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Full Discussion: Binary to decimal for particular bits
Top Forums Programming Binary to decimal for particular bits Post 302901488 by emily on Wednesday 14th of May 2014 04:21:01 AM
Old 05-14-2014
Binary to decimal for particular bits
Hello,
I have script which work fine [1] on particular data.file [2].
The next feature I want to achieve is to get the decimal equivalent of data[25] to data[31].
The data looks like this :
Code:
data(01000000000000000000110000000000)

thank you..

[1]
Code:
#include <iostream>
#include <fstream>
#include <sstream>
#include <bitset>
#include <string>
#include <limits>
#include <stdlib.h>
using namespace std;

int main(int argc, char *argv[])
{
  string data16, data32;
  unsigned value;
  bool dodebug = true;

  //open datafile
  std::fstream datafile;
  datafile.open("file.dat",std::fstream::in);

  stringstream ss;
  while(!datafile.eof()) {
    ss.clear();
    datafile >> ws;
    datafile >> data16;
    datafile >> data32;
    if(dodebug)   cout<<"data :"<< data16<< ", "<< data32<<endl;
    
    ss << std::hex << data16 << data32;
    ss >> value;
    bitset<32> data(value);
  }
}

[2]
Code:
file.dat:
A0A0
3E01
0400
2A03
C010

 

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LEARN ABOUT NETBSD

load_datafile_object

load_datafile_object(3alleg4)					  Allegro manual				     load_datafile_object(3alleg4)

NAME

       load_datafile_object - Loads a specific object from a datafile. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       DATAFILE *load_datafile_object(const char *filename, const char *objectname);

DESCRIPTION

       Loads  a specific object from a datafile. This won't work if you strip the object names from the file, and it will be very slow if you save
       the file with global compression. Example:

	  /* Load only the music from the datafile. */
	  music_object = load_datafile_object("datafile.dat",
					      "MUSIC");
	  /* Play it and wait a moment for it. */
	  play_midi(music_object->dat);
	  ...
	  /* Destroy unneeded music. */
	  unload_datafile_object(music_object);

RETURN VALUE

       Returns a pointer to a single DATAFILE element whose `dat' member points to the object, or NULL if there was  an  error	or  there  was	no
       object with the requested name. Remember to free this DATAFILE later to avoid memory leaks, but use the correct unloading function!

SEE ALSO

       unload_datafile_object(3alleg4),     load_datafile(3alleg4),	set_color_conversion(3alleg4),	  find_datafile_object(3alleg4),    regis-
       ter_datafile_object(3alleg4)

Allegro 							   version 4.4.2				     load_datafile_object(3alleg4)
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