2023-2-WS_group_project_caschenrechner/src/main/c/BasicMode.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>

#include "taschenrechner.h"


void BasicMode() {
	char endtmp = '0';	//0 false, 1 true
	double result = 0;
	double numbers[100] = {0.0};
	char operators[100];

	do {
		//100 doubles in this array  goes through the for loop till 100 numbers or = is entered
		for (int i = 0; i < 100; i++) {
			printf("Enter a Number: ");
			numbers[i] = testForNumber();	//gets number

			printf("Enter a operation: ");
			operators[i] = testForOperator();	//gets operator
		}
	} while (endtmp != '1');


	for (int i = 0; i < 100; i++) {//checks all operators to check for priority
		if ((operators[i] == '/' || operators[i] == '*') && i > 1) {	//if operators[i] == / or * and i>1 so you dont get numbers[-1]
			if (operators[i] == '/') {
				result += divide(numbers[i - 1], numbers[i]);		//divides if char is / and adds number to the result 
			}
																	//	for all calculations we take the number and the number before that 
			else {													//	and do the operation 
				result += multiply(numbers[i - 1], numbers[i]);		//multiplys if char is * and adds number to the result 
			}
		}
		
		else if ((operators[i] == '+' || operators[i] == '-') && i > 1) {
			if (operators[i] == '+') {
				result += add(numbers[i - 1], numbers[i]);		//adds if char is + and adds number to the result
			}

			else {
				result += minus(numbers[i - 1], numbers[i]);		//subtrakts if char is - and adds number to the result
			}
		}

		else if (i<=1 && operators[i] == '=') {		//if there are less then 2 numbers in the array 
			result = numbers[i];					//set result to the 0 digit
		}

		else if (operators[i] == '=') {				//if char is = 
			printf("The result is: %f", result);	//print out the result
			i = 100; 
			break;
		}
		i++;
	}
}