src/library.cpp - patch - oop_nust_misis/complex-forthang

src/library.cpp
74 строки2 KB
forthang
update src/library.cpp
12 апр 2025, 23:26
12 апр 2025, 23:260da9b35
#include "library.hpp"
#include <stdexcept>
#include <istream>
#include <ostream>
#include <limits>

namespace template_library {

    Complex::Complex() : m_real(0.0), m_imag(0.0) {}

    Complex::Complex(double real, double imag) : m_real(real), m_imag(imag) {}

    double Complex::real() const { return m_real; }
    double Complex::imag() const { return m_imag; }

    Complex Complex::operator+(const Complex& other) const {
        return Complex(m_real + other.m_real, m_imag + other.m_imag);
    }

    Complex Complex::operator-(const Complex& other) const {
        return Complex(m_real - other.m_real, m_imag - other.m_imag);
    }

    Complex Complex::operator*(const Complex& other) const {
        return Complex(
            m_real * other.m_real - m_imag * other.m_imag,
            m_real * other.m_imag + m_imag * other.m_real
        );
    }

    Complex Complex::operator/(const Complex& other) const {
        double denominator = other.m_real * other.m_real + other.m_imag * other.m_imag;
        if (denominator == 0) {
            throw std::invalid_argument("Complex division by zero");
        }
        return Complex(
            (m_real * other.m_real + m_imag * other.m_imag) / denominator,
            (m_imag * other.m_real - m_real * other.m_imag) / denominator
        );
    }

    Complex operator*(double m, const Complex& other) {
        return Complex(m * other.m_real, m * other.m_imag);
    }

    Complex operator*(const Complex& other, double m) {
        return Complex(m * other.m_real, m * other.m_imag);
    }

    std::ostream& operator<<(std::ostream& os, const Complex& c) {
        os << '(' << c.m_real << ", " << c.m_imag << ')';
        return os;
    }

    std::istream& operator>>(std::istream& is, Complex& c) {
        char ch;
        is >> ch;
        if (ch != '(') {
            is.setstate(std::ios::failbit);
            return is;
        }
        is >> c.m_real >> ch;
        if (ch != ',') {
            is.setstate(std::ios::failbit);
            return is;
        }
        is >> c.m_imag >> ch;
        if (ch != ')') {
            is.setstate(std::ios::failbit);
        }
        return is;
    }

}