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Backport #7315

r37565 (bigmul1_toom3 のバグ回避) をバックポートしてください

Added by mrkn (Kenta Murata) over 6 years ago. Updated over 6 years ago.

Status:
Closed
Priority:
Normal
[ruby-dev:46452]

Description

r37565 でコミットした bigmul1_toom3 のバグ回避修正は 1.9.3 にも適用すべきだと思うのでバックポートしてください。


Related issues

Related to Ruby trunk - Bug #7242: Bignum mathematical accuracy regression in r31695Closed10/30/2012Actions

Associated revisions

Revision 122b6dbc
Added by usa (Usaku NAKAMURA) over 6 years ago

merge revision(s) 37565: [Backport #7315]

    * bignum.c (bigmul0): disable big_mul_toom3_temporalily.
      [ruby-core:48552] [Bug #7242]

    * test/ruby/test_bignum.rb (test_mul_large_numbers):
      add a test for bigmul1_toom3 suggested in [Bug #7242].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@37570 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Revision 37570
Added by usa (Usaku NAKAMURA) over 6 years ago

merge revision(s) 37565: [Backport #7315]

* bignum.c (bigmul0): disable big_mul_toom3_temporalily.
  [ruby-core:48552] [Bug #7242]

* test/ruby/test_bignum.rb (test_mul_large_numbers):
  add a test for bigmul1_toom3 suggested in [Bug #7242].

Revision 995e4281
Added by usa (Usaku NAKAMURA) over 6 years ago

merge revision(s) 37567: [Backport #7315]

    * bignum.c (bigmul0): enable big_mul_toom3.
      [ruby-core:48552] [Bug #7242]

    * bignum.c (bigmul1_toom3): fix incorrect calculation.
      the patch is made by Heesob Park.
      [ruby-core:48552] [Bug #7242]

    * bignum.c (bigmul0): disable big_mul_toom3 temporalily.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@37573 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Revision 37573
Added by usa (Usaku NAKAMURA) over 6 years ago

merge revision(s) 37567: [Backport #7315]

* bignum.c (bigmul0): enable big_mul_toom3.
  [ruby-core:48552] [Bug #7242]

* bignum.c (bigmul1_toom3): fix incorrect calculation.
  the patch is made by Heesob Park.
  [ruby-core:48552] [Bug #7242]

* bignum.c (bigmul0): disable big_mul_toom3 temporalily.

History

Updated by mrkn (Kenta Murata) over 6 years ago

r37567 で根本的に修正できたので、これも取り込んでください。

#2

Updated by usa (Usaku NAKAMURA) over 6 years ago

  • Status changed from Assigned to Closed
  • % Done changed from 0 to 100

This issue was solved with changeset r37570.
Kenta, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.


merge revision(s) 37565: [Backport #7315]

* bignum.c (bigmul0): disable big_mul_toom3_temporalily.
  [ruby-core:48552] [Bug #7242]

* test/ruby/test_bignum.rb (test_mul_large_numbers):
  add a test for bigmul1_toom3 suggested in [Bug #7242].

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