loncom/homework/default_homework.lcpm - diff

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Diff for /loncom/homework/default_homework.lcpm between versions 1.98 and 1.103

version 1.98, 2005/03/31 17:12:37	version 1.103, 2005/09/26 21:39:53
Line 89 sub caparesponse_check {	Line 89 sub caparesponse_check {
} else {	} else {
$message .="no ws in :$response:\n";	$message .="no ws in :$response:\n";
}	}
if ($type eq 'cs' \|\| $type eq 'ci' \|\| $type eq 'mc') {	&LONCAPA_INTERNAL_DEBUG(" type is $type ");
	if ($type eq 'cs' \|\| $type eq 'ci') {
#for string answers make surec all places spaces occur, there is	#for string answers make surec all places spaces occur, there is
#really only 1 space, in both the answer and the response	#really only 1 space, in both the answer and the response
$answer=~s/ +/ /g;	$answer=~s/ +/ /g;
$response=~s/ +/ /g;	$response=~s/ +/ /g;
	} elsif ($type eq 'mc') {
	$answer=~s/[\s,]//g;
	$response=~s/[\s,]//g;
}	}
if ($type eq 'float' && $unit=~/\$/) {	if ($type eq 'float' && $unit=~/\$/) {
if ($response!~/^\$/) { return "NO_UNIT: Missing \$ "; }	if ($response!~/^\$/) { return "NO_UNIT: Missing \$ "; }
Line 447 sub random_negative_binomial {	Line 451 sub random_negative_binomial {
return @retArray;	return @retArray;
}	}

sub abs { abs(shift) }	sub abs { CORE::abs(shift) }
sub sin { sin(shift) }	sub sin { CORE::sin(shift) }
sub cos { cos(shift) }	sub cos { CORE::cos(shift) }
sub exp { exp(shift) }	sub exp { CORE::exp(shift) }
sub int { int(shift) }	sub int { CORE::int(shift) }
sub log { log(shift) }	sub log { CORE::log(shift) }
sub atan2 { atan2($_[0],$_[1]) }	sub atan2 { CORE::atan2($_[0],$_[1]) }
sub sqrt { sqrt(shift) }	sub sqrt { CORE::sqrt(shift) }

sub tan { CORE::sin($_[0]) / CORE::cos($_[0]) }	sub tan { CORE::sin($_[0]) / CORE::cos($_[0]) }
#sub atan { atan2($_[0], 1); }	#sub atan { atan2($_[0], 1); }
Line 518 sub format {	Line 522 sub format {
#if ($options =~ /\$/) { $dollamode=1; }	#if ($options =~ /\$/) { $dollamode=1; }
#if ($options =~ /,/) { $commamode=1; }	#if ($options =~ /,/) { $commamode=1; }
if ($options =~ /\./) { $alwaysperiod=1; }	if ($options =~ /\./) { $alwaysperiod=1; }
	my $result;
if ($fmt=~/s$/i) {	if ($fmt=~/s$/i) {
$result=&format_significant_figures($value,$fmt);	$result=&format_significant_figures($value,$fmt);
} else {	} else {
$fmt=~s/e/E/g;	$fmt=~s/e/E/g;
my $result=sprintf('%.'.$fmt,$value);	$result=sprintf('%.'.$fmt,$value);
if ($alwaysperiod && $fmt eq '0f') { $result .='.'; }	if ($alwaysperiod && $fmt eq '0f') { $result .='.'; }
$result=~s/(E[+-]*)0/$1/;	$result=~s/(E[+-]*)0/$1/;
}	}
Line 632 sub prettyprint {	Line 637 sub prettyprint {
sub commaformat {	sub commaformat {
my ($number,$target) = @_;	my ($number,$target) = @_;
if ($number =~ /\./) {	if ($number =~ /\./) {
while ($number =~ /([^\.,]+)([^\.,][^\.,][^\.,])([,0-9]\.[0-9])$/) {	while ($number =~ /([^0-9])([0-9]+)([^\.,][^\.,][^\.,])([,0-9]\.[0-9]*)$/) {
$number = $1.','.$2.$3;	$number = $1.$2.','.$3.$4;
}	}
} else {	} else {
while ($number =~ /([^,]+)([^,][^,][^,])([,0-9]*)$/) {	while ($number =~ /^([^0-9])([0-9]+)([^,][^,][^,])([,0-9])$/) {
$number = $1.','.$2.$3;	$number = $1.$2.','.$3.$4;
}	}
}	}
return $number;	return $number;
Line 885 sub choose {	Line 890 sub choose {
return $_[$num];	return $_[$num];
}	}

	#&sum1(1,$x,sub { &sum1($_[0],2$_[0], sub { fact($_[0])*2 })});
	#sub sum1 {
	# my ($start,$end,$sub)=@_;
	# my $sum=0;
	# for (my $i=$start;$i<=$end;$i++) {
	# $sum+=&$sub($i);
	# }
	# return $sum
	#}

	#&sum2('a',1,$x,'&sum2(\'b\',$a,2$a, \'&factorial($b)*2\')');
	#sub sum2 {
	# my ($varname,$start,$end,$line)=@_;
	# my $sum=0;
	# for (my $i=$start;$i<=$end;$i++) {
	# my $func=sub {
	# eval("\$".$varname."=$i");
	# eval($line);
	# };
	# $sum+=&$func($i);
	# }
	# return $sum
	#}

# expiremental idea	# expiremental idea
sub proper_path {	sub proper_path {
my ($path)=@_;	my ($path)=@_;

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Removed from v.1.98
changed lines
	Added in v.1.103