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C program to convert Binary to decimal with floating point?

+1 vote
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C program to convert Binary to decimal with floating point?
posted Mar 7 by anonymous

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1 Answer

+1 vote
#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<math.h>
void main()
{
    int a[20],b[20];
    int i,j,k,cntint,cntfra,flag,rem;
    float rem1;
    char s[20];
    cntint=cntfra=flag=rem=0;
    rem1=0.0;
    clrscr();
    printf("Enter the binary no : ");
    scanf("%s",s);
    for(i=0,j=0,k=0;i<strlen(s);i++)
    {
        if(s[i]=='.')
        {
            flag=1;
        }
    elseif(flag==0)
        a[j++]=s[i]-48;
    elseif(flag==1)
        b[k++]=s[i]-48;
    }
    cntint=j;
    cntfra=k;
    for(j=0,i=cntint-1;j<cntint;j++,i--)
    {
        rem = rem + (a[j] * pow(2,i));
    }
    for(k=0,i=1;k<cntfra;k++,i++)
    {
        rem1 = rem1 + (b[k] / pow(2,i));
    }
    rem1 = rem + rem1;
    printf("\nThe decimal value of the given binary is : %f",rem1);
    getch();
}


//@ifour technolab pvt. ltd.
answer Mar 14 by Rushabh Verma R.
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–1 vote

Determine the set of inputs that will lead to SIGFPE (floating point exception) being triggered in following C program?

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+3 votes

Decimal to Factorial
23(D) = 3210(F)

23 / 3! = 3 (5)
5 / 2! = 2 (1)
1 / 1! = 1 (0)
0 / 0! = 0 (0)

Factorial to Decimal
3210(F)=23(D),
3*3!+2*2!+1*1!+0*0! = 23(D)

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