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📛 NAME

Math::BigInt::FastCalc - Math::BigInt::Calc with some XS for more speed

🚀 Quick Reference

Use Case	Command	Description
FastCalc backend for BigInt	use Math::BigInt lib => 'FastCalc';	XS-accelerated big integer calculations
FastCalc backend for BigFloat	use Math::BigFloat lib => 'FastCalc';	XS-accelerated big float calculations
FastCalc backend for BigRat	use Math::BigRat lib => 'FastCalc';	XS-accelerated big rational calculations
View module documentation	perldoc Math::BigInt::FastCalc	Show full pod documentation

📖 SYNOPSIS

# to use it with Math::BigInt
use Math::BigInt lib => 'FastCalc';

# to use it with Math::BigFloat
use Math::BigFloat lib => 'FastCalc';

# to use it with Math::BigRat
use Math::BigRat lib => 'FastCalc';

📝 DESCRIPTION

Math::BigInt::FastCalc inherits from Math::BigInt::Calc.

Provides support for big integer calculations. Not intended to be used by other modules. Other modules which sport the same functions can also be used to support Math::BigInt, like Math::BigInt::GMP or Math::BigInt::Pari.

In order to allow for multiple big integer libraries, Math::BigInt was rewritten to use library modules for core math routines. Any module which follows the same API as this can be used instead by using the following:

use Math::BigInt lib => 'libname';

'libname' is either the long name ('Math::BigInt::Pari'), or only the short version like 'Pari'. To use this library:

use Math::BigInt lib => 'FastCalc';

🗄️ STORAGE

Math::BigInt::FastCalc works exactly like Math::BigInt::Calc. Numbers are stored in decimal form chopped into parts.

🛠️ METHODS

The following functions are now implemented in FastCalc.xs:

• _is_odd
• _is_even
• _is_one
• _is_zero
• _is_two
• _is_ten
• _zero
• _one
• _two
• _ten
• _acmp
• _len
• _inc
• _dec
• __strip_zeros
• _copy

🐛 BUGS

Please report any bugs or feature requests to "bug-math-bigint-fastcalc at rt.cpan.org", or through the web interface at <https://rt.cpan.org/Ticket/Create.html?Queue=Math-BigInt-FastCalc> (requires login). We will be notified, and then you'll automatically be notified of progress on your bug as I make changes.

🆘 SUPPORT

You can find documentation for this module with the perldoc command.

perldoc Math::BigInt::FastCalc

You can also look for information at:

• 🔹 RT: CPAN's request tracker
  <https://rt.cpan.org/Public/Dist/Display.html?Name=Math-BigInt-FastCalc>
• 🔹 AnnoCPAN: Annotated CPAN documentation
  <http://annocpan.org/dist/Math-BigInt-FastCalc>
• 🔹 CPAN Ratings
  <http://cpanratings.perl.org/dist/Math-BigInt-FastCalc>
• 🔹 Search CPAN
  <http://search.cpan.org/dist/Math-BigInt-FastCalc/>
• 🔹 CPAN Testers Matrix
  <http://matrix.cpantesters.org/?dist=Math-BigInt-FastCalc>
• 🔹 The Bignum mailing list
  • 📧 Post to mailing list
    "bignum at lists.scsys.co.uk"
  • 📧 View mailing list
    <http://lists.scsys.co.uk/pipermail/bignum/>
  • 📧 Subscribe/Unsubscribe
    <http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/bignum>

📜 LICENSE

This program is free software; you may redistribute it and/or modify it under the same terms as Perl itself.

👥 AUTHORS

Original math code by Mark Biggar, rewritten by Tels <http://bloodgate.com/> in late 2000. Separated from BigInt and shaped API with the help of John Peacock.

Fixed, sped-up and enhanced by Tels http://bloodgate.com 2001-2003. Further streamlining (api_version 1 etc.) by Tels 2004-2007.

Bug-fixing by Peter John Acklam <pjacklam AT online.no> 2010-2016.

🔗 SEE ALSO

Math::BigInt::Lib for a description of the API.

Alternative libraries Math::BigInt::Calc, Math::BigInt::GMP, and Math::BigInt::Pari.

Some of the modules that use these libraries Math::BigInt, Math::BigFloat, and Math::BigRat.

perl v5.34.0 2026-06-23 Math::BigInt::FastCalc(3perl)

📛 NAME 🚀 Quick Reference 📖 SYNOPSIS 📝 DESCRIPTION 🗄️ STORAGE 🛠️ METHODS 🐛 BUGS 🆘 SUPPORT 📜 LICENSE 👥 AUTHORS 🔗 SEE ALSO