def _rewrite1(f, x, recursive=True):
    fac, po, g = _split_mul(f, x)
    g = _rewrite_single(g, x, recursive)
    if g:
        return fac, po, g[0], g[1]
Try to rewrite f using a (sum of) single G functions with argument a*x**b.
dataset/ETHPy150Open sympy/sympy/sympy/integrals/meijerint.py/_rewrite1