wip

[appendix-a6.git] / parse

diff --git a/parse b/parse
index 9e1f6b4ac3b933309912fff31f9e7c70be10623b..8828deec85ee3542e80421a56ce13d2a3a034a6e 100755 (executable)
--- a/parse
+++ b/parse
@@ -12,6 +12,7 @@ our @choices;
 our %choices;
 our @invotes;
 our $defcho;
+our $quorum = 0;
 
 sub addchoice {
     my $choname = shift @_;
@@ -34,6 +35,8 @@ while (<>) {
        }
     } elsif (m/^V:\s+(\S+)\s+(\S.*)/) {
        push @invotes, [ $1, $2 ];
+    } elsif (m/^quorum = ([0-9.]+)$/) {
+       $quorum = $1+0.0;
     } else {
        die "invalid input";
     }
@@ -67,17 +70,18 @@ foreach my $iv (@invotes) {
            foreach my $ib ($ia+1..$#vs) {
                my $va = $vs[$ia];
                my $vb = $vs[$ib];
-               if ($va < $vb) { $vab[$ia][$ib]++; }
-               elsif ($vb < $va) { $vab[$ib][$ia]++; }
-               p $va; p $vb;
+               if ($va < $vb) { push @{ $vab[$ia][$ib] }, $voter }
+               elsif ($vb < $va) { push @{ $vab[$ib][$ia] }, $voter }
            }
        }
     };
     die "voter $voter $@" if $@;
 }
 
-foreach my $iy (-2..$#choices) {
-    foreach my $ix (-2..$#choices) {
+our @ch = map { $choices{$_} } @choices;
+
+foreach my $iy (-2..$#ch) {
+    foreach my $ix (-2..$#ch) {
        if ($iy==-1) {
            if ($ix==-1) {
                printf "+" or die;
@@ -94,9 +98,9 @@ foreach my $iy (-2..$#choices) {
            printf "%5s ", $choices[$iy] or die $!;
        } else {
            my $v = \( $vab[$iy][$ix] );
-           $$v += 0;
-           if ($$v) {
-               printf "%5d ", $$v or die $!;
+           $$v ||= [ ];
+           if (@$$v) {
+               printf "%5d ", (scalar @$$v) or die $!;
            } else {
                printf "%5s ", "" or die $!;
            }
@@ -105,5 +109,35 @@ foreach my $iy (-2..$#choices) {
     printf "\n" or die $!;
 }
 
+sub drop ($$) {
+    my ($i,$why) = @_;
+    print "dropping $choices[$i]: $why\n";
+    $ch[$i]{Dropped} = $why;
+}
+
+print "# quorum\n" or die;
+
+foreach my $i (0..$#choices) {
+    next if $ch[$i]{Dropped};
+    next if $i == $defi;
+    my $v = $vab[$i][$defi];
+    next if $v >= $quorum;
+    drop $i, "quorum ($v < $quorum)";
+}
+
+print "# maj. ratio\n" or die;
+
+foreach my $i (0..$#choices) {
+    next if $ch[$i]{Dropped};
+    next if $i == $defi;
+    my $majr = $ch[$i]{Smaj};
+    $majr ||= [1,1];
+    my $vad = scalar @{ $vab[$i][$defi] };
+    my $vda = scalar @{ $vab[$defi][$i] };
+    next if $vad * $majr->[1] > $vda * $majr->[0];
+    drop $i, "majority ratio ($vad * $majr->[1] <= $vda * $majr->[0])";
+}
+
+
 #p %choices;
 #p @vab;