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floating point value support
[barcat.git]
/
graph
diff --git
a/graph
b/graph
index 01f68463e0c8779f8d974b8d0dfe679673da9444..2212926772f75282959dc1284da9d333ecb77c87 100755
(executable)
--- a/
graph
+++ b/
graph
@@
-19,12
+19,12
@@
$opt{color} //= 1;
my @lines = readline or exit;
chomp for @lines;
my @lines = readline or exit;
chomp for @lines;
-my @values = map { s/^\h*
(-?[0-9]*)//
and $1 } @lines;
+my @values = map { s/^\h*
( -? [0-9]* (?:\.[0-9]+)? )//x
and $1 } @lines;
my @order = sort { $b <=> $a } @values;
my $maxval = max $order[0], -$order[-1];
my @order = sort { $b <=> $a } @values;
my $maxval = max $order[0], -$order[-1];
-my $lenval =
1 + ($order[-1] < 0) + int log($maxval || 1) / log 10; # max string length
+my $lenval =
max map { length } @order;
my $len = 1 + max map { length } @lines; # left padding
my $len = 1 + max map { length } @lines; # left padding
-my $size = ($opt{width} - $lenval - $len) / $maxval; # bar multiplication
+my $size =
$maxval &&
($opt{width} - $lenval - $len) / $maxval; # bar multiplication
sub orderpos { ($order[$_[0]] + $order[$_[0] + .5]) / 2 * $size }
my @barmark;
sub orderpos { ($order[$_[0]] + $order[$_[0] + .5]) / 2 * $size }
my @barmark;