1/* double mpz_get_d (mpz_t src) -- Return the double approximation to SRC. 2 3Copyright 1996, 1997, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. 4 5This file is part of the GNU MP Library. 6 7The GNU MP Library is free software; you can redistribute it and/or modify 8it under the terms of the GNU Lesser General Public License as published by 9the Free Software Foundation; either version 3 of the License, or (at your 10option) any later version. 11 12The GNU MP Library is distributed in the hope that it will be useful, but 13WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 15License for more details. 16 17You should have received a copy of the GNU Lesser General Public License 18along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ 19 20#include "gmp.h" 21#include "gmp-impl.h" 22 23double 24mpz_get_d (mpz_srcptr z) 25{ 26 mp_size_t size; 27 28 size = SIZ (z); 29 if (UNLIKELY (size == 0)) 30 return 0.0; 31 32 return mpn_get_d (PTR (z), ABS (size), size, 0L); 33} 34