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/*
* Copyright © 2017-2022 The Crust Firmware Authors.
* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
*/
#ifndef LIB_DIVISION_H
#define LIB_DIVISION_H
#include <stdint.h>
#define UDIV_ROUND(dividend, divisor) \
(((dividend) + (divisor) / 2) / (divisor))
/**
* Perform correctly-rounded unsigned division.
*/
static inline uint32_t
udiv_round(uint32_t dividend, uint32_t divisor)
{
return (dividend + divisor / 2) / divisor;
}
/**
* Perform unsigned division.
*
* This function replaces the dividend with the quotient and returns the
* remainder.
*/
uint32_t udivmod(uint32_t *dividend, uint32_t divisor);
#endif /* LIB_DIVISION_H */
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