kc3-lang/kc3/misc/f64.c

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• Hash : 821952bb
  Author : Thomas de Grivel
  Date : 2025-11-05T14:03:01
  

  misc (debug) f64
  

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• misc/f64.c

• #include <stdio.h>
  #include <stdint.h>
  #include <string.h>
  
  int main(void) {
      const uint8_t bytes[8] = {0x18, 0x2d, 0x44, 0x54, 0xfb, 0x21, 0x09, 0x40};
      double d;
  
      /* Method 1: memcpy */
      memcpy(&d, bytes, 8);
      printf("memcpy:   %.17g\n", d);
  
      /* Method 2: pointer cast */
      d = *(double *)bytes;
      printf("cast:     %.17g\n", d);
  
      /* Print bytes */
      printf("bytes:    ");
      for (int i = 0; i < 8; i++) {
          printf("%02x ", bytes[i]);
      }
      printf("\n");
  
      return 0;
  }
  

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