--- loncom/homework/grades.pm	2006/02/14 15:11:09	1.313
+++ loncom/homework/grades.pm	2006/02/26 00:30:17	1.316
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.313 2006/02/14 15:11:09 banghart Exp $
+# $Id: grades.pm,v 1.316 2006/02/26 00:30:17 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -40,6 +40,7 @@ use Apache::lonmsg qw(:user_normal_msg);
 use Apache::Constants qw(:common);
 use Apache::lonlocal;
 use String::Similarity;
+use POSIX qw(floor);
 
 my %oldessays=();
 my %perm=();
@@ -467,6 +468,33 @@ sub jscriptNform {
     return $jscript;
 }
 
+# Given the score (as a number [0-1] and the weight) what is the final
+# point value? This function will round to the nearest tenth, third,
+# or quarter if one of those is within the tolerance of .00001.
+sub compute_points {
+    my ($score, $weight) = @_;
+    
+    my $tolerance = .00001;
+    my $points = $score * $weight;
+
+    # Check for nearness to 1/x.
+    my $check_for_nearness = sub {
+        my ($factor) = @_;
+        my $num = ($points * $factor) + $tolerance;
+        my $floored_num = floor($num);
+        if ($num - $floored_num < 2 * $tolerance * $factor) {
+            return $floored_num / $factor;
+        }
+        return $points;
+    };
+
+    $points = $check_for_nearness->(10);
+    $points = $check_for_nearness->(3);
+    $points = $check_for_nearness->(4);
+    
+    return $points;
+}
+
 #------------------ End of general use routines --------------------
 
 #
@@ -1812,7 +1840,7 @@ KEYWORDS
 			    foreach my $file (@$files) {
 			        $file_counter ++;
 				&Apache::lonnet::allowuploaded('/adm/grades',$file);
-				$lastsubonly.='<br /><a href="'.$file.'" target="lonGRDs"><img src="'.&Apache::loncommon::icon($file).'" border=0"> '.$file.'</a>';
+				$lastsubonly.='<br /><a href="'.$file.'" target="lonGRDs"><img src="'.&Apache::loncommon::icon($file).'" border="0"> '.$file.'</a>';
 			    }
 			    $lastsubonly.='<br />';
 			}