晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : //usr/share/doc/perl-Math-BigInt/BUGS
For an updated list of bugs, see

  https://rt.cpan.org/Public/Dist/Display.html?Name=Math-BigInt

The following list is not up to date:

Known bugs:

* TODO BUGS:
  + implement test for the upgrading bug in bsub()

* NaN handling in comparisons slightly broken. See also [perl #33106].

* General:
  + BigInt can not the IEEE '-0'. Currently there are no plans to add this. If
    you need it, please bug the author(s) about it.

* BigFloat:
  + comparing (<=> or == or !=) a BigFloat to a BigInt don't work yet
  + new is first running the entire number trough _split, then again the parts
    to construct BigInts. Could be a bit more optimized.
  + fdiv() using F (fallback) mode does not work properly in all cases of
    local (aka $x's or $y's) A or P settings. Not definite test case yet, but
    it might calculate not enough digits to satisfy the rounding needs.

* BigInt:
  + exponent on input is limited to a Perl int (bigger numbers won't fit
    into your memory, anyway - use BigFloat)
  + doesn't have a mode akin to 'use integer;', e.g. it always emulates Perl
    (this is solved partially by use bigint ;)
  + Handling of undef arguments is somewhat broken (no proper warnings)
  + eval('use...') and use Math::BigInt qw/:constant/ fail on Perl prior 5.6.0
    This is likely an Exporter bug, and causes Math::BigInt to eval require on
    earlier Perls when loading the core math lib. Thus the loading can fail
    under older Perls on filesystems that can not cope with the
    'Math/BigInt/Calc.pm'-style filenames.

###############################################################################

Mixing of classes does not always work like expected. "use bignum;",
"use bigint;" and "use bigrat;" should solve this problem for most cases.

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

Tels <http://bloodgate.com/>

haha - 2025