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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/* Copyright (C) 2007-2013 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/>. */
#define decimal64FromString __dpd64FromString
#define decimal64ToString __dpd64ToString
#define decimal64ToEngString __dpd64ToEngString
#define decimal64FromNumber __dpd64FromNumber
#define decimal64ToNumber __dpd64ToNumber
#include "dpd/decimal64.c"
#undef decimal64FromString
#undef decimal64ToString
#undef decimal64ToEngString
#undef decimal64FromNumber
#undef decimal64ToNumber
#include "bid-dpd.h"
#ifdef IN_LIBGCC2
#define decimal64FromString __decimal64FromString
#define decimal64ToString __decimal64ToString
#define decimal64ToEngString __decimal64ToEngString
#define decimal64FromNumber __decimal64FromNumber
#define decimal64ToNumber __decimal64ToNumber
#endif
decimal64 *decimal64FromString (decimal64 *, const char *, decContext *);
char *decimal64ToString (const decimal64 *, char *);
char *decimal64ToEngString (const decimal64 *, char *);
decimal64 *decimal64FromNumber (decimal64 *, const decNumber *, decContext *);
decNumber *decimal64ToNumber (const decimal64 *, decNumber *);
void __host_to_ieee_64 (_Decimal64 in, decimal64 *out);
void __ieee_to_host_64 (decimal64 in, _Decimal64 *out);
decimal64 *
decimal64FromNumber (decimal64 *d64, const decNumber *dn,
decContext *set)
{
/* decimal64 and _Decimal64 are different types. */
union
{
_Decimal64 _Dec;
decimal64 dec;
} u;
__dpd64FromNumber (d64, dn, set);
/* __dpd64FromNumber returns in big endian. But _dpd_to_bid64 takes
host endian. */
__ieee_to_host_64 (*d64, &u._Dec);
/* Convert DPD to BID. */
_dpd_to_bid64 (&u._Dec, &u._Dec);
/* dfp.c is in bid endian. */
__host_to_ieee_64 (u._Dec, &u.dec);
/* d64 is returned as a pointer to _Decimal64 here. */
*d64 = u.dec;
return d64;
}
decNumber *
decimal64ToNumber (const decimal64 *bid64, decNumber *dn)
{
/* decimal64 and _Decimal64 are different types. */
union
{
_Decimal64 _Dec;
decimal64 dec;
} u;
/* bid64 is a pointer to _Decimal64 in bid endian. But _bid_to_dpd64
takes host endian. */
__ieee_to_host_64 (*bid64, &u._Dec);
/* Convert BID to DPD. */
_bid_to_dpd64 (&u._Dec, &u._Dec);
/* __dpd64ToNumber is in bid endian. */
__host_to_ieee_64 (u._Dec, &u.dec);
return __dpd64ToNumber (&u.dec, dn);
}
char *
decimal64ToString (const decimal64 *d64, char *string)
{
decNumber dn; /* work */
decimal64ToNumber (d64, &dn);
decNumberToString (&dn, string);
return string;
}
char *
decimal64ToEngString (const decimal64 *d64, char *string)
{
decNumber dn; /* work */
decimal64ToNumber (d64, &dn);
decNumberToEngString (&dn, string);
return string;
}
decimal64 *
decimal64FromString (decimal64 *result, const char *string,
decContext *set)
{
decContext dc; /* work */
decNumber dn; /* .. */
decContextDefault (&dc, DEC_INIT_DECIMAL64); /* no traps, please */
dc.round = set->round; /* use supplied rounding */
decNumberFromString (&dn, string, &dc); /* will round if needed */
decimal64FromNumber (result, &dn, &dc);
if (dc.status != 0)
{ /* something happened */
decContextSetStatus (set, dc.status); /* .. pass it on */
}
return result;
}
|
GitWeb