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Bug #10465
closedBug of multiplication between Bignums
Description
I calculate multiplication of a certain pear of Bignums,
and a wrong result is outputted.
OS:Windows Vista Home Premium。
bug.rb works on
ruby 1.8.7 (2008-08-11 patchlevel 72) [i386-mswin32],
ruby 1.9.3p484 (2013-11-22) [i386-mingw32],
ruby 2.0.0p353 (2013-11-22) [i386-mingw32].
It doesn't work on
ruby 2.1.3p242 (2014-09-19 revision 47630) [i386-mingw32]
and ruby 2.1.4p265 (2014-10-27 revision 48166) [i386-mingw32].
$ ruby bug.rb 5470148495 # wrong number 1943359375 # correct number #The output is too long, and I wrote the only last 10 digit.
Files
Updated by Nishihama (Kohji Nishihama) almost 10 years ago
- Copied from Bug #10464: Bignum同士の乗算の不具合 added
Updated by akr (Akira Tanaka) almost 10 years ago
- Status changed from Open to Closed
- % Done changed from 0 to 100
Applied in changeset r48222.
- bignum.c (bary_mul_balance_with_mulfunc): Fix free work area
location.
[ruby-dev:48723] [Bug #10464]
[ruby-core:66044] [Bug #10465]
Reported by Kohji Nishihama.
Updated by nagachika (Tomoyuki Chikanaga) almost 10 years ago
- Backport changed from 2.0.0: UNKNOWN, 2.1: UNKNOWN to 2.0.0: DONTNEED, 2.1: REQUIRED
Updated by nagachika (Tomoyuki Chikanaga) almost 10 years ago
- Backport changed from 2.0.0: DONTNEED, 2.1: REQUIRED to 2.0.0: DONTNEED, 2.1: DONE
Backported into ruby_2_1
at r48272.
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