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/*
* Copyright 2012-15 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef __DAL_FIXED32_32_H__
#define __DAL_FIXED32_32_H__
#include "os_types.h"
struct fixed32_32 {
uint64_t value;
};
static const struct fixed32_32 dal_fixed32_32_zero = { 0 };
static const struct fixed32_32 dal_fixed32_32_one = { 0x100000000LL };
static const struct fixed32_32 dal_fixed32_32_half = { 0x80000000LL };
struct fixed32_32 dal_fixed32_32_from_fraction(uint32_t n, uint32_t d);
static inline struct fixed32_32 dal_fixed32_32_from_int(uint32_t value)
{
struct fixed32_32 fx;
fx.value = (uint64_t)value<<32;
return fx;
}
struct fixed32_32 dal_fixed32_32_add(
struct fixed32_32 lhs,
struct fixed32_32 rhs);
struct fixed32_32 dal_fixed32_32_add_int(
struct fixed32_32 lhs,
uint32_t rhs);
struct fixed32_32 dal_fixed32_32_sub(
struct fixed32_32 lhs,
struct fixed32_32 rhs);
struct fixed32_32 dal_fixed32_32_sub_int(
struct fixed32_32 lhs,
uint32_t rhs);
struct fixed32_32 dal_fixed32_32_mul(
struct fixed32_32 lhs,
struct fixed32_32 rhs);
struct fixed32_32 dal_fixed32_32_mul_int(
struct fixed32_32 lhs,
uint32_t rhs);
struct fixed32_32 dal_fixed32_32_div(
struct fixed32_32 lhs,
struct fixed32_32 rhs);
struct fixed32_32 dal_fixed32_32_div_int(
struct fixed32_32 lhs,
uint32_t rhs);
static inline struct fixed32_32 dal_fixed32_32_min(struct fixed32_32 lhs,
struct fixed32_32 rhs)
{
return (lhs.value < rhs.value) ? lhs : rhs;
}
static inline struct fixed32_32 dal_fixed32_32_max(struct fixed32_32 lhs,
struct fixed32_32 rhs)
{
return (lhs.value > rhs.value) ? lhs : rhs;
}
static inline bool dal_fixed32_32_gt(struct fixed32_32 lhs, struct fixed32_32 rhs)
{
return lhs.value > rhs.value;
}
static inline bool dal_fixed32_32_gt_int(struct fixed32_32 lhs, uint32_t rhs)
{
return lhs.value > ((uint64_t)rhs<<32);
}
static inline bool dal_fixed32_32_lt(struct fixed32_32 lhs, struct fixed32_32 rhs)
{
return lhs.value < rhs.value;
}
static inline bool dal_fixed32_32_lt_int(struct fixed32_32 lhs, uint32_t rhs)
{
return lhs.value < ((uint64_t)rhs<<32);
}
static inline bool dal_fixed32_32_le(struct fixed32_32 lhs, struct fixed32_32 rhs)
{
return lhs.value <= rhs.value;
}
static inline bool dal_fixed32_32_le_int(struct fixed32_32 lhs, uint32_t rhs)
{
return lhs.value <= ((uint64_t)rhs<<32);
}
static inline bool dal_fixed32_32_eq(struct fixed32_32 lhs, struct fixed32_32 rhs)
{
return lhs.value == rhs.value;
}
uint32_t dal_fixed32_32_ceil(struct fixed32_32 value);
static inline uint32_t dal_fixed32_32_floor(struct fixed32_32 value)
{
return value.value>>32;
}
uint32_t dal_fixed32_32_round(struct fixed32_32 value);
#endif
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