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FastCalc.pm
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Editing: FastCalc.pm
package Math::BigInt::FastCalc; use 5.006; use strict; use warnings; use Math::BigInt::Calc 1.997; use vars '$VERSION'; $VERSION = '0.30'; ############################################################################## # global constants, flags and accessory # announce that we are compatible with MBI v1.83 and up sub api_version () { 2; } # use Calc to override the methods that we do not provide in XS for my $method (qw/ str num add sub mul div rsft lsft mod modpow modinv gcd pow root sqrt log_int fac nok digit check from_hex from_bin from_oct as_hex as_bin as_oct zeros base_len xor or and alen 1ex /) { no strict 'refs'; *{'Math::BigInt::FastCalc::_' . $method} = \&{'Math::BigInt::Calc::_' . $method}; } require XSLoader; XSLoader::load(__PACKAGE__, $VERSION, Math::BigInt::Calc::_base_len()); ############################################################################## ############################################################################## 1; __END__ =pod =head1 NAME Math::BigInt::FastCalc - Math::BigInt::Calc with some XS for more speed =head1 SYNOPSIS 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 L<Math::BigInt::GMP> or L<Math::BigInt::Pari>. =head1 DESCRIPTION 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'; Note that from L<Math::BigInt> v1.76 onwards, FastCalc will be loaded automatically, if possible. =head1 STORAGE FastCalc works exactly like Calc, in stores the numbers in decimal form, chopped into parts. =head1 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 =head1 LICENSE This program is free software; you may redistribute it and/or modify it under the same terms as Perl itself. =head1 AUTHORS Original math code by Mark Biggar, rewritten by Tels L<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 E<lt>pjacklam@online.noE<gt> 2010-2011. =head1 SEE ALSO L<Math::BigInt>, L<Math::BigFloat>, L<Math::BigInt::GMP>, L<Math::BigInt::FastCalc> and L<Math::BigInt::Pari>. =cut
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