comparison DEPENDENCIES/mingw32/Python27/Lib/site-packages/numpy/lib/tests/test_regression.py @ 87:2a2c65a20a8b

Add Python libs and headers

+from __future__ import division, absolute_import, print_function
+
+import os
+import sys
+
+import numpy as np
+from numpy.testing import (
+    run_module_suite, TestCase, assert_, assert_equal, assert_array_equal,
+    assert_array_almost_equal, assert_raises
+    )
+from numpy.testing.utils import _assert_valid_refcount
+from numpy.compat import unicode
+
+rlevel = 1
+
+
+class TestRegression(TestCase):
+    def test_poly1d(self, level=rlevel):
+        # Ticket #28
+        assert_equal(np.poly1d([1]) - np.poly1d([1, 0]),
+                     np.poly1d([-1, 1]))
+
+    def test_cov_parameters(self, level=rlevel):
+        # Ticket #91
+        x = np.random.random((3, 3))
+        y = x.copy()
+        np.cov(x, rowvar=1)
+        np.cov(y, rowvar=0)
+        assert_array_equal(x, y)
+
+    def test_mem_digitize(self, level=rlevel):
+        # Ticket #95
+        for i in range(100):
+            np.digitize([1, 2, 3, 4], [1, 3])
+            np.digitize([0, 1, 2, 3, 4], [1, 3])
+
+    def test_unique_zero_sized(self, level=rlevel):
+        # Ticket #205
+        assert_array_equal([], np.unique(np.array([])))
+
+    def test_mem_vectorise(self, level=rlevel):
+        # Ticket #325
+        vt = np.vectorize(lambda *args: args)
+        vt(np.zeros((1, 2, 1)), np.zeros((2, 1, 1)), np.zeros((1, 1, 2)))
+        vt(np.zeros((1, 2, 1)), np.zeros((2, 1, 1)), np.zeros((1,
+           1, 2)), np.zeros((2, 2)))
+
+    def test_mgrid_single_element(self, level=rlevel):
+        # Ticket #339
+        assert_array_equal(np.mgrid[0:0:1j], [0])
+        assert_array_equal(np.mgrid[0:0], [])
+
+    def test_refcount_vectorize(self, level=rlevel):
+        # Ticket #378
+        def p(x, y):
+            return 123
+        v = np.vectorize(p)
+        _assert_valid_refcount(v)
+
+    def test_poly1d_nan_roots(self, level=rlevel):
+        # Ticket #396
+        p = np.poly1d([np.nan, np.nan, 1], r=0)
+        self.assertRaises(np.linalg.LinAlgError, getattr, p, "r")
+
+    def test_mem_polymul(self, level=rlevel):
+        # Ticket #448
+        np.polymul([], [1.])
+
+    def test_mem_string_concat(self, level=rlevel):
+        # Ticket #469
+        x = np.array([])
+        np.append(x, 'asdasd\tasdasd')
+
+    def test_poly_div(self, level=rlevel):
+        # Ticket #553
+        u = np.poly1d([1, 2, 3])
+        v = np.poly1d([1, 2, 3, 4, 5])
+        q, r = np.polydiv(u, v)
+        assert_equal(q*v + r, u)
+
+    def test_poly_eq(self, level=rlevel):
+        # Ticket #554
+        x = np.poly1d([1, 2, 3])
+        y = np.poly1d([3, 4])
+        assert_(x != y)
+        assert_(x == x)
+
+    def test_mem_insert(self, level=rlevel):
+        # Ticket #572
+        np.lib.place(1, 1, 1)
+
+    def test_polyfit_build(self):
+        # Ticket #628
+        ref = [-1.06123820e-06, 5.70886914e-04, -1.13822012e-01,
+               9.95368241e+00, -3.14526520e+02]
+        x = [90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103,
+             104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115,
+             116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 129,
+             130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141,
+             146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157,
+             158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+             170, 171, 172, 173, 174, 175, 176]
+        y = [9.0, 3.0, 7.0, 4.0, 4.0, 8.0, 6.0, 11.0, 9.0, 8.0, 11.0, 5.0,
+             6.0, 5.0, 9.0, 8.0, 6.0, 10.0, 6.0, 10.0, 7.0, 6.0, 6.0, 6.0,
+             13.0, 4.0, 9.0, 11.0, 4.0, 5.0, 8.0, 5.0, 7.0, 7.0, 6.0, 12.0,
+             7.0, 7.0, 9.0, 4.0, 12.0, 6.0, 6.0, 4.0, 3.0, 9.0, 8.0, 8.0,
+             6.0, 7.0, 9.0, 10.0, 6.0, 8.0, 4.0, 7.0, 7.0, 10.0, 8.0, 8.0,
+             6.0, 3.0, 8.0, 4.0, 5.0, 7.0, 8.0, 6.0, 6.0, 4.0, 12.0, 9.0,
+             8.0, 8.0, 8.0, 6.0, 7.0, 4.0, 4.0, 5.0, 7.0]
+        tested = np.polyfit(x, y, 4)
+        assert_array_almost_equal(ref, tested)
+
+    def test_polydiv_type(self):
+        # Make polydiv work for complex types
+        msg = "Wrong type, should be complex"
+        x = np.ones(3, dtype=np.complex)
+        q, r = np.polydiv(x, x)
+        assert_(q.dtype == np.complex, msg)
+        msg = "Wrong type, should be float"
+        x = np.ones(3, dtype=np.int)
+        q, r = np.polydiv(x, x)
+        assert_(q.dtype == np.float, msg)
+
+    def test_histogramdd_too_many_bins(self):
+        # Ticket 928.
+        assert_raises(ValueError, np.histogramdd, np.ones((1, 10)), bins=2**10)
+
+    def test_polyint_type(self):
+        # Ticket #944
+        msg = "Wrong type, should be complex"
+        x = np.ones(3, dtype=np.complex)
+        assert_(np.polyint(x).dtype == np.complex, msg)
+        msg = "Wrong type, should be float"
+        x = np.ones(3, dtype=np.int)
+        assert_(np.polyint(x).dtype == np.float, msg)
+
+    def test_ndenumerate_crash(self):
+        # Ticket 1140
+        # Shouldn't crash:
+        list(np.ndenumerate(np.array([[]])))
+
+    def test_asfarray_none(self, level=rlevel):
+        # Test for changeset r5065
+        assert_array_equal(np.array([np.nan]), np.asfarray([None]))
+
+    def test_large_fancy_indexing(self, level=rlevel):
+        # Large enough to fail on 64-bit.
+        nbits = np.dtype(np.intp).itemsize * 8
+        thesize = int((2**nbits)**(1.0/5.0)+1)
+
+        def dp():
+            n = 3
+            a = np.ones((n,)*5)
+            i = np.random.randint(0, n, size=thesize)
+            a[np.ix_(i, i, i, i, i)] = 0
+
+        def dp2():
+            n = 3
+            a = np.ones((n,)*5)
+            i = np.random.randint(0, n, size=thesize)
+            a[np.ix_(i, i, i, i, i)]
+
+        self.assertRaises(ValueError, dp)
+        self.assertRaises(ValueError, dp2)
+
+    def test_void_coercion(self, level=rlevel):
+        dt = np.dtype([('a', 'f4'), ('b', 'i4')])
+        x = np.zeros((1,), dt)
+        assert_(np.r_[x, x].dtype == dt)
+
+    def test_who_with_0dim_array(self, level=rlevel):
+        # ticket #1243
+        import os
+        import sys
+
+        oldstdout = sys.stdout
+        sys.stdout = open(os.devnull, 'w')
+        try:
+            try:
+                np.who({'foo': np.array(1)})
+            except:
+                raise AssertionError("ticket #1243")
+        finally:
+            sys.stdout.close()
+            sys.stdout = oldstdout
+
+    def test_include_dirs(self):
+        # As a sanity check, just test that get_include
+        # includes something reasonable.  Somewhat
+        # related to ticket #1405.
+        include_dirs = [np.get_include()]
+        for path in include_dirs:
+            assert_(isinstance(path, (str, unicode)))
+            assert_(path != '')
+
+    def test_polyder_return_type(self):
+        # Ticket #1249
+        assert_(isinstance(np.polyder(np.poly1d([1]), 0), np.poly1d))
+        assert_(isinstance(np.polyder([1], 0), np.ndarray))
+        assert_(isinstance(np.polyder(np.poly1d([1]), 1), np.poly1d))
+        assert_(isinstance(np.polyder([1], 1), np.ndarray))
+
+    def test_append_fields_dtype_list(self):
+        # Ticket #1676
+        from numpy.lib.recfunctions import append_fields
+
+        base = np.array([1, 2, 3], dtype=np.int32)
+        names = ['a', 'b', 'c']
+        data = np.eye(3).astype(np.int32)
+        dlist = [np.float64, np.int32, np.int32]
+        try:
+            append_fields(base, names, data, dlist)
+        except:
+            raise AssertionError()
+
+    def test_loadtxt_fields_subarrays(self):
+        # For ticket #1936
+        if sys.version_info[0] >= 3:
+            from io import StringIO
+        else:
+            from StringIO import StringIO
+
+        dt = [("a", 'u1', 2), ("b", 'u1', 2)]
+        x = np.loadtxt(StringIO("0 1 2 3"), dtype=dt)
+        assert_equal(x, np.array([((0, 1), (2, 3))], dtype=dt))
+
+        dt = [("a", [("a", 'u1', (1, 3)), ("b", 'u1')])]
+        x = np.loadtxt(StringIO("0 1 2 3"), dtype=dt)
+        assert_equal(x, np.array([(((0, 1, 2), 3),)], dtype=dt))
+
+        dt = [("a", 'u1', (2, 2))]
+        x = np.loadtxt(StringIO("0 1 2 3"), dtype=dt)
+        assert_equal(x, np.array([(((0, 1), (2, 3)),)], dtype=dt))
+
+        dt = [("a", 'u1', (2, 3, 2))]
+        x = np.loadtxt(StringIO("0 1 2 3 4 5 6 7 8 9 10 11"), dtype=dt)
+        data = [((((0, 1), (2, 3), (4, 5)), ((6, 7), (8, 9), (10, 11))),)]
+        assert_equal(x, np.array(data, dtype=dt))
+
+    def test_nansum_with_boolean(self):
+        # gh-2978
+        a = np.zeros(2, dtype=np.bool)
+        try:
+            np.nansum(a)
+        except:
+            raise AssertionError()
+
+    def test_py3_compat(self):
+        # gh-2561
+        # Test if the oldstyle class test is bypassed in python3
+        class C():
+            """Old-style class in python2, normal class in python3"""
+            pass
+
+        out = open(os.devnull, 'w')
+        try:
+            np.info(C(), output=out)
+        except AttributeError:
+            raise AssertionError()
+        finally:
+            out.close()
+
+
+if __name__ == "__main__":
+    run_module_suite()