def test_numpress_slof(self):
data = mzml_spectra[0]['intensity array']
encoded = base64.b64encode(
pynumpress.encode_slof(data,
pynumpress.optimal_slof_fixed_point(
data)).tobytes()).decode('ascii')
record = aux.BinaryDataArrayTransformer()._make_record(
encoded, 'MS-Numpress short logged float compression', data.dtype)
self.assertTrue(np.allclose(data, record.decode(), rtol=0.001))
def test_encode_decode_slof(self):
"""
"""
# pynumpress.decoded_data = self.i_slof_data
print(self.i_slof_data)
fp = pynumpress.optimal_slof_fixed_point(self.i_slof_data)
encoded_array = pynumpress.encode_slof(
np.asarray(self.i_slof_data, dtype=np.float64), fp)
decoded_array = pynumpress.decode_slof(encoded_array)
for i, dec in enumerate(decoded_array):
self.assertAlmostEqual(dec, self.i_slof_data[i], places=2)
def test_encode_decode_slof(self):
"""
"""
# pynumpress.decoded_data = self.i_slof_data
print(self.i_slof_data)
fp = pynumpress.optimal_slof_fixed_point(self.i_slof_data)
encoded_array = pynumpress.encode_slof(
np.asarray(self.i_slof_data, dtype=np.float64), fp
)
decoded_array = pynumpress.decode_slof(encoded_array)
for i, dec in enumerate(decoded_array):
self.assertAlmostEqual(dec, self.i_slof_data[i], places=2)
def test_encode_slof(self):
fp = pynumpress.optimal_slof_fixed_point(self.i_slof_data)
encoded_array = pynumpress.encode_slof(np.asarray(self.i_slof_data, dtype=np.float64), fp)
self.assertEqual(len(encoded_array), 14)
self.assertEqual(encoded_array[0], 0x40)
self.assertEqual(encoded_array[1], 0xe3)
self.assertEqual(encoded_array[2], 0xe1)
self.assertEqual(encoded_array[3], 0xe0)
self.assertEqual(encoded_array[4], 0x0)
self.assertEqual(encoded_array[5], 0x0)
self.assertEqual(encoded_array[6], 0x0)
self.assertEqual(encoded_array[7], 0x0)
self.assertEqual(encoded_array[8], 0x40)
self.assertEqual(encoded_array[9], 0x6e)
self.assertEqual(encoded_array[10], 0xbe)
self.assertEqual(encoded_array[11], 0xae)
self.assertEqual(encoded_array[12], 0xff)
self.assertEqual(encoded_array[13], 0xff)