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* test/matrix/test_matrix.rb (TestMatrix#test_rank):

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added a test method for r24969.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25709 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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yugui 2009-11-10 17:18:31 +00:00
parent 561fbde435
commit c33d5a80c7
2 changed files with 103 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Nov 11 02:14:48 2009 Yuki Sonoda (Yugui) <yugui@yugui.jp>
* test/matrix/test_matrix.rb (TestMatrix#test_rank):
added a test method for r24969.
Tue Nov 10 08:23:21 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* process.c (rb_f_exec, rb_f_system, rb_f_spawn): mentioned abou

98
test/matrix/test_matrix.rb
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@ -46,4 +46,102 @@ class TestMatrix < Test::Unit::TestCase
assert_equal @m1.hash, @m2.hash
assert_equal @m1.hash, @m3.hash
end
def test_rank
[
[[0]],
[[0], [0]],
[[0, 0], [0, 0]],
[[0, 0], [0, 0], [0, 0]],
[[0, 0, 0]],
[[0, 0, 0], [0, 0, 0]],
[[0, 0, 0], [0, 0, 0], [0, 0, 0]],
[[0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]],
].each do |rows|
assert_equal 0, Matrix[*rows].rank
end
[
[[1], [0]],
[[1, 0], [0, 0]],
[[1, 0], [1, 0]],
[[0, 0], [1, 0]],
[[1, 0], [0, 0], [0, 0]],
[[0, 0], [1, 0], [0, 0]],
[[0, 0], [0, 0], [1, 0]],
[[1, 0], [1, 0], [0, 0]],
[[0, 0], [1, 0], [1, 0]],
[[1, 0], [1, 0], [1, 0]],
[[1, 0, 0]],
[[1, 0, 0], [0, 0, 0]],
[[0, 0, 0], [1, 0, 0]],
[[1, 0, 0], [1, 0, 0]],
[[1, 0, 0], [1, 0, 0]],
[[1, 0, 0], [0, 0, 0], [0, 0, 0]],
[[0, 0, 0], [1, 0, 0], [0, 0, 0]],
[[0, 0, 0], [0, 0, 0], [1, 0, 0]],
[[1, 0, 0], [1, 0, 0], [0, 0, 0]],
[[0, 0, 0], [1, 0, 0], [1, 0, 0]],
[[1, 0, 0], [0, 0, 0], [1, 0, 0]],
[[1, 0, 0], [1, 0, 0], [1, 0, 0]],
[[1, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]],
[[1, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]],
[[1, 0, 0], [1, 0, 0], [0, 0, 0], [0, 0, 0]],
[[1, 0, 0], [0, 0, 0], [1, 0, 0], [0, 0, 0]],
[[1, 0, 0], [0, 0, 0], [0, 0, 0], [1, 0, 0]],
[[1, 0, 0], [1, 0, 0], [1, 0, 0], [0, 0, 0]],
[[1, 0, 0], [0, 0, 0], [1, 0, 0], [1, 0, 0]],
[[1, 0, 0], [1, 0, 0], [0, 0, 0], [1, 0, 0]],
[[1, 0, 0], [1, 0, 0], [1, 0, 0], [1, 0, 0]],
[[1]],
[[1], [1]],
[[1, 1]],
[[1, 1], [1, 1]],
[[1, 1], [1, 1], [1, 1]],
[[1, 1, 1]],
[[1, 1, 1], [1, 1, 1]],
[[1, 1, 1], [1, 1, 1], [1, 1, 1]],
[[1, 1, 1], [1, 1, 1], [1, 1, 1], [1, 1, 1]],
].each do |rows|
matrix = Matrix[*rows]
assert_equal 1, matrix.rank
assert_equal 1, matrix.transpose.rank
end
[
[[1, 0], [0, 1]],
[[1, 0], [0, 1], [0, 0]],
[[1, 0], [0, 1], [0, 1]],
[[1, 0], [0, 1], [1, 1]],
[[1, 0, 0], [0, 1, 0]],
[[1, 0, 0], [0, 0, 1]],
[[1, 0, 0], [0, 1, 0], [0, 0, 0]],
[[1, 0, 0], [0, 0, 1], [0, 0, 0]],
[[1, 0, 0], [0, 0, 0], [0, 1, 0]],
[[1, 0, 0], [0, 0, 0], [0, 0, 1]],
[[1, 0], [1, 1]],
[[1, 2], [1, 1]],
[[1, 2], [0, 1], [1, 1]],
].each do |rows|
m = Matrix[*rows]
assert_equal 2, m.rank
assert_equal 2, m.transpose.rank
end
[
[[1, 0, 0], [0, 1, 0], [0, 0, 1]],
[[1, 1, 0], [0, 1, 1], [1, 0, 1]],
[[1, 1, 0], [0, 1, 1], [1, 0, 1]],
[[1, 1, 0], [0, 1, 1], [1, 0, 1], [0, 0, 0]],
[[1, 1, 0], [0, 1, 1], [1, 0, 1], [1, 1, 1]],
[[1, 1, 1], [1, 1, 2], [1, 3, 1], [4, 1, 1]],
].each do |rows|
m = Matrix[*rows]
assert_equal 3, m.rank
assert_equal 3, m.transpose.rank
end
end
end