stringpict.py 文件源码

python
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项目:zippy 作者: securesystemslab 项目源码 文件源码
def __div__(self, den, slashed=False):
        """Make a pretty division; stacked or slashed.
        """
        if slashed:
            raise NotImplementedError("Can't do slashed fraction yet")
        num = self
        if num.binding == prettyForm.DIV:
            num = stringPict(*num.parens())
        if den.binding == prettyForm.DIV:
            den = stringPict(*den.parens())

        if num.binding==prettyForm.NEG:
            num = num.right(" ")[0]

        return prettyForm(binding=prettyForm.DIV, *stringPict.stack(
            num,
            stringPict.LINE,
            den))
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