graphlib: NOBUG previous Moodle-specific hack had a bug when y_max was very small. This would round, e.g. 10^-5 to 0 which would break the axis.

This commit is contained in:
tjhunt
2009-10-06 17:49:49 +00:00
parent bf088b3423
commit 43fd59ea14
+3 -1
View File
@@ -1156,7 +1156,9 @@ function find_range($data, $min, $max, $resolution) {
if ($max < 0) $factor = - pow(10, (floor(log10(abs($max))) + $resolution) );
else $factor = pow(10, (floor(log10(abs($max))) - $resolution) );
}
$factor = round($factor * 1000.0) / 1000.0; // To avoid some wierd rounding errors (Moodle)
if ($factor > 0.1) { // To avoid some wierd rounding errors (Moodle)
$factor = round($factor * 1000.0) / 1000.0; // To avoid some wierd rounding errors (Moodle)
} // To avoid some wierd rounding errors (Moodle)
$max = $factor * @ceil($max / $factor);
$min = $factor * @floor($min / $factor);