mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-17 10:26:15 +00:00
aa9bc17601
BMakefiles and other bits will follow. Requested by: Andrey Chernov Made world by: Chuck Robey
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/* mpf_set_z -- Assign a float from an integer.
|
|
|
|
Copyright (C) 1996 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"
|
|
|
|
void
|
|
#if __STDC__
|
|
mpf_set_z (mpf_ptr r, mpz_srcptr u)
|
|
#else
|
|
mpf_set_z (r, u)
|
|
mpf_ptr r;
|
|
mpz_srcptr u;
|
|
#endif
|
|
{
|
|
mp_ptr rp, up;
|
|
mp_size_t size, asize;
|
|
mp_size_t prec;
|
|
|
|
prec = PREC (r) + 1;
|
|
size = SIZ (u);
|
|
asize = ABS (size);
|
|
rp = PTR (r);
|
|
up = PTR (u);
|
|
|
|
EXP (r) = asize;
|
|
|
|
if (asize > prec)
|
|
{
|
|
up += asize - prec;
|
|
asize = prec;
|
|
}
|
|
|
|
MPN_COPY (rp, up, asize);
|
|
SIZ (r) = size >= 0 ? asize : -asize;
|
|
}
|