math.h

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/* KallistiOS ##version##
 
   dc/math.h
   Copyright (C) 2023 Paul Cercueil
   Copyright (C) 2025 Ruslan Rostovtsev
*/
 
/**
    \file    dc/math.h
    \brief   Prototypes for optimized math functions written in ASM
    \ingroup math_general
 
    \author Paul Cercueil
*/
 
#ifndef __DC_MATH_H
#define __DC_MATH_H
 
#include <kos/cdefs.h>
__BEGIN_DECLS
 
/** \defgroup math_general  General
    \brief                  Optimized general-purpose math utilities
    \ingroup                math
    @{
*/
 
/**
    \brief  Returns the bit-reverse of a 32-bit value (where MSB
            becomes LSB and vice-versa).
 
    \return the bit-reverse value of the argument.
*/
unsigned int bit_reverse(unsigned int value);
 
/**
    \brief  Returns the bit-reverse of an 8-bit value (where MSB
            becomes LSB and vice-versa).
 
    \return the bit-reverse value of the argument.
*/
unsigned char bit_reverse8(unsigned char value);
 
/** @} */
 
__END_DECLS
 
#endif /* __DC_MATH_H */