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/*
* Copyright (C) 2005 Josef Cejka
* All rights reserved.
*
* 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#ifndef __SFTYPES_H__
#define __SFTYPES_H__
typedef union {
float f;
__u32 binary;
struct {
#ifdef __BIG_ENDIAN__
__u32 sign:1;
__u32 exp:8;
__u32 mantisa:23;
#elif defined __LITTLE_ENDIAN__
__u32 mantisa:23;
__u32 exp:8;
__u32 sign:1;
#else
#error "Unknown endians."
#endif
} parts __attribute__ ((packed));
} float32;
typedef union {
double d;
__u64 binary;
struct {
#ifdef __BIG_ENDIAN__
__u64 sign:1;
__u64 exp:11;
__u64 mantisa:52;
#elif defined __LITTLE_ENDIAN__
__u64 mantisa:52;
__u64 exp:11;
__u64 sign:1;
#else
#error "Unknown endians."
#endif
} parts __attribute__ ((packed));
} float64;
#define FLOAT32_MAX 0x7f800000
#define FLOAT32_MIN 0xff800000
#define FLOAT64_MAX
#define FLOAT64_MIN
/* For recognizing NaNs or infinity use isFloat32NaN and is Float32Inf, comparing with this constants is not sufficient */
#define FLOAT32_NAN 0x7F800001
#define FLOAT32_SIGNAN 0x7FC00000
#define FLOAT32_INF 0x7F800000
#define FLOAT32_MANTISA_SIZE 23
#define FLOAT32_BIAS 0x7F
#define FLOAT64_BIAS 0x3FF
#define FLOAT80_BIAS 0x3FFF
#endif