1 /* mpfr_set_str_binary -- set a floating-point number from a binary string
3 Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
4 Contributed by the AriC and Caramel projects, INRIA.
6 This file is part of the GNU MPFR Library.
8 The GNU MPFR 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 MPFR 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 MPFR Library; see the file COPYING.LESSER. If not, see
20 http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
21 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
23 #include "mpfr-impl.h"
25 /* Currently the number should be of the form +/- xxxx.xxxxxxEyy, with
26 decimal exponent. The mantissa of x is supposed to be large enough
27 to hold all the bits of str. */
30 mpfr_set_str_binary (mpfr_ptr x
, const char *str
)
38 __gmpfr_flags
|= MPFR_FLAGS_NAN
;
42 has_sign
= *str
== '-' || *str
== '+';
43 if (str
[has_sign
] == 'I')
53 res
= mpfr_strtofr (x
, str
, 0, 2, MPFR_RNDZ
);
54 MPFR_ASSERTN (res
== 0);