,$cy) = @$def1;
+ my ($cb,$cy) = @$def2;
return 1 if chvab($ca, $cx) < chvab($cb, $cy);
return 1 if chvab($ca, $cx) == chvab($cb, $cy)
- && chvab($cx, $ca) > chvab($cy, $cb);
+ && chvab($cx, $ca) > chvab($cy, $cb);
return 0;
}
}
}
+ print "set: ", (join " ", $schwartz->vertices()), "\n";
+
print "\nDropping weakest defeats A.6(7)\n";
our @weakest = ();
last unless @weakest;
my $w = $weakest[0];
- printf "weakest defeats %d > %d\n",
+ printf "weakest defeats are %d > %d\n",
chvab($w->[0], $w->[1]),
chvab($w->[1], $w->[0]);
foreach my $weakest (@weakest) {
my ($ca,$cb) = @$weakest;
- print "weakest defeat $ca > $cb\n";
+ print "a weakest defeat is $ca > $cb\n";
$defeats->delete_edge($ca,$cb);
}
- print "defeats within the Schwartz set, round again\n";
+ print "\nDefeats within the Schwartz set, go round again\n";
}
print "no defeats within the Schwartz set\n";