contrib/mpc/src/urandom.c

   1 /* mpc_urandom -- Generate a random complex number uniformly distributed in
   2    the interval [0,1[.
   3
   4 Copyright (C) 2008, 2009, 2011 INRIA
   5
   6 This file is part of GNU MPC.
   7
   8 GNU MPC is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU Lesser General Public License as published by the
  10 Free Software Foundation; either version 3 of the License, or (at your
  11 option) any later version.
  12
  13 GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  15 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
  16 more details.
  17
  18 You should have received a copy of the GNU Lesser General Public License
  19 along with this program. If not, see http://www.gnu.org/licenses/ .
  20 */
  21
  22 #include "mpc-impl.h"
  23
  24 int
  25 mpc_urandom (mpc_ptr a, gmp_randstate_t state)
  26 {
  27   int r, i;
  28
  29   r = mpfr_urandomb (mpc_realref(a), state);
  30   i = mpfr_urandomb (mpc_imagref(a), state);
  31   return r && i;
  32 }