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File:  [LON-CAPA] / loncom / homework / templates / CustomResponse.problem
Revision 1.2: download - view: text, annotated - select for diffs
Fri Mar 30 20:10:09 2007 UTC (17 years, 1 month ago) by albertel
Branches: MAIN
CVS tags: version_2_9_X, version_2_9_0, version_2_8_X, version_2_8_99_1, version_2_8_99_0, version_2_8_2, version_2_8_1, version_2_8_0, version_2_7_X, version_2_7_99_1, version_2_7_99_0, version_2_7_1, version_2_7_0, version_2_6_X, version_2_6_99_1, version_2_6_99_0, version_2_6_3, version_2_6_2, version_2_6_1, version_2_6_0, version_2_5_X, version_2_5_99_1, version_2_5_99_0, version_2_5_2, version_2_5_1, version_2_5_0, version_2_4_X, version_2_4_99_0, version_2_4_2, version_2_4_1, version_2_4_0, version_2_3_99_0, bz5969, HEAD, GCI_2, GCI_1, BZ5971-printing-apage, BZ5434-fox
- correct the example to use the proper return codes

<problem>
<startouttext />Accept an answer of around 90 or -90<endouttext />
  <customresponse answerdisplay="something near 90 or -90">
    <answer type="loncapa/perl">
# We do not want a vector
if ($submission=~/\,/) { return 'EXTRA_ANSWER'; }
# No units needed
if ($submission=~/^\d+\s+\w+$/) { return 'UNIT_NOTNEEDED'; }
# Need a numerical answer here
if ($submission!~/^\d+$/) { return 'WANTED_NUMERIC'; }
$difference=abs(90-abs($submission));
if ($difference==0) { return 'EXACT_ANS'; }
if ($difference < 0.001) { return 'APPROX_ANS'; }
return 'INCORRECT';
    </answer>
    <textline />
  </customresponse>
</problem>
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