49 lines
1.8 KiB
C++
49 lines
1.8 KiB
C++
#include "Drone.h"
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#include <cmath>
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#include <iostream>
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// #define DEBUG
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float Drone::calculateChange(float total, float paid) { return paid - total; }
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void Drone::returnChange(float change) {
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float restChange = change;
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std::cout << "Restbetrag: " << restChange << std::endl;
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std::sort(availableCashInstances, availableCashInstances + CashInstanceSize,
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std::greater<>());
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for (int i = 0; i < CashInstanceSize; i++) {
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if (availableCashInstances[i].value >= restChange) {
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}
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while (restChange >= availableCashInstances[i].value &&
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availableCashInstances[i].availableAmount > 0) {
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std::cout << availableCashInstances[i].value << " " << std::flush;
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#ifdef DEBUG
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std::cout << "restChange: " << restChange
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<< " Current Coin: " << availableCashInstances[i].value
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<< std::flush << std::endl;
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#endif
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availableCashInstances[i].availableAmount--;
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restChange =
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std::round((restChange - availableCashInstances[i].value) * 100) /
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100;
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}
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}
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std::cout << std::endl;
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if (restChange > 0.009) {
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for (int i = CashInstanceSize - 1; i >= 0; i--) {
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if (availableCashInstances[i].value >= restChange &&
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availableCashInstances[i].availableAmount > 0) {
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availableCashInstances[i].availableAmount--;
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restChange =
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std::round((restChange - availableCashInstances[i].value) * 100) /
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100;
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std::cout << "Warnung: Rückgeld kann nicht genau herausgegeben werden! "
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"Ausbezahlter Betrag überschreitet den genauen Wert um "
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<< restChange * (-1) << std::endl;
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return;
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}
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}
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std::cout << "Nicht genügend Restgeld vorhanden! Fehlender Betrag: "
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<< restChange << std::endl;
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}
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} |