fork download
copy 
  1. #include <assert.h>
  2. #include <stdio.h>
  3.  
  4. int main(void) {
  5.     assert(sizeof (float) == 4);
  6.     unsigned char data[4] = {0xa1, 0xb2, 0xc3, 0xd4};
  7.     float f = *(float*)data;
  8.     printf("float is %f\n", f);
  9.  
  10.     data[0] = 0xd4;
  11.     data[1] = 0xc3;
  12.     data[2] = 0xb2;
  13.     data[3] = 0xa1;
  14.     f = *(float*)data;
  15.     printf("float is %f\n", f);
  16.  
  17.     return 0;
  18. }
  19.  
Success #stdin #stdout 0s 4312KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
float is -6724124147712.000000
float is -0.000000
https://ideone.com/8SwJ9x
float
language:
C (gcc 8.3)
created:
5 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!