xref: /dragonfly/contrib/mpc/src/get_prec.c (revision 0db87cb7)
1 /* mpc_get_prec -- returns the common precision of real and imaginary part, or 0 if they differ
2 
3 Copyright (C) 2007, 2009, 2010 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 "mpc-impl.h"
22 
23 mpfr_prec_t
24 mpc_get_prec (mpc_srcptr x)
25 {
26   mpfr_prec_t precre = MPC_PREC_RE (x);
27   return (MPC_PREC_IM (x) == precre ? precre : 0);
28 }
29