=运算符重载

Created2025-09-10Updated2025-09-11
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Polynomial& Polynomial::operator=(const Polynomial& p){
		if(this == &p) return *this;
		delete[] coefficients;
		size = p.size;
		coefficients = new double[size];
		for(int i = 0; i < size; i++){
			coefficients[i] = p.coefficients[i];
		}
		return *this;
}

多项式类的赋值

要考虑 a = b = c 这种情况，所以返回reference类型