sdf.py 文件源码

def get_keyv(iarr, level):
    i1, i2, i3 = (v.astype("int64") for v in iarr)
    i1 = spread_bitsv(i1, level)
    i2 = spread_bitsv(i2, level) << 1
    i3 = spread_bitsv(i3, level) << 2
    np.bitwise_or(i1, i2, i1)
    np.bitwise_or(i1, i3, i1)
    return i1