numpy.lib.stride_tricks.as_strided - python examples

Here are the examples of the python api numpy.lib.stride_tricks.as_strided taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.

145 Examples 7

3 View Complete Implementation : test_stride_tricks.py
Copyright MIT License
Author : PacktPublishing
def as_strided_writeable():
    arr = np.ones(10)
    view = as_strided(arr, writeable=False)
    astert_(not view.flags.writeable)

    # Check that writeable also is fine:
    view = as_strided(arr, writeable=True)
    astert_(view.flags.writeable)
    view[...] = 3
    astert_array_equal(arr, np.full_like(arr, 3))

    # Test that things do not break down for readonly:
    arr.flags.writeable = False
    view = as_strided(arr, writeable=False)
    view = as_strided(arr, writeable=True)
    astert_(not view.flags.writeable)

3 View Complete Implementation : test_stride_tricks.py
Copyright MIT License
Author : PacktPublishing
def as_strided_writeable():
    arr = np.ones(10)
    view = as_strided(arr, writeable=False)
    astert_(not view.flags.writeable)

    # Check that writeable also is fine:
    view = as_strided(arr, writeable=True)
    astert_(view.flags.writeable)
    view[...] = 3
    astert_array_equal(arr, np.full_like(arr, 3))

    # Test that things do not break down for readonly:
    arr.flags.writeable = False
    view = as_strided(arr, writeable=False)
    view = as_strided(arr, writeable=True)
    astert_(not view.flags.writeable)

3 View Complete Implementation : test_stride_tricks.py
Copyright MIT License
Author : PacktPublishing
def as_strided_writeable():
    arr = np.ones(10)
    view = as_strided(arr, writeable=False)
    astert_(not view.flags.writeable)

    # Check that writeable also is fine:
    view = as_strided(arr, writeable=True)
    astert_(view.flags.writeable)
    view[...] = 3
    astert_array_equal(arr, np.full_like(arr, 3))

    # Test that things do not break down for readonly:
    arr.flags.writeable = False
    view = as_strided(arr, writeable=False)
    view = as_strided(arr, writeable=True)
    astert_(not view.flags.writeable)

3 View Complete Implementation : test_stride_tricks.py
Copyright MIT License
Author : PacktPublishing
def as_strided_writeable():
    arr = np.ones(10)
    view = as_strided(arr, writeable=False)
    astert_(not view.flags.writeable)

    # Check that writeable also is fine:
    view = as_strided(arr, writeable=True)
    astert_(view.flags.writeable)
    view[...] = 3
    astert_array_equal(arr, np.full_like(arr, 3))

    # Test that things do not break down for readonly:
    arr.flags.writeable = False
    view = as_strided(arr, writeable=False)
    view = as_strided(arr, writeable=True)
    astert_(not view.flags.writeable)

3 View Complete Implementation : test_stride_tricks.py
Copyright MIT License
Author : PacktPublishing
def as_strided_writeable():
    arr = np.ones(10)
    view = as_strided(arr, writeable=False)
    astert_(not view.flags.writeable)

    # Check that writeable also is fine:
    view = as_strided(arr, writeable=True)
    astert_(view.flags.writeable)
    view[...] = 3
    astert_array_equal(arr, np.full_like(arr, 3))

    # Test that things do not break down for readonly:
    arr.flags.writeable = False
    view = as_strided(arr, writeable=False)
    view = as_strided(arr, writeable=True)
    astert_(not view.flags.writeable)

3 View Complete Implementation : test_stride_tricks.py
Copyright MIT License
Author : PacktPublishing
def as_strided_writeable():
    arr = np.ones(10)
    view = as_strided(arr, writeable=False)
    astert_(not view.flags.writeable)

    # Check that writeable also is fine:
    view = as_strided(arr, writeable=True)
    astert_(view.flags.writeable)
    view[...] = 3
    astert_array_equal(arr, np.full_like(arr, 3))

    # Test that things do not break down for readonly:
    arr.flags.writeable = False
    view = as_strided(arr, writeable=False)
    view = as_strided(arr, writeable=True)
    astert_(not view.flags.writeable)

3 View Complete Implementation : index_tricks.py
Copyright MIT License
Author : PacktPublishing
    def __init__(self, *shape):
        if len(shape) == 1 and isinstance(shape[0], tuple):
            shape = shape[0]
        x = as_strided(_nx.zeros(1), shape=shape,
                       strides=_nx.zeros_like(shape))
        self._it = _nx.nditer(x, flags=['multi_index', 'zerosize_ok'],
                              order='C')

3 View Complete Implementation : index_tricks.py
Copyright MIT License
Author : PacktPublishing
    def __init__(self, *shape):
        if len(shape) == 1 and isinstance(shape[0], tuple):
            shape = shape[0]
        x = as_strided(_nx.zeros(1), shape=shape,
                       strides=_nx.zeros_like(shape))
        self._it = _nx.nditer(x, flags=['multi_index', 'zerosize_ok'],
                              order='C')

3 View Complete Implementation : index_tricks.py
Copyright MIT License
Author : PacktPublishing
    def __init__(self, *shape):
        if len(shape) == 1 and isinstance(shape[0], tuple):
            shape = shape[0]
        x = as_strided(_nx.zeros(1), shape=shape,
                       strides=_nx.zeros_like(shape))
        self._it = _nx.nditer(x, flags=['multi_index', 'zerosize_ok'],
                              order='C')

3 View Complete Implementation : index_tricks.py
Copyright MIT License
Author : PacktPublishing
    def __init__(self, *shape):
        if len(shape) == 1 and isinstance(shape[0], tuple):
            shape = shape[0]
        x = as_strided(_nx.zeros(1), shape=shape,
                       strides=_nx.zeros_like(shape))
        self._it = _nx.nditer(x, flags=['multi_index', 'zerosize_ok'],
                              order='C')