Math-BaseCalc-1.019/000755 000765 000024 00000000000 13116160100 013755 5ustar00kenstaff000000 000000 Math-BaseCalc-1.019/Build.PL000644 000765 000024 00000002072 13116160100 015252 0ustar00kenstaff000000 000000 use strict; use warnings; use Module::Build 0.3601; my %module_build_args = ( "build_requires" => { "Module::Build" => "0.3601" }, "configure_requires" => { "ExtUtils::MakeMaker" => "6.30", "Module::Build" => "0.3601" }, "dist_abstract" => "Convert numbers between various bases", "dist_author" => [ "Ken Williams " ], "dist_name" => "Math-BaseCalc", "dist_version" => "1.019", "license" => "perl", "module_name" => "Math::BaseCalc", "recommends" => {}, "recursive_test_files" => 1, "requires" => { "Carp" => 0, "integer" => 0, "strict" => 0 }, "script_files" => [], "test_requires" => { "Test::More" => 0, "warnings" => 0 } ); my %fallback_build_requires = ( "Module::Build" => "0.3601", "Test::More" => 0, "warnings" => 0 ); unless ( eval { Module::Build->VERSION(0.4004) } ) { delete $module_build_args{test_requires}; $module_build_args{build_requires} = \%fallback_build_requires; } my $build = Module::Build->new(%module_build_args); $build->create_build_script; Math-BaseCalc-1.019/Changes000644 000765 000024 00000004211 13116160100 015246 0ustar00kenstaff000000 000000 Revision history for Perl extension Math::BaseCalc. 1.19 - Thu Jun 8 00:20:13 CDT 2017 - No code changes; didn't update the version number correctly in the last release. 1.18 - Sat Jun 3 20:21:33 CDT 2017 - If '.' is part of the digit set, from_base() now deals it properly, by not processing digits after a decimal point. [Atsushi Kato] - Confirmed on Wikipedia that the base64 digit set is correct - Fixed my email address - Switched packaging to use Git::Tag 1.17 - Fri Jun 7 21:54:56 CDT 2013 - Fixed problem that occurs when digits of an M::BC object are changed. [John M. Gamble] - Moved repository from Google Code to GitHub. 1.16 - Fri May 13 22:16:37 CDT 2011 - Added some minimal support for Math::BigInt. 1.15 - Tue May 10 23:34:09 CDT 2011 - Fixed a problem converting very-large numbers (near the integer limits of Perl's native types). [Spotted by Jacob Bunk Nielsen] 1.14 - Sat Feb 26 21:06:25 CST 2011 - Added the ability to use a dash as a valid digit, which turns off recognition of negative numbers. [Nicolas] - Fixed typo in docs. [Takayuki Kawakami] - Updated distribution to use Dist::Zilla. 1.13 - Sat Jan 17 17:23:22 2009 - Fixed a test failure that occurred on some subset of 64-bit machines. [Brian Szymanski, Andreas J. König] - Moved the repository to SVN hosting at code.google.com instead of CVS on my laptop. 1.12 - Thu Jun 26 16:01:32 2008 - Modernized the layout of the distribution, including a lib/ directory, t/ directory, and using Test::More instead of rolling my own TAP function. [Todd E. Rinaldo] 1.011 Sat Mar 09 22:46:07 2002 - Fixed a warning & a couple of tiny doc errors 1.009 Thu Mar 29 21:28:57 EST 2001 - Now supports non-integers. Thanks to jdimov@cis.clarion.edu for idea (though I used a different implementation) - Handles large numbers (bigger than 2^32, or type 'int'). [mizuhara@bellsouth.net (Mizuhara Mokoto)] 1.008 2000/08/28 14:56:09 - Fixed a problem with from_base() and negative numbers. They were being treated as positive numbers. [armengou@fonocom.es (Xavier Armengou)] 1.007 Sun May 23 19:23:33 1999 - original version Math-BaseCalc-1.019/dist.ini000644 000765 000024 00000000535 13116160100 015424 0ustar00kenstaff000000 000000 name = Math-BaseCalc version = 1.019 author = Ken Williams license = Perl_5 copyright_holder = Ken Williams [@Basic] [PkgVersion] [PodVersion] [PruneFiles] match = ~$ match = ^Math- [Signature] [Bugtracker] [Repository] [ModuleBuild] [Test::Perl::Critic] ;[PodCoverageTests] [AutoPrereqs] skip = ^English$ [Git::Tag] Math-BaseCalc-1.019/lib/000755 000765 000024 00000000000 13116160100 014523 5ustar00kenstaff000000 000000 Math-BaseCalc-1.019/LICENSE000644 000765 000024 00000043653 13116160100 014775 0ustar00kenstaff000000 000000 This software is copyright (c) 2017 by Ken Williams. This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. Terms of the Perl programming language system itself a) the GNU General Public License as published by the Free Software Foundation; either version 1, or (at your option) any later version, or b) the "Artistic License" --- The GNU General Public License, Version 1, February 1989 --- This software is Copyright (c) 2017 by Ken Williams. This is free software, licensed under: The GNU General Public License, Version 1, February 1989 GNU GENERAL PUBLIC LICENSE Version 1, February 1989 Copyright (C) 1989 Free Software Foundation, Inc. 51 Franklin St, Suite 500, Boston, MA 02110-1335 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The license agreements of most software companies try to keep users at the mercy of those companies. By contrast, our General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. 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The End Math-BaseCalc-1.019/Makefile.PL000644 000765 000024 00000002235 13116160100 015731 0ustar00kenstaff000000 000000 use strict; use warnings; use ExtUtils::MakeMaker 6.30; my %WriteMakefileArgs = ( "ABSTRACT" => "Convert numbers between various bases", "AUTHOR" => "Ken Williams ", "BUILD_REQUIRES" => { "Module::Build" => "0.3601" }, "CONFIGURE_REQUIRES" => { "ExtUtils::MakeMaker" => "6.30", "Module::Build" => "0.3601" }, "DISTNAME" => "Math-BaseCalc", "EXE_FILES" => [], "LICENSE" => "perl", "NAME" => "Math::BaseCalc", "PREREQ_PM" => { "Carp" => 0, "integer" => 0, "strict" => 0 }, "TEST_REQUIRES" => { "Test::More" => 0, "warnings" => 0 }, "VERSION" => "1.019", "test" => { "TESTS" => "t/*.t" } ); my %FallbackPrereqs = ( "Carp" => 0, "Module::Build" => "0.3601", "Test::More" => 0, "integer" => 0, "strict" => 0, "warnings" => 0 ); unless ( eval { ExtUtils::MakeMaker->VERSION(6.63_03) } ) { delete $WriteMakefileArgs{TEST_REQUIRES}; delete $WriteMakefileArgs{BUILD_REQUIRES}; $WriteMakefileArgs{PREREQ_PM} = \%FallbackPrereqs; } delete $WriteMakefileArgs{CONFIGURE_REQUIRES} unless eval { ExtUtils::MakeMaker->VERSION(6.52) }; WriteMakefile(%WriteMakefileArgs); Math-BaseCalc-1.019/MANIFEST000644 000765 000024 00000000355 13116160100 015111 0ustar00kenstaff000000 000000 Build.PL Changes LICENSE MANIFEST META.yml Makefile.PL README SIGNATURE dist.ini lib/Math/BaseCalc.pm t/01_basic_tests.t t/02_digit_dash.t t/03_large_int.t t/04-bigint.t t/05-trans.t t/06_digit_dot.t t/99_podcoverage.t t/author-critic.t Math-BaseCalc-1.019/META.yml000644 000765 000024 00000001245 13116160100 015230 0ustar00kenstaff000000 000000 --- abstract: 'Convert numbers between various bases' author: - 'Ken Williams ' build_requires: Module::Build: 0.3601 Test::More: 0 warnings: 0 configure_requires: ExtUtils::MakeMaker: 6.30 Module::Build: 0.3601 dynamic_config: 0 generated_by: 'Dist::Zilla version 5.006, CPAN::Meta::Converter version 2.150001' license: perl meta-spec: url: http://module-build.sourceforge.net/META-spec-v1.4.html version: 1.4 name: Math-BaseCalc requires: Carp: 0 integer: 0 strict: 0 resources: bugtracker: http://rt.cpan.org/Public/Dist/Display.html?Name=Math-BaseCalc repository: git://github.com/kenahoo/perl-math-basecalc.git version: 1.019 Math-BaseCalc-1.019/README000644 000765 000024 00000000460 13116160100 014635 0ustar00kenstaff000000 000000 This archive contains the distribution Math-BaseCalc, version 1.019: Convert numbers between various bases This software is copyright (c) 2017 by Ken Williams. This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. Math-BaseCalc-1.019/SIGNATURE000644 000765 000024 00000003362 13116160100 015245 0ustar00kenstaff000000 000000 This file contains message digests of all files listed in MANIFEST, signed via the Module::Signature module, version 0.73. To verify the content in this distribution, first make sure you have Module::Signature installed, then type: % cpansign -v It will check each file's integrity, as well as the signature's validity. 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Becomes a517 which is krap with custom letters"); } { $calc->digits('hex'); my $result = $calc->to_base('-17'); is($result, '-11', "negative decimal (-17) into hex (-11)"); } { $calc->digits('hex'); my $result = $calc->from_base('-11'); is($result, '-17', "negative hex (-11) into decimal (-17)"); } { $calc->digits('hex'); my $result = $calc->from_base('-11.05'); is($result, '-17.01953125', "negative float number in hex to b10 (-11.05 to -17...."); } { $calc->digits([0..6]); my $result = $calc->from_base('0.1'); is($result, (1/7), "base 6 float (.1) converts to decimal (1/7)."); } { # Test large numbers $calc->digits('hex'); my $r1 = $calc->to_base(2**30 + 5); my $result = $calc->from_base($calc->to_base(2**30 + 5)); #warn "res: $r1, $result"; is($result, int(2**30 + 5), "hex (2**30 + 5) into hex then back"); } { $calc->digits('bin'); my $first = $calc->from_base('1110111'); my $second = $calc->from_base('1010110'); my $third = $calc->to_base($first * $second); is($third, '10011111111010', "1110111 x 1010110 = 10011111111010"); } { $calc->digits(['a', 'b', 'c']); my $result = $calc->from_base('-bba'); is($result, '-12', "negative numbers treated correctly"); $calc->digits(['a', 'b', '-']); $result = $calc->from_base('-bba'); is($result, 2*27+9+3, "dash can be a digit"); } Math-BaseCalc-1.019/t/02_digit_dash.t000644 000765 000024 00000001021 13116160100 016777 0ustar00kenstaff000000 000000 #! perl use strict; use warnings; use Test::More tests => 24; use_ok('Math::BaseCalc'); my $calc = new Math::BaseCalc(digits=>[0,1]); isa_ok($calc, "Math::BaseCalc"); my @calcs; push(@calcs, new Math::BaseCalc(digits => [ '0', '&' ])); push(@calcs, new Math::BaseCalc(digits => [ '0', '-' ])); for my $calcX ( @calcs ) { for my $source (0..10) { my $in_base_X = $calcX->to_base( $source ); my $in_base_10 = $calcX->from_base( $in_base_X ); is $in_base_10, $source, "from( to ( $source ) == $source "; } } Math-BaseCalc-1.019/t/03_large_int.t000644 000765 000024 00000001302 13116160100 016647 0ustar00kenstaff000000 000000 use Test::More tests => 4; use strict; use warnings; use Config; use_ok('Math::BaseCalc'); if ($Config{use64bitint} eq 'define') { my $x = do {use integer; 2**63-1}; roundtrip36( $x, '1y2p0ij32e8e7' ); } else { my $x = do {use integer; 2**31-1}; roundtrip36( $x, 'zik0zj' ); } sub roundtrip36 { my ($int, $int_base36) = @_; my $calc36 = new Math::BaseCalc(digits=>[0..9,'a'..'z']); my $base36 = $calc36->to_base($int); is($base36, $int_base36, "to_base has done proper conversion of $int"); my $int2 = $calc36->from_base($base36); is($int2, $int, "$int has roundtripped"); $int2 = $calc36->from_base($int_base36); is($int2, $int, "from_base correct for $int_base36 ($int)"); } Math-BaseCalc-1.019/t/04-bigint.t000644 000765 000024 00000001272 13116160100 016104 0ustar00kenstaff000000 000000 use Test::More; use strict; use warnings; eval "use Math::BigInt"; if ($@) { plan skip_all => "Requires Math::BigInt"; } else { plan tests => 4; } use_ok('Math::BaseCalc'); my $bignum = Math::BigInt->new(2) ** 120 + 7; roundtrip36( $bignum, '24q5bylddqo566k7npiubn5z' ); sub roundtrip36 { my ($num, $expect) = @_; my $calc36 = new Math::BaseCalc(digits=>[0..9,'a'..'z']); my $base36 = $calc36->to_base($num); is($base36, $expect, "to_base has done proper conversion of $num"); my $num2 = $calc36->from_base($base36); is($num2, $num->numify, "$num has roundtripped"); $num2 = $calc36->from_base($expect); is($num2, $num->numify, "from_base correct for $expect ($num)"); } Math-BaseCalc-1.019/t/05-trans.t000644 000765 000024 00000001471 13116160100 015761 0ustar00kenstaff000000 000000 #!/usr/bin/perl use strict; use Math::BaseCalc; use warnings; use Test::More; plan tests => 7; { # Create a base 30 BaseCalc object, then downshift it to base 27. my $x = Math::BaseCalc->new(digits=>['0'..'7']); is($x->to_base(76), '114'); # $x->digits(['0', 'a'..'z']) -- using digits(), change to base 27: 0 plus a to z $x->digits(['0', 'a'..'z']); is($x->to_base(7648), 'jmg'); is($x->from_base('jmg'), 7648); is($x->from_base('114'), undef); # Should be undef due to digits not in base string } { # This time create a base 27 BaseCalc object and do not change the digits and base. my $x = Math::BaseCalc->new(digits=>['0', 'a'..'z']); is($x->to_base(7648), 'jmg'); is($x->from_base('jmg'), 7648); is($x->from_base('114'), undef); # Should be undef due to digits not in base string } Math-BaseCalc-1.019/t/06_digit_dot.t000644 000765 000024 00000001021 13116160100 016652 0ustar00kenstaff000000 000000 #! perl use strict; use warnings; use Test::More tests => 24; use_ok('Math::BaseCalc'); my $calc = new Math::BaseCalc(digits=>[0,1]); isa_ok($calc, "Math::BaseCalc"); my @calcs; push(@calcs, new Math::BaseCalc(digits => [ '0', '&' ])); push(@calcs, new Math::BaseCalc(digits => [ '0', '.' ])); for my $calcX ( @calcs ) { for my $source (0..10) { my $in_base_X = $calcX->to_base( $source ); my $in_base_10 = $calcX->from_base( $in_base_X ); is $in_base_10, $source, "from( to ( $source ) == $source "; } } Math-BaseCalc-1.019/t/99_podcoverage.t000644 000765 000024 00000000357 13116160100 017231 0ustar00kenstaff000000 000000 use strict; use warnings; use Test::More; eval "use Test::Pod::Coverage 1.04"; plan skip_all => 'Test::Pod::Coverage 1.04 required' if $@; plan skip_all => 'set TEST_POD to enable this test' unless $ENV{TEST_POD}; all_pod_coverage_ok(); Math-BaseCalc-1.019/t/author-critic.t000644 000765 000024 00000000666 13116160100 017172 0ustar00kenstaff000000 000000 #!perl BEGIN { unless ($ENV{AUTHOR_TESTING}) { require Test::More; Test::More::plan(skip_all => 'these tests are for testing by the author'); } } use strict; use warnings; use Test::More; use English qw(-no_match_vars); eval "use Test::Perl::Critic"; plan skip_all => 'Test::Perl::Critic required to criticise code' if $@; Test::Perl::Critic->import( -profile => "perlcritic.rc" ) if -e "perlcritic.rc"; all_critic_ok(); Math-BaseCalc-1.019/lib/Math/000755 000765 000024 00000000000 13116160100 015414 5ustar00kenstaff000000 000000 Math-BaseCalc-1.019/lib/Math/BaseCalc.pm000644 000765 000024 00000013417 13116160100 017415 0ustar00kenstaff000000 000000 use strict; package Math::BaseCalc; { $Math::BaseCalc::VERSION = '1.019'; } use Carp; sub new { my ($pack, %opts) = @_; my $self = bless {}, $pack; $self->{has_dash} = 0; $self->digits($opts{digits}); return $self; } sub digits { my $self = shift; if (@_) { # Set the value if (ref $_[0]) { $self->{digits} = [ @{ shift() } ]; } else { my $name = shift; my %digitsets = $self->_digitsets; croak "Unrecognized digit set '$name'" unless exists $digitsets{$name}; $self->{digits} = $digitsets{$name}; } foreach my $digit (@{$self->{digits}}) { if ($digit eq '-') { $self->{has_dash} = 1; } elsif ($digit eq '.') { $self->{has_dot} = 1; } } $self->{trans} = {}; # Build the translation table back to numbers @{$self->{trans}}{@{$self->{digits}}} = 0..$#{$self->{digits}}; } return @{$self->{digits}}; } sub _digitsets { return ( 'bin' => [0,1], 'hex' => [0..9,'a'..'f'], 'HEX' => [0..9,'A'..'F'], 'oct' => [0..7], '64' => ['A'..'Z','a'..'z',0..9,'+','/'], '62' => [0..9,'a'..'z','A'..'Z'], ); } sub from_base { my $self = shift; return -1*$self->from_base(substr($_[0],1)) if !$self->{has_dash} && $_[0] =~ /^-/; # Handle negative numbers my $str = shift; my $dignum = @{$self->{digits}}; # Deal with stuff after the decimal point my $add_in = 0; if (!$self->{has_dot} && $str =~ s/\.(.+)//) { $add_in = $self->from_base(reverse $1)/$dignum**length($1); } $str = reverse $str; my $result = 0; my $trans = $self->{trans}; while (length $str) { ## no critic return undef unless exists $trans->{substr($str,0,1)}; # For large numbers, force result to be an integer (not a float) $result = int($result*$dignum + $trans->{chop $str}); } # The bizarre-looking next line is necessary for proper handling of very large numbers return $add_in ? $result + $add_in : $result; } sub to_base { my ($self,$num) = @_; return '-'.$self->to_base(-1*$num) if $num<0; # Handle negative numbers my $dignum = @{$self->{digits}}; my $result = ''; while ($num>0) { substr($result,0,0) = $self->{digits}[ $num % $dignum ]; use integer; $num /= $dignum; #$num = (($num - ($num % $dignum))/$dignum); # An alternative to the above } return length $result ? $result : $self->{digits}[0]; } 1; __END__ =head1 NAME Math::BaseCalc - Convert numbers between various bases =head1 VERSION version 1.019 =head1 SYNOPSIS use Math::BaseCalc; my $calc = new Math::BaseCalc(digits => [0,1]); #Binary my $bin_string = $calc->to_base(465); # Convert 465 to binary $calc->digits('oct'); # Octal my $number = $calc->from_base('1574'); # Convert octal 1574 to decimal =head1 DESCRIPTION This module facilitates the conversion of numbers between various number bases. You may define your own digit sets, or use any of several predefined digit sets. The to_base() and from_base() methods convert between Perl numbers and strings which represent these numbers in other bases. For instance, if you're using the binary digit set [0,1], $calc->to_base(5) will return the string "101". $calc->from_base("101") will return the number 5. To convert between, say, base 7 and base 36, use the 2-step process of first converting to a Perl number, then to the desired base for the result: $calc7 = new Math::BaseCalc(digits=>[0..6]); $calc36 = new Math::BaseCalc(digits=>[0..9,'a'..'z']); $in_base_36 = $calc36->to_base( $calc7->from_base('3506') ); If you just need to handle regular octal & hexdecimal strings, you probably don't need this module. See the sprintf(), oct(), and hex() Perl functions. =head1 METHODS =over 4 =item * new Math::BaseCalc =item * new Math::BaseCalc(digits=>...) Create a new base calculator. You may specify the digit set to use, by either giving the digits in a list reference (in increasing order, with the 'zero' character first in the list) or by specifying the name of one of the predefined digit sets (see the digit() method below). If your digit set includes the character C<->, then a dash at the beginning of a number will no longer signify a negative number. =item * $calc->to_base(NUMBER) Converts a number to a string representing that number in the associated base. If C is a C object, C will still work fine and give you an exact result string. =item * $calc->from_base(STRING) Converts a string representing a number in the associated base to a Perl integer. The behavior when fed strings with characters not in $calc's digit set is currently undefined. If C converts to a number too large for perl's integer representation, beware that the result may be auto-converted to a floating-point representation and thus only be an approximation. =item * $calc->digits =item * $calc->digits(...) Get/set the current digit set of the calculator. With no arguments, simply returns a list of the characters that make up the current digit set. To change the current digit set, pass a list reference containing the new digits, or the name of a predefined digit set. Currently the predefined digit sets are: bin => [0,1], hex => [0..9,'a'..'f'], HEX => [0..9,'A'..'F'], oct => [0..7], 64 => ['A'..'Z','a'..'z',0..9,'+','/'], 62 => [0..9,'a'..'z','A'..'Z'], Examples: $calc->digits('bin'); $calc->digits([0..7]); $calc->digits([qw(w a l d o)]); If any of your "digits" has more than one character, the behavior is currently undefined. =back =head1 AUTHOR Ken Williams, kwilliams@cpan.org =head1 COPYRIGHT This is free software in the colloquial nice-guy sense of the word. Copyright (c) 1999, Ken Williams. You may redistribute and/or modify it under the same terms as Perl itself. =head1 SEE ALSO perl(1). =cut