Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/mingw32/Python27/Lib/site-packages/numpy/lib/tests/test_regression.py @ 87:2a2c65a20a8b
Add Python libs and headers
author | Chris Cannam |
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date | Wed, 25 Feb 2015 14:05:22 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/mingw32/Python27/Lib/site-packages/numpy/lib/tests/test_regression.py Wed Feb 25 14:05:22 2015 +0000 @@ -0,0 +1,265 @@ +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()