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  1. #include <iostream>
  2. #include <bitset>
  3. using namespace std;
  4.  
  5. void printBits(const double a)
  6. {
  7. 	cout << bitset<64>(*reinterpret_cast<const uint64_t*>(&a)) << endl;
  8. }
  9.  
  10. int main() 
  11. {
  12.     const double a = 3.14;
  13.     printBits(a);
  14.     printBits(-a);
  15.     printBits(a*2);
  16.     printBits(a*4);
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 4672KB
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stdin
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Standard input is empty
stdout
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0100000000001001000111101011100001010001111010111000010100011111
1100000000001001000111101011100001010001111010111000010100011111
0100000000011001000111101011100001010001111010111000010100011111
0100000000101001000111101011100001010001111010111000010100011111
https://ideone.com/k4D2xc
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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