mirror of
https://github.com/autc04/Retro68.git
synced 2024-09-10 03:54:48 +00:00
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/* Software floating-point emulation.
|
|
Return 0 iff a == b, 1 iff a > b, 2 iff a ? b, -1 iff a < b
|
|
Copyright (C) 1997,1999,2006,2007 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.
|
|
|
|
In addition to the permissions in the GNU Lesser General Public
|
|
License, the Free Software Foundation gives you unlimited
|
|
permission to link the compiled version of this file into
|
|
combinations with other programs, and to distribute those
|
|
combinations without any restriction coming from the use of this
|
|
file. (The Lesser General Public License restrictions do apply in
|
|
other respects; for example, they cover modification of the file,
|
|
and distribution when not linked into a combine executable.)
|
|
|
|
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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include "soft-fp.h"
|
|
#include "quad.h"
|
|
|
|
CMPtype __letf2(TFtype a, TFtype b)
|
|
{
|
|
FP_DECL_EX;
|
|
FP_DECL_Q(A); FP_DECL_Q(B);
|
|
CMPtype r;
|
|
|
|
FP_UNPACK_RAW_Q(A, a);
|
|
FP_UNPACK_RAW_Q(B, b);
|
|
FP_CMP_Q(r, A, B, 2);
|
|
if (r == 2 && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
|
|
FP_SET_EXCEPTION(FP_EX_INVALID);
|
|
FP_HANDLE_EXCEPTIONS;
|
|
|
|
return r;
|
|
}
|
|
|
|
strong_alias(__letf2, __lttf2);
|