Use C++ headers.

[foosball] / foosball.pm

diff --git a/foosball.pm b/foosball.pm
index a2b0d55b041ab4d8f6084f523dc8d680a31c4ecc..58e468c6669ea3ac0c5dfbfbfcc1fd9a39578885 100644 (file)
--- a/foosball.pm
+++ b/foosball.pm
@@ -1,6 +1,7 @@
 use strict;
 use warnings;
 use DBI;
+use POSIX;
 
 package foosball;
 
@@ -10,8 +11,15 @@ sub db_connect {
        return $dbh;
 }
 
+sub round {
+       my $x = shift;
+       return -round(-$x) if ($x < 0.0);
+       return POSIX::floor($x + 0.5);
+}
+
 sub find_single_rating {
        my ($dbh, $username, $limit) = @_;
+       $limit = "" if (!defined($limit));
        my ($age, $rating, $rd) = $dbh->selectrow_array('SELECT EXTRACT(EPOCH FROM (CURRENT_TIMESTAMP-ratetime)), rating, rd FROM single_rating WHERE username=? '.$limit.' ORDER BY ratetime DESC LIMIT 1',
                undef, $username);
        $rd = apply_aging($rd, $age / 86400.0);
@@ -26,6 +34,7 @@ sub find_single_rating {
 
 sub find_double_rating {
        my ($dbh, $username, $limit) = @_;
+       $limit = "" if (!defined($limit));
        my ($age, $rating, $rd) = $dbh->selectrow_array('SELECT EXTRACT(EPOCH FROM (CURRENT_TIMESTAMP-ratetime)), rating, rd FROM double_rating WHERE username=? '.$limit.'ORDER BY ratetime DESC LIMIT 1',
                undef, $username);
        $rd = apply_aging($rd, $age / 86400.0);
@@ -38,14 +47,6 @@ sub find_double_rating {
        return ($rating, $rd);
 }
 
-sub combine_ratings {
-       my ($rating1, $rd1, $rating2, $rd2) = @_;
-
-       my $rating_team = 0.5 * ($rating1 + $rating2);
-       my $rd_team = sqrt($rd1 * $rd1 + $rd2 * $rd2) / sqrt(2.0);
-       return ($rating_team, $rd_team);
-}
-
 sub create_user_if_not_exists {
        my ($dbh, $username) = @_;
        my $count = $dbh->selectrow_array('SELECT count(*) FROM users WHERE username=?',