diff options
author | hsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-18 08:48:05 +0000 |
---|---|---|
committer | hsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-18 08:48:05 +0000 |
commit | b794145222a109df82c23ce6a2e2c5c99380c4ea (patch) | |
tree | 5791f3493dab6c7b6228a69cae268f885bb7e125 /test/matrix | |
parent | ff4dad976e12827032a182890ee31e35a16d6bdb (diff) | |
download | ruby-b794145222a109df82c23ce6a2e2c5c99380c4ea.tar.gz |
* test/matrix/test_matrix.rb: Add tests for Matrix class.
[Feature #10057][ruby-core:63809]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46861 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/matrix')
-rw-r--r-- | test/matrix/test_matrix.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/matrix/test_matrix.rb b/test/matrix/test_matrix.rb index e38db709a6..7c466e67fd 100644 --- a/test/matrix/test_matrix.rb +++ b/test/matrix/test_matrix.rb @@ -8,6 +8,7 @@ class TestMatrix < Test::Unit::TestCase @m3 = @m1.clone @m4 = Matrix[[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]] @n1 = Matrix[[2,3,4], [5,6,7]] + @c1 = Matrix[[Complex(1,2), Complex(0,1), 0], [1, 2, 3]] end def test_matrix @@ -371,6 +372,40 @@ class TestMatrix < Test::Unit::TestCase assert_equal(Matrix[[1,4],[2,5],[3,6]], @m1.transpose) end + def test_conjugate + assert_equal(Matrix[[Complex(1,-2), Complex(0,-1), 0], [1, 2, 3]], @c1.conjugate) + end + + def test_eigensystem + m = Matrix[[1, 2], [3, 4]] + v, d, v_inv = m.eigensystem + assert(d.diagonal?) + assert_equal(v.inv, v_inv) + assert_equal((v * d * v_inv).round(5), m) + end + + def test_imaginary + assert_equal(Matrix[[2, 1, 0], [0, 0, 0]], @c1.imaginary) + end + + def test_lup + m = Matrix[[1, 2], [3, 4]] + l, u, p = m.lup + assert(l.lower_triangular?) + assert(u.upper_triangular?) + assert(p.permutation?) + assert(l * u == p * m) + assert_equal(m.lup.solve([2, 5]), Vector[1, Rational(1,2)]) + end + + def test_real + assert_equal(Matrix[[1, 0, 0], [1, 2, 3]], @c1.real) + end + + def test_rect + assert_equal([Matrix[[1, 0, 0], [1, 2, 3]], Matrix[[2, 1, 0], [0, 0, 0]]], @c1.rect) + end + def test_row_vectors assert_equal([Vector[1,2,3], Vector[4,5,6]], @m1.row_vectors) end |