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Calculator.cpp
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Calculator.cpp
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#include "Calculator.h"
#include <cmath>
#include <string>
using namespace std;
Calculator::Calculator(){
vector<Input*> RPNVec;
lastAns;
}
string Calculator::getlastAns(){
return lastAns;
}
void Calculator::setAns(string ans){
this->lastAns = ans;
}
void Calculator::setVec(vector<Input*> Vec){
RPNVec = Vec;
}
vector<Input*> Calculator::rewriteVec(int index, Input* res){
if(typeid(res) == typeid(Rational)){
Rational* res1 = (Rational*) res;
}
else if(typeid(res) == typeid(Integer)){
Integer* res1 = (Integer*) res;
cout << res1->getInteger() << "this is the input for res"<< endl;
}
cout << index << "this is the index" << endl;
vector<Input*> result;
for(int i =0; i<index; i++){
result.push_back(RPNVec[i]);
}
result.push_back(res);
for(int i =index+1; i<RPNVec.size()-2; i++){
result.push_back(RPNVec[i+2]);
}
//cout << "This is the rewritevec method." << endl;
//for(int i = 0; i < result.size(); i++){
//Integer* numb = (Integer*)result[i];
//Rational* numb = (Rational*)result[i];
//cout << numb->getInteger() << "Index i of the vec" << endl;
//cout << numb->getNoom() << "Numerator" << numb->getDen() << "Denom" << endl;
//}
return result;
}
void Calculator::ansParse(string& y) {
size_t check = y.find("Ans");
size_t check2 = y.find("ans");
size_t position = 0;
if(check != string::npos) {
position = check;
}
else if(check2 != string::npos) {
position = check2;
}
while(position != string::npos){
stringstream ss;
for(int i = 0; i < position; i++) {
ss << y.at(i);
}
ss << getlastAns();
for(int i = position + 3; i< y.size(); i++) {
ss << y.at(i);
}
y = ss.str();
}
}
void Calculator::add(int index){
int result;
if((typeid(*RPNVec[index]) == typeid(Integer)) && (typeid(*RPNVec[index + 1]) == typeid(Integer))){
Integer* first = (Integer*)RPNVec[index];
int number1 = first->getInteger();
Integer* second = (Integer*)RPNVec[index + 1];
int number2 = second->getInteger();
result = number1 + number2;
cout << result <<" this is the result of the addition" << endl;
Integer* res = new Integer(result);
RPNVec = rewriteVec(index, res);
}
else if((typeid(*RPNVec[index]) == typeid(Rational)) && (typeid(*RPNVec[index + 1]) == typeid(Rational))){
Rational* first = (Rational*)RPNVec[index];
Rational* second = (Rational*)RPNVec[index + 1];
Rational* res = first->add(second);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
else if(((typeid(*RPNVec[index]) == typeid(Rational)) && (typeid(*RPNVec[index + 1]) == typeid(Integer)))){
cout << "are you seeing this?";
Rational* first = (Rational*)RPNVec[index];
Integer* second = (Integer*)RPNVec[index+1];
Rational* num = new Rational(second->getInteger(), 1);
Rational* res = first->add(num);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
else if(((typeid(*RPNVec[index]) == typeid(Integer)) && (typeid(*RPNVec[index + 1]) == typeid(Rational)))){
Integer* first = (Integer*)RPNVec[index];
Rational* second = (Rational*)RPNVec[index+1];
Rational* num = new Rational(first->getInteger(), 1);
Rational* res = num->add(second);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
}
void Calculator::subtract(int index){
int result;
if((typeid(*RPNVec[index]) == typeid(Integer)) && (typeid(*RPNVec[index + 1]) == typeid(Integer))){
Integer* first = (Integer*)RPNVec[index];
int number1 = first->getInteger();
Integer* second = (Integer*)RPNVec[index + 1];
int number2 = second->getInteger();
result = number1 - number2;
Integer* res = new Integer(result);
RPNVec = rewriteVec(index,res);
}
else if((typeid(*RPNVec[index]) == typeid(Rational)) && (typeid(*RPNVec[index + 1]) == typeid(Rational))){
Rational* ratfirst = (Rational*)RPNVec[index];
Rational* ratsecond = (Rational*)RPNVec[index + 1];
Rational* res = ratfirst->subtract(ratsecond);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
else if(((typeid(*RPNVec[index]) == typeid(Rational)) && (typeid(*RPNVec[index + 1]) == typeid(Integer)))){
Rational* first = (Rational*)RPNVec[index];
Integer* second = (Integer*)RPNVec[index+1];
Rational* num = new Rational(second->getInteger(), 1);
Rational* res = first->subtract(num);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
else if(((typeid(*RPNVec[index]) == typeid(Integer)) && (typeid(*RPNVec[index + 1]) == typeid(Rational)))){
Integer* first = (Integer*)RPNVec[index];
Rational* second = (Rational*)RPNVec[index+1];
Rational* num = new Rational(first->getInteger(), 1);
Rational* res = num->subtract(second);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
}
void Calculator::divide(int index){
int result = 0;
if((typeid(*RPNVec[index]) == typeid(Integer)) && (typeid(*RPNVec[index + 1]) == typeid(Integer))){
Integer* first = (Integer*)RPNVec[index];
int number1 = first->getInteger();
cout << number1<<" the following is the first number" << endl;
Integer* second = (Integer*)RPNVec[index + 1];
int number2 = second->getInteger();
cout << number2 << " the following is the second number" << endl;
if (number2 == 0){
cout << "Cannot divide by zero" << endl;
result = -1;
}
else if ((number1 >= number2)){
result = number1 / number2;
}
if(number1 % number2 == 0){
Integer* res = new Integer(result);
RPNVec = rewriteVec(index,res);
}
else{
Rational* rat = new Rational(number1, number2);
rat->Simplify();
cout << rat->getNoom() << "<<<This is the numerator" << rat->getDen() << " <<<This is the denom" << endl;
RPNVec = rewriteVec(index, rat);
}
}
else if((typeid(*RPNVec[index]) == typeid(Rational)) && (typeid(*RPNVec[index + 1]) == typeid(Rational))){
Rational* ratfirst = (Rational*)RPNVec[index];
Rational* ratsecond = (Rational*)RPNVec[index + 1];
Rational* res = ratfirst->divide(ratsecond);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
else if(((typeid(*RPNVec[index]) == typeid(Rational)) && (typeid(*RPNVec[index + 1]) == typeid(Integer)))){
Rational* first = (Rational*)RPNVec[index];
Integer* second = (Integer*)RPNVec[index+1];
Rational* num = new Rational(second->getInteger(), 1);
Rational* res = first->divide(num);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
else if(((typeid(*RPNVec[index]) == typeid(Integer)) && (typeid(*RPNVec[index + 1]) == typeid(Rational)))){
Integer* first = (Integer*)RPNVec[index];
Rational* second = (Rational*)RPNVec[index+1];
Rational* num = new Rational(first->getInteger(), 1);
Rational* res = num->divide(second);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
}
void Calculator::multiply(int index){
int result;
if((typeid(*RPNVec[index]) == typeid(Integer)) && (typeid(*RPNVec[index + 1]) == typeid(Integer))){
Integer* first = (Integer*)RPNVec[index];
int number1 = first->getInteger();
cout << "this is the first number in multiply: " << number1 << endl;
Integer* second = (Integer*)RPNVec[index + 1];
int number2 = second->getInteger();
cout << "this is the second number in multiply: " << number2 << endl;
result = number1 * number2;
cout << "the result: " << result << endl;
Integer* res = new Integer(result);
RPNVec = rewriteVec(index,res);
}
else if((typeid(*RPNVec[index]) == typeid(Rational)) && (typeid(*RPNVec[index + 1]) == typeid(Rational))){
Rational* ratfirst = (Rational*)RPNVec[index]; //BUG RIGHT HERE
Rational* ratsecond = (Rational*)RPNVec[index + 1];
Rational* res = ratfirst->multiply(ratsecond);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
else if(((typeid(*RPNVec[index]) == typeid(Rational)) && (typeid(*RPNVec[index + 1]) == typeid(Integer)))){
Rational* first = (Rational*)RPNVec[index];
Integer* second = (Integer*)RPNVec[index+1];
Rational* num = new Rational(second->getInteger(), 1);
Rational* res = first->multiply(num);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
else if(((typeid(*RPNVec[index]) == typeid(Integer)) && (typeid(*RPNVec[index + 1]) == typeid(Rational)))){
Integer* first = (Integer*)RPNVec[index];
Rational* second = (Rational*)RPNVec[index+1];
Rational* num = new Rational(first->getInteger(), 1);
Rational* res = num->multiply(second);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
}
void Calculator::power(int index){
int result;
if((typeid(*RPNVec[index]) == typeid(Integer)) && (typeid(*RPNVec[index + 1]) == typeid(Integer))){
Integer* first = (Integer*)RPNVec[index];
int number1 = first->getInteger();
Integer* second = (Integer*)RPNVec[index + 1];
int number2 = second->getInteger();
result = ipow(number1, number2);
Integer* res = new Integer(result);
RPNVec = rewriteVec(index,res);
}
else if(((typeid(*RPNVec[index]) == typeid(Integer)) && (typeid(*RPNVec[index + 1]) == typeid(Rational)))){
Integer* first = (Integer*)RPNVec[index];
int number1 = first->getInteger();
Rational* second = (Rational*)RPNVec[index+1];
int number2 = second->getNoom();
int number3 = second->getDen();
cout << number2 << " is the numerator for the power" << endl;
cout << number3 << " is the denominator for the power" << endl;
double ans = pow((double) number1, 1.0/number3);
//double ans2 = pow((double) number1, number3);
cout << ans << "This is the DOUBLE answer for the calculation." << endl;
int ansRounded = (int)ans;
double roundResult = (double)ans - (double)ansRounded;
cout << roundResult << "this is the round result." << endl;
cout << " <<<< This is the difference in result between the unrounded and rounded answers." << endl;
if(roundResult == 0){
result = ansRounded;
Integer* res = new Integer(result);
RPNVec = rewriteVec(index, res);
}
else if(roundResult > 0.99){
result = ansRounded + 1;
Integer* res = new Integer(result);
RPNVec = rewriteVec(index, res);
}
//else if() //if the number is a rational, then return it as a rational number
else{ //if result is a decimal, return it as the original number
Irrational* res = new Irrational(); //need to know what to put in here as a parameter! Need the entire expression.
//call res.simplify(), puts in acceptable form
//then will rewrite all to one index
RPNVec = rewriteVec(index, res);
}
}
else if(((typeid(*RPNVec[index]) == typeid(Rational)) && (typeid(*RPNVec[index + 1]) == typeid(Rational)))){
Rational* first = (Rational*)RPNVec[index];
int num1 = first->getNoom();
int den1 = first->getDen();
Rational* second = (Rational*)RPNVec[index+1];
int num2 = second->getNoom();
int den2 = second->getDen();
double ans = pow((double) num1, (double) num2/den2);
int ansRounded = (int)ans;
double roundResult = (double)ans - (double)ansRounded;
if(roundResult > 0.99){
ansRounded = ansRounded + 1;
}
double ans2 = pow((double) num2, (double) num2/den2);
int ansRounded2 = (int)ans;
cout << roundResult << "this is the round result." << endl;
cout << " <<<< This is the difference in result between the unrounded and rounded answers." << endl;
if(roundResult > 0.99){
ansRounded2 = ansRounded2 + 1;
}
Rational* res = new Rational(ansRounded, ansRounded2);
res->Simplify();
RPNVec = rewriteVec(index, res);
//Only works with fractional ints. What if the numerator of the power is greater than 1?
//else{ //if result is a decimal, return it as the original number
//Irrational* res = new Irrational(); //need to know what to put in here as a parameter! Need the entire expression.
//call res.simplify(), puts in acceptable form
//then will rewrite all to one index
//RPNVec = rewriteVec(index, res);
//}
}
else if(((typeid(*RPNVec[index]) == typeid(Rational)) && (typeid(*RPNVec[index + 1]) == typeid(Integer)))){
Rational* first = (Rational*)RPNVec[index];
Integer* second = (Integer*)RPNVec[index+1];
int num1 = second->getInteger();
Rational* res = first->pow(num1);
res->Simplify();
RPNVec = rewriteVec(index, res);
}
}
int Calculator::ipow(int base, int exp){
int result = 1;
while (exp)
{
if (exp & 1)
result *= base;
exp >>= 1;
base *= base;
}
return result;
}
void Calculator::printSolution(){
if(typeid(*RPNVec[0]) == typeid(Integer)){
Integer* num = (Integer*)RPNVec[0];
cout << num->getInteger() << endl;
}
else if(typeid(*RPNVec[0]) == typeid(Rational)){
Rational* rat = (Rational*)RPNVec[0];
cout << rat->getNoom() << "/" << rat->getDen() << endl;
}
}
//expression class with expression vector
//have it recursively call toString
//return type input? We want to track the number, not just return a true and print the answer
//fixes lastAns problem
//the i-2 causes an issue with divide, we need to find a way to reimplement solve.
bool Calculator:: solve(){
for(int i = 2; i<RPNVec.size(); i++){
if(typeid(*RPNVec[i]) == typeid(Operator)){
Operator* opObject = (Operator*)RPNVec[i];
char op = opObject->getOperand();
if(RPNVec.size() == 1){
break;
}
switch(op){
case '+': cout<<"the operating symbols are: " << i;
add(i-2);
return solve();
case '-': subtract(i-2);
return solve();
case '/': divide(i-2);
return solve();
case '*': multiply(i-2);
return solve();
case '^': power(i-2);
return solve();
}
}
}
if(RPNVec.size() == 1){
if(typeid(*RPNVec[0])== typeid(Rational)){
Rational* rat = (Rational*)RPNVec[0];
ostringstream ss;
ss<<rat->getNoom() <<"/"<< rat->getDen();
setAns(ss.str());
}
else if(typeid(*RPNVec[0])== typeid(Integer)){
Integer* ans = (Integer*)RPNVec[0];
ostringstream ss;
ss<<ans->getInteger();
setAns(ss.str());
}
cout << "this is the solution" << endl;
printSolution();
}
else if(RPNVec.size() != 1){
return false;
}
return true;
}