#include <cstdio>
#include <cstdlib>
#include <cstring>

using namespace std;

enum Mode {
  as_float,
  as_long
};

int main (int argc, char** argv) {

  Mode mode    = as_float;
  bool verbose = false;
  bool use_stdin = false;
  
  for (int i = 1; i < argc; i++) {
    if (! strcmp (argv[i], "-l")) {
      mode = as_long;
      continue;
    }

    if (! strcmp (argv[i], "-f")) {
      mode = as_float;
      continue;
    }

    if (! strcmp (argv[i], "-v")) {
      verbose = true;
      continue;
    }

    if (! strcmp (argv[i], "-")) {
      use_stdin = true;
    } else {
      use_stdin = false;
    }

    
    FILE* file;
    if (use_stdin) {
      file = stdin;
      if (verbose) printf ("reading from stdin\n");
    } else {
      file = fopen (argv[i], "rb");
      if (verbose) printf ("reading from file: %s\n", argv[i]);
      if (! file) {
        fprintf (stderr, "error reading from file %s, skipping\n", argv[i]);
        continue;
      }
    }

    int address=0;
    switch (mode) {
    case as_float:
      while (1) {
        float data = 0;
        fread (&data, sizeof(float), 1, file);
        if (feof (file) || ferror (file)) break;
        printf ("%+0.6f 0x%0.4X\n", data, address);
        address += sizeof(float);
      }
      break;

    case as_long:
      while (1) {
        long data = 0;
        fread (&data, sizeof(long), 1, file);
        if (feof (file) || ferror (file)) break;
        printf ("%+08li 0x%0.4X\n", data, address);
        address += sizeof(long);
      }
      break;
    }
    if (! use_stdin) {
      fclose (file);
    }    
  }
}