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-rw-r--r--test/matrix/test_matrix.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/matrix/test_matrix.rb b/test/matrix/test_matrix.rb
index 3fdef3b314..7f058abe37 100644
--- a/test/matrix/test_matrix.rb
+++ b/test/matrix/test_matrix.rb
@@ -190,6 +190,12 @@ class TestMatrix < Test::Unit::TestCase
assert_equal(@m1, Matrix[o, [4,5,6]])
end
+ def test_round
+ a = Matrix[[1.0111, 2.32320, 3.04343], [4.81, 5.0, 6.997]]
+ b = Matrix[[1.01, 2.32, 3.04], [4.81, 5.0, 7.0]]
+ assert_equal(a.round(2), b)
+ end
+
def test_rows
assert_equal(@m1, Matrix.rows([[1, 2, 3], [4, 5, 6]]))
end