mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-28 05:21:13 +00:00
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/* Software floating-point emulation: comparison.
|
|
Copyright (C) 1997-2017 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.
|
|
|
|
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 "local-soft-fp.h"
|
|
|
|
static long
|
|
internal_compare (long al, long ah, long bl, long bh)
|
|
{
|
|
FP_DECL_EX;
|
|
FP_DECL_Q(A); FP_DECL_Q(B);
|
|
long r;
|
|
|
|
AXP_UNPACK_RAW_Q(A, a);
|
|
AXP_UNPACK_RAW_Q(B, b);
|
|
FP_CMP_Q (r, A, B, 2, 2);
|
|
|
|
FP_HANDLE_EXCEPTIONS;
|
|
|
|
return r;
|
|
}
|
|
|
|
long
|
|
_OtsLssX (long al, long ah, long bl, long bh)
|
|
{
|
|
long r = internal_compare (al, ah, bl, bh);
|
|
if (r == 2)
|
|
return -1;
|
|
else
|
|
return r < 0;
|
|
}
|
|
|
|
long
|
|
_OtsLeqX (long al, long ah, long bl, long bh)
|
|
{
|
|
long r = internal_compare (al, ah, bl, bh);
|
|
if (r == 2)
|
|
return -1;
|
|
else
|
|
return r <= 0;
|
|
}
|
|
|
|
long
|
|
_OtsGtrX (long al, long ah, long bl, long bh)
|
|
{
|
|
long r = internal_compare (al, ah, bl, bh);
|
|
if (r == 2)
|
|
return -1;
|
|
else
|
|
return r > 0;
|
|
}
|
|
|
|
long
|
|
_OtsGeqX (long al, long ah, long bl, long bh)
|
|
{
|
|
long r = internal_compare (al, ah, bl, bh);
|
|
if (r == 2)
|
|
return -1;
|
|
else
|
|
return r >= 0;
|
|
}
|