2023-2-WS_group_project_Linkes-Twix/src/addition.c

#include "addition.h"
#include <stdlib.h>

void full_adder (num* sum, num* nextcarry, num number1, num number2, num carry) {
    sum[0] = (number1 % 2) ^ (number2 % 2) ^ (carry % 2);
    
    nextcarry[0] = ((number1 % 2) & (number2 % 2)) | ((number1 % 2) & (carry % 2)) | ((number2 % 2) & (carry % 2));
}

unsigned int addition(num number1, num number2) {
    unsigned int result = 0;
    num sum[1] = {0};
    num nextcarry[1] = {0};

    for (int i = 0; i < 8 * sizeof(num); i++)
    {
        full_adder(sum, nextcarry, number1, number2, nextcarry[0]);
        result ^= (sum[0] << i);

        number1 >>= 1;
        number2 >>= 1;
    }

    return result;
}

float addition_float(float a, float b) {
    return 0.0;
}