--- loncom/homework/default_homework.lcpm	2001/05/25 21:20:19	1.20
+++ loncom/homework/default_homework.lcpm	2001/05/30 21:49:13	1.23
@@ -3,7 +3,6 @@
 # 
 #
 #init some globals
-#use Math::Trig;
 #
 # Guy Albertelli
 #
@@ -11,6 +10,8 @@
 #
 $RANDOMINIT=0;
 $pi=atan2(1,1)*4;
+$rad2deg=180.0/$pi;
+$deg2rad=$pi/180.0;
 
 sub caparesponse_check {
   my $answer='';  #done
@@ -150,11 +151,22 @@ sub random {
   return $result;
 }
 
+sub abs { abs(shift) }
+sub sin { sin(shift) }
+sub cos { cos(shift) }
+sub exp { exp(shift) }
+sub int { int(shift) }
+sub log { log(shift) }
+sub atan2 { atan2($_[0],$_[1]) }
+sub sqrt { sqrt(shift) }
+
 sub tan  { sin($_[0]) / cos($_[0]) }
-sub atan { atan2($_[0], 1); }
-sub acos { atan2(sqrt(1 - $_[0] * $_[0]), $_[0] ); }
-sub asin { atan2($_[0], sqrt(1- $_[0] * $_[0]) );  }
+#sub atan { atan2($_[0], 1); }
+#sub acos { atan2(sqrt(1 - $_[0] * $_[0]), $_[0] ); }
+#sub asin { atan2($_[0], sqrt(1- $_[0] * $_[0]) );  }
+
 sub log10 { log($_[0])/log(10); }
+
 sub factorial {
     my $input = int(shift);
     return "Error - unable to take factorial of an negative number ($input)" if $input < 0;
@@ -230,13 +242,64 @@ sub map {
   }
 }
 
+sub capa_id { return }
+
+sub problem { return }
+
+sub name{
+  my $fullname = &EXT('environment.lastname').', '.&EXT('environment.firstname').' '.&EXT('environment.middlename');
+  $fullname = "" if $fullname eq ",  ";
+  $fullname =~ s/\%2d/-/;
+  return $fullname;
+}
+
+sub student_number { 
+  my $id = &EXT('environment.id');
+  $id = '' if $id eq "";
+  return $id;
+}
+
+sub class {
+  my $course = &EXT('course.description');
+  $course = '' if $course eq "";
+  return $course;
+}
+
+sub sec { 
+  my $sec = &EXT('request.course.sec');
+  $sec = '' if $sec eq "";
+  return $sec;
+}
+
+sub open_date { 
+  my @dc = split(/\s+/,localtime(&EXT('resource.0.opendate')));
+  return $dc[0].', '.$dc[1].' '.$dc[2].', '.$dc[4].' at '.$dc[3];
+}
+
+sub due_date { 
+  my @dc = split(/\s+/,localtime(&EXT('resource.0.duedate')));
+  return $dc[0].', '.$dc[1].' '.$dc[2].', '.$dc[4].' at '.$dc[3];
+}
+
+sub answer_date { 
+  my @dc = split(/\s+/,localtime(&EXT('resource.0.answerdate')));
+  return $dc[0].', '.$dc[1].' '.$dc[2].', '.$dc[4].' at '.$dc[3];
+ }
+
 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";
+
+
+
+
+
+