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/*
* Copyright (c) 2014 Andreas Sandberg
* 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;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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.
*
* Authors: Andreas Sandberg
*/
#ifndef _FPTYPES_H
#define _FPTYPES_H 1
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup fp64
* @{
*/
/** Internal representation of a 64-bit float */
typedef union {
/**
* Raw value exposed as an unsigned integer. Mainly used for bit
* manipulation.
*/
uint64_t bits;
/** Representation using the built-in double type */
double value;
} fp64_t;
/** @} */
/**
* @addtogroup fp80
* @{
*/
/** Internal representation of an 80-bit float. */
typedef union {
struct {
/** Raw representation of the integer part bit and the
* fraction. Note that unlike 64-bit floating point
* representations the integer bit is explicit. */
uint64_t fi;
/** Raw representation of sign bit and exponent */
uint16_t se;
/** Add explicit padding to ensure this data structure
* is properly aligned.
*/
uint16_t pad[3];
} repr;
/**
* Represented as a char array, mainly intended for debug dumping
* and serialization.
*/
char bits[16];
} fp80_t;
/** @} */
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
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