prepare to facilitate other distribution markers

diff --git a/graph b/graph
index 0a02d3e997ee407611f6d7cf4f3c1da62f9da9be..4bc6627588fe6d5a05022a6fdbc1f124ac82be87 100755 (executable)
--- a/graph
+++ b/graph
@@ -13,9 +13,9 @@ my $lenval = 1 + int log($order[0]) / log 10;  # max string length
 my $len    = 1 + max map { length } @lines;  # left padding
 my $size   = ($width - $lenval - $len) / $order[0];  # bar multiplication
 
 my $len    = 1 + max map { length } @lines;  # left padding
 my $size   = ($width - $lenval - $len) / $order[0];  # bar multiplication
 

+sub orderpos { ($order[$_[0]] + $order[$_[0] + .5]) / 2 * $size }

 my @barmark;
 my @barmark;

-my $mean   = ($order[$#order / 2] + $order[$#order / 2 + .5]) / 2;
-$barmark[ $mean * $size ] = '+';  # mean
+$barmark[ orderpos($#order / 2) ] = '+';  # mean

 
 for my $nr (0 .. $#lines) {
        my $val = $values[$nr];
 
 for my $nr (0 .. $#lines) {
        my $val = $values[$nr];