Math-NoCarry-1.117/0000755000076500000240000000000014777035231012756 5ustar brianstaffMath-NoCarry-1.117/LICENSE0000644000076500000240000002173414777035231013772 0ustar brianstaffThe Math::NoCarry module is licensed under the same terms as perl itself, under the Artistic License 2.0. Artistic License 2.0 Copyright (c) 2000-2006, The Perl Foundation. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble ******** This license establishes the terms under which a given free software Package may be copied, modified, distributed, and/or redistributed. The intent is that the Copyright Holder maintains some artistic control over the development of that Package while still keeping the Package available as open source and free software. You are always permitted to make arrangements wholly outside of this license directly with the Copyright Holder of a given Package. 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UNLESS REQUIRED BY LAW, NO COPYRIGHT HOLDER OR CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Math-NoCarry-1.117/Changes0000644000076500000240000000252714777035231014257 0ustar brianstaffRevision history for Perl module Math::NoCarry 1.117 2025-04-13T22:28:40Z * require a newer version.pm for v5.10.1 tests 1.116 2025-01-05T10:36:36Z * refresh distro and move to BRIANDFOY 1.115 2024-01-28T09:09:07Z * refresh distro, update email address 1.114 2022-01-08T22:38:06Z * No code changes. Fix a link in README.pod. 1.113 2021-01-13T06:22:25Z * freshen distro, remove Travis CI, use Github Actions 1.112 2018-05-24T14:14:51Z * Change to Artistic License 2.0 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-1.117/MANIFEST0000644000076500000240000000063114777035232014110 0ustar brianstaffChanges examples/README INSTALL.SKIP lib/Math/NoCarry.pm LICENSE Makefile.PL MANIFEST This list of files MANIFEST.SKIP README.pod SECURITY.md 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-1.117/t/0000755000076500000240000000000014777035231013221 5ustar brianstaffMath-NoCarry-1.117/t/pod.t0000644000076500000240000000020114777035231014161 0ustar brianstaffuse 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-1.117/t/multiply.t0000644000076500000240000000233014777035231015263 0ustar brianstaffBEGIN { 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-1.117/t/load.t0000644000076500000240000000027714777035231014333 0ustar brianstaffBEGIN { @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-1.117/t/add.t0000644000076500000240000000207614777035231014143 0ustar brianstaffBEGIN { 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-1.117/t/subtract.t0000644000076500000240000000206614777035231015241 0ustar brianstaffBEGIN { 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-1.117/t/test_manifest0000644000076500000240000000007014777035231016006 0ustar brianstaffload.t pod.t pod_coverage.t add.t multiply.t subtract.t Math-NoCarry-1.117/t/pod_coverage.t0000644000076500000240000000031314777035231016040 0ustar brianstaffuse 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-1.117/xt/0000755000076500000240000000000014777035231013411 5ustar brianstaffMath-NoCarry-1.117/xt/changes.t0000644000076500000240000000020314777035231015201 0ustar brianstaffuse Test::More; eval 'use Test::CPAN::Changes'; plan skip_all => 'Test::CPAN::Changes required for this test' if $@; changes_ok(); Math-NoCarry-1.117/README.pod0000644000076500000240000001132414777035231014420 0ustar brianstaff=pod =encoding utf8 =for HTML =for HTML =for HTML =for HTML =for HTML Coverage Status =for HTML =for HTML =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 L. 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: L If you find a problem, file a ticket in the L. There are also backup repositories hosted on other services. These reflect the state of the main repo and exist only for redundancy: =over 4 =item * L =item * L =item * L =back =head2 GitHub Attestations This distribution now uses L, which allow you to verify that the archive file you have was made from the official repo. You need a GitHub account and the L. # download the distro file from GitHub, MetaCPAN, or a CPAN mirror $ gh auth login ...follow instructions... $ gh attestation verify Math-NoCarry-1.23.tar.gz --owner briandfoy =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, briandfoy@pobox.com =cut Math-NoCarry-1.117/MANIFEST.SKIP0000644000076500000240000000233414777035231014656 0ustar brianstaff #!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 \.appveyor\.yml \bMANIFEST\s\d \bChanges\s\d \.icloud$ \A\.github\b \.gitattributes\b Math-NoCarry-1.117/examples/0000755000076500000240000000000014777035231014574 5ustar brianstaffMath-NoCarry-1.117/examples/README0000644000076500000240000000010514777035231015450 0ustar brianstaffSee the tests in the t/ directory for examples until I add some more.Math-NoCarry-1.117/META.yml0000664000076500000240000000145714777035231014240 0ustar brianstaff--- abstract: 'Perl extension for no-carry arithmetic' author: - 'brian d foy ' build_requires: Test::More: '1' version: '0.86' configure_requires: ExtUtils::MakeMaker: '6.64' File::Spec::Functions: '0' dynamic_config: 1 generated_by: 'ExtUtils::MakeMaker version 7.70, CPAN::Meta::Converter version 2.150010' license: artistic_2 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' version: '0.86' resources: bugtracker: https://github.com/briandfoy/math-nocarry/issues homepage: https://github.com/briandfoy/math-nocarry repository: https://github.com/briandfoy/math-nocarry version: '1.117' x_serialization_backend: 'CPAN::Meta::YAML version 0.018' Math-NoCarry-1.117/lib/0000755000076500000240000000000014777035231013524 5ustar brianstaffMath-NoCarry-1.117/lib/Math/0000755000076500000240000000000014777035231014415 5ustar brianstaffMath-NoCarry-1.117/lib/Math/NoCarry.pm0000644000076500000240000001026614777035231016335 0ustar brianstaffpackage Math::NoCarry; use strict; use warnings; no warnings; use Exporter qw(import); our @EXPORT_OK = qw(add subtract multiply); our %EXPORT_TAGS = ( all => [ @EXPORT_OK ] ); our $VERSION = '1.117'; =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 positive 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 =over 4 =item * none reported yet :) =back =head1 TO DO =over 4 =item * this could be a full object package with overloaded +, *, and - operators =item * it would be nice if I could give the functions more than two arguments. =item * addition and subtraction don't do negative numbers. =back =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 © 2002-2025, brian d foy . All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the Artistic License 2.0. =cut Math-NoCarry-1.117/Makefile.PL0000644000076500000240000000517114777035231014734 0ustar brianstaffpackage 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' => 'artistic_2', 'AUTHOR' => 'brian d foy ', 'CONFIGURE_REQUIRES' => { 'ExtUtils::MakeMaker' => '6.64', 'File::Spec::Functions' => '0', }, 'BUILD_REQUIRES' => { }, 'TEST_REQUIRES' => { 'Test::More' => '1', 'version' => '0.86', }, 'PREREQ_PM' => { 'version' => '0.86', }, 'META_MERGE' => { 'meta-spec' => { version => 2 }, resources => { repository => { type => 'git', url => $github, 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-1.117/INSTALL.SKIP0000644000076500000240000000015614777035231014556 0ustar brianstaffREADME\.pod README.* # things that might be in local directories after fooling # around with them \.DS_Store Math-NoCarry-1.117/SECURITY.md0000644000076500000240000000222514777035231014550 0ustar brianstaff# Security Policy for Math::NoCarry ## Reporting security issues **Do not report security problems on public forums or in repository issues.** Privately report vulnerabilities to the maintainers listed at the end of this document. Include as many details as possible to reproduce the issue, including code samples or test cases. Check that your report does not expose any of your sensitive data, such as passwords, tokens, or other secrets. You do not need to have a solution or fix. Depending on the issue, CPANSec may be notified. You can also privately report issues to the CPAN Security Group (CPANSec) . This is especially important if you think a vulnerability is being actively exploited. CPANSec may report the issue to the relevant authorities. See [Report a Security Issue](https://security.metacpan.org/docs/report.html). ## Response to reports The maintainers aim to respond to all reports within one day, but this may be affected by life and other things that happen to people who maintain open source code. A new release will be provided as soon as possible. ## Maintainers * brian d foy, Math-NoCarry-1.117/META.json0000664000076500000240000000267014777035231014406 0ustar brianstaff{ "abstract" : "Perl extension for no-carry arithmetic", "author" : [ "brian d foy " ], "dynamic_config" : 1, "generated_by" : "ExtUtils::MakeMaker version 7.70, CPAN::Meta::Converter version 2.150010", "license" : [ "artistic_2" ], "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", "version" : "0.86" } }, "test" : { "requires" : { "Test::More" : "1", "version" : "0.86" } } }, "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", "web" : "https://github.com/briandfoy/math-nocarry" } }, "version" : "1.117", "x_serialization_backend" : "JSON::PP version 4.16" }