co_assign_1_ques_1, C++ (gcc)

co_assign_1_ques_1

#include<stdio.h>

void charbinary(char c)
{ int q;
    for (int i = 7; i >= 0; --i)
    {
        q=(c & (1 << i))? 1 :0;
        printf("%d",q);
    }
}
void binary(int c,int size)
{ int q;
    for (int i = size; i >= 0; --i)
    {
        q=(c & (1 << i))? 1 :0;
        printf("%d",q);
    }
}
typedef union
{
      float f;
      struct
      {
            unsigned int mantissa : 23;
            unsigned int exponent : 8;
            unsigned int sign : 1;
       } field;
} myfloat;
typedef union
{
      double d;
      struct
      {
            unsigned long int mantissa : 52;
            unsigned int exponent : 11;
            unsigned int sign : 1;
       } field;
}Double;
int main(){
		char ch;
		int i;
		printf("enter a char: ");
		scanf("%c",&ch);
		
		printf("enter an integer:");
		scanf("%d",&i);
		
		myfloat var;
	    	printf("Enter a float : ");
         	scanf("%f",&var.f);
           	
           	
           	Double dou;
    		printf("Enter a double : ");
          	scanf("%lf",&dou.d);
           	
		printf("\ninternal representation of,\n");
		
		printf("char(%c): ",ch);
		charbinary(ch);
		printf("\n");
		
		printf("int(%d): ",i);
		binary(i,15);
		printf("\n");
		
		printf("float(%f): ",var.f);
		printf("%d ",var.field.sign);
           	binary(var.field.exponent, 7);
           	printf(" ");
           	binary(var.field.mantissa, 22);
           	printf("\n");
           	
           	printf("double(%lf): ",dou.d);
           	printf("%d ",dou.field.sign);
           	binary(dou.field.exponent, 10);
           	printf(" ");
           	binary(dou.field.mantissa, 5);
		return 0;
}


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