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#!/usr/bin/perl6
use v6;
my $self = $*PROGRAM-NAME;
sub MAIN($file, $label, $geometry, $sites, $label2?)
{
my @m = readMatrix($file, $label);
my $mode2 = "";
my @m2;
my @m3;
if ($label2) {
if ($label2 ~~ / ".cout"$ /) {
$mode2 = "cout";
@m3 = getDensityFromCout($label2, "<gs|n|gs>");
} else {
$mode2 = "diagonal";
@m2 = readMatrix($file, $label2);
}
}
my @h = getDistancesAndPairs($geometry, $sites);
my $half = @h.elems;
for 0..^$half -> Int $distance {
my @pairs = @h[$distance].list;
my $p = @pairs.elems;
my $sum = 0;
for 0..^$p -> Int $pind {
my %onepair = @pairs[$pind];
my ($i, $j) = (%onepair{"i"}, %onepair{"j"});
#say "***$i **** $j";
#die "Testing\n" if ($distance == 2);
$sum += @m[$i][$j];
$sum -= 4*@m2[$i][$i]*@m2[$j][$j] if ($mode2 eq "diagonal");
if ($mode2 eq "cout") {
die "$self: Undefined m3 of $i\n" if (!defined(@m3[$i]));
die "$self: Undefined m3 of $j\n" if (!defined(@m3[$j]));
$sum -= @m3[$i]*@m3[$j];
}
}
$sum = abs($sum) if ($mode2);
say "$distance "~$sum/$p~" $p";
}
}
sub getDensityFromCout($file, $label)
{
my @a;
# 3 0.983119 0.000000 <gs|n|gs> 1.000000
my Int $ln = 0;
my $fh = open $file, :r;
while !$fh.eof {
++$ln;
my $line = $fh.get;
next if (/ "CmdLine" /);
next unless ($line ~~ / "$label" /);
my @temp = split(/\s/, $line);
next unless (@temp.elems == 5);
@a[@temp[0]] = @temp[1];
}
return @a;
}
sub getDistancesAndPairs($geometry, Int $sites)
{
my @hptr;
my Int $center = $sites div 2;
for 0..^$sites -> Int $i {
my $distance = geometryMetric($i, $center, $geometry);
next if ($distance <= 0);
my $imin = ($i < $center) ?? $i !! $center;
my $j = ($i < $center) ?? $center !! $i;
my $ij = {"i" => $imin, "j" => $j};
@hptr[$distance].append: $ij;
}
for 0..^$sites -> Int $i {
my $ij = {"i" => $i, "j" => $i};
@hptr[0].append: $ij;
}
return @hptr;
}
sub geometryMetric($ind, $jnd, $geometry)
{
return abs($jnd - $ind) if ($geometry eq "chain");
die "$self: Geometry $geometry not implemented\n" unless ($geometry ~~ /^"ladder"/);
my $b1 = ($ind +& 1);
my $b2 = ($jnd +& 1);
return -1 if ($b1 and !$b2);
return -1 if ($b2 and !$b1);
return abs($jnd - $ind) div 2;
}
sub readMatrix($file, $label)
{
my Int $ln = 0;
my $fh = open $file, :r;
while !$fh.eof {
++$ln;
my $line = $fh.get;
next if ($line ~~ /CmdLine/);
last if ($line ~~ / "$label" /);
}
++$ln;
$_ = $fh.get;
my @temp = split(/\s/, $_);
die "$self: Rows Cols not found, line $ln ** $_ **\n" if (@temp.elems != 2);
my $rows = @temp[0];
my $cols = @temp[1];
my $row = 0;
my @m;
while !$fh.eof {
++$ln;
my $line = $fh.get;
my @tmp = split(/\s/, $line);
pop @tmp;
die "$self: Wrong number of cols, line $ln, $cols not equal "~@tmp.elems~"\n" if ($cols != @tmp.elems);
@m[$row++] = @tmp;
last if ($row == $rows);
}
return @m;
}
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