File prettytostring.h

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#ifndef TEMPLAT_UTIL_PRETTYTOSTRING_H
#define TEMPLAT_UTIL_PRETTYTOSTRING_H

/* This file is part of TempLat, available at https://cosmolattice.github.io/templat .
   Copyright 2021-2026 The TempLat authors, see AUTHORS.md.
   Released under the MIT license, see LICENSE.md. */

// File info: Main contributor(s): Adrien Florio, Year: 2020

#include <sstream>
#include <string>

namespace TempLat
{
  class PrettyToString
  {
  public:
    // Put public methods here. These should change very little over time.
    PrettyToString() = default;

    template <typename R> static std::string get(R x, int prec = 14)
    {
      std::ostringstream out;
      out.precision(prec);
      out << std::fixed << x;
      std::string res(out.str());
      removeZeros(res);
      return res;
    }

  private:
    /* Put all member variables and private methods here. These may change arbitrarily. */

    static void removeZeros(std::string &x)
    {
      while (x.back() == '0')
        x.pop_back();
    }
  };

} // namespace TempLat

#endif