loncom/homework/templates/CustomResponse.problem - diff

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version 1.1, 2006/07/18 17:24:39	version 1.2.8.1, 2010/08/20 03:52:20
Line 3	Line 3
<customresponse answerdisplay="something near 90 or -90">	<customresponse answerdisplay="something near 90 or -90">
<answer type="loncapa/perl">	<answer type="loncapa/perl">
# We do not want a vector	# We do not want a vector
if ($submission=~/\,/) { return 'ANS_CNT_NOT_MATCH'; }	if ($submission=~/\,/) { return 'EXTRA_ANSWER'; }
# No units needed	# No units needed
if ($submission=~/^\d+\s+\w+$/) { return 'UNIT_NOTNEEDED'; }	if ($submission=~/^\d+\s+\w+$/) { return 'UNIT_NOTNEEDED'; }
# Need a numerical answer here	# Need a numerical answer here
if ($submission!~/^\d+$/) { return 'WANTED_NUMERIC'; }	if ($submission!~/^[\d\.\-]+$/) { return 'WANTED_NUMERIC'; }
$difference=abs(90-abs($submission));	$difference=abs(90-abs($submission));
if ($difference==0) { return 'EXACT_ANS'; }	if ($difference==0) { return 'EXACT_ANS'; }
if ($difference < 0.001) { return 'APPROX_ANS'; }	if ($difference < 0.001) { return 'APPROX_ANS'; }