MathHelper

StockSharp.Xaml.Charting.Rendering.HighQualityRasterizer.Agg.VectorMath

Contains common mathematical functions and constants.

方法

BinomialCoefficient(int, int) : long

Calculates the binomial coefficient above .

n: The n.
k: The k.

返回值: n! / (k! * (n - k)!)

DegreesToRadians(double) : double

Convert degrees to radians

degrees: An angle in degrees

返回值: The angle expressed in radians

Factorial(int) : long

Calculates the factorial of a given natural number.

n: The number.

返回值: n!

InverseSqrtFast(double) : double

Returns an approximation of the inverse square root of left number.

x: A number.

返回值: An approximation of the inverse square root of the specified number, with an upper error bound of 0.001

InverseSqrtFast(float) : double

Returns an approximation of the inverse square root of left number.

x: A number.

返回值: An approximation of the inverse square root of the specified number, with an upper error bound of 0.001

NextPowerOfTwo(long) : double

Returns the next power of two that is larger than the specified number.

n: The specified number.

返回值: The next power of two.

NextPowerOfTwo(double) : double

Returns the next power of two that is larger than the specified number.

n: The specified number.

返回值: The next power of two.

NextPowerOfTwo(float) : double

Returns the next power of two that is larger than the specified number.

n: The specified number.

返回值: The next power of two.

NextPowerOfTwo(int) : double

Returns the next power of two that is larger than the specified number.

n: The specified number.

返回值: The next power of two.

RadiansToDegrees(double) : double

Convert radians to degrees

radians: An angle in radians

返回值: The angle expressed in degrees

Swap(double, double)

Swaps two double values.

a: The first value.
b: The second value.

Swap(float, float)

Swaps two float values.

a: The first value.
b: The second value.

字段

E : double

Defines the value of E as a Single.

Log10E : double

Defines the base-10 logarithm of E.

Log2E : double

Defines the base-2 logarithm of E.

Pi : double

Defines the value of Pi as a Single.

PiOver2 : double

Defines the value of Pi divided by two as a Single.

PiOver3 : double

Defines the value of Pi divided by three as a Single.

PiOver4 : double

Definesthe value of Pi divided by four as a Single.

PiOver6 : double

Defines the value of Pi divided by six as a Single.

ThreePiOver2 : double

Defines the value of Pi multiplied by 3 and divided by two as a Single.

TwoPi : double

Defines the value of Pi multiplied by two as a Single.