Fixed a bug that was reported by James Balfour:

Numerical/Calculated questions failed to grade negative responses on questions with units.
2005-01-17 20:14:16 +00:00
parent 6babaf002d
commit efa9b7fa01
1 changed files with 1 additions and 1 deletions
@@ -163,7 +163,7 @@ class quiz_numerical_qtype extends quiz_shortanswer_qtype {
                    unset($responsenum); // Answer is not numeric
                }
            } else if (ereg(
-                    '^(([0-9]+(\\.[0-9]*)?|[.][0-9]+)([eE][-+]?[0-9]+)?)([^0-9].*)?$',
+                    '^([+-]?([0-9]+(\\.[0-9]*)?|[.][0-9]+)([eE][-+]?[0-9]+)?)([^0-9].*)?$',
                    $responsenum, $responseparts)) {
                $responsenum = (float)$responseparts[1];
                if ($responseparts[5]) {