// file: $SPEECH_HOMEWORK4/hw4/class/snr_ratio/v1.0/snr_cal_2.cc
//

// isip include files
//
#include "signal_noise_ratio.h"
#include "signal_noise_ratio_constants.h"

// method: calculate_file_size_cc
//
// arguments:
//
// return: a logical_1 indicating status
//
int_4 Signal::calculate_file_size_cc (char_1* file_a) {

  // open the input file
  //  
  FILE* fp = fopen ((char*)file_a, "r");

  // rewind to the beginning of the file
  //
  rewind(fp);

  // find the number of bytes total in the file
  //
  int_4 begin = (int_4)ftell(fp);
  fseek(fp, 0, SEEK_END);
  int_4 end = (int_4)ftell(fp);

  fclose(fp);
  
  return (end - begin);
}