59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/*
|
|
* Copyright (C) 2009 Android Open Source Project, All rights reserved.
|
|
* Derived from "bionic/libm/arm/_fpmath.h"
|
|
* Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* Assumes that 'long double' on SH-linux is just an alias for 'double'.
|
|
*/
|
|
union IEEEl2bits {
|
|
long double e;
|
|
struct {
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
unsigned int manl :32;
|
|
unsigned int manh :20;
|
|
unsigned int exp :11;
|
|
unsigned int sign :1;
|
|
#elif __BYTE_ORDER == __BIG_ENDIAN
|
|
unsigned int sign :1;
|
|
unsigned int exp :11;
|
|
unsigned int manh :20;
|
|
unsigned int manl :32;
|
|
#endif
|
|
} bits;
|
|
};
|
|
|
|
/*
|
|
* LDBL_NBIT is a mask indicating the position of the integer
|
|
* bit in a long double. But SH4 does not support it.
|
|
*/
|
|
#define LDBL_NBIT 0
|
|
#define mask_nbit_l(u) ((void)0)
|
|
|
|
#define LDBL_MANH_SIZE 20
|
|
#define LDBL_MANL_SIZE 32
|