mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-21 18:30:05 +00:00
8ed1e7d589
* configure.in: Compute sizeof-long-double. * configure: Regenerated. * config.make.in: Make sizeof-long-double available to sub-makes. In libc/soft-fp/: * soft-fp.h (_FP_ROUND_ZERO): Cast 0 to void before using it as a statement. * sysdeps/powerpc/Makefile (routines): New file. * sysdeps/powerpc/q_*: New files. 2000-03-03 Geoff Keating <geoffk@cygnus.com> * configure.in: Compute sizeof-long-double. * configure: Regenerated. * config.make.in: Make sizeof-long-double available to sub-makes.
45 lines
1.4 KiB
C
45 lines
1.4 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 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 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C 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 "soft-fp.h"
|
|
#include "double.h"
|
|
#include "quad.h"
|
|
|
|
long double _q_dtoq(const double a)
|
|
{
|
|
FP_DECL_EX;
|
|
FP_DECL_D(A);
|
|
FP_DECL_Q(C);
|
|
long double c;
|
|
|
|
FP_INIT_ROUNDMODE;
|
|
FP_UNPACK_D(A, a);
|
|
#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
|
|
FP_CONV(Q,D,4,2,C,A);
|
|
#else
|
|
FP_CONV(Q,D,2,1,C,A);
|
|
#endif
|
|
FP_PACK_Q(c, C);
|
|
FP_HANDLE_EXCEPTIONS;
|
|
return c;
|
|
}
|