linalg.py 文件源码

def pyfftw_empty_aligned(shape, dtype, order='C', n=None):
    """
    Construct an empty byte-aligned array for efficient use by :mod:`pyfftw`.
    This function is a wrapper for :func:`pyfftw.empty_aligned`

    Parameters
    ----------
    shape : sequence of ints
      Output array shape
    dtype : dtype
      Output array dtype
    n : int, optional (default None)
      Output array should be aligned to n-byte boundary

    Returns
    -------
    a :  ndarray
      Empty array with required byte-alignment
    """

    return pyfftw.empty_aligned(shape, dtype, order, n)