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File: [LON-CAPA] / loncom / homework / templates / CustomResponse.problem
Revision 1.1: download - view: text, annotated - select for diffs
Tue Jul 18 17:24:39 2006 UTC (17 years, 10 months ago) by www
Branches: MAIN
CVS tags: version_2_3_X, version_2_3_2, version_2_3_1, version_2_3_0, version_2_2_X, version_2_2_99_1, version_2_2_99_0, version_2_2_2, version_2_2_1, version_2_2_0, version_2_1_99_3, version_2_1_99_2, version_2_1_99_1, HEAD

Document custom response

    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
    6: if ($submission=~/\,/) { return 'ANS_CNT_NOT_MATCH'; }
    7: # No units needed
    8: if ($submission=~/^\d+\s+\w+$/) { return 'UNIT_NOTNEEDED'; }
    9: # Need a numerical answer here
   10: if ($submission!~/^\d+$/) { return 'WANTED_NUMERIC'; }
   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:

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