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.\" ========================================================================
.\"
.IX Title "Math::BigInt::FastCalc 3"
.TH Math::BigInt::FastCalc 3 "2019-10-24" "perl v5.30.2" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.if n .ad l
.nh
.SH "NAME"
Math::BigInt::FastCalc \- Math::BigInt::Calc with some XS for more speed
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&    # to use it with Math::BigInt
\&    use Math::BigInt lib => \*(AqFastCalc\*(Aq;
\&
\&    # to use it with Math::BigFloat
\&    use Math::BigFloat lib => \*(AqFastCalc\*(Aq;
\&
\&    # to use it with Math::BigRat
\&    use Math::BigRat lib => \*(AqFastCalc\*(Aq;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Math::BigInt::FastCalc inherits from Math::BigInt::Calc.
.PP
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.
.PP
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 \s-1API\s0 as this can be used instead by using the following:
.PP
.Vb 1
\&        use Math::BigInt lib => \*(Aqlibname\*(Aq;
.Ve
.PP
\&'libname' is either the long name ('Math::BigInt::Pari'), or only the short
version like 'Pari'. To use this library:
.PP
.Vb 1
\&        use Math::BigInt lib => \*(AqFastCalc\*(Aq;
.Ve
.SH "STORAGE"
.IX Header "STORAGE"
Math::BigInt::FastCalc works exactly like Math::BigInt::Calc. Numbers are
stored in decimal form chopped into parts.
.SH "METHODS"
.IX Header "METHODS"
The following functions are now implemented in FastCalc.xs:
.PP
.Vb 6
\&        _is_odd         _is_even        _is_one         _is_zero
\&        _is_two         _is_ten
\&        _zero           _one            _two            _ten
\&        _acmp           _len
\&        _inc            _dec
\&        _\|_strip_zeros   _copy
.Ve
.SH "BUGS"
.IX Header "BUGS"
Please report any bugs or feature requests to
\&\f(CW\*(C`bug\-math\-bigint\-fastcalc at rt.cpan.org\*(C'\fR, 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.
.SH "SUPPORT"
.IX Header "SUPPORT"
You can find documentation for this module with the perldoc command.
.PP
.Vb 1
\&    perldoc Math::BigInt::FastCalc
.Ve
.PP
You can also look for information at:
.IP "\(bu" 4
\&\s-1RT: CPAN\s0's request tracker
.Sp
<https://rt.cpan.org/Public/Dist/Display.html?Name=Math\-BigInt\-FastCalc>
.IP "\(bu" 4
AnnoCPAN: Annotated \s-1CPAN\s0 documentation
.Sp
<http://annocpan.org/dist/Math\-BigInt\-FastCalc>
.IP "\(bu" 4
\&\s-1CPAN\s0 Ratings
.Sp
<http://cpanratings.perl.org/dist/Math\-BigInt\-FastCalc>
.IP "\(bu" 4
Search \s-1CPAN\s0
.Sp
<http://search.cpan.org/dist/Math\-BigInt\-FastCalc/>
.IP "\(bu" 4
\&\s-1CPAN\s0 Testers Matrix
.Sp
<http://matrix.cpantesters.org/?dist=Math\-BigInt\-FastCalc>
.IP "\(bu" 4
The Bignum mailing list
.RS 4
.IP "\(bu" 4
Post to mailing list
.Sp
\&\f(CW\*(C`bignum at lists.scsys.co.uk\*(C'\fR
.IP "\(bu" 4
View mailing list
.Sp
<http://lists.scsys.co.uk/pipermail/bignum/>
.IP "\(bu" 4
Subscribe/Unsubscribe
.Sp
<http://lists.scsys.co.uk/cgi\-bin/mailman/listinfo/bignum>
.RE
.RS 4
.RE
.SH "LICENSE"
.IX Header "LICENSE"
This program is free software; you may redistribute it and/or modify it under
the same terms as Perl itself.
.SH "AUTHORS"
.IX Header "AUTHORS"
Original math code by Mark Biggar, rewritten by Tels <http://bloodgate.com/>
in late 2000.
Separated from BigInt and shaped \s-1API\s0 with the help of John Peacock.
.PP
Fixed, sped-up and enhanced by Tels http://bloodgate.com 2001\-2003.
Further streamlining (api_version 1 etc.) by Tels 2004\-2007.
.PP
Bug-fixing by Peter John Acklam <pjacklam@online.no> 2010\-2016.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Math::BigInt::Lib for a description of the \s-1API.\s0
.PP
Alternative libraries Math::BigInt::Calc, Math::BigInt::GMP, and
Math::BigInt::Pari.
.PP
Some of the modules that use these libraries Math::BigInt,
Math::BigFloat, and Math::BigRat.