C Programming Homework Help on Floats Binary to Decimal Conversion

• 13th May, 2022
• 15:21 PM

#include
#include
#include
float b2f(char f_b[]){
    // to store int and frac parts
    int a[20],b[20];   
    int i,j,k,cntint,cntfra,flag,rem;
    // variable for result
    float rem1;       
    cntint=cntfra=flag=rem=0;
    rem1=0.0;
    // check for . and seperates binary
    for(i=0,j=0,k=0;i     {
        if(f_b[i]=='.')
        {
            flag=1;
        }
    else if(flag==0){
        a[j++]=f_b[i]-'0';
    }
    else if(flag==1){
        b[k++]=f_b[i]-'0';
    }
    }
    cntint=j;
    cntfra=k;
    // creates integer part using array stored above
    for(j=0,i=cntint-1;j     {
        rem = rem + (a[j]*pow(2,i));
    }
    // creates fraction part using array stored above
    for(k=0,i=1;k     {
        rem1 = rem1 + (b[k]/pow(2,i));
    }
    //result which is sum of int and fraction
    rem1 = rem + rem1;
   return rem1;
}

int main()
{
    
    char s[20];
    printf("Enter the binary no : ");
    scanf("%s",s);
    printf("%f",b2f(s));
}