Section 3: library functions
Lintian::Deb822Parser – Lintian’s generic Deb822 parser functions Synopsis use Lintian::Deb822Parser qw(read_dpkg_control_utf8); my (@paragraphs); eval { @paragraphs = read_dpkg_control_utf8(‘some/debian/ctrl/file’); }; if ($@) { # syntax error etc. die "ctrl/file: $@"; } foreach my $para (@paragraphs) { my $value = $para->{‘some-field’}; if (defined $value) { # … } } Description This module contains a number of utility…
Lintian::Data – Lintian interface to query lists of keywords Synopsis my $keyword; my $list = Lintian::Data->new(‘type’); if ($list->known($keyword)) { # do something … } my $hash = Lintian::Data->new(‘another-type’, qr{\s++}); if ($hash->value($keyword) > 1) { # do something … } if ($list->value($keyword) > 1) { # do something … } my @keywords = $list->all; if ($list->matches_any($keyword))…
Lintian::Command::Simple – Run commands without pipes Synopsis use Lintian::Command::Simple qw(wait_any); my %pid_info; my $pid = fork() // die("fork: $!"); exec(‘do’, ‘something’) if $pid == 0; $pid_info{$pid} = "A useful value associated with $pid"; my ($termiated_pid, $value) = wait_any(\%pid_info); …; Description Lintian::Command::Simple allows running commands with the capability of running them “in the background” (asynchronously.) Pipes…
Lintian::Command – Utilities to execute other commands from lintian code Synopsis use Lintian::Command qw(spawn); # simplest possible call my $success = spawn({}, [‘command’]); # catch output my $opts = {}; $success = spawn($opts, [‘command’]); if ($success) { print "STDOUT: $opts->{out} "; print "STDERR: $opts->{err} "; } # from file to file $opts = { in…
Lintian::Collect::Source – Lintian interface to source package data collection Synopsis my ($name, $type, $dir) = (‘foobar’, ‘source’, ‘/path/to/lab-entry’); my $collect = Lintian::Collect->new ($name, $type, $dir); if ($collect->native) { print "Package is native "; } Description Lintian::Collect::Source provides an interface to package data for source packages. It implements data collection methods specific to source packages. This…
Lintian::Collect::Package – Lintian base interface to binary and source package data collection Synopsis use autodie; use Lintian::Collect; my ($name, $type, $dir) = (‘foobar’, ‘source’, ‘/path/to/lab-entry’); my $info = Lintian::Collect->new ($name, $type, $dir); my $filename = "etc/conf.d/$name.conf"; my $file = $info->index_resolved_path($filename); if ($file and $file->is_open_ok) { my $fd = $info->open; # Use $fd … close($fd); }…
Lintian::Collect::Group – Lintian interface to group data collection Synopsis my $group = Lintian::ProcessableGroup->new (‘lintian_2.5.0_i386.changes’); my $ginfo = Lintian::Collect::Group->new ($group); foreach my $bin ($group->get_binary_processables) { my $pkg_name = $bin->pkg_name; foreach my $dirdep ($ginfo->direct_dependencies ($bin)) { print "$pkg_name (pre-)depends on $dirdep (which is also in this group)\n"; } } Description Lintian::Collect::Group is a “group” variant of the…
Lintian::Collect::Changes – Lintian interface to .changes file data collection Synopsis my ($name, $type) = (‘foobar_1.2_i386.changes’, ‘changes’); my $collect = Lintian::Collect->new($name, $type); my $files = $collect->files; foreach my $file (keys %{$files}) { my $size = $files->{$file}{size}; print "File $file has size $size\n"; } Description Lintian::Collect::Changes provides an interface to data for .changes files. It implements data…
Lintian::Collect::Buildinfo – Lintian interface to .buildinfo file data collection Synopsis my ($name, $type) = (‘foobar_1.2_i386.buildinfo’, ‘changes’); my $collect = Lintian::Collect->new($name, $type); my $files = $collect->files; foreach my $file (keys %{$files}) { my $size = $files->{$file}{size}; print "File $file has size $size\n"; } Description Lintian::Collect::Buildinfo provides an interface to data for .buildinfo files. It implements data…
Lintian::Collect::Binary – Lintian interface to binary package data collection Synopsis my ($name, $type, $dir) = (‘foobar’, ‘binary’, ‘/path/to/lab-entry’); my $collect = Lintian::Collect->new ($name, $type, $dir); if ($collect->native) { print "Package is native "; } Description Lintian::Collect::Binary provides an interface to package data for binary packages. It implements data collection methods specific to binary packages. This…
Lintian::Collect – Lintian interface to package data collection Synopsis my ($name, $type, $dir) = (‘foobar’, ‘udeb’, ‘/some/abs/path’); my $collect = Lintian::Collect->new ($name, $type, $dir); $name = $collect->name; $type = $collect->type; Description Lintian::Collect provides the shared interface to package data used by source, binary and udeb packages and .changes files. It creates an object of the…
Lintian::CollScript – Collection script handle Synopsis use Lintian::CollScript; my $cs = Lintian::CollScript->new ("$ENV{‘LINTIAN_ROOT’}/collection/index.desc"); my $name = $cs->name; foreach my $needs ($cs->needs_info) { print "$name needs $needs\n"; } Description Instances of this class represents the data in the collection “.desc” files. It allows access to the common meta data of the collection (such as Needs-Info). Class…
Lintian::CheckScript – Check script meta data Synopsis use Lintian::CheckScript; my $cs = Lintian::CheckScript->new ("$ENV{‘LINTIAN_ROOT’}/checks/", ‘files’); my $name = $cs->name; foreach my $tag ($cs->tags) { # $ti is an instance of Lintian::Tag::Info my $ti = $cs->get_tag ($tag); print "$tag is a part of the check $name\n"; # Do something with $ti / $tag } foreach my…
Lintian::Check::Info – Check script meta data Synopsis use Lintian::Check::Info; Description This class represents Lintian checks. Class Methods "basedir" name module type type_table tag_table load $cs->is_check_type ($type) Returns a truth value if this check can be applied to a $type package. Note if $cs->type return undef, this will return a truth value for all inputs. $cs->add_taginfo…
Lintian::Check — Common facilities for Lintian checks Synopsis use Moo; use namespace::clean; with(‘Lintian::Check’); Description A class for collecting Lintian tags as they are issued Instance Methods processable Get processable underlying this check. group Get group that the processable is in. run Run the check. package Get package name from processable. type Get type of processable….
Lintian::Architecture — Lintian API for handling architectures and wildcards Synopsis use Lintian::Architecture qw(:all); print "arch\n" if is_arch (‘i386’); print "wildcard\n" if is_arch_wildcard (‘any’); print "either arch or wc\n" if is_arch_or_wildcard (‘linux-any’); foreach my $arch (expand_arch_wildcard (‘any’)) { print "any expands to $arch\n"; } Description Lintian API for checking and expanding architectures and architecture wildcards. The…
NAME ql/math/linearleastsquaresregression.hpp – general linear least square regression SYNOPSIS #include <ql/qldefines.hpp> #include <ql/math/matrixutilities/svd.hpp> #include <ql/math/array.hpp> #include <boost/function.hpp> #include <vector> Classes class LinearLeastSquaresRegression< ArgumentType > general linear least squares regression Detailed Description general linear least square regression Author Generated automatically by Doxygen for QuantLib from the source code. Index
NAME ql/math/interpolations/linearinterpolation.hpp – linear interpolation between discrete points SYNOPSIS #include <ql/math/interpolation.hpp> #include <vector> Classes class LinearInterpolation Linear interpolation between discrete points class Linear Linear-interpolation factory and traits Detailed Description linear interpolation between discrete points Author Generated automatically by Doxygen for QuantLib from the source code. Index
vpIdentity3, vpIdentity4, vpNormalize3, vpMatrixVectorMult4, vpMatrixMult4, vpCrossProduct, vpSolveSystem4, vpSetVector3, vpSetVector4 – linear algebra routines Synopsis #include <volpack.h> void vpIdentity3(m_dst) vpMatrix3 m_dst; void vpIdentity4(m_dst) vpMatrix4 m_dst; vpResult vpNormalize3(v_src1) vpVector3 v_src1; void vpMatrixVectorMult4(v_dst, m_src1, v_src1) vpVector4 v_dst; vpMatrix4 m_src1; vpVector4 v_src1; void vpMatrixMult4(m_dst, m_src1, m_src2) vpVector4 m_dst, m_src1, m_src2; void vpCrossProduct(v_dst, v_src1, v_src2) vpVector3 v_dst, v_src1, v_src2; vpResult…
QuantLib::LineSearch – Base class for line search. Synopsis #include <ql/math/optimization/linesearch.hpp> Inherited by ArmijoLineSearch. Public Member Functions LineSearch (Real=0.0) Default constructor. virtual ~LineSearch () Destructor. const Array & lastX () return last x value Real lastFunctionValue () return last cost function value const Array & lastGradient () return last gradient Real lastGradientNorm2 () return square norm…