def testSC(self):
"""test that datasets are unchanged after various compression/decompressions"""
obt_np = compression.decByteOffset_numpy(compression.compByteOffset_numpy(self.ds))
self.assertEqual(abs(self.ds - obt_np).max(), 0.0, "numpy-numpy algo")
obt_cy = compression.decByteOffset_cython(compression.compByteOffset_numpy(self.ds))
self.assertEqual(abs(self.ds - obt_cy).max(), 0.0, "cython-numpy algo")
obt_cy2 = compression.decByteOffset_cython(compression.compByteOffset_numpy(self.ds), self.ds.size)
self.assertEqual(abs(self.ds - obt_cy2).max(), 0.0, "cython2-numpy algo_orig")
obt_np = compression.decByteOffset_numpy(compression.compByteOffset_cython(self.ds))
self.assertEqual(abs(self.ds - obt_np).max(), 0.0, "numpy-numpy algo")
obt_cy = compression.decByteOffset_cython(compression.compByteOffset_cython(self.ds))
self.assertEqual(abs(self.ds - obt_cy).max(), 0.0, "cython-numpy algo")
obt_cy2 = compression.decByteOffset_cython(compression.compByteOffset_cython(self.ds), self.ds.size)
self.assertEqual(abs(self.ds - obt_cy2).max(), 0.0, "cython2-numpy algo_orig")
def testSC(self):
"""test that datasets are unchanged after various compression/decompressions"""
obt_np = compression.decByteOffset_numpy(compression.compByteOffset_numpy(self.ds))
self.assertEqual(abs(self.ds - obt_np).max(), 0.0, "numpy-numpy algo")
obt_cy = compression.decByteOffset_cython(compression.compByteOffset_numpy(self.ds))
self.assertEqual(abs(self.ds - obt_cy).max(), 0.0, "cython-numpy algo")
obt_cy2 = compression.decByteOffset_cython(compression.compByteOffset_numpy(self.ds), self.ds.size)
self.assertEqual(abs(self.ds - obt_cy2).max(), 0.0, "cython2-numpy algo_orig")
obt_np = compression.decByteOffset_numpy(compression.compByteOffset_cython(self.ds))
self.assertEqual(abs(self.ds - obt_np).max(), 0.0, "numpy-numpy algo")
obt_cy = compression.decByteOffset_cython(compression.compByteOffset_cython(self.ds))
self.assertEqual(abs(self.ds - obt_cy).max(), 0.0, "cython-numpy algo")
obt_cy2 = compression.decByteOffset_cython(compression.compByteOffset_cython(self.ds), self.ds.size)
self.assertEqual(abs(self.ds - obt_cy2).max(), 0.0, "cython2-numpy algo_orig")
def testComp(self):
"""
"""
# first with numpy
ds = numpy.array([0, 128])
ref = b"\x00\x80\x80\00"
self.assertEqual(ref, compression.compByteOffset_numpy(ds),
"test +128")
ds = numpy.array([0, -128])
ref = b'\x00\x80\x80\xff'
self.assertEqual(ref, compression.compByteOffset_numpy(ds),
"test -128")
ds = numpy.array([10, -128])
ref = b'\n\x80v\xff'
self.assertEqual(ref, compression.compByteOffset_numpy(ds),
"test +10 -128")
self.assertEqual(self.ref, compression.compByteOffset_numpy(self.ds),
"test larger")
# Then with cython 32 bits
ds = numpy.array([0, 128], dtype="int32")
ref = b"\x00\x80\x80\00"
self.assertEqual(ref, compression.compByteOffset_cython(ds),
"test +128")
ds = numpy.array([0, -128], dtype="int32")
ref = b'\x00\x80\x80\xff'
self.assertEqual(ref, compression.compByteOffset_cython(ds),
"test -128")
ds = numpy.array([10, -128], dtype="int32")
ref = b'\n\x80v\xff'
self.assertEqual(ref, compression.compByteOffset_cython(ds),
"test +10 -128")
self.assertEqual(self.ref, compression.compByteOffset_cython(self.ds),
"test larger")
# Then with cython 64bits
ds = numpy.array([0, 128], dtype="int64")
ref = b"\x00\x80\x80\00"
self.assertEqual(ref, compression.compByteOffset_cython(ds),
"test +128")
ds = numpy.array([0, -128], dtype="int64")
ref = b'\x00\x80\x80\xff'
self.assertEqual(ref, compression.compByteOffset_cython(ds),
"test -128")
ds = numpy.array([10, -128], dtype="int64")
ref = b'\n\x80v\xff'
self.assertEqual(ref, compression.compByteOffset_cython(ds),
"test +10 -128")
self.assertEqual(self.ref, compression.compByteOffset_cython(self.ds),
"test larger")
def testComp(self):
"""
"""
# first with numpy
ds = numpy.array([0, 128])
ref = b"\x00\x80\x80\00"
self.assertEqual(ref, compression.compByteOffset_numpy(ds), "test +128")
ds = numpy.array([0, -128])
ref = b'\x00\x80\x80\xff'
self.assertEqual(ref, compression.compByteOffset_numpy(ds), "test -128")
ds = numpy.array([10, -128])
ref = b'\n\x80v\xff'
self.assertEqual(ref, compression.compByteOffset_numpy(ds), "test +10 -128")
self.assertEqual(self.ref, compression.compByteOffset_numpy(self.ds), "test larger")
# Then with cython 32 bits
ds = numpy.array([0, 128], dtype="int32")
ref = b"\x00\x80\x80\00"
self.assertEqual(ref, compression.compByteOffset_cython(ds), "test +128")
ds = numpy.array([0, -128], dtype="int32")
ref = b'\x00\x80\x80\xff'
self.assertEqual(ref, compression.compByteOffset_cython(ds), "test -128")
ds = numpy.array([10, -128], dtype="int32")
ref = b'\n\x80v\xff'
self.assertEqual(ref, compression.compByteOffset_cython(ds), "test +10 -128")
self.assertEqual(self.ref, compression.compByteOffset_cython(self.ds), "test larger")
# Then with cython 64bits
ds = numpy.array([0, 128], dtype="int64")
ref = b"\x00\x80\x80\00"
self.assertEqual(ref, compression.compByteOffset_cython(ds), "test +128")
ds = numpy.array([0, -128], dtype="int64")
ref = b'\x00\x80\x80\xff'
self.assertEqual(ref, compression.compByteOffset_cython(ds), "test -128")
ds = numpy.array([10, -128], dtype="int64")
ref = b'\n\x80v\xff'
self.assertEqual(ref, compression.compByteOffset_cython(ds), "test +10 -128")
self.assertEqual(self.ref, compression.compByteOffset_cython(self.ds), "test larger")