/*
mpcx_out_str

outputs a polynomial to a stream

Copyright (C) 2009 Andreas Enge

This file is part of the MPFRCX Library.

The MPFRCX Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

The MPFRCX Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
License for more details.

You should have received a copy of the GNU Lesser General Public License
along with the MPFRCX library; see the file COPYING.LESSER.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA.
*/

#include <stdio.h>
#include "mpfrcx-impl.h"

size_t mpcx_out_str (FILE* stream, int base, size_t n_digits, mpcx_srcptr f) {
   if (stream == NULL)
      stream = stdout;

   if (f->deg == -1) {
      fprintf (stream, "(-1 0)");
      return (size_t) 6u;
   }
   else {
      size_t s = f->deg + 3u; /* for '(', ')' and the spaces */
      int i;

      fprintf (stream, "(");
      s += fprintf (stream, "%i ", f->deg);
      for (i = f->deg; i >= 0; i--) {
         s += mpc_out_str (stream, base, n_digits, f->coeff [i], MPC_RNDNN);
         if (i > 0)
            fprintf (stream, " ");
         else
            fprintf (stream, ")");
      }

      return s;
   }
}