densearith.py 文件源码

def dmp_div(f, g, u, K):
    """
    Polynomial division with remainder in ``K[X]``.

    Examples
    ========

    >>> from sympy.polys import ring, ZZ, QQ

    >>> R, x,y = ring("x,y", ZZ)
    >>> R.dmp_div(x**2 + x*y, 2*x + 2)
    (0, x**2 + x*y)

    >>> R, x,y = ring("x,y", QQ)
    >>> R.dmp_div(x**2 + x*y, 2*x + 2)
    (1/2*x + 1/2*y - 1/2, -y + 1)

    """
    if K.has_Field:
        return dmp_ff_div(f, g, u, K)
    else:
        return dmp_rr_div(f, g, u, K)