--- loncom/homework/templates/CustomResponse.problem 2010/08/20 03:52:20 1.2.8.1 +++ loncom/homework/templates/CustomResponse.problem 2009/07/06 17:12:47 1.3 @@ -1,19 +1,23 @@ -Accept an answer of around 90 or -90 - + + +Accept an answer of around 90 or -90 + + + # 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\.\-]+$/) { return 'WANTED_NUMERIC'; } +if ($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'; - - + +