Rename matrx to matrixlib.

I forgot to commit the name change suggested by Stefan.  You need to
clean build/install directory when updating to this version.

1 files changed, 33 insertions, 0 deletions

diff --git a/numpy/matrixlib/tests/test_regression.py b/numpy/matrixlib/tests/test_regression.py
new file mode 100644
index 000000000..e0dd745ef
--- /dev/null
+++ b/numpy/matrixlib/tests/test_regression.py
@@ -0,0 +1,33 @@
+from numpy.testing import *
+import numpy as np
+
+rlevel = 1
+
+class TestRegression(TestCase):
+    def test_kron_matrix(self,level=rlevel):
+        """Ticket #71"""
+        x = np.matrix('[1 0; 1 0]')
+        assert_equal(type(np.kron(x,x)),type(x))
+
+    def test_matrix_properties(self,level=rlevel):
+        """Ticket #125"""
+        a = np.matrix([1.0],dtype=float)
+        assert(type(a.real) is np.matrix)
+        assert(type(a.imag) is np.matrix)
+        c,d = np.matrix([0.0]).nonzero()
+        assert(type(c) is np.matrix)
+        assert(type(d) is np.matrix)
+
+    def test_matrix_multiply_by_1d_vector(self, level=rlevel) :
+        """Ticket #473"""
+        def mul() :
+            np.mat(np.eye(2))*np.ones(2)
+
+        self.failUnlessRaises(ValueError,mul)
+
+    def test_matrix_std_argmax(self,level=rlevel):
+        """Ticket #83"""
+        x = np.asmatrix(np.random.uniform(0,1,(3,3)))
+        self.assertEqual(x.std().shape, ())
+        self.assertEqual(x.argmax().shape, ())
+