Annotation of loncom/homework/default_homework.lcpm, revision 1.14
1.1 harris41 1: # file name (temp): default_homework
2: # used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run()
3: #
4: #
1.3 albertel 5: $RANDOMINIT=0;
6:
1.7 albertel 7: sub caparesponse_check {
1.10 albertel 8: my $answer=''; #done
9: my $type=''; #done
10: my $tol_type=''; # gets it's value from whether tol has a % or not done
11: my $tol=''; #done
1.12 albertel 12: my $sig='';
1.7 albertel 13: my $sig_lbound='';
14: my $sig_ubound='';
15: my $ans_fmt='';
1.9 albertel 16: my $units='';
1.7 albertel 17: my $calc='';
18: my ($response,$expr)=@_;
19:
1.12 albertel 20: ($answer,$type,$tol,$sig,$ans_fmt,
21: $units,$calc) = eval $expr.';return $answer,$type,$tol,$sig,$ans_fmt,$units,$calc';
1.8 albertel 22: #type's definitons come from capaParser.h
23: if ($type eq '' ) {
24: if ( $answer eq ($answer *1.0)) { $type = 2;
25: } else { $type = 3; }
26: } else {
27: if ($type eq 'cs') { $type = 4;
28: } elsif ($type eq 'ci') { $type = 3;
29: } elsif ($type eq 'mc') { $type = 5;
30: } elsif ($type eq 'fml') { $type = 8;
1.9 albertel 31: } elsif ($type eq 'subj') { $type = 7;
32: } else { return "ERROR: Unknown type of answer: $type" }
1.8 albertel 33: }
34:
1.10 albertel 35: if ($tol eq '') {
36: $tol=0.0;
37: $tol_type=1; #TOL_ABSOLUTE
38: } else {
39: if ($tol =~ /%$/) {
1.12 albertel 40: chop $tol;
1.10 albertel 41: $tol_type=2; #TOL_PERCENTAGE
42: } else {
43: $tol_type=1; #TOL_ABSOLUTE
44: }
45: }
1.12 albertel 46:
47: if ($sig eq '') {
48: $sig_lbound = 0; #SIG_LB_DEFAULT
49: $sig_ubound =15; #SIG_UB_DEFAULT
50: } else {
51: ($sig_lbound,$sig_ubound) = split /,/,$sig;
52: }
1.7 albertel 53: my $result = &caparesponse_capa_check_answer($response,$answer,$type,
1.10 albertel 54: $tol_type,$tol,
1.7 albertel 55: $sig_lbound,$sig_ubound,
1.12 albertel 56: $ans_fmt,$units,$calc);
1.9 albertel 57:
58: if ($result == '1') { $result='EXACT_ANS'; }
59: elsif ($result == '2') { $result='APPROX_ANS'; }
60: elsif ($result == '3') { $result='SIG_FAIL'; }
61: elsif ($result == '4') { $result='UNIT_FAIL'; }
62: elsif ($result == '5') { $result='NO_UNIT'; }
63: elsif ($result == '6') { $result='UNIT_OK'; }
64: elsif ($result == '7') { $result='INCORRECT'; }
65: elsif ($result == '8') { $result='UNIT_NOTNEEDED'; }
66: elsif ($result == '9') { $result='ANS_CNT_NOT_MATCH'; }
67: elsif ($result =='10') { $result='SUB_RECORDED'; }
68: elsif ($result =='11') { $result='BAD_FORMULA'; }
69: elsif ($result =='12') { $result='WANTED_NUMERIC'; }
1.13 albertel 70: else {$result = "ERROR: Unknown Result:$result:$@:";}
1.9 albertel 71:
1.14 ! albertel 72: return "$result:$error:$answer:$response:$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$units";
! 73: }
! 74:
! 75: sub caparesponse_check_list {
! 76: my ($response,$expr)=@_;
! 77: my $result='';
! 78: my $current_answer;
! 79: my $answer = eval $expr.';return $answer';
! 80: my (@list) = eval $answer;
! 81: my (@responselist)=split /,/,$response;
! 82: ($responselist['-1'],my $unit)= split /\s/, $responselist['-1'], 2;
! 83: $unit=~s/\s//;
! 84: my $i=0;
! 85: my $awards='';
! 86: for ($i=0; $i<@list;$i++) {
! 87: $result.=&caparesponse_check($responselist[$i]." $unit",
! 88: $expr.';my $answer='.$list[$i].';');
! 89: my ($temp)=split /:/, $result;
! 90: $awards.="$temp,";
! 91: }
! 92: chop $awards;
! 93: return "$awards:$result";
1.7 albertel 94: }
95:
1.4 albertel 96: sub tex {
97: if ( $external::target eq "tex" ) {
98: return @_[0];
99: } else {
100: return @_[1];
101: }
102: }
103:
104: sub web {
105: if ( $external::target eq "tex" ) {
106: return @_[1];
107: } else {
108: if ( $external::target eq "web") {
109: return @_[0];
110: } else {
111: return @_[2];
112: }
113: }
114: }
115:
116: sub problem {
1.11 albertel 117: return '1';
1.4 albertel 118: }
119:
1.1 harris41 120: sub hinton {
121: return 0;
122: }
123:
124: sub random {
125: my ($start,$end,$step)=@_;
1.3 albertel 126: if ( ! $RANDOMINIT ) { srand($external::randomseed); $RANDOMINIT=1; }
1.1 harris41 127: my $num=1+int(($end-$start)/$step);
128: my $result=$start + int(rand() * $num)*$step;
129: return $result;
130: }
131:
132: sub tan { sin($_[0]) / cos($_[0]) }
133: sub acos { atan2(sqrt(1 - $_[0] * $_[0]), $_[0] ); }
134: sub asin { atan2($_[0], sqrt(1- $_[0] * $_[0]) ); }
135:
136: sub html {
1.4 albertel 137: if ( $external::target eq "web" ) {
138: return @_[0];
1.1 harris41 139: }
140: }
141:
142:
143: sub pow {return $_[0] ** $_[1]; }
144: sub ceil {return (($_[0]-int($_[0]))== 0.0) ? $_[0] : (int($_[0])+ 1); }
145: sub floor {return int($_[0]); }
146:
1.2 albertel 147: sub format {
148: my ($value,$fmt)=@_;
1.11 albertel 149: return sprintf('%.'.$fmt,$value);
1.2 albertel 150: }
1.5 albertel 151:
152: sub map {
153: my $num = $#_/2;
154: my $i;
1.6 albertel 155: my @used;
156: my @permutation;
157: for ($i=0; $i < $num;) {
158: $rand = &random(1,$num,1);
159: if ( $used[$rand] == '0' ) {
160: $i++;
161: $used[$rand]='1';
162: $permutation[$i]=$rand;
163: }
164: }
1.5 albertel 165: for ( $i=1 ; $i<$num+1 ; $i++ ) {
1.6 albertel 166: ${$_[$permutation[$i]]}=$_[$i+$num]
1.5 albertel 167: }
168: }
169:
170: sub choose {
171: my $num = $_[0];
172: return $_[$num];
173: }
1.6 albertel 174: #$external::randomseed=time;
1.5 albertel 175: #$a=2;
176: #$b=2;
1.6 albertel 177: #$c=2;
178: #&map(1,\$a,\$b,\$c,3,4,5);
1.5 albertel 179: #print $a."\n".$b."\n";
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