lesf2.c revision 256281 
150477Speter/* Software floating-point emulation.
27194Swollman   Return 0 iff a == b, 1 iff a > b, 2 iff a ? b, -1 iff a < b
3319182Sngie   Copyright (C) 1997,1999,2006 Free Software Foundation, Inc.
470711Sobrien   This file is part of the GNU C Library.
566396Sbde   Contributed by Richard Henderson (rth@cygnus.com) and
666396Sbde		  Jakub Jelinek (jj@ultra.linux.cz).
77194Swollman
860966Speter   The GNU C Library is free software; you can redistribute it and/or
9   modify it under the terms of the GNU Lesser General Public
10   License as published by the Free Software Foundation; either
11   version 2.1 of the License, or (at your option) any later version.
12
13   In addition to the permissions in the GNU Lesser General Public
14   License, the Free Software Foundation gives you unlimited
15   permission to link the compiled version of this file into
16   combinations with other programs, and to distribute those
17   combinations without any restriction coming from the use of this
18   file.  (The Lesser General Public License restrictions do apply in
19   other respects; for example, they cover modification of the file,
20   and distribution when not linked into a combine executable.)
21
22   The GNU C Library is distributed in the hope that it will be useful,
23   but WITHOUT ANY WARRANTY; without even the implied warranty of
24   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
25   Lesser General Public License for more details.
26
27   You should have received a copy of the GNU Lesser General Public
28   License along with the GNU C Library; if not, write to the Free
29   Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
30   MA 02110-1301, USA.  */
31
32#include "soft-fp.h"
33#include "single.h"
34
35int __lesf2(SFtype a, SFtype b)
36{
37  FP_DECL_EX;
38  FP_DECL_S(A); FP_DECL_S(B);
39  int r;
40
41  FP_UNPACK_RAW_S(A, a);
42  FP_UNPACK_RAW_S(B, b);
43  FP_CMP_S(r, A, B, 2);
44  if (r == 2 && (FP_ISSIGNAN_S(A) || FP_ISSIGNAN_S(B)))
45    FP_SET_EXCEPTION(FP_EX_INVALID);
46  FP_HANDLE_EXCEPTIONS;
47
48  return r;
49}
50
51strong_alias(__lesf2, __ltsf2);
52