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

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Macros
#define	CSS_RADIX_POINT 10

#define	FADD(a, b) (css_add_fixed((a), (b)))

#define	FSUB(a, b) (css_subtract_fixed((a), (b)))

#define	FMUL(a, b) (css_multiply_fixed((a), (b)))

#define	FDIV(a, b) (css_divide_fixed((a), (b)))

#define	FLTTOFIX(a) ((css_fixed) ((a) * (float) (1 << CSS_RADIX_POINT)))

#define	FIXTOFLT(a) ((float) (a) / (float) (1 << CSS_RADIX_POINT))

#define	INTTOFIX(a) (css_int_to_fixed(a))

#define	FIXTOINT(a) ((a) >> CSS_RADIX_POINT)

#define	TRUNCATEFIX(a) (a & ~((1 << CSS_RADIX_POINT)- 1 ))

#define	FIXFRAC(a) (a & ((1 << CSS_RADIX_POINT)- 1 ))

#define	F_PI_2 0x00000648 /* 1.5708 (PI/2) */

#define	F_PI 0x00000c91 /* 3.1415 (PI) */

#define	F_3PI_2 0x000012d9 /* 4.7124 (3PI/2) */

#define	F_2PI 0x00001922 /* 6.2831 (2 PI) */

#define	F_90 0x00016800 /* 90 */

#define	F_180 0x0002d000 /* 180 */

#define	F_270 0x00043800 /* 270 */

#define	F_360 0x0005a000 /* 360 */

#define	F_0_5 0x00000200 /* 0.5 */

#define	F_1 0x00000400 /* 1 */

#define	F_10 0x00002800 /* 10 */

#define	F_72 0x00012000 /* 72 */

#define	F_96 0x00018000 /* 96 */

#define	F_100 0x00019000 /* 100 */

#define	F_200 0x00032000 /* 200 */

#define	F_255 0x0003FC00 /* 255 */

#define	F_300 0x0004b000 /* 300 */

#define	F_400 0x00064000 /* 400 */

Typedefs
typedef int32_t	css_fixed

Macro Definition Documentation

◆ CSS_RADIX_POINT

#define CSS_RADIX_POINT 10

◆ F_0_5

#define F_0_5 0x00000200 /* 0.5 */

◆ F_1

#define F_1 0x00000400 /* 1 */

◆ F_10

#define F_10 0x00002800 /* 10 */

◆ F_100

#define F_100 0x00019000 /* 100 */

◆ F_180

#define F_180 0x0002d000 /* 180 */

◆ F_200

#define F_200 0x00032000 /* 200 */

◆ F_255

#define F_255 0x0003FC00 /* 255 */

◆ F_270

#define F_270 0x00043800 /* 270 */

◆ F_2PI

#define F_2PI 0x00001922 /* 6.2831 (2 PI) */

◆ F_300

#define F_300 0x0004b000 /* 300 */

◆ F_360

#define F_360 0x0005a000 /* 360 */

◆ F_3PI_2

#define F_3PI_2 0x000012d9 /* 4.7124 (3PI/2) */

◆ F_400

#define F_400 0x00064000 /* 400 */

◆ F_72

#define F_72 0x00012000 /* 72 */

◆ F_90

#define F_90 0x00016800 /* 90 */

◆ F_96

#define F_96 0x00018000 /* 96 */

◆ F_PI

#define F_PI 0x00000c91 /* 3.1415 (PI) */

◆ F_PI_2

#define F_PI_2 0x00000648 /* 1.5708 (PI/2) */

◆ FADD

#define FADD	(	a,
		b
	)	(css_add_fixed((a), (b)))

◆ FDIV

#define FDIV	(	a,
		b
	)	(css_divide_fixed((a), (b)))

◆ FIXFRAC

#define FIXFRAC ( a ) (a & ((1 << CSS_RADIX_POINT)- 1 ))

◆ FIXTOFLT

#define FIXTOFLT ( a ) ((float) (a) / (float) (1 << CSS_RADIX_POINT))

◆ FIXTOINT

#define FIXTOINT ( a ) ((a) >> CSS_RADIX_POINT)

◆ FLTTOFIX

#define FLTTOFIX ( a ) ((css_fixed) ((a) * (float) (1 << CSS_RADIX_POINT)))

◆ FMUL

#define FMUL	(	a,
		b
	)	(css_multiply_fixed((a), (b)))

◆ FSUB

#define FSUB	(	a,
		b
	)	(css_subtract_fixed((a), (b)))

◆ INTTOFIX

#define INTTOFIX ( a ) (css_int_to_fixed(a))

◆ TRUNCATEFIX

#define TRUNCATEFIX ( a ) (a & ~((1 << CSS_RADIX_POINT)- 1 ))

Typedef Documentation

◆ css_fixed

typedef int32_t css_fixed

Macros

Typedefs