our $stage=0;
our $quota;
our %tie;
+our @elected;
our $DIGS = 5;
our $F = (new Math::BigRat 10)->bpow($DIGS);
die $_[0];
};
+sub total_history_cmp ();
+
sub unkopt ($$) {
my ($what,$opt) = @_;
if ($opt =~ m/^[A-Z]/) {
}
}
+my $display_cmp = \&total_history_cmp;
+my $for_compare = 0;
+
+while (@ARGV && $ARGV[0] =~ m/^\-/) {
+ $_ = shift @ARGV;
+ if (m/^--$/) {
+ last;
+ } elsif (m/^--sort=alpha$/) {
+ $display_cmp = sub { $b->{Cand} cmp $a->{Cand} };
+ } elsif (m/^--for-compare$/) {
+ $for_compare = 1;
+ unshift @ARGV, '--sort=alpha';
+ } else {
+ die;
+ }
+}
+
for (;;) {
$_ = <>;
if (m/^\| /) {
sub prf {
my $fmt = shift;
- printf "stage %d: ".$fmt, $stage, @_;
+ printf " ".$fmt, @_;
}
sub countballots () {
+ my @pr;
+
foreach my $c (values %cands) {
next if $c->{NonCont};
$c->{Total} = 0/1;
$c->{Total} += $_->{Weight} foreach @{ $c->{Votes} };
print DEBUG "counted $c->{Cand} $c->{Total}\n";
$c->{History}[$stage-1] = $c->{Total};
+ push @pr, $c;
+ }
+
+ if ($for_compare) {
+ # for comparison with OpenSTV, which always prints
+ # the quota for every elected candidate
+ push @pr, { %$_, Total => $quota } foreach @elected;
}
- foreach my $c (reverse sort total_history_cmp
- grep { !$_->{NonCont} } values %cands) {
+ foreach my $c (reverse sort $display_cmp @pr) {
prf "candidate %-10s: %s votes\n", $c->{Cand}, sv $c->{Total};
}
}
sub computequota () {
my $totalvalid = 0/1;
$totalvalid += $_->{Total} foreach values %cands;
- $quota = floor($totalvalid / (1 + $seats));
- prf "quota %s\n", sv $quota;
+ $quota = floor($totalvalid / (1 + $seats) + 1);
+ prf "total valid %s\n", sv $totalvalid;
+ prf "quota %s\n", sv $quota;
}
sub total_history_cmp () {
my ($c) = @_;
prf "*** ELECT %s \`%s' ***\n", $c->{Cand}, $c->{Desc};
$c->{NonCont} = 'Elected';
+ push @elected, $c;
}
$stage = 0;
for (;;) {
$stage++;
+ printf "stage %3d:\n", $stage;
sortballots @allvotes if $stage == 1;
- my $seats_remain = $seats
- - grep { ($_->{NonCont} // '') eq 'Elected' } values %cands;
+ my $seats_remain = $seats - @elected;
+
+ prf "seats remaining %d\n", $seats_remain;
+
+ last unless $seats_remain;
+
if (continuing() <= $seats_remain) {
foreach my $c (continuing()) {
prf "electing %s to fill remaining place(s)\n", $c->{Cand};
elect_core $c;
}
+ countballots() if $for_compare;
last;
}
next;
}
+ last if $seats_remain == 1; # don't bother doing more transfers
+
my $B = $c->{Total};
my %tspr;
die unless $tspr{"@$previously"} == $xfervalue;
} else {
$tspr{"@$previously"} = $xfervalue;
- prf "transfer value of ballots %s: %s\n",
+ prf "transfer value of ballots %20s: %s\n",
"@$previously", sv $xfervalue;
}
}
die;
}
-print "done.\n";
+print "Winners:\n";
+
+if ($for_compare) {
+ foreach my $c (sort { $a->{Cand} cmp $b->{Cand} } @elected) {
+ printf " %s\n", $c->{Cand};
+ }
+} else {
+ foreach my $i (0..$#elected) {
+ my $c = $elected[$i];
+ printf " %3d. %-10s %s\n", $i+1, $c->{Cand}, $c->{Desc};
+ }
+}
+
+print "done.\n";