base-converting-app-code/MyLibConverter.c at main · RavanMec/base-converting-app-code · GitHub

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#include "MyLibConverter.h"


char str[100]; char to, from; int num = 0; char strbin[100];int sayi;  float fsayi;

int FromDecimal(float sayi) {

    if (to == 'B'){
        int tam = (int)sayi;
        float kesir = sayi - tam;

        if (to == 'D') {
            if (kesir >= 0.5)
                printf("%d", (tam + 1));
            else if (kesir < 0.5)
                printf("%d", tam);
        }

        else if (to == 'B') {

            _itoa(tam, str, 2);
            printf("%s", str);
            printf(".");


            for (int j = 0;j < 8;j++) {
                kesir *= 2;
                int intkesir = (int)kesir;
                float kesirkesir = kesir - intkesir;
                if (intkesir == 1)
                    printf("1");
                else printf("0");
                kesir = kesirkesir;
            }
        }
        else printf("not valid \"to\"");
        return 0;


    }
    else if (to == 'O'){
        _itoa(sayi, str, 8);  puts(str);
    }
    else if (to == 'H'){
        _itoa(sayi, str, 16);  puts(str);
    }
    else printf("not valid \"to\"");
    return 0;
}

int FromBinary(int sayi) {
    int sayi2 = sayi; int j = 0; int num1 = 0;
    while (sayi2 > 0) {
        sayi2 /= 10;
        j++;
    }
    for (int i = 0;i < j;i++) {
        if (sayi % 10)
            num1 += (int)pow(2, i);
        sayi /= 10;
    }
    if (to == 'O') {
        _itoa(num1, str, 8);  puts(str);
    }
    else if (to == 'D')
        printf("%d", num1);

    else if (to == 'H') {
        _itoa(num1, str, 16);  puts(str);
    }

    else printf("not valid \"to\"");
    return 0;

}


int FromHexadecimal() {
    unsigned int number;

    scanf_s("%x", &number);

    if (to == 'D') printf("%d\n", number);
    else if (to == 'B') { _itoa(number, str, 2); puts(str); }
    else if (to == 'O') { _itoa(number, str, 8); puts(str); }
    else printf("not valid \"to\"");
    return 0;

}

int FromOctal() {
    int number;

    scanf_s("%o", &number);

    if (to == 'D') printf("%d\n", number);
    else if (to == 'B') { _itoa(number, str, 2); puts(str); }
    else if (to == 'H') { _itoa(number, str, 16); puts(str); }
    else printf("not valid \"to\"");
    return 0;
}