This file contains all the CHANGES and bugfixes from original BigInt/BigFloat
to the rewritten one:

v1.21:

 general:
  + It is subsequent faster than the original
  + regression test suite greatly enlarged to cover more problematic cases
  + added example scripts (prime.pl, bigprimes.pl)
 caveats:
  + bpow now modifies the first argument like all other routines do
  + bstr() and stringify now drop the leading '+' (to make overloaded cmp work
    as expected when cmp'aring to scalars and other objects (read: bugfix)
 bugs and buglets fixed over Mark's original:
  + 0**0 gave NaN instead of 1
  + -1**y gave -1 instead of +1 for even y
  + mod/div for negative numbers were incompatible to Perl's way
  + integers of the form 1E5, 1.01E3, 100E-2 etc are now valid input values
  + $a = new Math::BigInt; creates now a +0, while "" still gives a NaN
    This supresses all warnings on undef arguments. Wether this is better...	
  + import would always use "Math::BigInt" and give only one arg to new() as
    well as clash with Exporter
  + use Math::BigInt qw(bneg); $a = bneg('1234'); etc did not work at all
  + documentation fixed and enhanced
 internal fixes:
  + uses a blessed hash ref instead scalar ref (easier subclassable)
  + use strict and -w
  + s/$[/0/ (after all, $[ = 1; in main does not effect this package)
  + $# partially removed ($#y is scalar @y -1, $#$y is scalar @$y-1 - ugh!)
 new modules (experimental):
  + Math::BigInt::Constant	- read-only BigInt's
  + Math::BigFraction		- 1 / 3 * 2 / 7 => 2 / 21
  + Math::Big			- usefull functions
 new stuff:
  + bacmp (acmp), because needed for more efficient add()
  + bint() for writing shorter code (exportable new())
  + bzero(), bnan(), sign()
  + is_zero(), is_nan(), is_one(), is_odd(), is_even() for faster testing
  + bgcd accepts now lists
  + blcm (also accepts lists)

Please send me test-reports, your experiences with this and your ideas - I love
to hear about my work!

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