niceSOFT/mpc | Gitverse

src/urandom.c

33 строки1 KB

Philippe Theveny

Add a new random function (uniform distribution and use of a gmp_randstate_t argument).

10 июл 2008, 16:01

10 июл 2008, 16:0103a010f

/* mpc_urandom -- Generate a random complex number uniformly distributed in
   the interval [0,1[.

Copyright (C) 2008 Philippe Th\'eveny

This file is part of the MPC Library.

The MPC 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 2.1 of the License, or (at your
option) any later version.

The MPC 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 MPC Library; see the file COPYING.LIB.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */

#include "mpc.h"

int
mpc_urandom (mpc_ptr a, gmp_randstate_t state)
{
  int r, i;

  r = mpfr_urandomb (MPC_RE(a), state);
  i = mpfr_urandomb (MPC_IM(a), state);
  return r && i;
}