tensorflow_backend.py 文件源码

def all(x, axis=None, keepdims=False):
    '''Bitwise reduction (logical AND).

    Returns an uint8 tensor
    '''
    axis = _normalize_axis(axis, ndim(x))
    x = tf.cast(x, tf.bool)
    x = tf.reduce_all(x, reduction_indices=axis, keep_dims=keepdims)
    return tf.cast(x, tf.uint8)