matrix test fails as follows.

% ./ruby -v test/runner.rb matrix
ruby 1.9.2dev (2010-04-04 trunk 27214) [i686-linux]
Loaded suite test/runner
Started
......EEE............................................E.................
Finished in 0.243457 seconds.

  1) Error:
test_compare_by_row_vectors(TestMatrix):
NoMethodError: undefined method `compare_by_row_vectors' for
Matrix[[1, 2, 3], [4, 5, 6]]:Matrix
    /home/ruby/tcstate/ruby/test/matrix/test_matrix.rb:271:in
`test_compare_by_row_vectors'

  2) Error:
test_det(TestMatrix):
ExceptionForMatrix::ErrDimensionMismatch: Matrix dimension mismatch
    /home/ruby/tcstate/ruby/test/matrix/test_matrix.rb:335:in `test_det'

  3) Error:
test_det_e(TestMatrix):
ExceptionForMatrix::ErrDimensionMismatch: Matrix dimension mismatch
    /home/ruby/tcstate/ruby/test/matrix/test_matrix.rb:342:in `test_det_e'

  4) Error:
test_compare_by(TestVector):
NoMethodError: undefined method `compare_by' for Vector[1, 2, 3]:Vector
    /home/ruby/tcstate/ruby/test/matrix/test_vector.rb:84:in `test_compare_by'

71 tests, 329 assertions, 0 failures, 4 errors, 0 skips

Test run options: --seed 15504
-- 
Tanaka Akira