C program for fractional decimal to binary fraction conversion.

source code

#include<stdio.h>

int main()

{

    long double fraDecimal,fraBinary,bFractional = 0.0,dFractional,fraFactor=0.1;

    long int dIntegral,bIntegral=0;

    long int intFactor=1,remainder,temp,i;

    printf("Enter any fractional decimal number: ");

    scanf("%Lf",&fraDecimal);

    dIntegral = fraDecimal;

    dFractional =  fraDecimal - dIntegral;

    while(dIntegral!=0)

{

         remainder=dIntegral%2;

         bIntegral=bIntegral+remainder*intFactor;

         dIntegral=dIntegral/2;

         intFactor=intFactor*10;

    }

   for(i=1;i<=6;i++)

{

       dFractional = dFractional * 2;

       temp =  dFractional;

       bFractional = bFractional + fraFactor* temp;

       if(temp ==1)

             dFractional = dFractional - temp;

              fraFactor=fraFactor/10;

   }

  

   fraBinary =  bIntegral +  bFractional;

   printf("Equivalent binary value: %lf",fraBinary);

   getch();

   return 0;

}