use strict;
use POSIX;
sub cf{
my($v,$p) = @_;
my $i=int $v;
$v -= $i;
if( fabs($v)>$p ){
my($a,$n,$d)=cf(1/$v,$p*(1+abs$i));
return $i,$d,$a*$d+$n
}else{
return $i,0,1;
}
}
while( <DATA> ){
chomp;
my ($i,$n,$d) = cf($_,.001);
$n+=$i*$d;
print "$_:\t$n/$d\n";
}
__DATA__
0.035
0.037
0.039
0.041
0.043
0.046
0.048
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