$index += $pm_count - 1;
$cols[0] = trim(skip($cols[0], " ", 4 * ($pm_count - 1)));
echo $cols[0] . "\n";
}
if ($index == 1) {
$z = $cols[0];
}
if ($index == 6) {
$mu = (double) $cols[0];
$dmu = trim(substr($cols[0], strpos($cols[0], "±") + 2));
}
if ($index >= $length - 1) {
$index = 0;
$columns[] = array($z, $mu, $dmu);
} else {
++$index;
}
}
}
$columns = array();
extract_columns($columns, 'sn_data1.csv', 8);
extract_columns($columns, 'sn_data2.csv', 7);
file_put_contents('sn_raw.res', '');
file_put_contents('sn.res', '');
foreach ($columns as $column) {
$z = $column[0];
$d = 0.0002261568 * pow(10, ($column[1] + 5) / 5) / 1000000.0;
$dd = log(10) / 5 * $d * $column[2];
file_put_contents('sn_raw.res', "{$z} {$column[1]} {$column[2]}\n", FILE_APPEND);
file_put_contents('sn.res', "{$z} {$d} {$dd}\n", FILE_APPEND);
}
foreach ($labels as $i => $label) {
if (trim($label) == $column) {
$column_numbers[$n] = $i;
}
}
}
foreach ($lines as $k => $line) {
if ($k == 0) {
continue;
}
$data = explode('|', $line);
$entry = array();
foreach ($column_numbers as $j => $cn) {
$entry[$j] = trim($data[$cn]);
}
$entries[$k] = $entry;
}
return $entries;
}
$entries = extract_columns(array('redshift', 'sn_mag', 'sn_type', 'sn_qmag', 'sn_gal_uncert', 'sn_mband'));
file_put_contents('sn.res', '');
$count = 0;
foreach ($entries as $entry) {
if ($entry[0] > 0 && $entry[1] > 0 && $entry[2] == 'Ia' && $entry[3] != 'uncertain' && $entry[4] != 'uncertain' && $entry[5] != 'undef') {
++$count;
$z = $entry[0];
$d = 0.0002261568 * pow(10, ($entry[1] + 19.3 + 5) / 5) / 1000000.0;
file_put_contents('sn.res', "{$z} {$d}\n", FILE_APPEND);
}
}
echo "Entries: {$count}\n";
