xref: /netbsd-src/external/lgpl3/mpc/dist/src/set_str.c (revision 367b82799ab709709d3c3b541df56a2a14644d3e)

/* mpc_set_str -- Convert a string into a complex number.

Copyright (C) 2009, 2010, 2011, 2022 INRIA

This file is part of GNU MPC.

GNU MPC 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.

GNU MPC 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 this program. If not, see http://www.gnu.org/licenses/ .
*/

#include <ctype.h>
#include "mpc-impl.h"

int
mpc_set_str (mpc_ptr z, const char *str, int base, mpc_rnd_t rnd)
{
  char *p;
  int inex;

  inex = mpc_strtoc (z, str, &p, base, rnd);

  if (inex != -1){
     while (isspace ((unsigned char) (*p)))
        p++;
     if (*p == '\0')
        return inex;
  }

  mpfr_set_nan (mpc_realref (z));
  mpfr_set_nan (mpc_imagref (z));
  return -1;
}