Class BufferUtil

Inheritance
Object
BufferUtil
Inherited Members
Namespace: g3
Assembly: cs.temp.dll.dll
Syntax
public class BufferUtil

Methods

AllocNxM(Int32, Int32)

Declaration
public static double[][] AllocNxM(int N, int M)
Parameters
Type Name Description
Int32 N
Int32 M
Returns
Type Description
Double[][]

CompressZLib(Byte[], Boolean)

Compress a byte buffer using Deflate/ZLib compression.

Declaration
public static byte[] CompressZLib(byte[] buffer, bool bFast)
Parameters
Type Name Description
Byte[] buffer
Boolean bFast
Returns
Type Description
Byte[]

CountValid<T>(T[], Func<T, Boolean>, Int32)

Count number of elements in array (or up to max_i) that pass FilterF test

Declaration
public static int CountValid<T>(T[] data, Func<T, bool> FilterF, int max_i = -1)
Parameters
Type Name Description
T[] data
Func<T, Boolean> FilterF
Int32 max_i
Returns
Type Description
Int32
Type Parameters
Name Description
T

DecompressZLib(Byte[])

Decompress a byte buffer that has been compressed using Deflate/ZLib compression

Declaration
public static byte[] DecompressZLib(byte[] zBuffer)
Parameters
Type Name Description
Byte[] zBuffer
Returns
Type Description
Byte[]

DistanceSquared(Double[], Double[])

Declaration
public static double DistanceSquared(double[] a, double[] b)
Parameters
Type Name Description
Double[] a
Double[] b
Returns
Type Description
Double

Dot(Double[], Double[])

Declaration
public static double Dot(double[] a, double[] b)
Parameters
Type Name Description
Double[] a
Double[] b
Returns
Type Description
Double

Filter<T>(T[], Func<T, Boolean>, Int32)

return a new array containing only elements (or up to max_i) that pass FilterF test

Declaration
public static T[] Filter<T>(T[] data, Func<T, bool> FilterF, int max_i = -1)
Parameters
Type Name Description
T[] data
Func<T, Boolean> FilterF
Int32 max_i
Returns
Type Description
T[]
Type Parameters
Name Description
T

FilterInPlace<T>(T[], Func<T, Boolean>, Int32)

shifts elements of array (or up to max_i) that pass FilterF to front of list, and returns number that passed

Declaration
public static int FilterInPlace<T>(T[] data, Func<T, bool> FilterF, int max_i = -1)
Parameters
Type Name Description
T[] data
Func<T, Boolean> FilterF
Int32 max_i
Returns
Type Description
Int32
Type Parameters
Name Description
T

InitNxM(Int32, Int32, Double[][])

Declaration
public static double[][] InitNxM(int N, int M, double[][] init)
Parameters
Type Name Description
Int32 N
Int32 M
Double[][] init
Returns
Type Description
Double[][]

MultiplyAdd(Double[], Double, Double[])

Declaration
public static void MultiplyAdd(double[] dest, double multiply, double[] add)
Parameters
Type Name Description
Double[] dest
Double multiply
Double[] add

MultiplyAdd(Double[], Double[], Double[])

Declaration
public static void MultiplyAdd(double[] dest, double[] multiply, double[] add)
Parameters
Type Name Description
Double[] dest
Double[] multiply
Double[] add

MultiplyAdd_GetSqrSum(Double[], Double, Double[])

Declaration
public static double MultiplyAdd_GetSqrSum(double[] dest, double multiply, double[] add)
Parameters
Type Name Description
Double[] dest
Double multiply
Double[] add
Returns
Type Description
Double

ParallelDot(Double[], Double[][], Double[][])

Declaration
public static void ParallelDot(double[] a, double[][] b, double[][] result)
Parameters
Type Name Description
Double[] a
Double[][] b
Double[][] result

SetTriangle(Int32[], Int32, Int32, Int32, Int32)

Declaration
public static void SetTriangle(int[] v, int i, int a, int b, int c)
Parameters
Type Name Description
Int32[] v
Int32 i
Int32 a
Int32 b
Int32 c

SetVertex2(Double[], Int32, Double, Double)

Declaration
public static void SetVertex2(double[] v, int i, double x, double y)
Parameters
Type Name Description
Double[] v
Int32 i
Double x
Double y

SetVertex2(Single[], Int32, Single, Single)

Declaration
public static void SetVertex2(float[] v, int i, float x, float y)
Parameters
Type Name Description
Single[] v
Int32 i
Single x
Single y

SetVertex3(Double[], Int32, Double, Double, Double)

Declaration
public static void SetVertex3(double[] v, int i, double x, double y, double z)
Parameters
Type Name Description
Double[] v
Int32 i
Double x
Double y
Double z

SetVertex3(Single[], Int32, Single, Single, Single)

Declaration
public static void SetVertex3(float[] v, int i, float x, float y, float z)
Parameters
Type Name Description
Single[] v
Int32 i
Single x
Single y
Single z

ToBytes(Double[])

convert double array to bytes

Declaration
public static byte[] ToBytes(double[] array)
Parameters
Type Name Description
Double[] array
Returns
Type Description
Byte[]

ToBytes(Int16[])

convert short array to bytes

Declaration
public static byte[] ToBytes(short[] array)
Parameters
Type Name Description
Int16[] array
Returns
Type Description
Byte[]

ToBytes(Int32[])

convert int array to bytes

Declaration
public static byte[] ToBytes(int[] array)
Parameters
Type Name Description
Int32[] array
Returns
Type Description
Byte[]

ToBytes(Single[])

convert float array to bytes

Declaration
public static byte[] ToBytes(float[] array)
Parameters
Type Name Description
Single[] array
Returns
Type Description
Byte[]

ToDouble(Byte[])

convert byte array to double array

Declaration
public static double[] ToDouble(byte[] buffer)
Parameters
Type Name Description
Byte[] buffer
Returns
Type Description
Double[]

ToFloat(Byte[])

convert byte array to float array

Declaration
public static float[] ToFloat(byte[] buffer)
Parameters
Type Name Description
Byte[] buffer
Returns
Type Description
Single[]

ToIndex3i<T>(IEnumerable<T>)

convert input set into Index3i. Supports packed list of int tuples, list of Vector3i/Index3i

Declaration
public static Index3i[] ToIndex3i<T>(IEnumerable<T> values)
Parameters
Type Name Description
IEnumerable<T> values
Returns
Type Description
Index3i[]
Type Parameters
Name Description
T

ToIndexArray4i(Byte[])

convert byte array to IndexArray4i

Declaration
public static IndexArray4i ToIndexArray4i(byte[] buffer)
Parameters
Type Name Description
Byte[] buffer
Returns
Type Description
IndexArray4i

ToInt(Byte[])

convert byte array to int array

Declaration
public static int[] ToInt(byte[] buffer)
Parameters
Type Name Description
Byte[] buffer
Returns
Type Description
Int32[]

ToShort(Byte[])

convert byte array to short array

Declaration
public static short[] ToShort(byte[] buffer)
Parameters
Type Name Description
Byte[] buffer
Returns
Type Description
Int16[]

ToVector3d<T>(IEnumerable<T>)

convert input set into Vector3d. Supports packed list of float/double tuples, list of Vector3f/Vector3d

Declaration
public static Vector3d[] ToVector3d<T>(IEnumerable<T> values)
Parameters
Type Name Description
IEnumerable<T> values
Returns
Type Description
Vector3d[]
Type Parameters
Name Description
T

ToVector3f<T>(IEnumerable<T>)

convert input set into Vector3f. Supports packed list of float/double tuples, list of Vector3f/Vector3d

Declaration
public static Vector3f[] ToVector3f<T>(IEnumerable<T> values)
Parameters
Type Name Description
IEnumerable<T> values
Returns
Type Description
Vector3f[]
Type Parameters
Name Description
T

ToVectorArray2f(Byte[])

convert byte array to VectorArray2f

Declaration
public static VectorArray2f ToVectorArray2f(byte[] buffer)
Parameters
Type Name Description
Byte[] buffer
Returns
Type Description
VectorArray2f

ToVectorArray3d(Byte[])

convert byte array to VectorArray3d

Declaration
public static VectorArray3d ToVectorArray3d(byte[] buffer)
Parameters
Type Name Description
Byte[] buffer
Returns
Type Description
VectorArray3d

ToVectorArray3f(Byte[])

convert byte array to VectorArray3f

Declaration
public static VectorArray3f ToVectorArray3f(byte[] buffer)
Parameters
Type Name Description
Byte[] buffer
Returns
Type Description
VectorArray3f

ToVectorArray3i(Byte[])

convert byte array to VectorArray3i

Declaration
public static VectorArray3i ToVectorArray3i(byte[] buffer)
Parameters
Type Name Description
Byte[] buffer
Returns
Type Description
VectorArray3i