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Diffstat (limited to 'test/matrix')
| -rw-r--r-- | test/matrix/test_matrix.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/matrix/test_matrix.rb b/test/matrix/test_matrix.rb index 5b0bc968f7..92a24d1e9f 100644 --- a/test/matrix/test_matrix.rb +++ b/test/matrix/test_matrix.rb @@ -592,6 +592,23 @@ class TestMatrix < Test::Unit::TestCase assert_equal Matrix[[1],[2],[3]], Matrix.vstack(Vector[1,2], Vector[3]) end + def test_combine + x = Matrix[[6, 6], [4, 4]] + y = Matrix[[1, 2], [3, 4]] + assert_equal Matrix[[5, 4], [1, 0]], Matrix.combine(x, y) {|a, b| a - b} + assert_equal Matrix[[5, 4], [1, 0]], x.combine(y) {|a, b| a - b} + # Without block + assert_equal Matrix[[5, 4], [1, 0]], Matrix.combine(x, y).each {|a, b| a - b} + # With vectors + assert_equal Matrix[[111], [222]], Matrix.combine(Matrix[[1], [2]], Vector[10,20], Vector[100,200], &:sum) + # Basic checks + assert_raise(Matrix::ErrDimensionMismatch) { @m1.combine(x) { raise } } + # Edge cases + assert_equal Matrix.empty, Matrix.combine{ raise } + assert_equal Matrix.empty(3,0), Matrix.combine(Matrix.empty(3,0), Matrix.empty(3,0)) { raise } + assert_equal Matrix.empty(0,3), Matrix.combine(Matrix.empty(0,3), Matrix.empty(0,3)) { raise } + end + def test_eigenvalues_and_eigenvectors_symmetric m = Matrix[ [8, 1], |