1/*
2 * Copyright (C) 2009 Android Open Source Project, All rights reserved.
3 *   Derived from "bionic/libm/arm/_fpmath.h"
4 *   Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *  * Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 *  * Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in
13 *    the documentation and/or other materials provided with the
14 *    distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
23 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30/*
31 * Assumes that 'long double' on SH-linux is just an alias for 'double'.
32 */
33union IEEEl2bits {
34	long double	e;
35	struct {
36#if  __BYTE_ORDER == __LITTLE_ENDIAN
37		unsigned int	manl	:32;
38		unsigned int	manh	:20;
39		unsigned int	exp	:11;
40		unsigned int	sign	:1;
41#elif __BYTE_ORDER == __BIG_ENDIAN
42		unsigned int	sign	:1;
43		unsigned int	exp	:11;
44		unsigned int	manh	:20;
45		unsigned int	manl	:32;
46#endif
47	} bits;
48};
49
50/*
51 * LDBL_NBIT is a mask indicating the position of the integer
52 * bit in a long double.  But SH4 does not support it.
53 */
54#define	LDBL_NBIT	0
55#define	mask_nbit_l(u)	((void)0)
56
57#define	LDBL_MANH_SIZE	20
58#define	LDBL_MANL_SIZE	32
59