Python Pow._eval_expand_power_base示例

示例#1

文件： mul.py 项目： alxspopov/sympy

    def _eval_power(b, e):

        # don't break up NC terms: (A*B)**3 != A**3*B**3, it is A*B*A*B*A*B
        cargs, nc = b.args_cnc(split_1=False)

        if e.is_Integer:
            return Mul(*[Pow(b, e, evaluate=False) for b in cargs]) * Pow(Mul._from_args(nc), e, evaluate=False)

        p = Pow(b, e, evaluate=False)

        if e.is_Rational or e.is_Float:
            return p._eval_expand_power_base()

        return p

示例#2

文件： mul.py 项目： skolwind/sympy

    def _eval_power(b, e):

        # don't break up NC terms: (A*B)**3 != A**3*B**3, it is A*B*A*B*A*B
        cargs, nc = b.args_cnc(split_1=False)

        if e.is_Integer:
            return Mul(*[Pow(b, e, evaluate=False) for b in cargs]) * \
                Pow(Mul._from_args(nc), e, evaluate=False)

        p = Pow(b, e, evaluate=False)

        if e.is_Rational or e.is_Float:
            return p._eval_expand_power_base()

        return p