version 1.29, 2010/11/07 21:10:14
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version 1.30, 2010/11/09 02:29:52
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Line 398 sub start_functionplotrule {
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Line 398 sub start_functionplotrule {
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&Apache::edit::select_arg(&mt('Function:'),'derivative', |
&Apache::edit::select_arg(&mt('Function:'),'derivative', |
[['0','Function itself'], |
[['0','Function itself'], |
['1','First derivative'], |
['1','First derivative'], |
['2','Second derivative']],$token). |
['2','Second derivative']],$token).' '. |
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&Apache::edit::text_arg('(Initial) x-value:','xinitial', |
&Apache::edit::text_arg('(Initial) x-value:','xinitial', |
$token,'4').' '. |
$token,'4'). |
&Apache::edit::text_arg('Final x-value for ranges:','xfinal', |
&Apache::edit::select_or_text_arg('(Initial) x-value label:','xinitiallabel', |
$token,'4').' '. |
[['start','Start of Plot']],$token,'8').' '. |
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&Apache::edit::text_arg('Optional final x-value for ranges:','xfinal', |
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$token,'4'). |
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&Apache::edit::select_or_text_arg('Optional final x-value label:','xfinallabel', |
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[['end','End of Plot']],$token,'8').' '. |
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&Apache::edit::select_arg(&mt('Relationship:'),'relationship', |
&Apache::edit::select_arg(&mt('Relationship:'),'relationship', |
[['eq','equal'], |
[['eq','equal'], |
['ne','not equal'], |
['ne','not equal'], |
Line 417 sub start_functionplotrule {
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Line 424 sub start_functionplotrule {
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&Apache::edit::end_row(); |
&Apache::edit::end_row(); |
} elsif ($target eq 'modified') { |
} elsif ($target eq 'modified') { |
my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
$safeeval,'index','derivative','xinitial','xfinal','relationship', |
$safeeval,'index','derivative','xinitial','xinitiallabel','xfinal','xfinallabel','relationship', |
'value','percenterror'); |
'value','percenterror'); |
if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
} |
} |
Line 616 sub populate_arrays {
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Line 623 sub populate_arrays {
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if (defined($Apache::functionplotresponse::func[$xi])) { return 'no_func'; } |
if (defined($Apache::functionplotresponse::func[$xi])) { return 'no_func'; } |
$xiold=$xi; |
$xiold=$xi; |
# Function value |
# Function value |
$Apache::functionplotresponse::func[$xi]=&cubic_hermite($t,@yparms); |
my $funcval=&cubic_hermite($t,@yparms); |
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$Apache::functionplotresponse::func[$xi]=$funcval; |
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if (defined($funcval)) { |
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if ($xi<$Apache::functionplotresponse::functionplotrulelabels{'start'}) { |
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$Apache::functionplotresponse::functionplotrulelabels{'start'}=$xi; |
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} |
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if ($xi>$Apache::functionplotresponse::functionplotrulelabels{'end'}) { |
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$Apache::functionplotresponse::functionplotrulelabels{'end'}=$xi; |
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} |
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} |
# Chain rule |
# Chain rule |
# dy/dx=dy/dt/(dx/dt) |
# dy/dx=dy/dt/(dx/dt) |
my $dxdt=&ddt_cubic_hermite($t,@xparms); |
my $dxdt=&ddt_cubic_hermite($t,@xparms); |
Line 738 sub start_functionplotresponse {
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Line 754 sub start_functionplotresponse {
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sub compare_rel { |
sub compare_rel { |
my ($relationship,$value,$realval,$tol)=@_; |
my ($relationship,$value,$realval,$tol)=@_; |
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&Apache::lonnet::logthis("Rel $relationship Val $value RV $realval T $tol"); |
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# is the real value defined? |
# is the real value defined? |
unless (defined($realval)) { |
unless (defined($realval)) { |
if ($relationship eq 'eq') { |
if ($relationship eq 'eq') { |
Line 782 sub functionplotrulecheck {
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Line 795 sub functionplotrulecheck {
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&Apache::lonnet::logthis("Rule $rule TolFunc $tolfunc TolDfDx $toldfdx TolD2fDx2 $told2fdx2"); |
&Apache::lonnet::logthis("Rule $rule TolFunc $tolfunc TolDfDx $toldfdx TolD2fDx2 $told2fdx2"); |
my ($label,$derivative,$xinitial,$xinitiallabel,$xfinal,$xfinallabel,$relationship,$value) |
my ($label,$derivative,$xinitial,$xinitiallabel,$xfinal,$xfinallabel,$relationship,$value) |
=split(/\:/,$rule); |
=split(/\:/,$rule); |
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my $li=0; |
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my $lh=400; |
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# if a hard value is set for the boundaries, it overrides the label |
# if a hard value is set for the boundaries, it overrides the label |
if (($xinitial ne '') && ($xinitiallabel ne '')) { |
if (($xinitial ne '') && ($xinitiallabel ne '') && ($xinitiallabel ne 'start')) { |
$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel}=$xinitial; |
$li=&array_index($xmin,$xmax,$xinitial); |
} |
$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel}=$li; |
if (($xfinal ne '') && ($xfinallabel ne '')) { |
} |
$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$xfinal; |
if (($xfinal ne '') && ($xfinallabel ne '') && ($xfinallabel ne 'end')) { |
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$lh=&array_index($xmin,$xmax,$xfinal); |
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$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}=$lh; |
} |
} |
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel})) { |
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel})) { |
$xinitial=$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel}; |
$li=$Apache::functionplotresponse::functionplotrulelabels{$xinitiallabel}; |
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} else { |
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$li=&array_index($xmin,$xmax,$xinitial); |
} |
} |
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xfinallabel})) { |
if (defined($Apache::functionplotresponse::functionplotrulelabels{$xfinallabel})) { |
$xfinal=$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}; |
$lh=$Apache::functionplotresponse::functionplotrulelabels{$xfinallabel}; |
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} else { |
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$lh=&array_index($xmin,$xmax,$xfinal); |
} |
} |
# Basic sanity checks |
# Basic sanity checks |
if ($xinitial eq '') { |
if ($li<0) { $li=0; } |
$xinitial=0; |
if ($lh>400) { $lh=400; } |
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if ($li>$lh) { |
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$lh=$li; |
} |
} |
if ($xfinal eq '') { |
&Apache::lonnet::logthis("Init $xinitial=$li Final $xfinal=$lh"); |
$xfinal=$xinitial; |
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} |
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if ($xinitial>$xfinal) { |
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$xfinal=$xinitial; |
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} |
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&Apache::lonnet::logthis("Init $xinitial Final $xfinal"); |
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my $tol=$tolfunc; |
my $tol=$tolfunc; |
if ($derivative==2) { |
if ($derivative==2) { |
$tol=$told2fdx2; |
$tol=$told2fdx2; |
} elsif ($derivative==1) { |
} elsif ($derivative==1) { |
$tol=$toldfdx; |
$tol=$toldfdx; |
} |
} |
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my $li=&array_index($xmin,$xmax,$xinitial); |
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my $lh=&array_index($xmin,$xmax,$xfinal); |
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for (my $i=$li; $i<=$lh; $i++) { |
for (my $i=$li; $i<=$lh; $i++) { |
my $val; |
my $val; |
if ($derivative==2) { |
if ($derivative==2) { |
Line 875 sub end_functionplotresponse {
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Line 891 sub end_functionplotresponse {
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} |
} |
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my $ad=''; |
my $ad=''; |
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undef %Apache::functionplotresponse::functionplotrulelabels; |
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$Apache::functionplotresponse::functionplotrulelabels{'start'}=400; |
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$Apache::functionplotresponse::functionplotrulelabels{'end'}=0; |
if (&populate_arrays($internalid,$xmin,$xmax) eq 'no_func') { |
if (&populate_arrays($internalid,$xmin,$xmax) eq 'no_func') { |
$ad='NOT_FUNCTION'; |
$ad='NOT_FUNCTION'; |
} else { |
} else { |
# We have a function that we can actually grade, go through the spline rules. |
# We have a function that we can actually grade, go through the spline rules. |
undef %Apache::functionplotresponse::functionplotrulelabels; |
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foreach my $rule (@Apache::functionplotresponse::functionplotrules) { |
foreach my $rule (@Apache::functionplotresponse::functionplotrules) { |
unless (&functionplotrulecheck($rule,$xmin,$xmax,$tolfunc,$toldfdx,$told2fdx2)) { |
unless (&functionplotrulecheck($rule,$xmin,$xmax,$tolfunc,$toldfdx,$told2fdx2)) { |
$ad='INCORRECT'; |
$ad='INCORRECT'; |