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Calculator

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This commit is contained in:
Nathan
2025-05-13 01:58:46 -05:00
parent 3196f7b81a
commit 32223cfa05
2 changed files with 174 additions and 49 deletions
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181
modules/Archimedes-Modules/Calculator/Calculator.cpp
View File

@@ -1,6 +1,9 @@
#include "Calculator.h"
#include "modules/ImguiModule/ImguiModule.h"
#include <sstream>
#include <cmath>
Calculator::Calculator(Archimedes::App* a, void* h) : Archimedes::Module(a, h) {
@@ -41,6 +44,92 @@ void Calculator::run() {
}
std::string calculate(std::string equation) {
std::stringstream s(equation);
//PEMDAS
while(equation.find('(') != std::string::npos) {
if(equation.find(')') == std::string::npos) {
return "error";
}
int start = equation.find_last_of('(');
int end = equation.find_first_of(')', start);
std::string insert = calculate(equation.substr(start + 1, end - 1));
equation.replace(start, end, insert.c_str());
}
while(equation.find('^') != std::string::npos) {
int mid = equation.find('^');
int start = equation.rfind(' ', mid - 1);
int end = equation.find(' ', mid + 1);
double base = stod(equation.substr(start + 1, mid - 1));
double exp = stod(equation.substr(mid + 1, end - 1));
std::string insert = std::to_string(pow(base, exp));
equation.replace(start, end, insert.c_str());
}
while(equation.find('*') != std::string::npos) {
int mid = equation.find('*');
int start = equation.rfind(' ', mid - 1);
int end = equation.find(' ', mid + 1);
double a = stod(equation.substr(start + 1, mid - 1));
double b = stod(equation.substr(mid + 1, end - 1));
std::string insert = std::to_string(a * b);
equation.replace(start, end, insert.c_str());
}
while(equation.find('/') != std::string::npos) {
int mid = equation.find('/');
int start = equation.rfind(' ', mid - 1);
int end = equation.find(' ', mid + 1);
double a = stod(equation.substr(start + 1, mid - 1));
double b = stod(equation.substr(mid + 1, end - 1));
std::string insert = std::to_string(a / b);
equation.replace(start, end, insert.c_str());
}
while(equation.find('+') != std::string::npos) {
int mid = equation.find('+');
int start = equation.rfind(' ', mid - 1);
int end = equation.find(' ', mid + 1);
double a = stod(equation.substr(start + 1, mid - 1));
double b = stod(equation.substr(mid + 1, end - 1));
std::string insert = std::to_string(a + b);
equation.replace(start, end, insert.c_str());
}
while(equation.find('-') != std::string::npos) {
int mid = equation.find('-');
int start = equation.rfind(' ', mid - 1);
if(start == std::string::npos) {
break;
}
int end = equation.find(' ', mid + 1);
double a = stod(equation.substr(start + 1, mid - 1));
double b = stod(equation.substr(mid + 1, end - 1));
std::string insert = std::to_string(a - b);
equation.replace(start, end, insert.c_str());
}
return equation;
}
void Calculator::basicCalculator() {
static bool b = true;
@@ -51,41 +140,47 @@ void Calculator::basicCalculator() {
ImGui::Begin("Basic Calculator", &open);
ImGui::InputText("equation", &s);
ImGui::Text("%s", s.c_str());
if(ImGui::Button("7")) {
s += "7";
ImGui::BeginGroup();
{
if(ImGui::Button("AC")) {
s += " + ";
}
if(ImGui::Button("()")) {
if(parenthesis) {
s += " ( ";
} else {
s += " ) ";
}
parenthesis = !parenthesis;
}
if(ImGui::Button("Gr")) {
graphing = true;
}
if(ImGui::Button("=")) {
s = calculate(s);
}
}
ImGui::EndGroup();
ImGui::BeginGroup();
{
for(int i = 1; i < 4; i++) {
ImGui::BeginGroup();
for(int j = 6; j >= 0; j -= 3) {
if(ImGui::Button(std::to_string(i + j).c_str())) {
s += std::to_string(i + j);
}
}
ImGui::EndGroup();
if(i < 3) {
ImGui::SameLine();
if(ImGui::Button("8")) {
s += "8";
}
ImGui::SameLine();
if(ImGui::Button("9")) {
s += "9";
}
if(ImGui::Button("4")) {
s += "4";
}
ImGui::SameLine();
if(ImGui::Button("5")) {
s += "5";
}
ImGui::SameLine();
if(ImGui::Button("6")) {
s += "6";
}
if(ImGui::Button("1")) {
s += "1";
}
ImGui::SameLine();
if(ImGui::Button("2")) {
s += "2";
}
ImGui::SameLine();
if(ImGui::Button("3")) {
s += "3";
}
if(ImGui::Button("0")) {
s += "0";
}
@@ -94,15 +189,39 @@ void Calculator::basicCalculator() {
s += ".";
}
ImGui::SameLine();
if(ImGui::Button("󰭜")) {
if(ImGui::Button("del")) {
if(s.back() == ' ') {
s.pop_back();
if(s.back() == '(' || s.back() == ')') {
parenthesis = !parenthesis;
}
s.pop_back();
s.pop_back();
} else {
s.pop_back();
}
}
}
ImGui::EndGroup();
ImGui::SameLine();
ImGui::BeginGroup();
if(ImGui::Button("+")) {
s += " + ";
}
if(ImGui::Button("-")) {
s += " - ";
}
if(ImGui::Button("*")) {
s += " * ";
}
if(ImGui::Button("/")) {
s += " / ";
}
ImGui::EndGroup();
ImGui::End();
}

6
modules/Archimedes-Modules/Calculator/Calculator.h
View File

@@ -15,8 +15,14 @@ class Calculator : public Archimedes::Module {
private:
bool open = true;
bool parenthesis = true;
bool graphing = false;
void basicCalculator();
std::string calculate(std::string);
void graphingCalculator();
};