contrib/mpc/src/set_str.c

   1 /* mpc_set_str -- Convert a string into a complex number.
   2
   3 Copyright (C) 2009, 2010, 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 <ctype.h>
  22 #include "mpc-impl.h"
  23
  24 int
  25 mpc_set_str (mpc_t z, const char *str, int base, mpc_rnd_t rnd)
  26 {
  27   char *p;
  28   int inex;
  29
  30   inex = mpc_strtoc (z, str, &p, base, rnd);
  31
  32   if (inex != -1){
  33      while (isspace ((unsigned char) (*p)))
  34         p++;
  35      if (*p == '\0')
  36         return inex;
  37   }
  38
  39   mpfr_set_nan (mpc_realref (z));
  40   mpfr_set_nan (mpc_imagref (z));
  41   return -1;
  42 }