Math utility methods. More...

Classes
struct	FastAbs
	Represents a structure that allows quick setting of the sign bit of floats using field offsets. More...

Static Public Member Functions
static int	BitScanReverse (int v)
	Finds the index of the most significant set bit (1-bit) in a 32-bit integer.
static int	BitScanReverse (long v)
	Finds the index of the most significant set bit (1-bit) in a 64-bit integer.
static int	BitScanReverse (uint v)
	Finds the index of the most significant set bit (1-bit) in a 32-bit unsigned integer.
static int	BitScanReverse (ulong v)
	Finds the index of the most significant set bit (1-bit) in a 64-bit unsigned integer.
static int	BitsRequiredForNumber (int n)
	Determines the number of bits required to represent the specified integer.
static int	BitsRequiredForNumber (uint n)
	Determines the number of bits required to represent a uint value.
static int	BytesRequiredForBits (int b)
	Calculates the number of bytes required to store the specified number of bits.
static short	BytesRequiredForBits (short b)
	Calculates the number of bytes required to store the specified number of bits.
static int	CeilToInt (double value)
	Rounds a double value up to the nearest integer.
static double	Clamp (double v, double min, double max)
	Clamps a double value to the specified range.
static float	Clamp (float v, float min, float max)
	Clamps a float value to the specified range.
static int	Clamp (int v, int min, int max)
	Clamps an integer value to the specified range.
static uint	Clamp (uint v, uint min, uint max)
	Clamps an unsigned integer value to the specified range.
static double	Clamp01 (double v)
	Clamps a double value to the range [0, 1].
static float	Clamp01 (float v)
	Clamps a float value to the range [0, 1].
static byte	ClampToByte (int v)
	Clamps an integer value to the range [0, 255] and returns it as a byte.
static double	CosineInterpolate (double a, double b, double t)
	Performs cosine interpolation between two values.
static int	CountSetBits (ulong x)
	Counts the number of bits set to 1 in a ulong value.
static int	CountUsedBitsMinOne (uint value)
	Counts the number of bits set to 1 in a uint value, minus one.
static int	FloorToInt (double value)
	Rounds a double value down to the nearest integer.
static int	IntsRequiredForBits (int b)
	Calculates the number of integers required to store the specified number of bits.
static double	Lerp (double a, double b, double t)
	Linearly interpolates between two double values.
static float	Lerp (float a, float b, float t)
	Linearly interpolates between two float values.
static double	MicrosecondsToSeconds (long microseconds)
	Converts microseconds to seconds.
static long	MillisecondsToMicroseconds (long milliseconds)
	Converts milliseconds to microseconds.
static double	MillisecondsToSeconds (double seconds)
	Converts milliseconds to seconds.
static uint	Min (uint v, uint max)
	Returns the minimum of two unsigned integer values.
static uint	NextPowerOfTwo (uint v)
	Calculates the next power of two greater than or equal to a given uint value.
static unsafe string	PrintBits (byte *data, int count)
	Converts a byte array to a string representation of its bits.
static uint	QuaternionCompress (Quaternion rot)
	Primary Compression Method. Converts a quaternion into a ulong buffer. Depending on size most of the top bits will be 0.
static Quaternion	QuaternionDecompress (uint buffer)
	Primary Decompression Method. Decompress the 3 channels and missing channel ID from the serialized ULong buffer.
static int	RoundsEvenlyToBytesOrThrow (int bits)
	Converts the number of bits to bytes, ensuring the number of bits is a multiple of 8.
static long	SecondsToMicroseconds (double seconds)
	Converts seconds to microseconds.
static long	SecondsToMilliseconds (double seconds)
	Converts seconds to milliseconds.
static unsafe int	SizeOfBits< T > ()
	Returns the size of the specified unmanaged type in bits.
static int	ZigZagDecode (int i)
	Decodes a ZigZag encoded integer.
static long	ZigZagDecode (long i)
	Decodes a ZigZag encoded long integer.
static int	ZigZagEncode (int i)
	Encodes an integer using ZigZag encoding.
static long	ZigZagEncode (long i)
	Encodes a long integer using ZigZag encoding.

Detailed Description

Math utility methods.

Member Function Documentation

◆ BitScanReverse() [1/4]

int BitScanReverse ( int v )

static

Finds the index of the most significant set bit (1-bit) in a 32-bit integer.

Parameters

v	The 32-bit integer to scan.

Returns: The index of the most significant set bit.

◆ BitScanReverse() [2/4]

int BitScanReverse ( long v )

static

Finds the index of the most significant set bit (1-bit) in a 64-bit integer.

Parameters

v	The 64-bit integer to scan.

Returns: The index of the most significant set bit.

◆ BitScanReverse() [3/4]

int BitScanReverse ( uint v )

static

Finds the index of the most significant set bit (1-bit) in a 32-bit unsigned integer.

Parameters

v	The 32-bit unsigned integer to scan.

Returns: The index of the most significant set bit.

◆ BitScanReverse() [4/4]

int BitScanReverse ( ulong v )

static

Finds the index of the most significant set bit (1-bit) in a 64-bit unsigned integer.

Parameters

v	The 64-bit unsigned integer to scan.

Returns: The index of the most significant set bit.

◆ BitsRequiredForNumber() [1/2]

int BitsRequiredForNumber ( int n )

static

Determines the number of bits required to represent the specified integer.

Parameters

n	The integer to evaluate.

Returns: The number of bits required to represent the integer.

◆ BitsRequiredForNumber() [2/2]

int BitsRequiredForNumber ( uint n )

static

Determines the number of bits required to represent a uint value.

Parameters

n	The uint value to evaluate.

Returns: The number of bits required to represent the value.

◆ BytesRequiredForBits() [1/2]

int BytesRequiredForBits ( int b )

static

Calculates the number of bytes required to store the specified number of bits.

Parameters

b	The number of bits.

Returns: The number of bytes required.

◆ BytesRequiredForBits() [2/2]

short BytesRequiredForBits ( short b )

static

Calculates the number of bytes required to store the specified number of bits.

Parameters

b	The number of bits.

Returns: The number of bytes required.

◆ CeilToInt()

int CeilToInt ( double value )

static

Rounds a double value up to the nearest integer.

Parameters

value The double value to round up.

Returns: The smallest integer greater than or equal to the specified value.

◆ Clamp() [1/4]

double Clamp	(	double	v,
		double	min,
		double	max )

static

Clamps a double value to the specified range.

Parameters

v	The value to clamp.
min	The minimum value of the range.
max	The maximum value of the range.

Returns: The clamped value.

◆ Clamp() [2/4]

float Clamp	(	float	v,
		float	min,
		float	max )

static

Clamps a float value to the specified range.

Parameters

v	The value to clamp.
min	The minimum value of the range.
max	The maximum value of the range.

Returns: The clamped value.

◆ Clamp() [3/4]

int Clamp	(	int	v,
		int	min,
		int	max )

static

Clamps an integer value to the specified range.

Parameters

v	The value to clamp.
min	The minimum value of the range.
max	The maximum value of the range.

Returns: The clamped value.

◆ Clamp() [4/4]

uint Clamp	(	uint	v,
		uint	min,
		uint	max )

static

Clamps an unsigned integer value to the specified range.

Parameters

v	The value to clamp.
min	The minimum value of the range.
max	The maximum value of the range.

Returns: The clamped value.

◆ Clamp01() [1/2]

double Clamp01 ( double v )

static

Clamps a double value to the range [0, 1].

Parameters

v	The value to clamp.

Returns: The clamped value.

◆ Clamp01() [2/2]

float Clamp01 ( float v )

static

Clamps a float value to the range [0, 1].

Parameters

v	The value to clamp.

Returns: The clamped value.

◆ ClampToByte()

byte ClampToByte ( int v )

static

Clamps an integer value to the range [0, 255] and returns it as a byte.

Parameters

v	The value to clamp.

Returns: The clamped value as a byte.

◆ CosineInterpolate()

double CosineInterpolate	(	double	a,
		double	b,
		double	t )

static

Performs cosine interpolation between two values.

Parameters

a	The start value.
b	The end value.
t	The interpolation factor, typically between 0 and 1.

Returns: The interpolated value.

◆ CountSetBits()

int CountSetBits ( ulong x )

static

Counts the number of bits set to 1 in a ulong value.

Parameters

x	The ulong value to count bits in.

Returns: The number of bits set to 1.

◆ CountUsedBitsMinOne()

int CountUsedBitsMinOne ( uint value )

static

Counts the number of bits set to 1 in a uint value, minus one.

Parameters

value The uint value to count bits in.

Returns: The number of bits set to 1, minus one.

◆ FloorToInt()

int FloorToInt ( double value )

static

Rounds a double value down to the nearest integer.

Parameters

value The double value to round down.

Returns: The largest integer less than or equal to the specified value.

◆ IntsRequiredForBits()

int IntsRequiredForBits ( int b )

static

Calculates the number of integers required to store the specified number of bits.

Parameters

b	The number of bits.

Returns: The number of integers required.

◆ Lerp() [1/2]

double Lerp	(	double	a,
		double	b,
		double	t )

static

Linearly interpolates between two double values.

Parameters

a	The start value.
b	The end value.
t	The interpolation factor, typically between 0 and 1.

Returns: The interpolated value.

◆ Lerp() [2/2]

float Lerp	(	float	a,
		float	b,
		float	t )

static

Linearly interpolates between two float values.

Parameters

a	The start value.
b	The end value.
t	The interpolation factor, typically between 0 and 1.

Returns: The interpolated value.

◆ MicrosecondsToSeconds()

double MicrosecondsToSeconds ( long microseconds )

static

Converts microseconds to seconds.

Parameters

microseconds The time in microseconds.

Returns: The time in seconds.

◆ MillisecondsToMicroseconds()

long MillisecondsToMicroseconds ( long milliseconds )

static

Converts milliseconds to microseconds.

Parameters

milliseconds The time in milliseconds.

Returns: The time in microseconds.

◆ MillisecondsToSeconds()

double MillisecondsToSeconds ( double seconds )

static

Converts milliseconds to seconds.

Parameters

seconds The time in milliseconds.

Returns: The time in seconds.

◆ Min()

uint Min	(	uint	v,
		uint	max )

static

Returns the minimum of two unsigned integer values.

Parameters

v	The first value.
max	The second value.

Returns: The minimum value.

◆ NextPowerOfTwo()

uint NextPowerOfTwo ( uint v )

static

Calculates the next power of two greater than or equal to a given uint value.

Parameters

v	The uint value to evaluate.

Returns: The next power of two greater than or equal to the value.

◆ PrintBits()

unsafe string PrintBits	(	byte *	data,
		int	count )

static

Converts a byte array to a string representation of its bits.

Parameters

data	Pointer to the byte array.
count	The number of bytes to convert.

Returns: A string representation of the bits.

◆ QuaternionCompress()

uint QuaternionCompress ( Quaternion rot )

static

Primary Compression Method. Converts a quaternion into a ulong buffer. Depending on size most of the top bits will be 0.

Parameters

rot	The quaternion to be compressed

Returns: A ulong buffer of the compressed quat.

◆ QuaternionDecompress()

Quaternion QuaternionDecompress ( uint buffer )

static

Primary Decompression Method. Decompress the 3 channels and missing channel ID from the serialized ULong buffer.

Parameters

buffer The ulong that represents the compressed quaternion.

Returns: The restored Quaternion.

◆ RoundsEvenlyToBytesOrThrow()

int RoundsEvenlyToBytesOrThrow ( int bits )

static

Converts the number of bits to bytes, ensuring the number of bits is a multiple of 8.

Parameters

bits	The number of bits to convert.

Returns: The number of bytes.

Exceptions

ArgumentException Thrown if the number of bits is not a multiple of 8.

◆ SecondsToMicroseconds()

long SecondsToMicroseconds ( double seconds )

static

Converts seconds to microseconds.

Parameters

seconds The time in seconds.

Returns: The time in microseconds.

◆ SecondsToMilliseconds()

long SecondsToMilliseconds ( double seconds )

static

Converts seconds to milliseconds.

Parameters

seconds The time in seconds.

Returns: The time in milliseconds.

◆ SizeOfBits< T >()

unsafe int SizeOfBits< T > ( )

static

Returns the size of the specified unmanaged type in bits.

Template Parameters

T	The unmanaged type.

Returns: The size of the type in bits.

Type Constraints

T

:

unmanaged

◆ ZigZagDecode() [1/2]

int ZigZagDecode ( int i )

static

Decodes a ZigZag encoded integer.

Parameters

i	The ZigZag encoded integer to decode.

Returns: The decoded integer.

◆ ZigZagDecode() [2/2]

long ZigZagDecode ( long i )

static

Decodes a ZigZag encoded long integer.

Parameters

i	The ZigZag encoded long integer to decode.

Returns: The decoded long integer.

◆ ZigZagEncode() [1/2]

int ZigZagEncode ( int i )

static

Encodes an integer using ZigZag encoding.

Parameters

i	The integer to encode.

Returns: The ZigZag encoded integer.

◆ ZigZagEncode() [2/2]

long ZigZagEncode ( long i )

static

Encodes a long integer using ZigZag encoding.

Parameters

i	The long integer to encode.

Returns: The ZigZag encoded long integer.

Photon Fusion 2.1.1

Classes

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ BitScanReverse() [1/4]

◆ BitScanReverse() [2/4]

◆ BitScanReverse() [3/4]

◆ BitScanReverse() [4/4]

◆ BitsRequiredForNumber() [1/2]

◆ BitsRequiredForNumber() [2/2]

◆ BytesRequiredForBits() [1/2]

◆ BytesRequiredForBits() [2/2]

◆ CeilToInt()

◆ Clamp() [1/4]

◆ Clamp() [2/4]

◆ Clamp() [3/4]

◆ Clamp() [4/4]

◆ Clamp01() [1/2]

◆ Clamp01() [2/2]

◆ ClampToByte()

◆ CosineInterpolate()

◆ CountSetBits()

◆ CountUsedBitsMinOne()

◆ FloorToInt()

◆ IntsRequiredForBits()

◆ Lerp() [1/2]

◆ Lerp() [2/2]

◆ MicrosecondsToSeconds()

◆ MillisecondsToMicroseconds()

◆ MillisecondsToSeconds()

◆ Min()

◆ NextPowerOfTwo()

◆ PrintBits()

◆ QuaternionCompress()

◆ QuaternionDecompress()

◆ RoundsEvenlyToBytesOrThrow()

◆ SecondsToMicroseconds()

◆ SecondsToMilliseconds()

◆ SizeOfBits< T >()

◆ ZigZagDecode() [1/2]

◆ ZigZagDecode() [2/2]

◆ ZigZagEncode() [1/2]

◆ ZigZagEncode() [2/2]