Program Listing for File Utils.h

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#ifndef UTILS_H_
#define UTILS_H_

#include <string>
#include <vector>
#include <fstream>
#include <sstream>
#include <iostream>
#include <stdexcept>
#include <climits>
#include <cstdlib>
#include <limits>
#include <cmath>
#include <unistd.h>

#define TO_STRING_HELPER(a) #a
#define TO_STRING(a) TO_STRING_HELPER(a)

namespace Util
{

  std::string
  read_file (const std::string & fpath);

  void
  write_file (const std::string & fpath, const std::string & content);

  std::vector<std::string>
  split (const std::string & str, const std::string & delims,
     bool remove_empty = true, bool quoted_names = true);

  std::string
  strip (const std::string & str);

  inline std::string
  get_cwd (void)
  {
    char cwd[1000];
    getcwd (cwd, sizeof(cwd));
    return std::string (cwd);
  }

  inline bool
  double_equal (double a, double b, int ulp = 15)
  {
    double eps = std::numeric_limits<double>::epsilon (), min =
    std::numeric_limits<double>::min ();
    return std::abs (a - b) <= eps * std::abs (a + b) * ulp
    || std::abs (a - b) < min;
  }

  const std::string BLANKS = " \t";

}

#endif /* UTILS_H_ */