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/*
* Support for Intel Camera Imaging ISP subsystem.
* Copyright (c) 2015, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef _IA_CSS_FRAC_H
#define _IA_CSS_FRAC_H
/* @file
* This file contains typedefs used for fractional numbers
*/
#include <type_support.h>
/* Fixed point types.
* NOTE: the 16 bit fixed point types actually occupy 32 bits
* to save on extension operations in the ISP code.
*/
/* Unsigned fixed point value, 0 integer bits, 16 fractional bits */
typedef uint32_t ia_css_u0_16;
/* Unsigned fixed point value, 5 integer bits, 11 fractional bits */
typedef uint32_t ia_css_u5_11;
/* Unsigned fixed point value, 8 integer bits, 8 fractional bits */
typedef uint32_t ia_css_u8_8;
/* Signed fixed point value, 0 integer bits, 15 fractional bits */
typedef int32_t ia_css_s0_15;
#endif /* _IA_CSS_FRAC_H */
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