mpz/fits_ushort_p.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

/* int mpz_fits_X_p (mpz_t src) -- Return whether src fits the C type X.

Copyright (C) 1997, 2000 Free Software Foundation, Inc.

This file is part of the GNU MP Library.

The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.

The GNU MP 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 Library General Public
License for more details.

You should have received a copy of the GNU Library General Public License
along with the GNU MP 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 "gmp.h"
#include "gmp-impl.h"

int
#if __STDC__
mpz_fits_ushort_p (mpz_srcptr src)
#else
mpz_fits_ushort_p (src)
     mpz_srcptr src;
#endif
{
  mp_size_t size;
  mp_limb_t mpl;

  mpl = PTR(src)[0];
  size = SIZ(src);
  if (size < 0 || size > 1)
    return 0;
  return mpl <= ((unsigned short int) ~(unsigned int) 0);
}