def test_float64(self):
logging.debug('')
logging.debug('test_float64')
# Double precision.
data = numpy.arange(0, 10, dtype=numpy.float64)
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 80)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats(data.size)
numpy.testing.assert_array_equal(new_data, data)
# Unformatted scalar.
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, unformatted=True)
stream.write_float(1., full_record=True)
self.assertEqual(os.path.getsize(self.filename), 16)
with open(self.filename, 'rb') as inp:
new_data = inp.read()
self.assertEqual(new_data, UNF_R8)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_float()
try:
self.assertEqual(new_data, 1.)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, unformatted=True)
new_data = stream.read_float(full_record=True)
self.assertEqual(new_data, 1.)
# Unformatted array.
data = numpy.arange(1, 9, dtype=numpy.float64)
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, unformatted=True)
stream.write_floats(data, full_record=True)
self.assertEqual(os.path.getsize(self.filename), 72)
with open(self.filename, 'rb') as inp:
new_data = inp.read()
self.assertEqual(new_data, UNF_R8A)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats(data.size)
try:
numpy.testing.assert_array_equal(new_data, data)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, unformatted=True)
new_data = stream.read_floats(data.size, full_record=True)
numpy.testing.assert_array_equal(new_data, data)
# Write as single precision.
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, single_precision=True)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 32)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True)
new_data = stream.read_floats(data.size)
numpy.testing.assert_array_equal(new_data, data)
# Row-major.
data = numpy.arange(0, 10, dtype=numpy.float64)
arr2d = data.reshape((5, 2))
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True)
stream.write_floats(arr2d)
self.assertEqual(os.path.getsize(self.filename), 80)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats((5, 2))
numpy.testing.assert_array_equal(new_data, arr2d)
# Column-major.
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True)
stream.write_floats(arr2d, order='Fortran')
self.assertEqual(os.path.getsize(self.filename), 80)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats((5, 2))
try:
numpy.testing.assert_array_equal(new_data, arr2d)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats((5, 2), order='Fortran')
numpy.testing.assert_array_equal(new_data, arr2d)
# Text.
with open(self.filename, 'w') as out:
stream = Stream(out)
stream.write_floats(arr2d, order='Fortran', linecount=4)
with open(self.filename, 'r') as inp:
stream = Stream(inp)
new_data = stream.read_floats((5, 2))
try:
numpy.testing.assert_array_equal(new_data, arr2d)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'r') as inp:
stream = Stream(inp)
new_data = stream.read_floats((5, 2), order='Fortran')
numpy.testing.assert_array_equal(new_data, arr2d)
def test_float64(self):
logging.debug('')
logging.debug('test_float64')
# Double precision.
data = numpy.arange(0, 10, dtype=numpy.float64)
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 80)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats(data.size)
numpy.testing.assert_array_equal(new_data, data)
# Unformatted scalar.
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, unformatted=True)
stream.write_float(1., full_record=True)
self.assertEqual(os.path.getsize(self.filename), 16)
with open(self.filename, 'rb') as inp:
new_data = inp.read()
self.assertEqual(new_data, UNF_R8)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_float()
try:
self.assertEqual(new_data, 1.)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, unformatted=True)
new_data = stream.read_float(full_record=True)
self.assertEqual(new_data, 1.)
# Unformatted array.
data = numpy.arange(1, 9, dtype=numpy.float64)
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, unformatted=True)
stream.write_floats(data, full_record=True)
self.assertEqual(os.path.getsize(self.filename), 72)
with open(self.filename, 'rb') as inp:
new_data = inp.read()
self.assertEqual(new_data, UNF_R8A)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats(data.size)
try:
numpy.testing.assert_array_equal(new_data, data)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, unformatted=True)
new_data = stream.read_floats(data.size, full_record=True)
numpy.testing.assert_array_equal(new_data, data)
# Write as single precision.
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, single_precision=True)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 32)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True)
new_data = stream.read_floats(data.size)
numpy.testing.assert_array_equal(new_data, data)
# Row-major.
data = numpy.arange(0, 10, dtype=numpy.float64)
arr2d = data.reshape((5, 2))
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True)
stream.write_floats(arr2d)
self.assertEqual(os.path.getsize(self.filename), 80)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats((5, 2))
numpy.testing.assert_array_equal(new_data, arr2d)
# Column-major.
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True)
stream.write_floats(arr2d, order='Fortran')
self.assertEqual(os.path.getsize(self.filename), 80)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats((5, 2))
try:
numpy.testing.assert_array_equal(new_data, arr2d)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats((5, 2), order='Fortran')
numpy.testing.assert_array_equal(new_data, arr2d)
# Text.
with open(self.filename, 'w') as out:
stream = Stream(out)
stream.write_floats(arr2d, order='Fortran', linecount=4)
with open(self.filename, 'r') as inp:
stream = Stream(inp)
new_data = stream.read_floats((5, 2))
try:
numpy.testing.assert_array_equal(new_data, arr2d)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'r') as inp:
stream = Stream(inp)
new_data = stream.read_floats((5, 2), order='Fortran')
numpy.testing.assert_array_equal(new_data, arr2d)
def test_float32(self):
logging.debug('')
logging.debug('test_float32')
# Single precision.
data = numpy.arange(0, 10, dtype=numpy.float32)
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, single_precision=True)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 40)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True)
new_data = stream.read_floats(data.size)
numpy.testing.assert_array_equal(new_data, data)
# Text scalar.
with open(self.filename, 'w') as out:
stream = Stream(out)
stream.write_float(4., sep=' ')
stream.write_float(2., full_record=True)
size = 5 if sys.platform == 'win32' else 4 # CR LF
self.assertEqual(os.path.getsize(self.filename), size)
with open(self.filename, 'r') as inp:
new_data = inp.read()
self.assertEqual(new_data, '4 2\n')
# Unformatted scalar.
with open(self.filename, 'wb') as out:
stream = Stream(out,
binary=True,
single_precision=True,
unformatted=True)
stream.write_float(1., full_record=True)
self.assertEqual(os.path.getsize(self.filename), 12)
with open(self.filename, 'rb') as inp:
new_data = inp.read()
self.assertEqual(new_data, UNF_R4)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True)
new_data = stream.read_float()
try:
self.assertEqual(new_data, 1.)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp,
binary=True,
single_precision=True,
unformatted=True)
new_data = stream.read_float(full_record=True)
self.assertEqual(new_data, 1.)
# Unformatted array.
data = numpy.arange(1, 9, dtype=numpy.float32)
with open(self.filename, 'wb') as out:
stream = Stream(out,
binary=True,
single_precision=True,
unformatted=True)
stream.write_floats(data, full_record=True)
self.assertEqual(os.path.getsize(self.filename), 40)
with open(self.filename, 'rb') as inp:
new_data = inp.read()
self.assertEqual(new_data, UNF_R4A)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True)
new_data = stream.read_floats(data.size)
try:
numpy.testing.assert_array_equal(new_data, data)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp,
binary=True,
single_precision=True,
unformatted=True)
new_data = stream.read_floats(data.size, full_record=True)
numpy.testing.assert_array_equal(new_data, data)
# Byteswapped.
swap_endian = sys.byteorder == 'little'
wrong_endian = not swap_endian
data = numpy.arange(0, 10, dtype=numpy.float32)
with open(self.filename, 'wb') as out:
stream = Stream(out,
binary=True,
single_precision=True,
big_endian=swap_endian)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 40)
with open(self.filename, 'rb') as inp:
stream = Stream(inp,
binary=True,
single_precision=True,
big_endian=wrong_endian)
new_data = stream.read_floats(data.size)
try:
numpy.testing.assert_array_equal(new_data, data)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp,
binary=True,
single_precision=True,
big_endian=swap_endian)
new_data = stream.read_floats(data.size)
numpy.testing.assert_array_equal(new_data, data)
# Write as double precision.
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 80)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats(data.size)
numpy.testing.assert_array_equal(new_data, data)
# Write from list.
data = list(data)
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, single_precision=True)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 40)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True)
new_data = stream.read_floats(len(data))
numpy.testing.assert_array_equal(new_data, data)
def test_float32(self):
logging.debug('')
logging.debug('test_float32')
# Single precision.
data = numpy.arange(0, 10, dtype=numpy.float32)
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, single_precision=True)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 40)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True)
new_data = stream.read_floats(data.size)
numpy.testing.assert_array_equal(new_data, data)
# Text scalar.
with open(self.filename, 'w') as out:
stream = Stream(out)
stream.write_float(4., sep=' ')
stream.write_float(2., full_record=True)
size = 5 if sys.platform == 'win32' else 4 # CR LF
self.assertEqual(os.path.getsize(self.filename), size)
with open(self.filename, 'r') as inp:
new_data = inp.read()
self.assertEqual(new_data, '4 2\n')
# Unformatted scalar.
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, single_precision=True,
unformatted=True)
stream.write_float(1., full_record=True)
self.assertEqual(os.path.getsize(self.filename), 12)
with open(self.filename, 'rb') as inp:
new_data = inp.read()
self.assertEqual(new_data, UNF_R4)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True)
new_data = stream.read_float()
try:
self.assertEqual(new_data, 1.)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True,
unformatted=True)
new_data = stream.read_float(full_record=True)
self.assertEqual(new_data, 1.)
# Unformatted array.
data = numpy.arange(1, 9, dtype=numpy.float32)
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, single_precision=True,
unformatted=True)
stream.write_floats(data, full_record=True)
self.assertEqual(os.path.getsize(self.filename), 40)
with open(self.filename, 'rb') as inp:
new_data = inp.read()
self.assertEqual(new_data, UNF_R4A)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True)
new_data = stream.read_floats(data.size)
try:
numpy.testing.assert_array_equal(new_data, data)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True,
unformatted=True)
new_data = stream.read_floats(data.size, full_record=True)
numpy.testing.assert_array_equal(new_data, data)
# Byteswapped.
swap_endian = sys.byteorder == 'little'
wrong_endian = not swap_endian
data = numpy.arange(0, 10, dtype=numpy.float32)
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, single_precision=True,
big_endian=swap_endian)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 40)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True,
big_endian=wrong_endian)
new_data = stream.read_floats(data.size)
try:
numpy.testing.assert_array_equal(new_data, data)
except AssertionError:
pass
else:
self.fail('Expected AssertionError')
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True,
big_endian=swap_endian)
new_data = stream.read_floats(data.size)
numpy.testing.assert_array_equal(new_data, data)
# Write as double precision.
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 80)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True)
new_data = stream.read_floats(data.size)
numpy.testing.assert_array_equal(new_data, data)
# Write from list.
data = list(data)
with open(self.filename, 'wb') as out:
stream = Stream(out, binary=True, single_precision=True)
stream.write_floats(data)
self.assertEqual(os.path.getsize(self.filename), 40)
with open(self.filename, 'rb') as inp:
stream = Stream(inp, binary=True, single_precision=True)
new_data = stream.read_floats(len(data))
numpy.testing.assert_array_equal(new_data, data)
