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Diff for /loncom/homework/default_homework.lcpm between versions 1.110 and 1.112

version 1.110, 2006/07/17 21:11:21 version 1.112, 2006/07/18 15:26:23
Line 200  sub capa_formula_fix { Line 200  sub capa_formula_fix {
   
 sub implicit_multiplication {  sub implicit_multiplication {
     my ($expression)=@_;      my ($expression)=@_;
   # Escape scientific notation, so 3e8 does not become 3*e*8
   # 3e8 -> 3&8; 3e-8 -> 3&-8; 3E+8 -> e&+8
     $expression=~s/(\d+)e([\+\-]*\d+)/$1\&\($2\)/gsi;      $expression=~s/(\d+)e([\+\-]*\d+)/$1\&\($2\)/gsi;
   # 3x10^8 -> 3&8; 3*10^-8 -> 3&-8
     $expression=~s/(\d+)(?:x|\*)10(?:\^|\*\*)([\+\-]*\d+)/$1\&\($2\)/gsi;      $expression=~s/(\d+)(?:x|\*)10(?:\^|\*\*)([\+\-]*\d+)/$1\&\($2\)/gsi;
   # Fill in multiplication signs
   # a b -> a*b
     $expression=~s/\s+/\*/gs;      $expression=~s/\s+/\*/gs;
   # 3a -> 3*a; 3( -> 3*(; 3A -> 3*a
     $expression=~s/(\d)([a-zA-Z\(])/$1\*$2/gs;      $expression=~s/(\d)([a-zA-Z\(])/$1\*$2/gs;
   # a3 -> a*3; )3 -> )*3
     $expression=~s/([a-zA-Z])(\d)/$1\*$2/gs;      $expression=~s/([a-zA-Z])(\d)/$1\*$2/gs;
   # )a -> )*a
     $expression=~s/\)(\w)/\)\*$1/gs;      $expression=~s/\)(\w)/\)\*$1/gs;
   # 3&8 -> 3e8; 3&-4 -> 3e-4
     $expression=~s/(\d+)\&\(([\+\-]*\d+)\)/$1e$2/gs;      $expression=~s/(\d+)\&\(([\+\-]*\d+)\)/$1e$2/gs;
     return $expression;      return $expression;
 }  }
Line 841  sub class { Line 850  sub class {
     return $course;      return $course;
 }  }
   
   sub firstname {
       my $firstname = &EXT('environment.firstname');
       $firstname = '' if $firstname eq "";
       return $firstname;
   }
                                                                                   
   sub lastname {
       my $lastname = &EXT('environment.lastname');
       $lastname = '' if $lastname eq "";
       return $lastname;
   }
   
 sub sec {   sub sec { 
     my $sec = &EXT('request.course.sec');      my $sec = &EXT('request.course.sec');
     $sec = '' if $sec eq "";      $sec = '' if $sec eq "";
Removed from v.1.110  
changed lines
  Added in v.1.112

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