/* * QFloat Module * * Copyright (C) 2009 Red Hat Inc. * * Authors: * Luiz Capitulino <lcapitulino@redhat.com> * * This work is licensed under the terms of the GNU GPL, version 2. See * the COPYING file in the top-level directory. * * 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)); }