vhdMath Class Reference

#include <vhdMath.h>

List of all members.

Public Types
enum	AngleUnit { AU_DEGREE, AU_RADIAN }
Public Member Functions
	vhdMath (unsigned int uiTrigTableSize=4096)
	~vhdMath ()
Static Public Member Functions
static int	iAbs (int iValue)
static int	iCeil (float fValue)
static int	iFloor (float fValue)
static int	iSign (int iValue)
static vhtReal	abs (vhtReal fValue)
static vhtReal	aCos (vhtReal fValue)
static vhtReal	aSin (vhtReal fValue)
static vhtReal	aTan (vhtReal fValue)
static vhtReal	aTan2 (vhtReal fY, vhtReal fX)
static vhtReal	ceil (vhtReal fValue)
static vhtReal	cos (vhtReal fValue, bool useTables=false)
static vhtReal	exp (vhtReal fValue)
static vhtReal	floor (vhtReal fValue)
static vhtReal	log (vhtReal fValue)
static vhtReal	pow (vhtReal kBase, vhtReal kExponent)
static vhtReal	sign (vhtReal fValue)
static vhtReal	sin (vhtReal fValue, bool useTables=false)
static vhtReal	sqr (vhtReal fValue)
static vhtReal	sqrt (vhtReal fValue)
static vhtReal	invSqrt (vhtReal fValue)
static vhtReal	unitRandom ()
static vhtReal	rangeRandom (vhtReal fLow, vhtReal fHigh)
static vhtReal	symmetricRandom ()
static unsigned int	rand (unsigned int uiNumber)
static vhtReal	randReal ()
static unsigned int	dice (unsigned int uiNumberFaces)
static vhtReal	tan (vhtReal fValue, bool useTables=false)
static vhtReal	cot (vhtReal value)
static vhtReal	degreesToRadians (vhtReal degrees)
static vhtReal	radiansToDegrees (vhtReal radians)
static void	setAngleUnit (AngleUnit unit)
static AngleUnit	getAngleUnit (void)
static vhtReal	angleUnitsToRadians (vhtReal units)
static vhtReal	radiansToAngleUnits (vhtReal radians)
static bool	pointInTri2D (vhtReal px, vhtReal pz, vhtReal ax, vhtReal az, vhtReal bx, vhtReal bz, vhtReal cx, vhtReal cz)
static bool	vhtRealEqual (vhtReal a, vhtReal b, vhtReal tolerance=std::numeric_limits< vhtReal >::epsilon())
template<class _OUT, class _IN>
static _OUT	fast_cast (_IN input)
template<class T>
static T	absoluteValue (T value)
template<class T>
static bool	isPositive (T a)
template<class T>
static bool	isNegative (T a)
template<class T>
static bool	sameSigns (T a, T b)
template<class T>
static T	copySign (T value, T s)
template<class T>
static bool	deltaRangeTest (T a, T b, T epsilon)
template<class T>
static bool	deltaRangeTest (T a, T b)
template<class T>
static const T &	minimum (const T &a, const T &b)
template<class T>
static const T &	maximum (const T &a, const T &b)
template<class T>
static const T &	maximum (const T &a, const T &b, const T &c)
template<class T>
static T	clamp (T value, T low, T high)
template<class T>
static T	clampPositive (T value)
template<class T>
static T	clampNegative (T value)
template<class T>
static bool	isPowerOfTwo (T input)
template<class T>
static T	nearestPowerOfTwo (T input)
template<class T>
static T	ceilingPowerOfTwo (T input)
template<class T>
static T	modulus (T a, T b)
template<class T>
static void	swap (T &a, T &b)
Static Public Attributes
static const vhtReal	POS_INFINITY
static const vhtReal	NEG_INFINITY
static const vhtReal	PI
static const vhtReal	TWO_PI
static const vhtReal	HALF_PI
static const vhtReal	MAX_vhtReal
static const vhtReal	MIN_vhtReal
static const vhtReal	INV_TWO_PI
static const vhtReal	DEG_TO_RAD
static const vhtReal	RAD_TO_DEG
static const vhtReal	G_EPSILON
static const vhtReal	EPSILON
Protected Member Functions
void	buildTrigTables ()
Static Private Attributes
static AngleUnit	msAngleUnit
static int	mTrigTableSize
static vhtReal	mTrigTableFactor
static vhtReal *	mSinTable
static vhtReal *	mTanTable

---

Member Enumeration Documentation

enum vhdMath::AngleUnit

Enumerator:

AU_DEGREE
AU_RADIAN

---

Constructor & Destructor Documentation

vhdMath::vhdMath

(

unsigned int

uiTrigTableSize = 4096

)

vhdMath::~vhdMath

(

)

---

Member Function Documentation

int vhdMath::iAbs

(

int

iValue

)

[static]

int vhdMath::iCeil

(

float

fValue

)

[static]

int vhdMath::iFloor

(

float

fValue

)

[static]

int vhdMath::iSign

(

int

iValue

)

[static]

vhtReal vhdMath::abs

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::aCos

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::aSin

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::aTan

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::aTan2	(	vhtReal	fY,
		vhtReal	fX
	)			[static]

vhtReal vhdMath::ceil

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::cos	(	vhtReal	fValue,
		bool	useTables = false
	)			[static]

vhtReal vhdMath::exp

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::floor

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::log

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::pow	(	vhtReal	kBase,
		vhtReal	kExponent
	)			[static]

vhtReal vhdMath::sign

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::sin	(	vhtReal	fValue,
		bool	useTables = false
	)			[static]

vhtReal vhdMath::sqr

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::sqrt

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::invSqrt

(

vhtReal

fValue

)

[static]

vhtReal vhdMath::unitRandom

(

)

[static]

vhtReal vhdMath::rangeRandom	(	vhtReal	fLow,
		vhtReal	fHigh
	)			[static]

vhtReal vhdMath::symmetricRandom

(

)

[static]

unsigned int vhdMath::rand

(

unsigned int

uiNumber

)

[static]

vhtReal vhdMath::randReal

(

)

[static]

unsigned int vhdMath::dice

(

unsigned int

uiNumberFaces

)

[static]

vhtReal vhdMath::tan	(	vhtReal	fValue,
		bool	useTables = false
	)			[static]

vhtReal vhdMath::cot

(

vhtReal

value

)

[static]

vhtReal vhdMath::degreesToRadians

(

vhtReal

degrees

)

[static]

vhtReal vhdMath::radiansToDegrees

(

vhtReal

radians

)

[static]

void vhdMath::setAngleUnit

(

AngleUnit

unit

)

[static]

vhdMath::AngleUnit vhdMath::getAngleUnit

(

void

)

[static]

vhtReal vhdMath::angleUnitsToRadians

(

vhtReal

units

)

[static]

vhtReal vhdMath::radiansToAngleUnits

(

vhtReal

radians

)

[static]

bool vhdMath::pointInTri2D	(	vhtReal	px,
		vhtReal	pz,
		vhtReal	ax,
		vhtReal	az,
		vhtReal	bx,
		vhtReal	bz,
		vhtReal	cx,
		vhtReal	cz
	)			[static]

bool vhdMath::vhtRealEqual	(	vhtReal	a,
		vhtReal	b,
		vhtReal	tolerance = std::numeric_limits< vhtReal >::epsilon()
	)			[static]

template<class _OUT, class _IN>

static _OUT vhdMath::fast_cast

(

_IN

input

)

[inline, static]

template<class T>

static T vhdMath::absoluteValue

(

T

value

)

[inline, static]

template<class T>

static bool vhdMath::isPositive

(

T

a

)

[inline, static]

template<class T>

static bool vhdMath::isNegative

(

T

a

)

[inline, static]

template<class T>

static bool vhdMath::sameSigns	(	T	a,
		T	b
	)			[inline, static]

template<class T>

static T vhdMath::copySign	(	T	value,
		T	s
	)			[inline, static]

template<class T>

static bool vhdMath::deltaRangeTest	(	T	a,
		T	b,
		T	epsilon
	)			[inline, static]

template<class T>

static bool vhdMath::deltaRangeTest	(	T	a,
		T	b
	)			[inline, static]

template<class T>

static const T& vhdMath::minimum	(	const T &	a,
		const T &	b
	)			[inline, static]

template<class T>

static const T& vhdMath::maximum	(	const T &	a,
		const T &	b
	)			[inline, static]

template<class T>

static const T& vhdMath::maximum	(	const T &	a,
		const T &	b,
		const T &	c
	)			[inline, static]

template<class T>

static T vhdMath::clamp	(	T	value,
		T	low,
		T	high
	)			[inline, static]

template<class T>

static T vhdMath::clampPositive

(

T

value

)

[inline, static]

template<class T>

static T vhdMath::clampNegative

(

T

value

)

[inline, static]

template<class T>

static bool vhdMath::isPowerOfTwo

(

T

input

)

[inline, static]

template<class T>

static T vhdMath::nearestPowerOfTwo

(

T

input

)

[inline, static]

template<class T>

static T vhdMath::ceilingPowerOfTwo

(

T

input

)

[inline, static]

template<class T>

static T vhdMath::modulus	(	T	a,
		T	b
	)			[inline, static]

template<class T>

static void vhdMath::swap	(	T &	a,
		T &	b
	)			[inline, static]

void vhdMath::buildTrigTables

(

)

[protected]

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Member Data Documentation

const vhtReal vhdMath::POS_INFINITY [static]

const vhtReal vhdMath::NEG_INFINITY [static]

const vhtReal vhdMath::PI [static]

const vhtReal vhdMath::TWO_PI [static]

const vhtReal vhdMath::HALF_PI [static]

const vhtReal vhdMath::MAX_vhtReal [static]

const vhtReal vhdMath::MIN_vhtReal [static]

const vhtReal vhdMath::INV_TWO_PI [static]

const vhtReal vhdMath::DEG_TO_RAD [static]

const vhtReal vhdMath::RAD_TO_DEG [static]

const vhtReal vhdMath::G_EPSILON [static]

const vhtReal vhdMath::EPSILON [static]

vhdMath::AngleUnit vhdMath::msAngleUnit [static, private]

int vhdMath::mTrigTableSize [static, private]

vhtReal vhdMath::mTrigTableFactor [static, private]

vhtReal * vhdMath::mSinTable [static, private]

vhtReal * vhdMath::mTanTable [static, private]

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