Math-BaseCnv-1.14/0000755000175000017500000000000012747113312012012 5ustar pippipMath-BaseCnv-1.14/MANIFEST.SKIP0000644000175000017500000000013012745213562013710 0ustar pippip\bCVS\b ^Makefile$ ^MANIFEST\.bak$ ^updt.*$ \.bak$ \.swp$ \..*\.swp$ \b\.xvpics\b \# ~$ Math-BaseCnv-1.14/Makefile.PL0000644000175000017500000000157712747112123013775 0ustar pippipuse ExtUtils::MakeMaker; WriteMakefile( 'NAME' => 'Math::BaseCnv', # 'VERSION_FROM' => 'lib/Math/BaseCnv.pm', 'VERSION' => '1.14', # 'ABSTRACT_FROM' => 'lib/Math/BaseCnv.pm', 'ABSTRACT' => 'basic functions to CoNVert between number Bases', 'LICENSE' => 'gpl_3', 'AUTHOR' => [ 'Pip Stuart ' ], 'EXE_FILES' => [ 'bin/cnv' ], 'TEST_REQUIRES' => { 'Test' => 0, 'Test::More' => 0, 'Test::Pod' => 0, 'Test::Pod::Coverage' => 0, }, # Module::Name => 1.1, 'PREREQ_PM' => { 'Math::BigInt' => 0, 'Memoize' => 0, 'Carp' => 0, }, 'dist' => { 'COMPRESS' => 'gzip', 'SUFFIX' => '.tgz' }, ); Math-BaseCnv-1.14/ex/0000755000175000017500000000000012747113244012432 5ustar pippipMath-BaseCnv-1.14/ex/synopsis.pl0000644000175000017500000000075612745217774014701 0ustar pippip#!/usr/bin/perl use strict;use warnings;use utf8;use v5.10;use Math::BaseCnv; # CoNVert 63 from base-10 (decimal) to base- 2 (binary ) my $binary__63 = cnv( 63 , 10, 2 ); # CoNVert 111111 from base- 2 (binary ) to base-16 (HEX ) my $HEX_____63 = cnv( 111111 , 2, 16 ); # CoNVert 3F from base-16 (HEX ) to base-10 (decimal) my $decimal_63 = cnv( '3F', 16, 10 ); say "63 dec->bin $binary__63 bin->HEX $HEX_____63 HEX->dec $decimal_63"; Math-BaseCnv-1.14/Changes0000644000175000017500000001002712747113200013301 0ustar pippipCHANGES Revision history for Perl extension Math::BaseCnv: - 1.14 G7UM6iSk Sat Jul 30 06:44:28:46 -0500 2016 * synchronized README and Changes to updated POD - 1.12 G7OMKBCn Sun Jul 24 20:11:12:49 -0500 2016 * added digit set 'b96' as a reordering of 'asc' - 1.10 G7OMF3ZT Sun Jul 24 15:03:35:29 -0500 2016 * added new digit sets from Math::Base::Convert * switched all old hex() to distinct new heX() and updated POD to reflect * fixed META license to match POD and resolve issue: (Thanks again xenoterracide.) * removed PT from VERSION to resolve issue: (Thanks Alexandr.) - 1.8.B59BrZX Mon May 9 11:53:35:33 2011 * updated 'url' digit set to URLSafe to resolve (Thanks xenoterracide.) * updated license copyright years (already had GPLv3) - 1.6.A6FGHKE Tue Jun 15 16:17:20:14 2010 * bumped minor version number so they'll keep ascending (without PT comprehension) - 1.4.A6FAbEb Tue Jun 15 10:37:14:37 2010 * added Math::BigInt code for >64-bit number-base conversions * added a bunch more DigitSets: IRCu, URL, RegEx, identifier variants, XML Nmtoken, and XML ID Name - 1.4.75O6Pbr Thu May 24 06:25:37:53 2007 * added Test::Pod(::Coverage)? tests and PREREQ entries * added b85 for IPv6, generated META.yml (with needed newline before EOF) and updated minor version number - 1.2.68J9uJQ Sat Aug 19 09:56:19:26 2006 * added b64sort() and put POD at bottom - 1.2.59M7mRX Thu Sep 22 07:48:27:33 2005 * testing Make as primary and BuildPL backup (needing rename for dot) - 1.2.59IBlgw Sun Sep 18 11:47:42:58 2005 * testing just using Module::Build instead of MakeMaker * fixed test 12 which was failing on AMD64 * added Build.PL to package - 1.2.54HK3pB Sun Apr 17 20:03:51:11 2005 * removed 128 digit-set since some high-bit characters cause problems on Win32 * made bin/cnv only executable to go in EXE_FILES * made Math::BaseCalc a link in POD and updated License - 1.2.45UC8fo Sun May 30 12:08:41:50 2004 * tidied POD and increased minor version number since CPAN can't read PT in VERSION - 1.0.44E9ljP Wed Apr 14 09:47:45:25 2004 * added test for divide-by-zero error in choo() * added summ() - 1.0.446EIbS Tue Apr 6 14:18:37:28 2004 * snuck in fact() and choo() - 1.0.42REDir Fri Feb 27 14:13:44:53 2004 * changed test.pl to hopefully pass MSWin32-x86-multi-thread - 1.0.428LV46 Sun Feb 8 21:31:04:06 2004 * broke apart CHANGES to descend chronologically * made dec() auto uppercase param since dec(a) was returning 36 instead of 10 - 1.0.41M4GMP Thu Jan 22 04:16:22:25 2004 * put cnv in bin/ as EXE_FILES - 1.0.418BEPc Thu Jan 8 11:14:25:38 2004 * testing new e auto-generate MANIFEST(.SKIP)? - 1.0.3CNH37s Tue Dec 23 17:03:07:54 2003 * updated POD - 1.0.3CG3dIx Tue Dec 16 03:39:18:59 2003 * normalized base spelling - 1.0.3CD1Vdd Sat Dec 13 01:31:39:39 2003 * added ABSTRACT section to WriteMakeFile() * changed synopsis example * updated all POD indenting - 1.0.3CCA5Mi Fri Dec 12 10:05:22:44 2003 * removed indenting from POD NAME field - 1.0.3CB7M43 Thu Dec 11 07:22:04:03 2003 * updated package to coincide with Time::Fields release - 1.0.39B36Lv Thu Sep 11 03:06:21:57 2003 * synchronized POD with README documentation using new e utility * templatized package compilation * fixed boundary bugs - 1.0.37SLNGN Mon Jul 28 21:23:16:23 2003 * first version (and my first Perl module... yay!) put on CPAN - 1.0.37JKj3w Sat Jul 19 20:45:03:58 2003 * reworked interface from shell utility to package - 1.0.3159mLT Sun Jan 5 09:48:21:29 2003 * original version Math-BaseCnv-1.14/Build.PL0000644000175000017500000000217512747112112013310 0ustar pippip#!/usr/bin/perl use Module::Build; my $mbld = Module::Build->new( # 'module_name' => 'Math::BaseCnv', 'dist_name' => 'Math-BaseCnv', # 'dist_version_from' => 'BaseCnv.pm', 'dist_version' => '1.14', 'dist_abstract' => 'basic functions to CoNVert between number Bases', 'dist_author' => 'Pip Stuart ', # 'create_readme' => '1', # 'create_makefile_pl' => '1', # 'traditional', 'license' => 'gpl_3', 'script_files' => { 'bin/cnv' => '1', }, 'pm_files' => { 'BaseCnv.pm' => 'lib/Math/BaseCnv.pm', }, 'requires' => { 'Test' => '0', 'Test::More' => '0', 'Test::Pod' => '0', 'Test::Pod::Coverage' => '0', 'Math::BigInt' => '0', 'Memoize' => '0', 'Carp' => '0', }, ); $mbld->create_build_script(); Math-BaseCnv-1.14/META.json0000664000175000017500000000206212747113272013442 0ustar pippip{ "abstract" : "basic functions to CoNVert between number Bases", "author" : [ "Pip Stuart " ], "dynamic_config" : 1, "generated_by" : "ExtUtils::MakeMaker version 7.04, CPAN::Meta::Converter version 2.150001", "license" : [ "gpl_3" ], "meta-spec" : { "url" : "HTTP://Search.CPAN.Org/perldoc?CPAN::Meta::Spec", "version" : "2" }, "name" : "Math-BaseCnv", "no_index" : { "directory" : [ "t", "inc" ] }, "prereqs" : { "build" : { "requires" : { "ExtUtils::MakeMaker" : "0", "Test" : "0", "Test::More" : "0", "Test::Pod" : "0", "Test::Pod::Coverage" : "0" } }, "configure" : { "requires" : { "ExtUtils::MakeMaker" : "0" } }, "runtime" : { "requires" : { "Carp" : "0", "Math::BigInt" : "0", "Memoize" : "0" } } }, "release_status" : "stable", "version" : "1.14" } Math-BaseCnv-1.14/t/0000755000175000017500000000000012747113244012261 5ustar pippipMath-BaseCnv-1.14/t/00pod.t0000644000175000017500000000034512745214674013401 0ustar pippipuse Test::More; eval 'use Test::Pod 1.00 tests => 1'; plan skip_all => 'Test::Pod 1.00 required for testing POD' if $@; #my @pdrs = qw(. blib); #all_pod_files_ok(all_pod_files(@pdrs)); pod_file_ok('BaseCnv.pm','Valid POD file'); Math-BaseCnv-1.14/t/02base.t0000644000175000017500000001174612745216217013535 0ustar pippip#!/usr/bin/perl # 37KK2jPD:02base.t created by PipStuart to validate Math::BaseCnv functionality. # This script mimics Ken Williams' test cases for his Math::BaseCalc module. I have included dig() function calls with most # tests out of respect for BaseCalc even though the only necessary calls are the ones that set the digits to something other than '0'..'9', 'A'..'Z' # since my Math::BaseCnv diginit() function initializes the digit list with good characters for any small common number bases. My benchmarks showed # BaseCnv to require about 3/4ths of the execution time needed by BaseCalc when including all the unnecessary dig() calls && about twice as fast when # dig() is only called when it must be. BaseCalc may not need all the $calc->digits() calls either though so that last one is probably an unfair # performance comparison. Besides speed, conversion functions make more sense to me than objects since I want to use them so frequently... even if # Perl's hex() built-in was the opposite behavior of mine (but now mine is called heX() to distinguish). # Before `make install' is performed this script should be run with `make test'. After `make install' it should work as `perl 02base.t`. use strict;use warnings;use utf8;use Test;use Math::BaseCnv qw(:all); my $calc;my $rslt;my $tnum=1;my $lded=1;my $tvrb=0;my $tsts=31; END { print "not " unless($lded); print "ok $tsts\n"; } plan('tests' => $tsts); &rprt(1); sub rprt { # prints a rprt of test progress my $badd = !shift(); print 'not ' if($badd); print "ok ", $tnum++, "\n"; print @_ if(($ENV{'TEST_VERBOSE'} || $tvrb) && $badd);} #$calc = new Math::BaseCalc(digits=>[0,1]); dig( [ '0', '1' ] ); $calc = 2; &rprt($calc); #$rslt = $calc->from_base('01101'); $rslt = cnv('01101', 2, 10); &rprt($rslt == 13, "$rslt\n"); #$calc->digits('bin'); #$rslt = $calc->from_base('1101'); dig('bin'); $rslt = cnv('1101', 2, 10); &rprt($rslt == 13, "$rslt\n"); #$rslt = $calc->to_base(13); $rslt = cnv(13, 2); # omitting last param assumes first is already 10 to ? &rprt($rslt eq '1101', "$rslt\n"); #$calc->digits('hex'); #$rslt = $calc->to_base(46); dig('heX'); $rslt = heX(46); &rprt($rslt eq '2e', "$rslt\n"); #$calc->digits([qw(i a m v e r y p u n k)]); #$rslt = $calc->to_base(13933); dig( [ qw(i a m v e r y p u n k) ] ); #$rslt = cnv(13933, 10, 11); $rslt = cnv(13933, scalar( dig() )); # empty dig() returns the char array &rprt($rslt eq 'krap', "$rslt\n"); #$calc->digits('hex'); #$rslt = $calc->to_base('-17'); dig('heX'); $rslt = heX(-17); &rprt($rslt eq '-11', "$rslt\n"); #$calc->digits('hex'); #$rslt = $calc->from_base('-11'); dig('heX'); $rslt = dec(-11); &rprt($rslt eq '-17', "$rslt\n"); # no usable fractions in b8 yet! ... # $calc->digits('hex'); # $rslt = $calc->from_base('-11.05'); # &rprt($rslt eq '-17.01953125', "$rslt\n"); # $calc->digits([0..6]); # $rslt = $calc->from_base('0.1'); # &rprt($rslt eq (1/7), "$rslt\n"); # ... so do two more dig tests instead dig( [ qw(i a m v e r y p u n k) ] ); $rslt = cnv(13542, scalar( dig() )); &rprt($rslt eq 'kaka', "$rslt\n"); dig( [ qw( n a c h o z y u m ) ] ); $rslt = cnv(lc('MunchYummyNachoChz'), 9, 10) / (10**17); $rslt = substr($rslt, 0, 10); &rprt($rslt eq '1.46443919', "$rslt\n"); # Test large numbers && dec/heX functions #$calc->digits('hex'); #my $r1 = $calc->to_base(2**55 + 5); #$rslt = $calc->from_base($calc->to_base(2**55 + 5)); #warn "res: $r1, $rslt"; dig('heX'); $calc = heX(2**5 + 5); $rslt = dec(heX(2**5 + 5)); &rprt($rslt eq (2**5 + 5), "$rslt\n"); #$calc->digits('bin'); #my $first = $calc->from_base('1110111'); #my $second = $calc->from_base('1010110'); #my $third = $calc->to_base($first * $second); dig('bin'); my $first = cnv('1110111', 2, 10); my $second = cnv('1010110', 2, 10); my $third = cnv(($first * $second), 2); &rprt($third eq '10011111111010', "$third\n"); # Test b10/b64 functions diginit(); $rslt = b64(1234567890); # 10 base10 digits is only 6 bass64 digits &rprt($rslt eq '19bWBI', "$rslt\n"); $rslt = b10('TheBootyBoys.com') / (10**28); # Around The Corner =) $rslt = substr($rslt, 0, 10); &rprt($rslt eq '3.67441470', "$rslt\n"); $rslt = b10(b64( 127)); &rprt($rslt eq '127', "$rslt\n"); $rslt = b10(b64( 4096)); &rprt($rslt eq '4096', "$rslt\n"); $rslt = b10(b64( 65535)); &rprt($rslt eq '65535', "$rslt\n"); $rslt = fact(3); &rprt($rslt eq '6', "$rslt\n"); $rslt = fact(4); &rprt($rslt eq '24', "$rslt\n"); $rslt = fact(7); &rprt($rslt eq '5040', "$rslt\n"); $rslt = fact(8); &rprt($rslt eq '40320', "$rslt\n"); $rslt = choo(7, 3); &rprt($rslt eq '35', "$rslt\n"); $rslt = choo(15, 7); &rprt($rslt eq '6435', "$rslt\n"); $rslt = choo(16, 8); &rprt($rslt eq '12870', "$rslt\n"); $rslt = choo(127, 3); &rprt($rslt eq '333375', "$rslt\n"); $rslt = summ(7); &rprt($rslt eq '28', "$rslt\n"); $rslt = summ(8); &rprt($rslt eq '36', "$rslt\n"); $rslt = summ(15); &rprt($rslt eq '120', "$rslt\n"); $rslt = summ(127); &rprt($rslt eq '8128', "$rslt\n"); Math-BaseCnv-1.14/t/01podc.t0000644000175000017500000000037012745215002013525 0ustar pippipuse Test::More; eval 'use Test::Pod::Coverage'; plan skip_all => 'Test::Pod::Coverage required for testing POD Coverage' if $@; plan tests => 1; pod_coverage_ok('Math::BaseCnv', {'also_private' => [qr/^(cnv(10|__)+|bs2init)$/]}, 'POD Covered'); Math-BaseCnv-1.14/bin/0000755000175000017500000000000012747113244012566 5ustar pippipMath-BaseCnv-1.14/bin/cnv0000755000175000017500000000152512745214615013307 0ustar pippip#!/usr/bin/perl # 315JEHVb:cnv (CoNVert number bases) created by Pip Stuart as part of the Math::BaseCnv package. # If you only supply a number, it will convert to HEX if it's decimal and decimal if it contains only valid HEX digits. If you just provide one # base parameter, it assumes that your number is already base10 and that you've supplied the ToBase. Otherwise, you need from and to parameters. # Examples: `cnv 127 10 16` == "7F" # `cnv 7F 16 3` == "11201" # `cnv 11201 3 7` == "241" # `cnv 241 7 10` == "127" # Eror checking is minimal. use strict;use warnings;use utf8;use Math::BaseCnv; my $numb=shift;die("USAGE: `cnv `\n") if(!defined($numb) || $numb =~ /^-+[h\?]/i);print(cnv($numb,shift,shift)); Math-BaseCnv-1.14/LICENSE0000644000175000017500000010451312745213655013034 0ustar pippip GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The GNU General Public License is a free, copyleft license for software and other kinds of works. 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Copyright (C) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . Also add information on how to contact you by electronic and paper mail. If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode: Copyright (C) This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an "about box". You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read . Math-BaseCnv-1.14/BaseCnv.pm0000644000175000017500000005075612747113163013712 0ustar pippip# 315J9mLT:Math::BaseCnv.pm by PipStuart to CoNVert between arbitrary number Bases. I'm totally addicted to bass! package Math::BaseCnv; use strict;use warnings;use utf8; require Exporter ; use base qw(Exporter); use Math::BigInt; use Memoize;memoize('summ');memoize('fact');memoize('choo'); use Carp; # only export cnv() for 'use Math::BaseCnv;' && all other stuff optionally our @EXPORT = qw(cnv ) ; our @EXPORT_OK = qw( dec heX HEX b10 b64 b64sort dig diginit summ fact choo) ; our %EXPORT_TAGS = ( 'all' =>[ qw(cnv dec heX HEX b10 b64 b64sort dig diginit summ fact choo) ], 'heX' =>[ qw(cnv dec heX HEX ) ], 'b64' =>[ qw(cnv b10 b64 b64sort ) ], 'dig' =>[ qw( dig diginit ) ], 'sfc' =>[ qw( summ fact choo) ] ); our $VERSION = '1.14';our $d8VS='G7UM6iSk'; my $d2bs='';my %bs2d=();my $nega=''; my %digsets = ( 'usr' => [], # this will be assigned if a dig(\@newd) call is made 'bin' => ['0', '1'], 'dna' => ['a', 'c', 'g', 't'], 'DNA' => ['A', 'C', 'G', 'T'], 'oct' => ['0'..'7'], 'dec' => ['0'..'9'], 'heX' => ['0'..'9', 'a'..'f'], 'HEX' => ['0'..'9', 'A'..'F'], 'b36' => ['0'..'9', 'a'..'z'], 'B36' => ['0'..'9', 'A'..'Z'], 'b62' => ['0'..'9', 'a'..'z', 'A'..'Z'], 'b64' => ['0'..'9', 'A'..'Z', 'a'..'z', '.', '_'], # month:C:12 day:V:31 'm64' => ['A'..'Z', 'a'..'z', '0'..'9', '+', '/'], # 0-63 from MIME::Base64 'iru' => ['A'..'Z', 'a'..'z', '0'..'9', '[', ']'], # P10 server-server protocol used by IRCu daemon 'url' => ['A'..'Z', 'a'..'z', '0'..'9', '-', '_'], # MIME::Base64::URLSafe which avoids %2B && %2F expansions of '+' && '/' respectively 'rgx' => ['A'..'Z', 'a'..'z', '0'..'9', '!', '-'], # ReGular eXpression variant 'id0' => ['A'..'Z', 'a'..'z', '0'..'9', '_', '-'], # IDentifier style 0 'id1' => ['A'..'Z', 'a'..'z', '0'..'9', '.', '_'], # IDentifier style 1 'xnt' => ['A'..'Z', 'a'..'z', '0'..'9', '.', '-'], # XML Name Tokens (Nmtoken) 'xid' => ['A'..'Z', 'a'..'z', '0'..'9', '_', ':'], # XML identifiers (Name ) 'sxl' => ['?', '@', 'A'..'Z', '[','\\', ']', '^', # Sixel Base64 from VT100.Net '_', '`', 'a'..'z', '{', '|', '}', '~'], 'b85' => ['0'..'9', 'A'..'Z', 'a'..'z', '!', '#', # RFC 1924 for IPv6 addresses like in Math::Base85 '$', '%', '&', '(', ')', '*', '+', '-', ';', '<', '=', '>', '?', '@', '^', '_', '`', '{', '|', '}', '~'], 'asc' => [' ', '!', '"', '#', '$', '%', '&', "'", # Base96 7-bit printable 0x20 (space) - 0x7F (tilde ~) 'ascii' from Math::Base::Convert '(', ')', '*', '+', ',', '-', '.', '/', '0'..'9', ':', ';', '<', '=', '>', '?', '@', 'A'..'Z', '[','\\', ']', '^', '_', '`', 'a'..'z', '{', '|', '}', '~'], 'b96' => ['0'..'9', 'A'..'Z', 'a'..'z', '.', '_', # Base96 but starting with b64 characters ' ', '!', '"', '#', '$', '%', '&', "'", '(', ')', '*', '+', ',', '-', '/', ':', ';', '<', '=', '>', '?', '@', '[','\\', ']', '^', '`', '{', '|', '}', '~'],); sub bs2init { %bs2d=();for(my $i = 0; $i < @{ $digsets{$d2bs} }; $i++){$bs2d{${ $digsets{$d2bs} }[$i]} = $i;}} # build hash of digit chars => array indices sub diginit { $d2bs='b64';bs2init(); } # reset digit character list to initial default and initialize base to digit hash mapping sub dig { # assign a new digit character list return( @{ $digsets{$d2bs} } ) unless(@_); if(ref $_[0]) { $d2bs = 'usr'; $digsets{$d2bs} = [ @{ shift() } ]; } else { my $setn = shift(); return(-1) unless(exists $digsets{$setn}); $d2bs = $setn; } diginit() unless(@{ $digsets{$d2bs} }); bs2init(); } sub cnv__10 { # convert from some number base to decimal fast my $t = shift || '0'; my $s = shift || 64; my $n = Math::BigInt->new(); $nega = ''; $nega = '-' if($t =~ s/^-//); for(split(//, $t)) { return(-1) unless(exists $bs2d{$_}); } while(length($t)) { $n += $bs2d{substr($t,0,1,'')}; $n *= $s; } return($nega . int($n / $s)); } sub cnv10__ { # convert from decimal to some number base fast my $n = Math::BigInt->new(shift || '0'); my $s = shift || 64; my $t = ''; return(-1) if($s > @{ $digsets{$d2bs} }); $nega = ''; $nega = '-' if($n =~ s/^-//); while($n) { $t = $digsets{$d2bs}->[($n % $s)] . $t; $n = int($n / $s); } if(length($t)) { $t = $nega . $t; } else { $t = $digsets{$d2bs}->[0]; } return($t); } sub dec { return(cnv__10(uc(shift), 16)); } # shortcut for hexadecimal -> decimal sub HEX { return(cnv10__( shift, 16)); } # shortcut for decimal -> HEXADECIMAL sub heX { return(lc(HEX(@_))); } # same as above but lowercase sub b10 { return(cnv__10( shift, 64)); } # shortcut for base64 -> decimal sub b64 { return(cnv10__( shift, 64)); } # shortcut for decimal -> base64 sub b64sort { return( map { b64($_) } sort { $a <=> $b } map { b10($_) } @_ ); } sub cnv { # CoNVert between any number bases my $numb = shift; return(-1) unless(defined($numb) && length($numb)); my $fbas = shift; my $tbas = shift; my $rslt = ''; my $temp = 0; return($digsets{$d2bs}->[0]) if($numb =~ /^-?0+$/); # lots of (negative?) zeros is just zero if(!defined($tbas)) { # makeup reasonable values for missing params if(!defined($fbas)) { $fbas = 10; $tbas = 16; if ($numb =~ /^0x/i || ($numb =~ /[A-F]/i && $numb =~ /^[0-9A-F]+$/i )) { $fbas = 16; $tbas = 10; } elsif($numb =~ /[G-Z._]/i && $numb =~ /^[0-9A-Z._]+$/i) { $fbas = 64; $tbas = 10; } elsif($numb =~ /\D/) { print "!*EROR*! Can't determine reasonable FromBase && ToBase from number:$numb!\n"; } } else { $tbas = $fbas; $fbas = 10; } } $fbas = 16 if($fbas =~ /\D/); $tbas = 10 if($tbas =~ /\D/); if($fbas == 16) { $numb =~ s/^0x//i; $numb = uc($numb); } return(-1) if($fbas < 2 || $tbas < 2); # invalid base error $numb = cnv__10($numb, $fbas) if($numb =~ /\D/ || $fbas != 10); $numb = cnv10__($numb, $tbas) if( $tbas != 10); return($numb); } sub summ { # simple function to calculate summation down to 1 my $summ = shift; return(0) unless(defined($summ) && $summ && ($summ > 0)); my $answ = Math::BigInt->new($summ);while(--$summ){$answ +=$summ;} return($answ); } sub fact { # simple function to calculate factorials my $fact = shift; return(0) unless(defined($fact) && $fact && ($fact > 0)); my $answ = Math::BigInt->new($fact);while(--$fact){$answ *=$fact;} return($answ); } sub choo { # simple function to calculate n choose m (i.e., (n! / (m! * (n - m)!))) my $ennn = Math::BigInt->new(shift); my $emmm = Math::BigInt->new(shift); return(0) unless(defined($ennn) && defined($emmm) && $ennn && $emmm && ($ennn != $emmm)); ($ennn, $emmm) = ($emmm, $ennn) if($ennn < $emmm); my $diff = Math::BigInt->new($ennn - $emmm); my $answ = Math::BigInt->new(fact($ennn)); my $mfct = Math::BigInt->new( fact( $emmm));my $dfct = Math::BigInt->new(fact($diff)); $mfct *= $dfct; return(0) unless($mfct); $answ /= $mfct; return($answ); } diginit(); # initialize the Dflt digit set whenever BaseCnv is used 8; =encoding utf8 =head1 NAME Math::BaseCnv - basic functions to CoNVert between number Bases =head1 VERSION This documentation refers to version 1.14 of Math::BaseCnv, which was released on Sat Jul 30 06:44:28:46 -0500 2016. =head1 SYNOPSIS #!/usr/bin/perl use strict;use warnings;use utf8;use v5.10;use Math::BaseCnv; # CoNVert 63 from base-10 (decimal) to base- 2 (binary ) my $binary__63 = cnv( 63 , 10, 2 ); # CoNVert 111111 from base- 2 (binary ) to base-16 (HEX ) my $HEX_____63 = cnv( 111111 , 2, 16 ); # CoNVert 3F from base-16 (HEX ) to base-10 (decimal) my $decimal_63 = cnv( '3F', 16, 10 ); say "63 dec->bin $binary__63 bin->HEX $HEX_____63 HEX->dec $decimal_63"; =head1 DESCRIPTION BaseCnv provides a few simple functions for converting between arbitrary number bases. You're probably better off using Michael Robinton's L benchmarked high-performance Perl modules. Another object syntax for number-base conversion is Ken Williams' fine L module. =head1 PURPOSE The reason I created BaseCnv was that I needed a simple way to convert quickly between the 3 number bases I use most (10, 16, and 64). It turned out that it was trivial to handle any arbitrary number base that is represented as characters. High-bit ASCII has proven somewhat problemmatic but at least BaseCnv can simply and reliably convert between any possible base between 2 and 64 (or 96). I'm happy with it and employ b64() in places I probably shouldn't now. =head1 USAGE =head2 cnv($numb[,$from[,$tobs]]) CoNVert the number contained in $numb from its current number base ($from) into the result number base ($tobs). B If $numb only contains valid decimal (base 10) digits, it will be converted to HEXADECIMAL (base 16). If $numb only contains valid hexadecimal (base 16) digits or begins with '0x', it will be it will be converted to decimal (base 10). B cnv() assumes that $numb is already in decimal format and uses $from as the $tobs. B The normal (and most clear) usage of cnv() is to provide all three parameters where $numb is converted from $from base to $tobs. cnv() is the only function that is exported from a normal 'use Math::BaseCnv;' command. The other functions below can be imported to local namespaces explicitly or with the following tags: :all - every function described here :heX - only cnv(), dec(), heX(), and HEX() :b64 - only cnv(), b10(), b64(), and b64sort() :dig - only dig() and diginit() :sfc - only summ(), fact(), and choo() =head2 b10($b64n) A shortcut to convert the number given as a parameter ($b64n) from base 64 to decimal (base 10). =head2 b64($b10n) A shortcut to convert the number given as a parameter ($b10n) from decimal (base 10) to base 64. =head2 b64sort(@b64s) A way to sort b64 strings as though they were decimal numbers. =head2 dec($b16n) A shortcut to convert the number given as a parameter ($b16n) from hexadecimal (base 16) to decimal (base 10). =head2 HEX($b10n) A shortcut to convert the number given as a parameter ($b10n) from decimal (base 10) to HEXADECIMAL (base 16) uppercase. =head2 heX($b10n) A shortcut to convert the number given as a parameter ($b10n) from decimal (base 10) to hexadecimal (base 16) lowercase. Please read the L<"NOTES"> regarding heX(). =head2 dig(\@newd) Assign the new digit character list to be used in place of the default one. dig() can also alternately accept a string name matching one of the following predefined digit sets: 'bin' => ['0', '1'], 'dna' => ['a', 'c', 'g', 't'], 'DNA' => ['A', 'C', 'G', 'T'], 'oct' => ['0'..'7'], 'dec' => ['0'..'9'], 'heX' => ['0'..'9', 'a'..'f'], 'HEX' => ['0'..'9', 'A'..'F'], 'b36' => ['0'..'9', 'a'..'z'], 'B36' => ['0'..'9', 'A'..'Z'], 'b62' => ['0'..'9', 'a'..'z', 'A'..'Z'], 'b64' => ['0'..'9', 'A'..'Z', 'a'..'z', '.', '_'], # month:C:12 day:V:31 'm64' => ['A'..'Z', 'a'..'z', '0'..'9', '+', '/'], # 0-63 from MIME::Base64 'iru' => ['A'..'Z', 'a'..'z', '0'..'9', '[', ']'], # P10 server-server protocol used by IRCu daemon 'url' => ['A'..'Z', 'a'..'z', '0'..'9', '-', '_'], # MIME::Base64::URLSafe (avoid %2B %2F expansions) 'rgx' => ['A'..'Z', 'a'..'z', '0'..'9', '!', '-'], # ReGular eXpression variant 'id0' => ['A'..'Z', 'a'..'z', '0'..'9', '_', '-'], # IDentifier style 0 'id1' => ['A'..'Z', 'a'..'z', '0'..'9', '.', '_'], # IDentifier style 1 'xnt' => ['A'..'Z', 'a'..'z', '0'..'9', '.', '-'], # XML Name Tokens (Nmtoken) 'xid' => ['A'..'Z', 'a'..'z', '0'..'9', '_', ':'], # XML identifiers (Name ) 'sxl' => ['?', '@', 'A'..'Z', '[','\\', ']', '^', # Sixel Base64 from VT100.Net '_', '`', 'a'..'z', '{', '|', '}', '~'], 'b85' => ['0'..'9', 'A'..'Z', 'a'..'z', '!', '#', # RFC 1924 for IPv6 addresses like in Math::Base85 '$', '%', '&', '(', ')', '*', '+', '-', ';', '<', '=', '>', '?', '@', '^', '_', '`', '{', '|', '}', '~' ], 'asc' => [' ', '!', '"', '#', '$', '%', '&', "'", # Base96 7-bit printable 0x20 (space) - 0x7F '(', ')', '*', '+', ',', '-', '.', '/', # (tilde ~) 'ascii' from Math::Base::Convert '0'..'9', ':', ';', '<', '=', '>', '?', '@', 'A'..'Z', '[','\\', ']', '^', '_', '`', 'a'..'z', '{', '|', '}', '~' ], 'b96' => ['0'..'9', 'A'..'Z', 'a'..'z', '.', '_', # Base96 but starting with b64 characters ' ', '!', '"', '#', '$', '%', '&', "'", '(', ')', '*', '+', ',', '-', '/', ':', ';', '<', '=', '>', '?', '@', '[','\\', ']', '^', '`', '{', '|', '}', '~' ], If no \@newd list or digit set name is provided as a parameter, dig() returns the current character list. It's fine to have many more characters in your current digit set than will be used with your conversions (e.g., using dig('b64') works fine for any cnv() call with $from and $tobs params less than or equal to 64). An example of a \@newd parameter for a specified alternate digit set for base 9 conversions is: dig( [ qw( n a c h o z y u m ) ] ); =head2 diginit() Resets the used digit list to the initial default order of the predefined digit set: 'b64'. This is simply a shortcut for calling dig('b64') for reinitialization purposes. =head2 summ($numb) A simple function to calculate a memoized BigInt summation of $numb down to 1. =head2 fact($numb) A simple function to calculate a memoized BigInt factorial of $numb. =head2 choo($ennn, $emmm) A simple function to calculate a memoized BigInt function of $ennn choose $emmm. =head1 NOTES The Perl built-in hex() function takes a hex string as a parameter and returns the decimal value (FromBase = 16, ToBase = 10). This notation seems counter-intuitive to me since I prefer to read the code as though a hex() function will turn your parameter into hexadecimal (i.e., I think hex() should hexify your parameter but Perl's built-in does not.). I initially decided to invert the notation for my similar functions, but reconsidered the potential harm possible by introducing exported conflicting opposite behavior into other people's maybe crucial code, so I am falling back on unique casing with heX(). My b64() function takes a decimal number as a parameter and returns the base64 equivalent (FromBase = 10, ToBase = 64) and my b10() function takes a base64 number (string) and returns the decimal value (FromBase = 64, ToBase = 10). My heX() function opposes Perl's built-in hex() (which is similar to my dec()). Please think of my dec() and heX() functions as meaning decify and heXify. Also the pronunciation of dec() is 'dess' (not 'deck'). Error checking is minimal. This module does not handle fractional number inputs because I like using the dot (.) character as a standard base64 digit since it makes for clean filenames. summ(), fact(), and choo() are general Math function utilities which are unrelated to number-base conversion but I didn't feel like making another separate module just for them so they snuck in here. I hope you find Math::BaseCnv useful. TTFN. =head1 CHANGES Revision history for Perl extension Math::BaseCnv: =over 2 =item - 1.14 G7UM6iSk Sat Jul 30 06:44:28:46 -0500 2016 * synchronized README and Changes to updated POD =item - 1.12 G7OMKBCn Sun Jul 24 20:11:12:49 -0500 2016 * added digit set 'b96' as a reordering of 'asc' =item - 1.10 G7OMF3ZT Sun Jul 24 15:03:35:29 -0500 2016 * added new digit sets from L * switched all old hex() to distinct new heX() and updated POD to reflect * fixed META license to match POD and resolve issue: L (Thanks again xenoterracide.) * removed PT from VERSION to resolve issue: L (Thanks Alexandr.) =item - 1.8.B59BrZX Mon May 9 11:53:35:33 2011 * updated 'url' digit set to URLSafe to resolve L (Thanks xenoterracide.) * updated license copyright years (already had GPLv3) =item - 1.6.A6FGHKE Tue Jun 15 16:17:20:14 2010 * bumped minor version number so they'll keep ascending (without PT comprehension) =item - 1.4.A6FAbEb Tue Jun 15 10:37:14:37 2010 * added Math::BigInt code for >64-bit number-base conversions * added a bunch more DigitSets: IRCu, URL, RegEx, identifier variants, XML Nmtoken, and XML ID Name =item - 1.4.75O6Pbr Thu May 24 06:25:37:53 2007 * added Test::Pod(::Coverage)? tests and PREREQ entries * added b85 for IPv6, generated META.yml (with needed newline before EOF) and updated minor version number =item - 1.2.68J9uJQ Sat Aug 19 09:56:19:26 2006 * added b64sort() and put POD at bottom =item - 1.2.59M7mRX Thu Sep 22 07:48:27:33 2005 * testing Make as primary and BuildPL backup (needing rename for dot) =item - 1.2.59IBlgw Sun Sep 18 11:47:42:58 2005 * testing just using Module::Build instead of MakeMaker * fixed test 12 which was failing on AMD64 * added Build.PL to package =item - 1.2.54HK3pB Sun Apr 17 20:03:51:11 2005 * removed 128 digit-set since some high-bit characters cause problems on Win32 * made bin/cnv only executable to go in EXE_FILES * made Math::BaseCalc a link in POD and updated License =item - 1.2.45UC8fo Sun May 30 12:08:41:50 2004 * tidied POD and increased minor version number since CPAN can't read PT in VERSION =item - 1.0.44E9ljP Wed Apr 14 09:47:45:25 2004 * added test for divide-by-zero error in choo() * added summ() =item - 1.0.446EIbS Tue Apr 6 14:18:37:28 2004 * snuck in fact() and choo() =item - 1.0.42REDir Fri Feb 27 14:13:44:53 2004 * changed test.pl to hopefully pass MSWin32-x86-multi-thread =item - 1.0.428LV46 Sun Feb 8 21:31:04:06 2004 * broke apart CHANGES to descend chronologically * made dec() auto uppercase param since dec(a) was returning 36 instead of 10 =item - 1.0.41M4GMP Thu Jan 22 04:16:22:25 2004 * put cnv in bin/ as EXE_FILES =item - 1.0.418BEPc Thu Jan 8 11:14:25:38 2004 * testing new e auto-generate MANIFEST(.SKIP)? =item - 1.0.3CNH37s Tue Dec 23 17:03:07:54 2003 * updated POD =item - 1.0.3CG3dIx Tue Dec 16 03:39:18:59 2003 * normalized base spelling =item - 1.0.3CD1Vdd Sat Dec 13 01:31:39:39 2003 * added ABSTRACT section to WriteMakeFile() * changed synopsis example * updated all POD indenting =item - 1.0.3CCA5Mi Fri Dec 12 10:05:22:44 2003 * removed indenting from POD NAME field =item - 1.0.3CB7M43 Thu Dec 11 07:22:04:03 2003 * updated package to coincide with Time::Fields release =item - 1.0.39B36Lv Thu Sep 11 03:06:21:57 2003 * synchronized POD with README documentation using new e utility * templatized package compilation * fixed boundary bugs =item - 1.0.37SLNGN Mon Jul 28 21:23:16:23 2003 * first version (and my first Perl module... yay!) put on CPAN =item - 1.0.37JKj3w Sat Jul 19 20:45:03:58 2003 * reworked interface from shell utility to package =item - 1.0.3159mLT Sun Jan 5 09:48:21:29 2003 * original version =back =head1 TODO =over 2 =item - better error checking =item - handle fractions and exponents? =back =head1 INSTALL Please run: `perl -MCPAN -e "install Math::BaseCnv"` or uncompress the package and run: `perl Makefile.PL; make; make test; make install` or if you don't have `make` but Module::Build is installed, try: `perl Build.PL; perl Build; perl Build test; perl Build install` =head1 FILES Math::BaseCnv requires: L to allow Big summ(), fact(), and choo() results L to cache summ(), fact(), and choo() results L to allow errors to croak() from calling sub =head1 LICENSE Most source code should be Free! Code I have lawful authority over is and shall be! Copyright: (c) 2003-2016, Pip Stuart. Copyleft : This software is licensed under the GNU General Public License (version 3 or later). Please consult L for important information about your freedom. This is Free Software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. See L for further information. =head1 AUTHOR Pip Stuart =cut Math-BaseCnv-1.14/META.yml0000664000175000017500000000114412747113312013265 0ustar pippip--- abstract: 'basic functions to CoNVert between number Bases' author: - 'Pip Stuart ' build_requires: ExtUtils::MakeMaker: '0' Test: '0' Test::More: '0' Test::Pod: '0' Test::Pod::Coverage: '0' configure_requires: ExtUtils::MakeMaker: '0' dynamic_config: 1 generated_by: 'ExtUtils::MakeMaker version 7.04, CPAN::Meta::Converter version 2.150001' license: gpl meta-spec: url: HTTP://Module-Build.SourceForge.Net/META-spec-v1.4.html version: '1.4' name: Math-BaseCnv no_index: directory: - t - inc requires: Carp: '0' Math::BigInt: '0' Memoize: '0' version: '1.14' Math-BaseCnv-1.14/MANIFEST0000644000175000017500000000023012745213627013146 0ustar pippipBaseCnv.pm LICENSE MANIFEST MANIFEST.SKIP META.json META.yml README Changes Build.PL Makefile.PL t/00pod.t t/01podc.t t/02base.t ex/synopsis.pl bin/cnv Math-BaseCnv-1.14/README0000644000175000017500000003317612747113200012700 0ustar pippipNAME Math::BaseCnv - basic functions to CoNVert between number Bases VERSION This documentation refers to version 1.14 of Math::BaseCnv, which was released on Sat Jul 30 06:44:28:46 -0500 2016. SYNOPSIS #!/usr/bin/perl use strict;use warnings;use utf8;use v5.10;use Math::BaseCnv; # CoNVert 63 from base-10 (decimal) to base- 2 (binary ) my $binary__63 = cnv( 63 , 10, 2 ); # CoNVert 111111 from base- 2 (binary ) to base-16 (HEX ) my $HEX_____63 = cnv( 111111 , 2, 16 ); # CoNVert 3F from base-16 (HEX ) to base-10 (decimal) my $decimal_63 = cnv( '3F', 16, 10 ); say "63 dec->bin $binary__63 bin->HEX $HEX_____63 HEX->dec $decimal_63"; DESCRIPTION BaseCnv provides a few simple functions for converting between arbitrary number bases. You're probably better off using Michael Robinton's Math::Base::Convert benchmarked high-performance Perl modules. Another object syntax for number-base conversion is Ken Williams' fine Math::BaseCalc module. PURPOSE The reason I created BaseCnv was that I needed a simple way to convert quickly between the 3 number bases I use most (10, 16, and 64). It turned out that it was trivial to handle any arbitrary number base that is represented as characters. High-bit ASCII has proven somewhat problemmatic but at least BaseCnv can simply and reliably convert between any possible base between 2 and 64 (or 96). I'm happy with it and employ b64() in places I probably shouldn't now. USAGE cnv($numb[,$from[,$tobs]]) CoNVert the number contained in $numb from its current number base ($from) into the result number base ($tobs). When only $numb is provided as a parameter: If $numb only contains valid decimal (base 10) digits, it will be converted to HEXADECIMAL (base 16). If $numb only contains valid hexadecimal (base 16) digits or begins with '0x', it will be it will be converted to decimal (base 10). When only $numb and $from are provided as parameters: cnv() assumes that $numb is already in decimal format and uses $from as the $tobs. When all three parameters are provided: The normal (and most clear) usage of cnv() is to provide all three parameters where $numb is converted from $from base to $tobs. cnv() is the only function that is exported from a normal 'use Math::BaseCnv;' command. The other functions below can be imported to local namespaces explicitly or with the following tags: :all - every function described here :heX - only cnv(), dec(), heX(), and HEX() :b64 - only cnv(), b10(), b64(), and b64sort() :dig - only dig() and diginit() :sfc - only summ(), fact(), and choo() b10($b64n) A shortcut to convert the number given as a parameter ($b64n) from base 64 to decimal (base 10). b64($b10n) A shortcut to convert the number given as a parameter ($b10n) from decimal (base 10) to base 64. b64sort(@b64s) A way to sort b64 strings as though they were decimal numbers. dec($b16n) A shortcut to convert the number given as a parameter ($b16n) from hexadecimal (base 16) to decimal (base 10). HEX($b10n) A shortcut to convert the number given as a parameter ($b10n) from decimal (base 10) to HEXADECIMAL (base 16) uppercase. heX($b10n) A shortcut to convert the number given as a parameter ($b10n) from decimal (base 10) to hexadecimal (base 16) lowercase. Please read the "NOTES" regarding heX(). dig(\@newd) Assign the new digit character list to be used in place of the default one. dig() can also alternately accept a string name matching one of the following predefined digit sets: 'bin' => ['0', '1'], 'dna' => ['a', 'c', 'g', 't'], 'DNA' => ['A', 'C', 'G', 'T'], 'oct' => ['0'..'7'], 'dec' => ['0'..'9'], 'heX' => ['0'..'9', 'a'..'f'], 'HEX' => ['0'..'9', 'A'..'F'], 'b36' => ['0'..'9', 'a'..'z'], 'B36' => ['0'..'9', 'A'..'Z'], 'b62' => ['0'..'9', 'a'..'z', 'A'..'Z'], 'b64' => ['0'..'9', 'A'..'Z', 'a'..'z', '.', '_'], # month:C:12 day:V:31 'm64' => ['A'..'Z', 'a'..'z', '0'..'9', '+', '/'], # 0-63 from MIME::Base64 'iru' => ['A'..'Z', 'a'..'z', '0'..'9', '[', ']'], # P10 server-server protocol used by IRCu daemon 'url' => ['A'..'Z', 'a'..'z', '0'..'9', '-', '_'], # MIME::Base64::URLSafe (avoid %2B %2F expansions) 'rgx' => ['A'..'Z', 'a'..'z', '0'..'9', '!', '-'], # ReGular eXpression variant 'id0' => ['A'..'Z', 'a'..'z', '0'..'9', '_', '-'], # IDentifier style 0 'id1' => ['A'..'Z', 'a'..'z', '0'..'9', '.', '_'], # IDentifier style 1 'xnt' => ['A'..'Z', 'a'..'z', '0'..'9', '.', '-'], # XML Name Tokens (Nmtoken) 'xid' => ['A'..'Z', 'a'..'z', '0'..'9', '_', ':'], # XML identifiers (Name ) 'sxl' => ['?', '@', 'A'..'Z', '[','\\', ']', '^', # Sixel Base64 from VT100.Net '_', '`', 'a'..'z', '{', '|', '}', '~'], 'b85' => ['0'..'9', 'A'..'Z', 'a'..'z', '!', '#', # RFC 1924 for IPv6 addresses like in Math::Base85 '$', '%', '&', '(', ')', '*', '+', '-', ';', '<', '=', '>', '?', '@', '^', '_', '`', '{', '|', '}', '~' ], 'asc' => [' ', '!', '"', '#', '$', '%', '&', "'", # Base96 7-bit printable 0x20 (space) - 0x7F '(', ')', '*', '+', ',', '-', '.', '/', # (tilde ~) 'ascii' from Math::Base::Convert '0'..'9', ':', ';', '<', '=', '>', '?', '@', 'A'..'Z', '[','\\', ']', '^', '_', '`', 'a'..'z', '{', '|', '}', '~' ], 'b96' => ['0'..'9', 'A'..'Z', 'a'..'z', '.', '_', # Base96 but starting with b64 characters ' ', '!', '"', '#', '$', '%', '&', "'", '(', ')', '*', '+', ',', '-', '/', ':', ';', '<', '=', '>', '?', '@', '[','\\', ']', '^', '`', '{', '|', '}', '~' ], If no \@newd list or digit set name is provided as a parameter, dig() returns the current character list. It's fine to have many more characters in your current digit set than will be used with your conversions (e.g., using dig('b64') works fine for any cnv() call with $from and $tobs params less than or equal to 64). An example of a \@newd parameter for a specified alternate digit set for base 9 conversions is: dig( [ qw( n a c h o z y u m ) ] ); diginit() Resets the used digit list to the initial default order of the predefined digit set: 'b64'. This is simply a shortcut for calling dig('b64') for reinitialization purposes. summ($numb) A simple function to calculate a memoized BigInt summation of $numb down to 1. fact($numb) A simple function to calculate a memoized BigInt factorial of $numb. choo($ennn, $emmm) A simple function to calculate a memoized BigInt function of $ennn choose $emmm. NOTES The Perl built-in hex() function takes a hex string as a parameter and returns the decimal value (FromBase = 16, ToBase = 10). This notation seems counter-intuitive to me since I prefer to read the code as though a hex() function will turn your parameter into hexadecimal (i.e., I think hex() should hexify your parameter but Perl's built-in does not.). I initially decided to invert the notation for my similar functions, but reconsidered the potential harm possible by introducing exported conflicting opposite behavior into other people's maybe crucial code, so I am falling back on unique casing with heX(). My b64() function takes a decimal number as a parameter and returns the base64 equivalent (FromBase = 10, ToBase = 64) and my b10() function takes a base64 number (string) and returns the decimal value (FromBase = 64, ToBase = 10). My heX() function opposes Perl's built-in hex() (which is similar to my dec()). Please think of my dec() and heX() functions as meaning decify and heXify. Also the pronunciation of dec() is 'dess' (not 'deck'). Error checking is minimal. This module does not handle fractional number inputs because I like using the dot (.) character as a standard base64 digit since it makes for clean filenames. summ(), fact(), and choo() are general Math function utilities which are unrelated to number-base conversion but I didn't feel like making another separate module just for them so they snuck in here. I hope you find Math::BaseCnv useful. TTFN. CHANGES Revision history for Perl extension Math::BaseCnv: - 1.14 G7UM6iSk Sat Jul 30 06:44:28:46 -0500 2016 * synchronized README and Changes to updated POD - 1.12 G7OMKBCn Sun Jul 24 20:11:12:49 -0500 2016 * added digit set 'b96' as a reordering of 'asc' - 1.10 G7OMF3ZT Sun Jul 24 15:03:35:29 -0500 2016 * added new digit sets from Math::Base::Convert * switched all old hex() to distinct new heX() and updated POD to reflect * fixed META license to match POD and resolve issue: (Thanks again xenoterracide.) * removed PT from VERSION to resolve issue: (Thanks Alexandr.) - 1.8.B59BrZX Mon May 9 11:53:35:33 2011 * updated 'url' digit set to URLSafe to resolve (Thanks xenoterracide.) * updated license copyright years (already had GPLv3) - 1.6.A6FGHKE Tue Jun 15 16:17:20:14 2010 * bumped minor version number so they'll keep ascending (without PT comprehension) - 1.4.A6FAbEb Tue Jun 15 10:37:14:37 2010 * added Math::BigInt code for >64-bit number-base conversions * added a bunch more DigitSets: IRCu, URL, RegEx, identifier variants, XML Nmtoken, and XML ID Name - 1.4.75O6Pbr Thu May 24 06:25:37:53 2007 * added Test::Pod(::Coverage)? tests and PREREQ entries * added b85 for IPv6, generated META.yml (with needed newline before EOF) and updated minor version number - 1.2.68J9uJQ Sat Aug 19 09:56:19:26 2006 * added b64sort() and put POD at bottom - 1.2.59M7mRX Thu Sep 22 07:48:27:33 2005 * testing Make as primary and BuildPL backup (needing rename for dot) - 1.2.59IBlgw Sun Sep 18 11:47:42:58 2005 * testing just using Module::Build instead of MakeMaker * fixed test 12 which was failing on AMD64 * added Build.PL to package - 1.2.54HK3pB Sun Apr 17 20:03:51:11 2005 * removed 128 digit-set since some high-bit characters cause problems on Win32 * made bin/cnv only executable to go in EXE_FILES * made Math::BaseCalc a link in POD and updated License - 1.2.45UC8fo Sun May 30 12:08:41:50 2004 * tidied POD and increased minor version number since CPAN can't read PT in VERSION - 1.0.44E9ljP Wed Apr 14 09:47:45:25 2004 * added test for divide-by-zero error in choo() * added summ() - 1.0.446EIbS Tue Apr 6 14:18:37:28 2004 * snuck in fact() and choo() - 1.0.42REDir Fri Feb 27 14:13:44:53 2004 * changed test.pl to hopefully pass MSWin32-x86-multi-thread - 1.0.428LV46 Sun Feb 8 21:31:04:06 2004 * broke apart CHANGES to descend chronologically * made dec() auto uppercase param since dec(a) was returning 36 instead of 10 - 1.0.41M4GMP Thu Jan 22 04:16:22:25 2004 * put cnv in bin/ as EXE_FILES - 1.0.418BEPc Thu Jan 8 11:14:25:38 2004 * testing new e auto-generate MANIFEST(.SKIP)? - 1.0.3CNH37s Tue Dec 23 17:03:07:54 2003 * updated POD - 1.0.3CG3dIx Tue Dec 16 03:39:18:59 2003 * normalized base spelling - 1.0.3CD1Vdd Sat Dec 13 01:31:39:39 2003 * added ABSTRACT section to WriteMakeFile() * changed synopsis example * updated all POD indenting - 1.0.3CCA5Mi Fri Dec 12 10:05:22:44 2003 * removed indenting from POD NAME field - 1.0.3CB7M43 Thu Dec 11 07:22:04:03 2003 * updated package to coincide with Time::Fields release - 1.0.39B36Lv Thu Sep 11 03:06:21:57 2003 * synchronized POD with README documentation using new e utility * templatized package compilation * fixed boundary bugs - 1.0.37SLNGN Mon Jul 28 21:23:16:23 2003 * first version (and my first Perl module... yay!) put on CPAN - 1.0.37JKj3w Sat Jul 19 20:45:03:58 2003 * reworked interface from shell utility to package - 1.0.3159mLT Sun Jan 5 09:48:21:29 2003 * original version TODO - better error checking - handle fractions and exponents? INSTALL Please run: `perl -MCPAN -e "install Math::BaseCnv"` or uncompress the package and run: `perl Makefile.PL; make; make test; make install` or if you don't have `make` but Module::Build is installed, try: `perl Build.PL; perl Build; perl Build test; perl Build install` FILES Math::BaseCnv requires: Math::BigInt to allow Big summ(), fact(), and choo() results Memoize to cache summ(), fact(), and choo() results Carp to allow errors to croak() from calling sub LICENSE Most source code should be Free! Code I have lawful authority over is and shall be! Copyright: (c) 2003-2016, Pip Stuart. Copyleft : This software is licensed under the GNU General Public License (version 3 or later). Please consult for important information about your freedom. This is Free Software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. See for further information. AUTHOR Pip Stuart