57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
|
/*-
|
||
|
|
* Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG>
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. 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 AUTHOR 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 AUTHOR 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.
|
||
|
|
*
|
||
|
|
* $FreeBSD: src/lib/libc/mips/_fpmath.h,v 1.1 2008/04/26 12:07:59 imp Exp $
|
||
|
|
*/
|
||
|
|
|
||
|
|
union IEEEl2bits {
|
||
|
|
long double e;
|
||
|
|
struct {
|
||
|
|
#ifndef __MIPSEB__
|
||
|
|
unsigned int manl :32;
|
||
|
|
unsigned int manh :20;
|
||
|
|
unsigned int exp :11;
|
||
|
|
unsigned int sign :1;
|
||
|
|
#else
|
||
|
|
unsigned int sign :1;
|
||
|
|
unsigned int exp :11;
|
||
|
|
unsigned int manh :20;
|
||
|
|
unsigned int manl :32;
|
||
|
|
#endif
|
||
|
|
} bits;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define LDBL_NBIT 0
|
||
|
|
#define mask_nbit_l(u) ((void)0)
|
||
|
|
#define LDBL_IMPLICIT_NBIT
|
||
|
|
|
||
|
|
#define LDBL_MANH_SIZE 20
|
||
|
|
#define LDBL_MANL_SIZE 32
|
||
|
|
|
||
|
|
#define LDBL_TO_ARRAY32(u, a) do { \
|
||
|
|
(a)[0] = (uint32_t)(u).bits.manl; \
|
||
|
|
(a)[1] = (uint32_t)(u).bits.manh; \
|
||
|
|
} while(0)
|