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* lib/matrix.rb (empty): Improved rdoc

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25422 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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marcandre 2009-10-20 19:01:31 +00:00
parent 80a756bbc9
commit 439a1e64d1
1 changed files with 9 additions and 2 deletions
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11
lib/matrix.rb
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@ -229,8 +229,15 @@ class Matrix
# #
# Creates a empty matrix of +row_size+ x +column_size+. # Creates a empty matrix of +row_size+ x +column_size+.
# +row_size+ or +column_size+ must be 0. # +row_size+ or +column_size+ must be 0.
# Matrix.empty(4,0).inspect_org #
# => "#<Matrix:*** @column_size=0, @rows=[[], [], [], []]>" # m = Matrix.empty(2, 0)
# m == Matrix[ [], [] ]
# => true
# n = Matrix.empty(0, 3)
# n == Matrix.columns([ [], [], [] ])
# => true
# m * n
# => Matrix[[0, 0, 0], [0, 0, 0]]
# #
def Matrix.empty(row_size = 0, column_size = 0) def Matrix.empty(row_size = 0, column_size = 0)
Matrix.Raise ErrDimensionMismatch if column_size != 0 && row_size != 0 Matrix.Raise ErrDimensionMismatch if column_size != 0 && row_size != 0