source/libs/mpfr/mpfr-3.1.3/src/inits2.c

   1 /* mpfr_inits2 -- initialize several floating-point numbers with given
   2    precision
   3
   4 Copyright 2003-2004, 2006-2015 Free Software Foundation, Inc.
   5 Contributed by the AriC and Caramel projects, INRIA.
   6
   7 This file is part of the GNU MPFR Library.
   8
   9 The GNU MPFR Library is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU Lesser General Public License as published by
  11 the Free Software Foundation; either version 3 of the License, or (at your
  12 option) any later version.
  13
  14 The GNU MPFR Library is distributed in the hope that it will be useful, but
  15 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  16 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  17 License for more details.
  18
  19 You should have received a copy of the GNU Lesser General Public License
  20 along with the GNU MPFR Library; see the file COPYING.LESSER.  If not, see
  21 http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
  22 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #undef HAVE_STDARG
  26 #include "config.h"     /* for a build within gmp */
  27 #endif
  28
  29 #if HAVE_STDARG
  30 # include <stdarg.h>
  31 #else
  32 # include <varargs.h>
  33 #endif
  34
  35 #include "mpfr-impl.h"
  36
  37 /*
  38  * Contrary to mpfr_init2, mpfr_prec_t p is the first argument
  39  */
  40
  41 /* Explicit support for K&R compiler */
  42 void
  43 #if HAVE_STDARG
  44 mpfr_inits2 (mpfr_prec_t p, mpfr_ptr x, ...)
  45 #else
  46 mpfr_inits2 (va_alist)
  47  va_dcl
  48 #endif
  49 {
  50   va_list arg;
  51 #if HAVE_STDARG
  52   va_start (arg, x);
  53 #else
  54   mpfr_prec_t p;
  55   mpfr_ptr x;
  56   va_start(arg);
  57   p =  va_arg (arg, mpfr_prec_t);
  58   x =  va_arg (arg, mpfr_ptr);
  59 #endif
  60   while (x != 0)
  61     {
  62       mpfr_init2 (x, p);
  63       x = (mpfr_ptr) va_arg (arg, mpfr_ptr);
  64     }
  65   va_end (arg);
  66 }