# file name (temp): default_homework # used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run() # # #init some globals $RANDOMINIT=0; $pi=atan2(1,1)*4; sub caparesponse_check { my $answer=''; #done my $type=''; #done my $tol_type=''; # gets it's value from whether tol has a % or not done my $tol=''; #done my $sig=''; my $sig_lbound=''; my $sig_ubound=''; my $ans_fmt=''; my $units=''; my $calc=''; my ($response,$expr)=@_; ($answer,$type,$tol,$sig,$ans_fmt, $units,$calc) = eval $expr.';return $answer,$type,$tol,$sig,$ans_fmt,$units,$calc'; #type's definitons come from capaParser.h if ($type eq '' ) { if ( $answer eq ($answer *1.0)) { $type = 2; } else { $type = 3; } } else { if ($type eq 'cs') { $type = 4; } elsif ($type eq 'ci') { $type = 3; } elsif ($type eq 'mc') { $type = 5; } elsif ($type eq 'fml') { $type = 8; } elsif ($type eq 'subj') { $type = 7; } else { return "ERROR: Unknown type of answer: $type" } } if ($tol eq '') { $tol=0.0; $tol_type=1; #TOL_ABSOLUTE } else { if ($tol =~ /%$/) { chop $tol; $tol_type=2; #TOL_PERCENTAGE } else { $tol_type=1; #TOL_ABSOLUTE } } if ($sig eq '') { $sig_lbound = 0; #SIG_LB_DEFAULT $sig_ubound =15; #SIG_UB_DEFAULT } else { ($sig_lbound,$sig_ubound) = split /,/,$sig; } my $result = &caparesponse_capa_check_answer($response,$answer,$type, $tol_type,$tol, $sig_lbound,$sig_ubound, $ans_fmt,$units,$calc); if ($result == '1') { $result='EXACT_ANS'; } elsif ($result == '2') { $result='APPROX_ANS'; } elsif ($result == '3') { $result='SIG_FAIL'; } elsif ($result == '4') { $result='UNIT_FAIL'; } elsif ($result == '5') { $result='NO_UNIT'; } elsif ($result == '6') { $result='UNIT_OK'; } elsif ($result == '7') { $result='INCORRECT'; } elsif ($result == '8') { $result='UNIT_NOTNEEDED'; } elsif ($result == '9') { $result='ANS_CNT_NOT_MATCH'; } elsif ($result =='10') { $result='SUB_RECORDED'; } elsif ($result =='11') { $result='BAD_FORMULA'; } elsif ($result =='12') { $result='WANTED_NUMERIC'; } else {$result = "ERROR: Unknown Result:$result:$@:";} return "$result:
Error $error:
Answer $answer:
Response $response:
$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$units
"; } sub caparesponse_check_list { my ($response,$expr)=@_; my $result=''; my $aresult=''; my $current_answer; my $answer = eval $expr.';return $answer'; my (@list) = eval $answer; my (@responselist)=split /,/,$response; my $unit=''; $result.="Final response :$responselist['-1']:
"; if ( $responselist['-1']=~ /(.*[^\s])\s+([^\s]+)/ ) { $responselist['-1']=$1; $unit=$2; } $result.="Final response :$responselist['-1']:
"; $unit=~s/\s//; my $i=0; my $awards=''; for ($i=0; $i<@list;$i++) { $aresult=&caparesponse_check($responselist[$i]." $unit", $expr.';my $answer='.$list[$i].';'); my ($temp)=split /:/, $aresult; $awards.="$temp,"; $result.=$aresult; } chop $awards; return "$awards:
$result"; } sub tex { if ( $external::target eq "tex" ) { return @_[0]; } else { return @_[1]; } } sub web { if ( $external::target eq "tex" ) { return @_[1]; } else { if ( $external::target eq "web") { return @_[0]; } else { return @_[2]; } } } sub problem { return '1'; } sub hinton { return 0; } sub random { my ($start,$end,$step)=@_; if ( ! $RANDOMINIT ) { srand($external::randomseed); $RANDOMINIT=1; } my $num=1+int(($end-$start)/$step); my $result=$start + int(rand() * $num)*$step; return $result; } sub tan { sin($_[0]) / cos($_[0]) } sub acos { atan2(sqrt(1 - $_[0] * $_[0]), $_[0] ); } sub asin { atan2($_[0], sqrt(1- $_[0] * $_[0]) ); } sub html { if ( $external::target eq "web" ) { return @_[0]; } } sub pow {return $_[0] ** $_[1]; } sub ceil {return (($_[0]-int($_[0]))== 0.0) ? $_[0] : (int($_[0])+ 1); } sub floor {return int($_[0]); } sub format { my ($value,$fmt)=@_; return sprintf('%.'.$fmt,$value); } sub map { my $num = $#_/2; my $i; my @used; my @permutation; for ($i=0; $i < $num;) { $rand = &random(1,$num,1); if ( $used[$rand] == '0' ) { $i++; $used[$rand]='1'; $permutation[$i]=$rand; } } for ( $i=1 ; $i<$num+1 ; $i++ ) { ${$_[$permutation[$i]]}=$_[$i+$num] } } sub choose { my $num = $_[0]; return $_[$num]; } #$external::randomseed=time; #$a=2; #$b=2; #$c=2; #&map(1,\$a,\$b,\$c,3,4,5); #print $a."\n".$b."\n";