diff options
Diffstat (limited to 'numpy/linalg/tests')
| -rw-r--r-- | numpy/linalg/tests/test_build.py | 10 | ||||
| -rw-r--r-- | numpy/linalg/tests/test_linalg.py | 10 | ||||
| -rw-r--r-- | numpy/linalg/tests/test_regression.py | 17 |
3 files changed, 27 insertions, 10 deletions
diff --git a/numpy/linalg/tests/test_build.py b/numpy/linalg/tests/test_build.py index 27fbd6429..0d237c81c 100644 --- a/numpy/linalg/tests/test_build.py +++ b/numpy/linalg/tests/test_build.py @@ -20,16 +20,16 @@ class FindDependenciesLdd(object): except OSError: raise RuntimeError("command %s cannot be run" % self.cmd) - def get_dependencies(self, file): - p = Popen(self.cmd + [file], stdout=PIPE, stderr=PIPE) + def get_dependencies(self, lfile): + p = Popen(self.cmd + [lfile], stdout=PIPE, stderr=PIPE) stdout, stderr = p.communicate() if not (p.returncode == 0): - raise RuntimeError("Failed to check dependencies for %s" % libfile) + raise RuntimeError("failed dependencies check for %s" % lfile) return stdout - def grep_dependencies(self, file, deps): - stdout = self.get_dependencies(file) + def grep_dependencies(self, lfile, deps): + stdout = self.get_dependencies(lfile) rdeps = dict([(dep, re.compile(dep)) for dep in deps]) founds = [] diff --git a/numpy/linalg/tests/test_linalg.py b/numpy/linalg/tests/test_linalg.py index 0c21a4229..8edf36aa6 100644 --- a/numpy/linalg/tests/test_linalg.py +++ b/numpy/linalg/tests/test_linalg.py @@ -1130,13 +1130,13 @@ def test_xerbla_override(): os._exit(os.EX_CONFIG) try: - a = np.array([[1]]) - np.linalg.lapack_lite.dgetrf( - 1, 1, a.astype(np.double), + a = np.array([[1.]]) + np.linalg.lapack_lite.dorgqr( + 1, 1, 1, a, 0, # <- invalid value - a.astype(np.intc), 0) + a, a, 0, 0) except ValueError as e: - if "DGETRF parameter number 4" in str(e): + if "DORGQR parameter number 5" in str(e): # success os._exit(os.EX_OK) diff --git a/numpy/linalg/tests/test_regression.py b/numpy/linalg/tests/test_regression.py index 4ff14a6a5..18d212cdc 100644 --- a/numpy/linalg/tests/test_regression.py +++ b/numpy/linalg/tests/test_regression.py @@ -69,5 +69,22 @@ class TestRegression(TestCase): bp = linalg.cholesky(b) assert_array_equal(ap, bp) + def test_large_svd_32bit(self): + # See gh-4442, 64bit would require very large/slow matrices. + x = np.eye(1000, 66) + np.linalg.svd(x) + + def test_svd_no_uv(self): + # gh-4733 + for shape in (3, 4), (4, 4), (4, 3): + for t in float, complex: + a = np.ones(shape, dtype=t) + w = linalg.svd(a, compute_uv=False) + c = np.count_nonzero(np.absolute(w) > 0.5) + assert_equal(c, 1) + assert_equal(np.linalg.matrix_rank(a), 1) + assert_array_less(1, np.linalg.norm(a, ord=2)) + + if __name__ == '__main__': run_module_suite() |