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/******************************************************************************
* MODULE     : string_scnot.hpp
* DESCRIPTION: Scientific notation for intervals
* COPYRIGHT  : (C) 2004  Joris van der Hoeven
*******************************************************************************
* This software falls under the GNU general public license and comes WITHOUT
* ANY WARRANTY WHATSOEVER. See the file $TEXMACS_PATH/LICENSE for more details.
* If you don't have this file, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
******************************************************************************/

#ifndef __STRING_SCNOT_HPP
#define __STRING_SCNOT_HPP
#include <basix/string.hpp>
#include <numerix/mmx_mpfr.hpp>
namespace mmx {

string make_range (const string& l, const string& r);
void decompose_range (const string& s, string& l, string& r);
string trunc_digits (const string& s, xnat dd);
syntactic flatten_number (const string& s);
string flatten_as_mmx (const generic& g);

template<typename C> string
flatten_as_string (const C& x) {
  return flatten_as_mmx (as_generic (x));
}

template<typename C> string
as_string (const C& x, xnat dd) {
  if (dd == 0) return flatten_as_string (x);
  else return trunc_digits (flatten_as_string (x), dd);
}

template<typename C> syntactic
flatten_range (const C& x, const C& y) {
  const string s= make_range (flatten_as_string (x), flatten_as_string (y));
  return flatten_number (s);
}

template<typename C> syntactic
flatten_range (const C& x, const C& y, xnat dd) {
  xnat old= mmx_significant_digits;
  mmx_significant_digits= 0;
  const string s= make_range (flatten_as_string (x), flatten_as_string (y));
  mmx_significant_digits= old;
  return flatten_number (trunc_digits (s, dd));
}

} // namespace mmx
#endif // __STRING_SCNOT_HPP