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korenkonder_PD_Tool/KKdMainLib/MathExtensions.cs
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2019-07-03 14:52:16 +03:00

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using System;
namespace KKdMainLib
{
public static class MathExtensions
{
private const double RadPi = 180 / Math.PI;
public static double ToDegrees(this double val) => val * RadPi;
public static double ToRadians(this double val) => val / RadPi;
public static double Acos (this double d ) => Math.Acos (d );
public static double Asin (this double d ) => Math.Asin (d );
public static double Atan (this double d ) => Math.Atan (d );
public static double Aсtg (this double d ) => 1 / Math.Atan (d );
public static double Cos (this double d ) => Math.Cos (d );
public static double Cosh (this double val) => Math.Cosh (val);
public static double Sin (this double a ) => Math.Sin (a );
public static double Sinh (this double val) => Math.Sinh (val);
public static double Tan (this double a ) => Math.Tan (a );
public static double Tanh (this double val) => Math.Tanh (val);
public static double Ctg (this double a ) => 1 / Math.Tan (a );
public static double Ctgh (this double val) => 1 / Math.Tanh (val);
public static double Abs (this double val) => Math.Abs (val);
public static double Ceiling(this double a ) => Math.Ceiling(a );
public static double Exp (this double d ) => Math.Exp (d );
public static double Log (this double d ) => Math.Log (d );
public static double Log10 (this double d ) => Math.Log10 (d );
public static double Round (this double d ) => Math.Round (d );
public static int Sign (this double val) => Math.Sign (val);
public static double Sqrt (this double d ) => Math.Sqrt (d );
public static double Atan2(this double y , double x ) => Math.Atan2(y , x );
public static double Log (this double val , double newBase) => Math.Log (val , newBase);
public static double Max (this double val1, double val2 ) => Math.Max (val1, val2 );
public static double Min (this double val1, double val2 ) => Math.Min (val1, val2 );
public static double Pow (this double x , double y ) => Math.Pow (x , y );
public static double Round(this double val , int d ) => Math.Round(val , d );
public static void FloorCeiling( ref double Value) =>
Value = Value % 1 >= 0.5 ? (long)(Value + 0.5) : (long) Value;
public static long FloorCeiling(this double Value) =>
Value % 1 >= 0.5 ? (long)(Value + 0.5) : (long) Value;
public static int Align(this int value, int alignement, int divide = 1) =>
((value % alignement == 0) ? value : (value + alignement - value % alignement)) / divide;
public static uint Align(this uint value, uint alignement, uint divide = 1) =>
((value % alignement == 0) ? value : (value + alignement - value % alignement)) / divide;
public static long Align(this long value, long alignement, long divide = 1) =>
((value % alignement == 0) ? value : (value + alignement - value % alignement)) / divide;
public static ulong Align(this ulong value, ulong alignement, ulong divide = 1) =>
((value % alignement == 0) ? value : (value + alignement - value % alignement)) / divide;
public static byte[] buf = new byte[8];
public static unsafe byte* bufPtr = buf.GetPtr();
public static unsafe long Endian(this long LE, byte Len, bool IsBE)
{ if (IsBE) { for (byte i = 0; i < Len; i++) { bufPtr[i] = (byte)LE; LE >>= 8; } LE = 0;
for (byte i = 0; i < Len; i++) { LE |= bufPtr[i]; if (i < Len - 1) LE <<= 8; } } return LE; }
public static unsafe ulong Endian(this ulong LE, byte Len, bool IsBE)
{ if (IsBE) { for (byte i = 0; i < Len; i++) { bufPtr[i] = (byte)LE; LE >>= 8; } LE = 0;
for (byte i = 0; i < Len; i++) { LE |= bufPtr[i]; if (i < Len - 1) LE <<= 8; } } return LE; }
public static sbyte CITSB(this int c)
{
if (c > 0x7F) c = 0x7F;
else if (c < -0x80) c = -0x80;
return (sbyte)c;
}
public static byte CITB(this int c)
{
if (c > 0xFF) c = 0xFF;
else if (c < 0x00) c = 0x00;
return (byte)c;
}
public static short CITS(this int c)
{
if (c > 0x7FFF) c = 0x7FFF;
else if (c < -0x8000) c = -0x8000;
return (short)c;
}
public static ushort CITUS(this int c)
{
if (c > 0xFFFF) c = 0xFFFF;
else if (c < 0x0000) c = 0x0000;
return (ushort)c;
}
public static sbyte CFTSB(this float c)
{
c = c.Round();
if (c > 0x7F) c = 0x7F;
else if (c < -0x80) c = -0x80;
return (sbyte)c;
}
public static byte CFTB(this float c)
{
c = c.Round();
if (c > 0xFF) c = 0xFF;
else if (c < 0x00) c = 0x00;
return (byte)c;
}
public static short CFTS(this float c)
{
c = c.Round();
if (c > 0x7FFF) c = 0x7FFF;
else if (c < -0x8000) c = -0x8000;
return (short)c;
}
public static ushort CFTUS(this float c)
{
c = c.Round();
if (c > 0xFFFF) c = 0xFFFF;
else if (c < 0x0000) c = 0x0000;
return (ushort)c;
}
public static int CFTI(this float c)
{
c = c.Round();
if (c > 0x7FFFFFFF) c = 0x7FFFFFFF;
else if (c < -0x80000000) c = -0x80000000;
return (int)c;
}
public static uint CFTUI(this float c)
{
c = c.Round();
if (c > 0xFFFFFFFF) c = 0xFFFFFFFF;
else if (c < 0x00000000) c = 0x00000000;
return (uint)c;
}
public static float Round(this float c) => (float)Math.Round(c);
public static sbyte CFTSB(this double c)
{
c = Math.Round(c);
if (c > 0x7F) c = 0x7F;
else if (c < -0x80) c = -0x80;
return (sbyte)c;
}
public static byte CFTB(this double c)
{
c = Math.Round(c);
if (c > 0xFF) c = 0xFF;
else if (c < 0x00) c = 0x00;
return (byte)c;
}
public static short CFTS(this double c)
{
c = Math.Round(c);
if (c > 0x7FFF) c = 0x7FFF;
else if (c < -0x8000) c = -0x8000;
return (short)c;
}
public static ushort CFTUS(this double c)
{
c = Math.Round(c);
if (c > 0xFFFF) c = 0xFFFF;
else if (c < 0x0000) c = 0x0000;
return (ushort)c;
}
public static int CFTI(this double c)
{
c = Math.Round(c);
if (c > 0x7FFFFFFF) c = 0x7FFFFFFF;
else if (c < -0x80000000) c = -0x80000000;
return (int)c;
}
public static uint CFTUI(this double c)
{
c = Math.Round(c);
if (c > 0xFFFFFFFF) c = 0xFFFFFFFF;
else if (c < 0x00000000) c = 0x00000000;
return (uint)c;
}
public static unsafe sbyte* GetPtr(this sbyte[] array)
{ sbyte* Ptr; fixed ( sbyte* tempPtr = array) Ptr = tempPtr; return Ptr; }
public static unsafe byte* GetPtr(this byte[] array)
{ byte* Ptr; fixed ( byte* tempPtr = array) Ptr = tempPtr; return Ptr; }
public static unsafe short* GetPtr(this short[] array)
{ short* Ptr; fixed ( short* tempPtr = array) Ptr = tempPtr; return Ptr; }
public static unsafe ushort* GetPtr(this ushort[] array)
{ ushort* Ptr; fixed (ushort* tempPtr = array) Ptr = tempPtr; return Ptr; }
public static unsafe int* GetPtr(this int[] array)
{ int* Ptr; fixed ( int* tempPtr = array) Ptr = tempPtr; return Ptr; }
public static unsafe uint* GetPtr(this uint[] array)
{ uint* Ptr; fixed ( uint* tempPtr = array) Ptr = tempPtr; return Ptr; }
public static unsafe long* GetPtr(this long[] array)
{ long* Ptr; fixed ( long* tempPtr = array) Ptr = tempPtr; return Ptr; }
public static unsafe ulong* GetPtr(this ulong[] array)
{ ulong* Ptr; fixed ( ulong* tempPtr = array) Ptr = tempPtr; return Ptr; }
public static unsafe float* GetPtr(this float[] array)
{ float* Ptr; fixed ( float* tempPtr = array) Ptr = tempPtr; return Ptr; }
public static unsafe double* GetPtr(this double[] array)
{ double* Ptr; fixed (double* tempPtr = array) Ptr = tempPtr; return Ptr; }
}
}