version 1.502, 2004/05/19 17:13:39
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version 1.503, 2004/05/27 04:25:12
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Line 4465 sub latest_rnd_algorithm_id {
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Line 4465 sub latest_rnd_algorithm_id {
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return '64bit3'; |
return '64bit3'; |
} |
} |
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sub get_rand_alg { |
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my ($courseid)=@_; |
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if (!$courseid) { $courseid=(&Apache::lonxml::whichuser())[1]; } |
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if ($courseid) { |
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return $ENV{"course.$courseid.rndseed"}; |
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} |
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return &latest_rnd_algorithm_id(); |
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} |
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sub getCODE { |
sub getCODE { |
if (defined($ENV{'form.CODE'})) { return $ENV{'form.CODE'}; } |
if (defined($ENV{'form.CODE'})) { return $ENV{'form.CODE'}; } |
if (defined($Apache::lonhomework::parsing_a_problem) && |
if (defined($Apache::lonhomework::parsing_a_problem) && |
Line 4484 sub rndseed {
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Line 4493 sub rndseed {
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if (!$courseid) { $courseid=$wcourseid; } |
if (!$courseid) { $courseid=$wcourseid; } |
if (!$domain) { $domain=$wdomain; } |
if (!$domain) { $domain=$wdomain; } |
if (!$username) { $username=$wusername } |
if (!$username) { $username=$wusername } |
my $which=$ENV{"course.$courseid.rndseed"}; |
my $which=&get_rand_alg(); |
if (defined(&getCODE())) { |
if (defined(&getCODE())) { |
return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); |
return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); |
} elsif ($which eq '64bit3') { |
} elsif ($which eq '64bit3') { |
Line 4574 sub rndseed_64bit3 {
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Line 4583 sub rndseed_64bit3 {
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my $num2=$nameseed+$domainseed+$courseseed; |
my $num2=$nameseed+$domainseed+$courseseed; |
#&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
#&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
#&Apache::lonxml::debug("rndseed :$num:$symb"); |
#&Apache::lonxml::debug("rndseed :$num:$symb"); |
return "$num1,$num2"; |
return "$num1:$num2"; |
} |
} |
} |
} |
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Line 4591 sub rndseed_CODE_64bit {
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Line 4600 sub rndseed_CODE_64bit {
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my $num2=$CODEseed+$courseseed+$symbchck; |
my $num2=$CODEseed+$courseseed+$symbchck; |
#&Apache::lonxml::debug("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); |
#&Apache::lonxml::debug("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); |
#&Apache::lonxml::debug("rndseed :$num1:$num2:$symb"); |
#&Apache::lonxml::debug("rndseed :$num1:$num2:$symb"); |
return "$num1,$num2"; |
return "$num1:$num2"; |
} |
} |
} |
} |
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sub setup_random_from_rndseed { |
sub setup_random_from_rndseed { |
my ($rndseed)=@_; |
my ($rndseed)=@_; |
if ($rndseed =~/,/) { |
if ($rndseed =~/([,:])/) { |
my ($num1,$num2)=split(/,/,$rndseed); |
my ($num1,$num2)=split(/[,:]/,$rndseed); |
&Math::Random::random_set_seed(abs($num1),abs($num2)); |
&Math::Random::random_set_seed(abs($num1),abs($num2)); |
} else { |
} else { |
&Math::Random::random_set_seed_from_phrase($rndseed); |
&Math::Random::random_set_seed_from_phrase($rndseed); |