printer_mathml.py 文件源码

def _print_Rational(self, e):
        """Print a Rational object.

        :param e: The expression.
        :rtype : bce.dom.mathml.all.Base
        :return: The printed MathML object.
        """

        assert isinstance(e, _sympy.Rational)

        if e.q == 1:
            #  Don't do division if the denominator is 1.
            return _mathml.NumberComponent(str(e.p))

        return _mathml.FractionComponent(
            _mathml.NumberComponent(str(e.p)),
            _mathml.NumberComponent(str(e.q))
        )