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* lib/matrix (column): handle negative arguments. cf [ruby-core:23598]

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25451 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
marcandre 2009-10-24 06:04:56 +00:00
parent e5af8e940b
commit 90d244aded
1 changed files with 2 additions and 2 deletions
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4
lib/matrix.rb
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@ -309,13 +309,13 @@ class Matrix
# #
def column(j) # :yield: e def column(j) # :yield: e
if block_given? if block_given?
return self if j >= column_size return self if j >= column_size || j < -column_size
row_size.times do |i| row_size.times do |i|
yield @rows[i][j] yield @rows[i][j]
end end
self self
else else
return nil if j >= column_size return nil if j >= column_size || j < -column_size
col = (0 ... row_size).collect {|i| col = (0 ... row_size).collect {|i|
@rows[i][j] @rows[i][j]
} }