More TIMTOWTDI:
for my $foo (1..210) {
print "$foo ",dec2bin($foo)," binrounded is ",binround($foo),"\n";
}
sub binround {
my $bin = dec2bin(shift);
my $mod = 0;
$mod = 1 if (split('1','0'.$bin.'0') == 2);
return '1' . ('0' x (length($bin)-$mod));
}
sub dec2bin {
my $str = unpack("B32", pack("N", shift));
$str =~ s/^0+(?=\d)//;
return $str;
}
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