II-32bit, C++ (gcc)

II-32bit

#include<bits/stdc++.h>
using namespace std;
 
void printBinary(int n, int i)
{
 
    // Prints the binary representation
    // of a number n up to i-bits.
    int k;
    for (k = i - 1; k >= 0; k--) {
 
        if ((n >> k) & 1)
            cout << "1";
        else
            cout << "0";
    }
}
 
typedef union {
 
    float f;
    struct
    {
 
        // Order is important.
        // Here the members of the union data structure
        // use the same memory (32 bits).
        // The ordering is taken
        // from the LSB to the MSB.
        unsigned int mantissa : 23;
        unsigned int exponent : 8;
        unsigned int sign : 1;
 
    } raw;
} myfloat;
 
// Function to convert real value
// to IEEE foating point representation
void printIEEE(myfloat var)
{
 
    // Prints the IEEE 754 representation
    // of a float value (32 bits)
 
    cout << var.raw.sign << " | ";
    printBinary(var.raw.exponent, 8);
    cout << " | ";
    printBinary(var.raw.mantissa, 23);
    cout << "\n";
}
 
// Driver Code
int main()
{
 
    // Instantiate the union
    myfloat var;
 
    // Get the real value
    var.f ;
    cin >>var.f;

cout << fixed << setprecision(6) << var.f << endl;
    printIEEE(var);
 
    return 0;
}


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