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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 b134bfb3a1..8125fb2bcb 100644
--- a/test/matrix/test_matrix.rb
+++ b/test/matrix/test_matrix.rb
@@ -448,6 +448,12 @@ class TestMatrix < Test::Unit::TestCase
assert_equal(Matrix[[67,96],[48,99]], Matrix[[7,6],[3,9]] ** 2)
assert_equal(Matrix.I(5), Matrix.I(5) ** -1)
assert_raise(Matrix::ErrOperationNotDefined) { Matrix.I(5) ** Object.new }
+
+ m = Matrix[[0,2],[1,0]]
+ exp = 0b11101000
+ assert_equal(Matrix.scalar(2, 1 << (exp/2)), m ** exp)
+ exp = 0b11101001
+ assert_equal(Matrix[[0, 2 << (exp/2)], [1 << (exp/2), 0]], m ** exp)
end
def test_det