1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include "quadint.h"
28
29#pragma weak __floatundidf = ___floatundidf
30
31/*
32 * Convert an unsigned longlong_t to a double-precision floating point value.
33 */
34double
35___floatundidf(u_longlong_t a)
36{
37	union uu aa;
38	double d;
39
40	aa.uq = a;
41	d = aa.ul[H];
42	d *= (1 << HALF_BITS);
43	d *= (1 << HALF_BITS);
44	d += aa.ul[L];
45
46	return (d);
47}
48