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69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
/*
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* QFloat Module
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*
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* Copyright IBM, Corp. 2009
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*
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*/
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#include "qapi/qmp/qfloat.h"
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#include "qapi/qmp/qobject.h"
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#include "qemu-common.h"
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static void qfloat_destroy_obj(QObject *obj);
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static const QType qfloat_type = {
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.code = QTYPE_QFLOAT,
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.destroy = qfloat_destroy_obj,
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};
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/**
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* qfloat_from_int(): Create a new QFloat from a float
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*
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* Return strong reference.
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*/
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QFloat *qfloat_from_double(double value)
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{
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QFloat *qf;
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qf = g_malloc(sizeof(*qf));
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qf->value = value;
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QOBJECT_INIT(qf, &qfloat_type);
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return qf;
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}
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/**
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* qfloat_get_double(): Get the stored float
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*/
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double qfloat_get_double(const QFloat *qf)
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{
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return qf->value;
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}
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/**
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* qobject_to_qfloat(): Convert a QObject into a QFloat
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*/
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QFloat *qobject_to_qfloat(const QObject *obj)
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{
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if (qobject_type(obj) != QTYPE_QFLOAT)
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return NULL;
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return container_of(obj, QFloat, base);
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}
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/**
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* qfloat_destroy_obj(): Free all memory allocated by a
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* QFloat object
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*/
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static void qfloat_destroy_obj(QObject *obj)
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{
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assert(obj != NULL);
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g_free(qobject_to_qfloat(obj));
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}
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