calculator.cpp

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#include "calculator.h"

Calculator::Calculator(double initialValue)
    : value_(initialValue) {
}

Calculator& Calculator::add(double value) {
    value_ += value;
    return *this;
}

Calculator& Calculator::divide(double divisor) {
    if (divisor == 0.0) {
        throw std::invalid_argument("除数不能为零");
    }
    value_ /= divisor;
    return *this;
}

double Calculator::getValue() const noexcept {
    return value_;
}