contrib/mpc/src/out_str.c

   1 /* mpc_out_str -- Output a complex number on a given stream.
   2
   3 Copyright (C) 2009, 2011 INRIA
   4
   5 This file is part of GNU MPC.
   6
   7 GNU MPC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU Lesser General Public License as published by the
   9 Free Software Foundation; either version 3 of the License, or (at your
  10 option) any later version.
  11
  12 GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  14 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
  15 more details.
  16
  17 You should have received a copy of the GNU Lesser General Public License
  18 along with this program. If not, see http://www.gnu.org/licenses/ .
  19 */
  20
  21 #include <stdio.h> /* for FILE */
  22 #include <ctype.h>
  23 #include "mpc-impl.h"
  24
  25 size_t
  26 mpc_out_str (FILE *stream, int base, size_t n, mpc_srcptr op, mpc_rnd_t rnd) {
  27    size_t size = 3; /* for '(', ' ' and ')' */
  28
  29    if (stream == NULL)
  30       stream = stdout; /* fprintf does not allow NULL as first argument */
  31
  32    fprintf (stream, "(");
  33    size += mpfr_out_str (stream, base, n, mpc_realref(op), MPC_RND_RE(rnd));
  34    fprintf (stream, " ");
  35    size += mpfr_out_str (stream, base, n, mpc_imagref(op), MPC_RND_RE(rnd));
  36    fprintf (stream, ")");
  37
  38    return size;
  39 }