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