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* lib/matrix.rb (determinant): fix name error.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26444 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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mame 2010-01-27 13:49:58 +00:00
parent 69eb602b02
commit a817c0b089
2 changed files with 6 additions and 2 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Wed Jan 27 22:48:40 2010 Yusuke Endoh <mame@tsg.ne.jp>
* lib/matrix.rb (determinant): fix name error.
Wed Jan 27 22:26:25 2010 Yusuke Endoh <mame@tsg.ne.jp> Wed Jan 27 22:26:25 2010 Yusuke Endoh <mame@tsg.ne.jp>
* vm_eval.c (rb_backtrace): "circular require" warning was output to * vm_eval.c (rb_backtrace): "circular require" warning was output to

4
lib/matrix.rb
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@ -681,8 +681,8 @@ class Matrix
i = (k+1 ... size).find {|ii| i = (k+1 ... size).find {|ii|
a[ii][k] != 0 a[ii][k] != 0
} }
return 0 if ii.nil? return 0 if i.nil?
a[ii], a[k] = a[k], a[ii] a[i], a[k] = a[k], a[i]
akk = a[k][k] akk = a[k][k]
det *= -1 det *= -1
end end