Math-NoCarry-1.111/000755 000765 000024 00000000000 12652223314 014217 5ustar00brianstaff000000 000000 Math-NoCarry-1.111/Changes000644 000765 000024 00000001647 12652223311 015517 0ustar00brianstaff000000 000000 Revision history for Perl module Math::NoCarry 1.111 2016-01-27T20:21:05Z * Freshen distro, remove prereq.t test 1.11 - 2007-12-09 * Now all the functions are exportable on demand. * Distro requires 5.006, although it probably stills works on earlier versions. I'm not actively supporting those though. 1.10 - 2007-01-09 * updated copyright and license info * no code changes, so no need to upgrade 1.09 - 2006-05-18 * Updates to distro and kwalitee. No need to upgrade. 1.08 - 2005-03-11 * Updated docs for POD coverage tests * No code changes, but the docs for subtract() are labelled correctly now. 1.07 - 2004-11-17 * no changes 1.07 - 2004-10-08 * no feature changes: added strictures and removed unreachable statement 1.06 - 2004-09-08 * cleaned up the distro and the docs * no code changes, no need to upgrade 0.01 - 2002-06-25 * original version; created by h2xs 1.21 with options -AXn Math::NoCarry Math-NoCarry-1.111/examples/000755 000765 000024 00000000000 12652223313 016034 5ustar00brianstaff000000 000000 Math-NoCarry-1.111/INSTALL.SKIP000644 000765 000024 00000000156 12652223311 016014 0ustar00brianstaff000000 000000 README\.pod README.* # things that might be in local directories after fooling # around with them \.DS_Store Math-NoCarry-1.111/lib/000755 000765 000024 00000000000 12652223313 014764 5ustar00brianstaff000000 000000 Math-NoCarry-1.111/LICENSE000644 000765 000024 00000017404 12652223311 015227 0ustar00brianstaff000000 000000 The Math::NoCarry module is licensed under the same terms as perl itself, under the Artistic License 2.0. 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If you institute patent litigation Math-NoCarry-1.111/Makefile.PL000644 000765 000024 00000005106 12652223311 016170 0ustar00brianstaff000000 000000 package Math::NoCarry; use strict; use warnings; =encoding utf8 =head1 The build file for Math::NoCarry This build file is a modulino; it works as both a build script and a module. To build the distribution, run this file normally: % perl Makefile.PL But, it's more interesting than that. You can load it with C and call C to get the data structure it passes to C: my $package = require '/path/to/Makefile.PL'; my $arguments = $package->arguments; Note that C-ing a file makes an entry in C<%INC> for exactly that name. If you try to C another file with the same name, even from a different path, C thinks it has already loaded the file. As such, I recommend you always require the full path to the file. The return value of the C is a package name (in this case, the name of the main module. Use that to call the C method. Even if this distribution needs a higher version of Perl, this bit only needs v5.8. You can play with the data structure with a primitive Perl. =cut use File::Spec::Functions qw(catfile); my $module = __PACKAGE__; ( my $dist = $module ) =~ s/::/-/g; my $github = 'https://github.com/briandfoy/Math-NoCarry'; my $main_file = catfile( 'lib', split /::/, "$module.pm" ); my %WriteMakefile = ( 'MIN_PERL_VERSION' => '5.008', 'NAME' => $module, 'ABSTRACT_FROM' => $main_file, 'VERSION_FROM' => $main_file, 'LICENSE' => 'perl', 'AUTHOR' => 'brian d foy ', 'CONFIGURE_REQUIRES' => { 'ExtUtils::MakeMaker' => '6.64', 'File::Spec::Functions' => '0', }, 'BUILD_REQUIRES' => { }, 'TEST_REQUIRES' => { 'Test::More' => '0.94', }, 'PREREQ_PM' => { }, 'META_MERGE' => { 'meta-spec' => { version => 2 }, resources => { repository => { type => 'git', url => "$github.git", web => $github, }, bugtracker => { web => "$github/issues", }, homepage => $github, }, }, clean => { FILES => "$dist-*" }, ); sub arguments { \%WriteMakefile } do_it() unless caller; sub do_it { require File::Spec; my $MM ='ExtUtils::MakeMaker'; my $MM_version = eval{ "$MM " . $WriteMakefile{'CONFIGURE_REQUIRES'}{'ExtUtils::MakeMaker'} } || "$MM 6.64"; eval "use $MM_version; 1" or die "Could not load $MM_version: $@"; eval "use Test::Manifest 1.21" if -e File::Spec->catfile( qw(t test_manifest) ); my $arguments = arguments(); my $minimum_perl = $arguments->{MIN_PERL_VERSION} || '5.008'; eval "require $minimum_perl;" or die $@; WriteMakefile( %$arguments ); } no warnings; __PACKAGE__; Math-NoCarry-1.111/MANIFEST000644 000765 000024 00000000615 12652223314 015352 0ustar00brianstaff000000 000000 Changes examples/README INSTALL.SKIP lib/Math/NoCarry.pm LICENSE Makefile.PL MANIFEST This list of files MANIFEST.SKIP README.pod t/add.t t/load.t t/multiply.t t/pod.t t/pod_coverage.t t/subtract.t t/test_manifest xt/changes.t META.yml Module YAML meta-data (added by MakeMaker) META.json Module JSON meta-data (added by MakeMaker) Math-NoCarry-1.111/MANIFEST.SKIP000644 000765 000024 00000002223 12652223311 016111 0ustar00brianstaff000000 000000 #!start included /usr/local/perls/perl-5.22.0/lib/5.22.0/ExtUtils/MANIFEST.SKIP # Avoid version control files. \bRCS\b \bCVS\b \bSCCS\b ,v$ \B\.svn\b \B\.git\b \B\.gitignore\b \b_darcs\b \B\.cvsignore$ # Avoid VMS specific MakeMaker generated files \bDescrip.MMS$ \bDESCRIP.MMS$ \bdescrip.mms$ # Avoid Makemaker generated and utility files. \bMANIFEST\.bak \bMakefile$ \bblib/ \bMakeMaker-\d \bpm_to_blib\.ts$ \bpm_to_blib$ \bblibdirs\.ts$ # 6.18 through 6.25 generated this \b_eumm/ # 7.05_05 and above # Avoid Module::Build generated and utility files. \bBuild$ \b_build/ \bBuild.bat$ \bBuild.COM$ \bBUILD.COM$ \bbuild.com$ # and Module::Build::Tiny generated files \b_build_params$ # Avoid temp and backup files. ~$ \.old$ \#$ \b\.# \.bak$ \.tmp$ \.# \.rej$ \..*\.sw.?$ # Avoid OS-specific files/dirs # Mac OSX metadata \B\.DS_Store # Mac OSX SMB mount metadata files \B\._ # Avoid Devel::Cover and Devel::CoverX::Covered files. \bcover_db\b \bcovered\b # Avoid prove files \B\.prove$ # Avoid MYMETA files ^MYMETA\. #!end included /usr/local/perls/perl-5.22.0/lib/5.22.0/ExtUtils/MANIFEST.SKIP \.releaserc \.lwpcookies \.travis\.yml Math-NoCarry-1.111/META.json000664 000765 000024 00000002501 12652223314 015640 0ustar00brianstaff000000 000000 { "abstract" : "Perl extension for no- carry arithmetic", "author" : [ "brian d foy " ], "dynamic_config" : 1, "generated_by" : "ExtUtils::MakeMaker version 7.04, CPAN::Meta::Converter version 2.140640", "license" : [ "perl_5" ], "meta-spec" : { "url" : "http://search.cpan.org/perldoc?CPAN::Meta::Spec", "version" : "2" }, "name" : "Math-NoCarry", "no_index" : { "directory" : [ "t", "inc" ] }, "prereqs" : { "build" : { "requires" : {} }, "configure" : { "requires" : { "ExtUtils::MakeMaker" : "6.64", "File::Spec::Functions" : "0" } }, "runtime" : { "requires" : { "perl" : "5.008" } }, "test" : { "requires" : { "Test::More" : "0.94" } } }, "release_status" : "stable", "resources" : { "bugtracker" : { "web" : "https://github.com/briandfoy/Math-NoCarry/issues" }, "homepage" : "https://github.com/briandfoy/Math-NoCarry", "repository" : { "type" : "git", "url" : "https://github.com/briandfoy/Math-NoCarry.git", "web" : "https://github.com/briandfoy/Math-NoCarry" } }, "version" : "1.111" } Math-NoCarry-1.111/META.yml000664 000765 000024 00000001316 12652223313 015472 0ustar00brianstaff000000 000000 --- abstract: 'Perl extension for no- carry arithmetic' author: - 'brian d foy ' build_requires: Test::More: '0.94' configure_requires: ExtUtils::MakeMaker: '6.64' File::Spec::Functions: '0' dynamic_config: 1 generated_by: 'ExtUtils::MakeMaker version 7.04, CPAN::Meta::Converter version 2.140640' license: perl meta-spec: url: http://module-build.sourceforge.net/META-spec-v1.4.html version: '1.4' name: Math-NoCarry no_index: directory: - t - inc requires: perl: '5.008' resources: bugtracker: https://github.com/briandfoy/Math-NoCarry/issues homepage: https://github.com/briandfoy/Math-NoCarry repository: https://github.com/briandfoy/Math-NoCarry.git version: '1.111' Math-NoCarry-1.111/README.pod000644 000765 000024 00000006102 12652223311 015654 0ustar00brianstaff000000 000000 =pod =encoding utf8 =head1 The Math::NoCarry module This is the I for the L Perl module. You're probably looking at this because you don't know where else to find what you're looking for. Read this once and you might never have to read one again for any Perl module. =head2 Documentation To read about L, look at the embedded documentation in the module itself. Inside the distribution, you can format it with L: % perldoc lib/Math/NoCarry.pm If you have already installed the module, you can specify the module name instead of the file location: % perldoc Math::NoCarry You can read the documentation and inspect the meta data on one of the CPAN web interfaces, such as L or L: =over 4 =item * L =item * L =back The standard module documentation has example uses in the SYNOPSIS section, but you can also look in the I directory (if it's there), or look at the test files in I. =head2 Installation You can install this module with a CPAN client, which will resolve and install the dependencies: % cpan Math::NoCarry % cpanm Math::NoCarry You can also install directly from the distribution directory, which will also install the dependencies: % cpan . % cpanm . You could install just this module manually: % perl Makefile.PL % make % make test % make install You probably don't want to do that unless you're fiddling with the module and only want to run the tests without installing anything. =head2 Source location The meta data, such as the source repository and bug tracker, is in I or the I files it creates. You can find that on those CPAN web interfaces, but you can also look at files directly in the source repository: =over 4 =item * L =back If you find a problem, file a ticket in the L: =over 4 =item * L =back =head2 Getting help Although I'm happy to hear from module users in private email, that's the best way for me to forget to do something. Besides the issue trackers, you can find help at L or L, both of which have many competent Perlers who can answer your question, almost in real time. They might not know the particulars of this module, but they can help you diagnose your problem. You might like to read L. =head2 Copyright and License You should have received a I file, but the license is also noted in the module files. About the only thing you can't do is pretend that you wrote code that you didn't. =head2 Good luck! Enjoy, brian d foy, bdfoy@cpan.org =cut Math-NoCarry-1.111/t/000755 000765 000024 00000000000 12652223313 014461 5ustar00brianstaff000000 000000 Math-NoCarry-1.111/xt/000755 000765 000024 00000000000 12652223313 014651 5ustar00brianstaff000000 000000 Math-NoCarry-1.111/xt/changes.t000644 000765 000024 00000000203 12652223311 016437 0ustar00brianstaff000000 000000 use Test::More; eval 'use Test::CPAN::Changes'; plan skip_all => 'Test::CPAN::Changes required for this test' if $@; changes_ok(); Math-NoCarry-1.111/t/add.t000644 000765 000024 00000002076 12652223311 015401 0ustar00brianstaff000000 000000 BEGIN { print "1..4\n"; } END { print "not ok\n" unless $loaded } use Math::NoCarry; $loaded = 1; print "ok\n"; my @triads = ( [qw(123 456 579)], [qw(890 135 925)], [qw(456 879 225)], ); eval { foreach my $triad ( @triads ) { my( $n, $m, $expected ) = @$triad; my $sum1 = Math::NoCarry::add( $n, $m ); my $sum2 = Math::NoCarry::add( $m, $n ); die "Different results for different orders!\n" . "[$n + $m] gave [$sum1]\n[$m + $n] gave [$sum2]\n" if $sum1 != $sum2; die "[$n + $m] gave [$sum1], but I expected [$expected]\n" unless $sum1 == $expected; } }; print STDERR $@ if $@; print $@ ? 'not ' : '', "ok\n"; eval { foreach my $triad ( @triads ) { foreach my $n ( @$triad ) { my $sum = Math::NoCarry::add( $n ); die "[$n] gave [$sum], but I expected [$n]\n" unless $sum == $n; } } }; print STDERR $@ if $@; print $@ ? 'not ' : '', "ok\n"; eval { my $sum = Math::NoCarry::add(); die "[NULL] gave [$sum], but I expected [FALSE]\n" if $sum; }; print STDERR $@ if $@; print $@ ? 'not ' : '', "ok\n"; Math-NoCarry-1.111/t/load.t000644 000765 000024 00000000277 12652223311 015571 0ustar00brianstaff000000 000000 BEGIN { @classes = qw(Math::NoCarry); } use Test::More tests => scalar @classes; foreach my $class ( @classes ) { print "bail out! $class did not compile\n" unless use_ok( $class ); } Math-NoCarry-1.111/t/multiply.t000644 000765 000024 00000002330 12652223311 016521 0ustar00brianstaff000000 000000 BEGIN { print "1..4\n"; } END { print "not ok\n" unless $loaded } use Math::NoCarry; $loaded = 1; print "ok\n"; my @triads = ( [qw( 123 456 43878)], [qw(-123 -456 43878)], [qw(-123 456 -43878)], [qw( 123 -456 -43878)], [qw(456 123 43878)], [qw(456 879 28974)], [qw(879 456 28974)], [qw( 890 135 83750)], [qw( 135 890 83750)], [qw(-135 890 -83750)], [qw( 135 -890 -83750)], [qw(-135 -890 83750)], [qw(500 321 50500)], [qw(321 500 50500)], ); eval { foreach my $triad ( @triads ) { my( $n, $m, $expected ) = @$triad; my $product = Math::NoCarry::multiply( $n, $m ); die "[$n x $m] gave [$product], but I expected [$expected]\n" unless $product == $expected; } }; print STDERR $@ if $@; print $@ ? 'not ' : '', "ok\n"; eval { foreach my $triad ( @triads ) { foreach my $n ( @$triad ) { my $product = Math::NoCarry::multiply( $n ); die "[$n] gave [$product], but I expected [$n]\n" unless $product == $n; } } }; print STDERR $@ if $@; print $@ ? 'not ' : '', "ok\n"; eval { my $product = Math::NoCarry::multiply(); die "[NULL] gave [$product], but I expected [FALSE]\n" if $product; }; print STDERR $@ if $@; print $@ ? 'not ' : '', "ok\n"; Math-NoCarry-1.111/t/pod.t000644 000765 000024 00000000201 12652223311 015417 0ustar00brianstaff000000 000000 use Test::More; eval "use Test::Pod 1.00"; plan skip_all => "Test::Pod 1.00 required for testing POD" if $@; all_pod_files_ok(); Math-NoCarry-1.111/t/pod_coverage.t000644 000765 000024 00000000313 12652223311 017276 0ustar00brianstaff000000 000000 use Test::More; eval "use Test::Pod::Coverage"; if( $@ ) { plan skip_all => "Test::Pod::Coverage required for testing POD"; } else { plan tests => 1; pod_coverage_ok( "Math::NoCarry" ); } Math-NoCarry-1.111/t/subtract.t000644 000765 000024 00000002066 12652223311 016477 0ustar00brianstaff000000 000000 BEGIN { print "1..4\n"; } END { print "not ok\n" unless $loaded } use Math::NoCarry; $loaded = 1; print "ok\n"; my @triads = ( [qw(123 456 579)], [qw(890 135 925)], [qw(456 879 225)], ); eval { foreach my $triad ( @triads ) { my( $expected, $m, $n ) = @$triad; my $diff1 = Math::NoCarry::subtract( $n, $m ); my $diff2 = Math::NoCarry::subtract( $n, $expected ); die "[$n - $m] gave [$diff], but I expected [$expected]\n" unless $diff1 == $expected; die "[$n - $expected] gave [$diff], but I expected [$m]\n" unless $diff2 == $m; } }; print STDERR $@ if $@; print $@ ? 'not ' : '', "ok\n"; eval { foreach my $triad ( @triads ) { foreach my $n ( @$triad ) { my $diff = Math::NoCarry::subtract( $n ); die "[$n] gave [$diff], but I expected [$n]\n" unless $diff == $n; } } }; print STDERR $@ if $@; print $@ ? 'not ' : '', "ok\n"; eval { my $diff = Math::NoCarry::subtract(); die "[NULL] gave [$diff], but I expected [FALSE]\n" if $diff; }; print STDERR $@ if $@; print $@ ? 'not ' : '', "ok\n"; Math-NoCarry-1.111/t/test_manifest000644 000765 000024 00000000070 12652223311 017244 0ustar00brianstaff000000 000000 load.t pod.t pod_coverage.t add.t multiply.t subtract.t Math-NoCarry-1.111/lib/Math/000755 000765 000024 00000000000 12652223313 015655 5ustar00brianstaff000000 000000 Math-NoCarry-1.111/lib/Math/NoCarry.pm000644 000765 000024 00000010220 12652223311 017561 0ustar00brianstaff000000 000000 package Math::NoCarry; use strict; use warnings; no warnings; use Exporter qw(import); use vars qw($VERSION @EXPORT_OK %EXPORT_TAGS); @EXPORT_OK = qw(add subtract multiply); %EXPORT_TAGS = ( all => [ @EXPORT_OK ] ); $VERSION = '1.111'; =encoding utf8 =head1 NAME Math::NoCarry - Perl extension for no- carry arithmetic =head1 SYNOPSIS use Math::NoCarry qw(:all); my $sum = add( 123, 456 ); my $difference = subtract( 123, 456 ); my $product = multiply( 123, 456 ); =head1 DESCRIPTION No-carry arithmetic doesn't allow you to carry digits to the next column. For example, if you add 8 and 4, you normally expect the answer to be 12, but that 1 digit is a carry. In no-carry arithmetic you can't do that, so the sum of 8 and 4 is just 2. In effect, this is addition modulo 10 in each column. I discard all of the carry digits in this example: 1234 + 5678 ------ 6802 For multiplication, the result of pair-wise multiplication of digits is the modulo 10 value of their normal, everyday multiplication. 123 x 456 ----- 8 6 x 3 2 6 x 2 6 6 x 1 5 5 x 3 0 5 x 2 5 5 x 1 2 4 x 3 8 4 x 2 + 4 4 x 1 ------- 43878 Since multiplication and subtraction are actually types of additions, you can multiply and subtract like this as well. No carry arithmetic is both associative and commutative. =head2 Functions As of version 1.11, all of these functions are exportable on demand, or with the tag C<:all> to get them all at once. =over 4 =item multiply( A, B ) Returns the no carry product of A and B. Return A if it is the only argument ( A x 1 ); =cut sub multiply { return $_[0] if $#_ < 1; @_ = map { $_ += 0 } @_; my $sign = ($_[0] > 0 and $_[1] < 0 ) || ($_[1] > 0 and $_[0] < 0 ); my @p0 = reverse split //, abs $_[0]; my @p1 = reverse split //, abs $_[1]; my @m; foreach my $i ( 0 .. $#p0 ) { foreach my $j ( 0 .. $#p1 ) { push @m, ( ( $p1[$j] * $p0[$i] ) % 10 ) * ( 10**($i+$j) ); } } while( @m > 1 ) { unshift @m, Math::NoCarry::add( shift @m, shift @m ); } $m[0] *= -1 if $sign; return $m[0]; } =item add( A, B ) Returns the no carry sum of the positive numbers A and B. Returns A if it is the only argument ( A + 0 ) Returns false if either number is negative. =cut sub add { return $_[0] if $#_ < 1; @_ = map { local $^W; $_ += 0 } @_; return unless( $_[0] >= 0 and $_[1] >= 0 ); my @addends = map scalar reverse, @_; my $string = ''; my $max = length $addends[0]; $max = length $addends[1] if length $addends[1] > $max; for( my $i = 0; $i < $max ; $i++ ) { my @digits = map { local $^W = 0; substr( $_, $i, 1) or 0 } @addends; my $sum = ( $digits[0] + $digits[1] ) % 10; $string .= $sum; } $string =~ s/0*$//; $string = scalar reverse $string; return $string; } =item subtract( A, B ) Returns the no carry difference of the postive numbers A and B. Returns A if it is the only argument ( A - 0 ) Returns false if either number is negative. =cut sub subtract { return $_[0] if $#_ < 1; return unless( $_[0] >= 0 and $_[1] >= 0); my @addends = map scalar reverse, @_; my $string = ''; my $max = length $addends[0]; $max = length $addends[1] if length $addends[1] > $max; for( my $i = 0; $i < $max ; $i++ ) { my @digits = map { substr $_, $i, 1 } @addends; $digits[0] += 10 if $digits[0] < $digits[1]; my $sum = ( $digits[0] - $digits[1] ) % 10; $string .= $sum; } return scalar reverse $string; } 1; __END__ =back =head1 BUGS * none reported yet :) =head1 TO DO * this could be a full object package with overloaded +, *, and - operators * it would be nice if I could give the functions more than two arguments. * addition and subtraction don't do negative numbers. =head1 SOURCE AVAILABILITY This source is in GitHub: https://github.com/briandfoy/Math-NoCarry =head1 AUTHOR brian d foy, C<< >> =head1 COPYRIGHT AND LICENSE Copyright © 2002-2016, brian d foy . All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. =cut Math-NoCarry-1.111/examples/README000644 000765 000024 00000000105 12652223311 016706 0ustar00brianstaff000000 000000 See the tests in the t/ directory for examples until I add some more.