mirror of
https://review.haiku-os.org/buildtools
synced 2025-02-14 17:57:39 +01:00
4c74403188
Change-Id: Iae65e95cfa0d92091b8b0a424ae36d88efa76aa9 Reviewed-on: https://review.haiku-os.org/c/buildtools/+/3020 Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/* double mpz_get_d_2exp (signed long int *exp, mpz_t src).
|
|
|
|
Copyright 2001, 2003, 2004, 2012 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 either:
|
|
|
|
* the GNU Lesser General Public License as published by the Free
|
|
Software Foundation; either version 3 of the License, or (at your
|
|
option) any later version.
|
|
|
|
or
|
|
|
|
* the GNU General Public License as published by the Free Software
|
|
Foundation; either version 2 of the License, or (at your option) any
|
|
later version.
|
|
|
|
or both in parallel, as here.
|
|
|
|
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 General Public License
|
|
for more details.
|
|
|
|
You should have received copies of the GNU General Public License and the
|
|
GNU Lesser General Public License along with the GNU MP Library. If not,
|
|
see https://www.gnu.org/licenses/. */
|
|
|
|
#include "gmp-impl.h"
|
|
#include "longlong.h"
|
|
|
|
double
|
|
mpz_get_d_2exp (signed long int *exp2, mpz_srcptr src)
|
|
{
|
|
mp_size_t size, abs_size;
|
|
mp_srcptr ptr;
|
|
long exp;
|
|
|
|
size = SIZ(src);
|
|
if (UNLIKELY (size == 0))
|
|
{
|
|
*exp2 = 0;
|
|
return 0.0;
|
|
}
|
|
|
|
ptr = PTR(src);
|
|
abs_size = ABS(size);
|
|
MPN_SIZEINBASE_2EXP(exp, ptr, abs_size, 1);
|
|
*exp2 = exp;
|
|
return mpn_get_d (ptr, abs_size, size, -exp);
|
|
}
|