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  1. #include <stdio.h>
  2. #include <stdint.h>
  3. #include <string.h>
  4.  
  5. int main()
  6. {
  7.     uint64_t vbi = 0x4141414142424242ULL; // hex representation of double
  8.     double r, vb, va = 1.4426950408889634074;
  9.  
  10.     memcpy(&vb, &vbi, sizeof(vb));        // copy hex to double
  11.     r = va * vb;
  12.     printf("va = %f, vb = %f, r = %f\n", va, vb, r);
  13.     return 0;
  14. }
Success #stdin #stdout 0s 2156KB
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stdin
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Standard input is empty
stdout
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va = 1.442695, vb = 2261634.517647, r = 3262848.902913
https://ideone.com/mA3Fld
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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