1 /* mpf_fits_s*_p -- test whether an mpf fits a C signed type.
3 Copyright 2001, 2002 Free Software Foundation, Inc.
5 This file is part of the GNU MP Library.
7 The GNU MP Library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
12 The GNU MP Library is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15 License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
24 /* Notice this is equivalent to mpz_set_f + mpz_fits_s*_p. */
27 FUNCTION (mpf_srcptr f
) __GMP_NOTHROW
36 return 1; /* zero fits */
40 return 1; /* -1 < f < 1 truncates to zero, so fits */
49 #if GMP_NAIL_BITS != 0
50 else if (exp
== 2 && MAXIMUM
> GMP_NUMB_MAX
)
53 if ((fl
>> GMP_NAIL_BITS
) != 0)
55 fl
= (fl
<< GMP_NUMB_BITS
);
63 return fl
<= (fs
>= 0 ? (mp_limb_t
) MAXIMUM
: - (mp_limb_t
) MINIMUM
);