1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* Software floating-point emulation: comparison.
Copyright (C) 1997-2014 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;
FP_UNPACK_RAW_Q(A, a);
FP_UNPACK_RAW_Q(B, b);
FP_CMP_Q (r, A, B, 2);
/* Relative comparisons signal invalid operation if either operand is NaN. */
if (r == 2)
{
FP_SET_EXCEPTION(FP_EX_INVALID);
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;
}
|
