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Annotation of loncom/homework/templates/CustomResponse.problem, revision 1.2.8.1

1.1       www         1: <problem>
                      2: <startouttext />Accept an answer of around 90 or -90<endouttext />
                      3:   <customresponse answerdisplay="something near 90 or -90">
                      4:     <answer type="loncapa/perl">
                      5: # We do not want a vector
1.2       albertel    6: if ($submission=~/\,/) { return 'EXTRA_ANSWER'; }
1.1       www         7: # No units needed
                      8: if ($submission=~/^\d+\s+\w+$/) { return 'UNIT_NOTNEEDED'; }
                      9: # Need a numerical answer here
1.2.8.1 ! raeburn    10: if ($submission!~/^[\d\.\-]+$/) { return 'WANTED_NUMERIC'; }
1.1       www        11: $difference=abs(90-abs($submission));
                     12: if ($difference==0) { return 'EXACT_ANS'; }
                     13: if ($difference < 0.001) { return 'APPROX_ANS'; }
                     14: return 'INCORRECT';
                     15:     </answer>
                     16:     <textline />
                     17:   </customresponse>
                     18: </problem>
                     19: