retro_math.h File Reference

#include <stdint.h>
#include <limits.h>
#include <retro_inline.h>

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Macros
#define	M_PI   3.14159265358979323846264338327
#define	MAX(a, b)   ((a) > (b) ? (a) : (b))
#define	MIN(a, b)   ((a) < (b) ? (a) : (b))

Functions
static INLINE uint32_t	next_pow2 (uint32_t v)
static INLINE uint32_t	prev_pow2 (uint32_t v)

Macro Definition Documentation

M_PI

#define M_PI   3.14159265358979323846264338327

MAX

#define MAX	(		a,
			b
	)		((a) > (b) ? (a) : (b))

MIN

#define MIN	(		a,
			b
	)		((a) < (b) ? (a) : (b))

Function Documentation

next_pow2()

static INLINE uint32_t next_pow2 ( uint32_t  v )

static

next_pow2: : initial value

Get next power of 2 value based on initial value.

Returns: next power of 2 value (derived from ).

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prev_pow2()

static INLINE uint32_t prev_pow2 ( uint32_t  v )

static

prev_pow2: : initial value

Get previous power of 2 value based on initial value.

Returns: previous power of 2 value (derived from ).