include/cglib/definitions.h File Reference

#include <stdlib.h>
#include <math.h>
#include <float.h>
#include <limits.h>

Go to the source code of this file.

Defines
#define	WIN32_LEAN_AND_MEAN
#define	INV_PI   0.31830988618379067154f
#define	INV_TWOPI   0.15915494309189533577f
#define	INV_FOURPI   0.079577471545947673f
#define	RAY_EPSILON   1e-4f
#define	EPSILON   1e-5f
#define	INFINITY   FLT_MAX
#define	FOR(__i, __times)   for(int __i=0;__i<__times;__i++)
#define	FOR2(__i, __from, __to)   for(int __i=__from;__i<=__to;__i++)
#define	FOR3(__i, __from, __to)   for(int __i=__from;__i<__to;__i++)
Functions
float	lerp (float t, float v1, float v2)
float	clamp (float val, float low, float high)
int	clamp (int val, int low, int high)
int	mod (int a, int b)
float	radians (float deg)
float	degrees (float rad)
float	randf ()
float	random (float lower=0.0, float upper=1.0, int granularity=RAND_MAX-1)
int	ceilpow2 (int x)
int	divceil (int dividend, int divisor)

---

Define Documentation

#define EPSILON   1e-5f

#define FOR	(	__i,
		__times		)	for(int __i=0;__i<__times;__i++)

#define FOR2	(	__i,
		__from,
		__to		)	for(int __i=__from;__i<=__to;__i++)

#define FOR3	(	__i,
		__from,
		__to		)	for(int __i=__from;__i<__to;__i++)

#define INFINITY   FLT_MAX

#define INV_FOURPI   0.079577471545947673f

#define INV_PI   0.31830988618379067154f

#define INV_TWOPI   0.15915494309189533577f

#define RAY_EPSILON   1e-4f

#define WIN32_LEAN_AND_MEAN

---

Function Documentation

int ceilpow2

(

int

x

)

[inline]

int clamp	(	int	val,
		int	low,
		int	high
	)			[inline]

float clamp	(	float	val,
		float	low,
		float	high
	)			[inline]

float degrees

(

float

rad

)

[inline]

int divceil	(	int	dividend,
		int	divisor
	)			[inline]

float lerp	(	float	t,
		float	v1,
		float	v2
	)			[inline]

int mod	(	int	a,
		int	b
	)			[inline]

float radians

(

float

deg

)

[inline]

float randf

(

)

[inline]

float random	(	float	lower = 0.0,
		float	upper = 1.0,
		int	granularity = RAND_MAX-1
	)			[inline]