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  1. #include <stdint.h>
  2. #include <stdio.h>
  3.  
  4. int main(void) {
  5.   char myString[]="0xbea78f5d";
  6.   uint32_t num;
  7.   float f;
  8.   sscanf(myString, "%x", &num);  // assuming you checked input
  9.   f = *((float*)&num);
  10.   printf("the hexadecimal 0x%08x becomes %.3f as a float\n", num, f);
  11. }
Success #stdin #stdout 0.01s 5308KB
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stdin
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Standard input is empty
stdout
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the hexadecimal 0xbea78f5d becomes -0.327 as a float
https://ideone.com/QEIGCE
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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