#include <stdint.h>

Include dependency graph for fixedptc.h:

Macros
#define	FIXEDPT_BITS 32

#define	FIXEDPT_WBITS 16

#define	FIXEDPT_VCSID "$Id$"

#define	FIXEDPT_FBITS (FIXEDPT_BITS - FIXEDPT_WBITS)

#define	FIXEDPT_FMASK (((fixedpt)1 << FIXEDPT_FBITS) - 1)

#define	fixedpt_rconst(R) ((fixedpt)((R)*FIXEDPT_ONE + ((R) >= 0 ? 0.5 : -0.5)))

#define	fixedpt_fromint(I) ((fixedptd)(I) << FIXEDPT_FBITS)

#define	fixedpt_toint(F) ((F) >> FIXEDPT_FBITS)

#define	fixedpt_add(A, B) ((A) + (B))

#define	fixedpt_sub(A, B) ((A) - (B))

#define	fixedpt_xmul(A, B) ((fixedpt)(((fixedptd)(A) * (fixedptd)(B)) >> FIXEDPT_FBITS))

#define	fixedpt_xdiv(A, B) ((fixedpt)(((fixedptd)(A) << FIXEDPT_FBITS) / (fixedptd)(B)))

#define	fixedpt_fracpart(A) ((fixedpt)(A)&FIXEDPT_FMASK)

#define	FIXEDPT_ONE ((fixedpt)((fixedpt)1 << FIXEDPT_FBITS))

#define	FIXEDPT_ONE_HALF (FIXEDPT_ONE >> 1)

#define	FIXEDPT_TWO (FIXEDPT_ONE + FIXEDPT_ONE)

#define	FIXEDPT_PI fixedpt_rconst(3.14159265358979323846)

#define	FIXEDPT_TWO_PI fixedpt_rconst(2 * 3.14159265358979323846)

#define	FIXEDPT_HALF_PI fixedpt_rconst(3.14159265358979323846 / 2)

#define	FIXEDPT_E fixedpt_rconst(2.7182818284590452354)

#define	fixedpt_abs(A) ((A) < 0 ? -(A) : (A))

#define	fixedpt_tofloat(T) ((float)((T) * ((float)(1) / (float)(1L << FIXEDPT_FBITS))))

Typedefs
typedef int32_t	fixedpt

typedef int64_t	fixedptd

typedef uint32_t	fixedptu

typedef uint64_t	fixedptud

Macro Definition Documentation

◆ fixedpt_abs

#define fixedpt_abs ( A ) ((A) < 0 ? -(A) : (A))

Definition at line 123 of file fixedptc.h.

◆ fixedpt_add

#define fixedpt_add	(	A,
		B
	)	((A) + (B))

Definition at line 107 of file fixedptc.h.

◆ FIXEDPT_BITS

#define FIXEDPT_BITS 32

Definition at line 72 of file fixedptc.h.

◆ FIXEDPT_E

#define FIXEDPT_E fixedpt_rconst(2.7182818284590452354)

Definition at line 121 of file fixedptc.h.

◆ FIXEDPT_FBITS

#define FIXEDPT_FBITS (FIXEDPT_BITS - FIXEDPT_WBITS)

Definition at line 101 of file fixedptc.h.

◆ FIXEDPT_FMASK

#define FIXEDPT_FMASK (((fixedpt)1 << FIXEDPT_FBITS) - 1)

Definition at line 102 of file fixedptc.h.

◆ fixedpt_fracpart

#define fixedpt_fracpart ( A ) ((fixedpt)(A)&FIXEDPT_FMASK)

Definition at line 113 of file fixedptc.h.

◆ fixedpt_fromint

#define fixedpt_fromint ( I ) ((fixedptd)(I) << FIXEDPT_FBITS)

Definition at line 105 of file fixedptc.h.

◆ FIXEDPT_HALF_PI

#define FIXEDPT_HALF_PI fixedpt_rconst(3.14159265358979323846 / 2)

Definition at line 120 of file fixedptc.h.

◆ FIXEDPT_ONE

#define FIXEDPT_ONE ((fixedpt)((fixedpt)1 << FIXEDPT_FBITS))

Definition at line 115 of file fixedptc.h.

◆ FIXEDPT_ONE_HALF

#define FIXEDPT_ONE_HALF (FIXEDPT_ONE >> 1)

Definition at line 116 of file fixedptc.h.

◆ FIXEDPT_PI

#define FIXEDPT_PI fixedpt_rconst(3.14159265358979323846)

Definition at line 118 of file fixedptc.h.

◆ fixedpt_rconst

#define fixedpt_rconst ( R ) ((fixedpt)((R)*FIXEDPT_ONE + ((R) >= 0 ? 0.5 : -0.5)))

Definition at line 104 of file fixedptc.h.

◆ fixedpt_sub

#define fixedpt_sub	(	A,
		B
	)	((A) - (B))

Definition at line 108 of file fixedptc.h.

◆ fixedpt_tofloat

#define fixedpt_tofloat ( T ) ((float)((T) * ((float)(1) / (float)(1L << FIXEDPT_FBITS))))

Definition at line 128 of file fixedptc.h.

◆ fixedpt_toint

#define fixedpt_toint ( F ) ((F) >> FIXEDPT_FBITS)

Definition at line 106 of file fixedptc.h.

◆ FIXEDPT_TWO

#define FIXEDPT_TWO (FIXEDPT_ONE + FIXEDPT_ONE)

Definition at line 117 of file fixedptc.h.

◆ FIXEDPT_TWO_PI

#define FIXEDPT_TWO_PI fixedpt_rconst(2 * 3.14159265358979323846)

Definition at line 119 of file fixedptc.h.

◆ FIXEDPT_VCSID

#define FIXEDPT_VCSID "$Id$"

Definition at line 99 of file fixedptc.h.

◆ FIXEDPT_WBITS

#define FIXEDPT_WBITS 16

Definition at line 92 of file fixedptc.h.

◆ fixedpt_xdiv

#define fixedpt_xdiv	(	A,
		B
	)	((fixedpt)(((fixedptd)(A) << FIXEDPT_FBITS) / (fixedptd)(B)))

Definition at line 111 of file fixedptc.h.

◆ fixedpt_xmul

#define fixedpt_xmul	(	A,
		B
	)	((fixedpt)(((fixedptd)(A) * (fixedptd)(B)) >> FIXEDPT_FBITS))

Definition at line 109 of file fixedptc.h.

Typedef Documentation

◆ fixedpt

typedef int32_t fixedpt

Definition at line 78 of file fixedptc.h.

◆ fixedptd

typedef int64_t fixedptd

Definition at line 79 of file fixedptc.h.

◆ fixedptu

typedef uint32_t fixedptu

Definition at line 80 of file fixedptc.h.

◆ fixedptud

typedef uint64_t fixedptud

Definition at line 81 of file fixedptc.h.

Macros

Typedefs