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ComplexNumbers.cpp
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ComplexNumbers.cpp
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#include "ComplexNumbers.h"
void ComplexNumber::setRealPart(ld r) { realPart = r; }
void ComplexNumber::setImaginaryPart(ld i) { imaginaryPart = i; }
void ComplexNumber::showNumber() {
std::cout.precision(1);
std::cout << std::fixed << realPart << (imaginaryPart >= 0 ? "+" : "") << imaginaryPart << "i";
}
ld ComplexNumber::length() { return sqrt(realPart * realPart + imaginaryPart * imaginaryPart); }
ComplexNumber ComplexNumber::multiplicativeInverse(ComplexNumber z) {
ld sq = pow(z.getRealPart(), 2) + pow(z.getImaginaryPart(), 2);
if (sq == 0) throw std::logic_error("You can't divide by 0");
ComplexNumber inverse(z.getRealPart() / sq, (-1) * z.getImaginaryPart() / sq);
return inverse;
}
ComplexNumber ComplexNumber::multiplyComplexNumber(ComplexNumber z, ld alpha) {
z.setRealPart(z.getRealPart() * alpha);
z.setImaginaryPart(z.getImaginaryPart() * alpha);
return z;
}
ComplexNumber ComplexNumber::complexConjugate(ComplexNumber z) {
ComplexNumber conjugate(z.getRealPart(), (-1) * z.getImaginaryPart());
return conjugate;
}
/*
ComplexNumber complexOpposite(ComplexNumber z){
}*/
ld ComplexNumber::getRealPart() {
return realPart;
}
ld ComplexNumber::getImaginaryPart() {
return imaginaryPart;
}
ComplexNumber ComplexNumber::operator+(ComplexNumber z) {
ComplexNumber z1(realPart + z.getRealPart(), imaginaryPart + z.getImaginaryPart());
return z1;
}
ComplexNumber ComplexNumber::operator-(ComplexNumber z) {
ComplexNumber z1(realPart - z.getRealPart(), imaginaryPart - z.getImaginaryPart());
return z1;
}
ComplexNumber ComplexNumber::operator*(ComplexNumber z) {//come again
ComplexNumber result(realPart * z.getRealPart() - imaginaryPart * z.getImaginaryPart(),
realPart * z.getImaginaryPart() + imaginaryPart * z.getRealPart());
return result;
}
ComplexNumber ComplexNumber::operator/(ComplexNumber z) { return (*this) * multiplicativeInverse(z); }
bool ComplexNumber::operator==(ComplexNumber z) {
return (realPart == z.getRealPart()) && (imaginaryPart == z.getImaginaryPart());
}
bool ComplexNumber::operator!=(ComplexNumber z) {
return (realPart != z.getRealPart() || imaginaryPart != z.getImaginaryPart());
}
void ComplexNumber::operator=(ComplexNumber z) {
realPart = z.getRealPart();
imaginaryPart = z.getImaginaryPart();
}
ComplexNumber ComplexNumber::operator+=(ComplexNumber z) {
ComplexNumber k(realPart + z.getRealPart(), imaginaryPart + z.getImaginaryPart());
return k;
}
ComplexNumber ComplexNumber::operator-=(ComplexNumber z) {
ComplexNumber k(realPart - z.getRealPart(), imaginaryPart - z.getImaginaryPart());
return k;
}