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1 | /* |
2 | * QFloat Module | |
3 | * | |
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4 | * Copyright IBM, Corp. 2009 |
5 | * | |
6 | * Authors: | |
7 | * Anthony Liguori <[email protected]> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. | |
10 | * See the COPYING.LIB file in the top-level directory. | |
11 | * | |
12 | */ | |
13 | ||
f2ad72b3 | 14 | #include "qemu/osdep.h" |
7b1b5d19 PB |
15 | #include "qapi/qmp/qfloat.h" |
16 | #include "qapi/qmp/qobject.h" | |
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17 | #include "qemu-common.h" |
18 | ||
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19 | /** |
20 | * qfloat_from_int(): Create a new QFloat from a float | |
21 | * | |
22 | * Return strong reference. | |
23 | */ | |
24 | QFloat *qfloat_from_double(double value) | |
25 | { | |
26 | QFloat *qf; | |
27 | ||
7267c094 | 28 | qf = g_malloc(sizeof(*qf)); |
55e1819c | 29 | qobject_init(QOBJECT(qf), QTYPE_QFLOAT); |
ec072ced | 30 | qf->value = value; |
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31 | |
32 | return qf; | |
33 | } | |
34 | ||
35 | /** | |
36 | * qfloat_get_double(): Get the stored float | |
37 | */ | |
38 | double qfloat_get_double(const QFloat *qf) | |
39 | { | |
40 | return qf->value; | |
41 | } | |
42 | ||
43 | /** | |
44 | * qobject_to_qfloat(): Convert a QObject into a QFloat | |
45 | */ | |
46 | QFloat *qobject_to_qfloat(const QObject *obj) | |
47 | { | |
fcf73f66 | 48 | if (!obj || qobject_type(obj) != QTYPE_QFLOAT) { |
ec072ced | 49 | return NULL; |
fcf73f66 | 50 | } |
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51 | return container_of(obj, QFloat, base); |
52 | } | |
53 | ||
54 | /** | |
55 | * qfloat_destroy_obj(): Free all memory allocated by a | |
56 | * QFloat object | |
57 | */ | |
55e1819c | 58 | void qfloat_destroy_obj(QObject *obj) |
ec072ced AL |
59 | { |
60 | assert(obj != NULL); | |
7267c094 | 61 | g_free(qobject_to_qfloat(obj)); |
ec072ced | 62 | } |