#pragma once

#include <stdint.h>

#include <fixpoint/ieee.h>

/** \file */
/** \defgroup fixpoint <fixpoint/fp248.h>: 24/8bit Fixpoint Support
    \code
    #include <fixpoint/fp248.h>
    \endcode
	
	Function 
*/

typedef int32_t fp248_t;


#define FP248_FRAC		8
#define FP248_MASK		(0xFFFFFFFF >> (32-FP248_FRAC))

				float	fp248_to_float		(fp248_t value);
				fp248_t	fp248_from_float	(float value);

static inline	fp248_t	fp248_from_int32	(int32_t value) { return (fp248_t)(value << FP248_FRAC); };
static inline	int32_t fp248_to_int32		(fp248_t value) { return (int32_t)(value >> FP248_FRAC); };
static inline	fp248_t	fp248_fraction		(fp248_t value) { return value & FP248_MASK; };

static inline	fp248_t	fp248_add			( fp248_t a, fp248_t b ) { return a + b; };
static inline	fp248_t	fp248_sub			( fp248_t a, fp248_t b ) { return a - b; };
static inline	fp248_t	fp248_mul			( fp248_t a, fp248_t b ) { return (fp248_t)( ((int64_t)a * (int64_t)b) >> FP248_FRAC ); };
static inline	fp248_t	fp248_div			( fp248_t a, fp248_t b ) { return (fp248_t)( ((int64_t)a << FP248_FRAC) / b ); };

#include <math.h>

/*
#define FP_PI	fp_make(M_PI)
#define FP_2PI	(2*FP_PI)

#define FP_SQRT_2	fp_make(1.414213562373095)
#define FP_INV_SQRT_2	fp_make(0.707106781)
#define FP_SQRT_3	fp_make(1.73205080756887729352)
#define FP_INV_SQRT_3	fp_make(0.577350269)
*/