mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-24 19:51:11 +00:00
d876f53279
1999-12-29 Ulrich Drepper <drepper@cygnus.com> * soft-fp/*: Tons of new files to implement floating-point arithmetic in software. Contributed by Richard Henderson, Jakub Jelinek and others.
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/* Software floating-point emulation.
|
|
c = (long double)(a)
|
|
Copyright (C) 1997,1999 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 "single.h"
|
|
#include "quad.h"
|
|
|
|
long double _Q_stoq(const float a)
|
|
{
|
|
FP_DECL_EX;
|
|
FP_DECL_S(A);
|
|
FP_DECL_Q(C);
|
|
long double c;
|
|
|
|
FP_UNPACK_S(A, a);
|
|
#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
|
|
FP_CONV(Q,S,4,1,C,A);
|
|
#else
|
|
FP_CONV(Q,S,2,1,C,A);
|
|
#endif
|
|
FP_PACK_Q(c, C);
|
|
FP_HANDLE_EXCEPTIONS;
|
|
return c;
|
|
}
|