mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-21 04:31:04 +08:00
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/* Software floating-point emulation.
|
|
Return 1 iff a or b is a NaN, 0 otherwise.
|
|
Copyright (C) 2006-2014 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Joseph Myers (joseph@codesourcery.com).
|
|
|
|
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 "double.h"
|
|
|
|
CMPtype
|
|
__unorddf2 (DFtype a, DFtype b)
|
|
{
|
|
FP_DECL_EX;
|
|
FP_DECL_D (A);
|
|
FP_DECL_D (B);
|
|
CMPtype r;
|
|
|
|
FP_INIT_EXCEPTIONS;
|
|
FP_UNPACK_RAW_D (A, a);
|
|
FP_UNPACK_RAW_D (B, b);
|
|
FP_CMP_UNORD_D (r, A, B);
|
|
if (r && (FP_ISSIGNAN_D (A) || FP_ISSIGNAN_D (B)))
|
|
FP_SET_EXCEPTION (FP_EX_INVALID);
|
|
FP_HANDLE_EXCEPTIONS;
|
|
|
|
return r;
|
|
}
|