blob: 5e10d28cecc90cfa387710300bce57ad84001e7a (
plain)
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC 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 General Public License
for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include "bid_internal.h"
#include "bid_gcc_intrinsics.h"
#if DECIMAL_GLOBAL_ROUNDING
BID_THREAD _IDEC_round _IDEC_glbround = ROUNDING_TO_NEAREST;
#if DECIMAL_GLOBAL_ROUNDING_ACCESS_FUNCTIONS
void
__dfp_set_round (int mode) {
_IDEC_glbround = mode;
}
int
__dfp_get_round (void) {
return _IDEC_glbround;
}
#endif
#endif
#if DECIMAL_GLOBAL_EXCEPTION_FLAGS
BID_THREAD _IDEC_flags _IDEC_glbflags = EXACT_STATUS;
#if DECIMAL_GLOBAL_EXCEPTION_FLAGS_ACCESS_FUNCTIONS
#include <fenv.h>
void
__dfp_clear_except (void) {
_IDEC_glbflags &= ~FLAG_MASK;
}
int
__dfp_test_except (int mask) {
int flags = 0;
if ((_IDEC_glbflags & INEXACT_EXCEPTION) != 0)
flags |= mask & FE_INEXACT;
if ((_IDEC_glbflags & UNDERFLOW_EXCEPTION) != 0)
flags |= mask & FE_UNDERFLOW;
if ((_IDEC_glbflags & OVERFLOW_EXCEPTION) != 0)
flags |= mask & FE_OVERFLOW;
if ((_IDEC_glbflags & ZERO_DIVIDE_EXCEPTION) != 0)
flags |= mask & FE_DIVBYZERO;
if ((_IDEC_glbflags & INVALID_EXCEPTION) != 0)
flags |= mask & FE_INVALID;
return flags;
}
void
__dfp_raise_except (int mask) {
_IDEC_flags flags = 0;
if ((mask & FE_INEXACT) != 0)
flags |= INEXACT_EXCEPTION;
if ((mask & FE_UNDERFLOW) != 0)
flags |= UNDERFLOW_EXCEPTION;
if ((mask & FE_OVERFLOW) != 0)
flags |= OVERFLOW_EXCEPTION;
if ((mask & FE_DIVBYZERO) != 0)
flags |= ZERO_DIVIDE_EXCEPTION;
if ((mask & FE_INVALID) != 0)
flags |= INVALID_EXCEPTION;
_IDEC_glbflags |= flags;
}
#endif
#endif
#if DECIMAL_ALTERNATE_EXCEPTION_HANDLING
#if DECIMAL_GLOBAL_EXCEPTION_MASKS
BID_THREAD _IDEC_exceptionmasks _IDEC_glbexceptionmasks =
_IDEC_allexcmasksset;
#endif
#if DECIMAL_GLOBAL_EXCEPTION_INFO
BID_THREAD _IDEC_excepthandling _IDEC_glbexcepthandling;
#endif
#endif
|
