1 /* mpf_set_d -- Assign a float from a double.
3 Copyright 1993, 1994, 1995, 1996, 2001, 2003, 2004 Free Software Foundation,
6 This file is part of the GNU MP Library.
8 The GNU MP Library is free software; you can redistribute it and/or modify
9 it under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or (at your
11 option) any later version.
13 The GNU MP Library is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
16 License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
24 #include <float.h> /* for DBL_MAX */
31 mpf_set_d (mpf_ptr r
, double d
)
35 DOUBLE_NAN_INF_ACTION (d
,
36 __gmp_invalid_operation (),
37 __gmp_invalid_operation ());
39 if (UNLIKELY (d
== 0))
48 SIZ(r
) = negative
? -LIMBS_PER_DOUBLE
: LIMBS_PER_DOUBLE
;
49 EXP(r
) = __gmp_extract_double (PTR(r
), d
);