glibc/sysdeps/powerpc/soft-fp/q_ulltoq.c

39 lines
1.3 KiB
C

/* Software floating-point emulation.
Return (long double)a
Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson (rth@cygnus.com) and
Jakub Jelinek (jj@ultra.linux.cz).
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include "soft-fp.h"
#include "quad.h"
long double _q_ulltoq(const unsigned long long a)
{
FP_DECL_EX;
FP_DECL_Q(C);
long double c;
unsigned long long b = a;
FP_FROM_INT_Q(C, b, 64, long long);
FP_PACK_Q(c, C);
FP_CLEAR_EXCEPTIONS;
FP_HANDLE_EXCEPTIONS;
return c;
}