Class RadMath

Provides static mathematical functions and constants.

Inheritance

System.Object

RadMath

Inherited Members

System.Object.ToString()

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

Namespace: Telerik.Charting

Assembly: Telerik.WinControls.dll

Syntax

public static class RadMath

Fields

DegToRadFactor

The factor used to convert degrees to their radians equivalent.

Declaration

public const double DegToRadFactor = 0.017453292519943295

Field Value

System.Double

Epsilon

Smallest unit such that 1.0+DBL_EPSILON != 1.0.

Declaration

public const double Epsilon = 2.2204460492503131E-09

Field Value

System.Double

RadToDegFactor

The factor used to convert radians to their degree equivalent.

Declaration

public const double RadToDegFactor = 57.295779513082323

Field Value

System.Double

Methods

AreClose(Double, Double)

Determines whether the two specified values are close within the order of EPSILON.

Declaration

public static bool AreClose(double value1, double value2)

Parameters

System.Double value1 The first value to compare.

System.Double value2 The second value to compare.

Returns

System.Boolean True if the values are close; otherwise, false.

AreClose(Double, Double, Double)

Determines whether the two specified values are close within the order of tolerance.

Declaration

public static bool AreClose(double value1, double value2, double tolerance)

Parameters

System.Double value1 The first value to compare.

System.Double value2 The second value to compare.

System.Double tolerance The tolerance value for comparison.

Returns

System.Boolean True if the values are close within the tolerance; otherwise, false.

CalculateHorizontalLineIntersectionPoint(Double, Double, Double, Double, Double)

Declaration

public static double CalculateHorizontalLineIntersectionPoint(double x1, double y1, double x2, double y2, double horizontalLineY)

Parameters

System.Double x1

System.Double y1

System.Double x2

System.Double y2

System.Double horizontalLineY

Returns

System.Double

CalculateVerticalLineIntersectionPoint(Double, Double, Double, Double, Double)

Declaration

public static double CalculateVerticalLineIntersectionPoint(double x1, double y1, double x2, double y2, double verticalLineX)

Parameters

System.Double x1

System.Double y1

System.Double x2

System.Double y2

System.Double verticalLineX

Returns

System.Double

Coerce(Double, Double, Double)

Declaration

public static double Coerce(double value, double min, double max)

Parameters

System.Double value

System.Double min

System.Double max

Returns

System.Double

GetArcPoint(Double, RadPoint, Double)

Gets the point that lies on the arc segment of the ellipse, described by the center and radius parameters.

Declaration

public static RadPoint GetArcPoint(double angle, RadPoint center, double radius)

Parameters

System.Double angle

RadPoint center

System.Double radius

Returns

RadPoint

GetPointDistance(Double, Double, Double, Double)

Gets the distance between two points in a plane.

Declaration

public static double GetPointDistance(double x1, double x2, double y1, double y2)

Parameters

System.Double x1 The x-coordinate of the first point.

System.Double x2 The x-coordinate of the second point.

System.Double y1 The y-coordinate of the first point.

System.Double y2 The y-coordinate of the second point.

Returns

System.Double

IsOne(Decimal)

Determines whether the specified value is close to 1 within the order of EPSILON.

Declaration

public static bool IsOne(decimal value)

Parameters

System.Decimal value The decimal value to check.

Returns

System.Boolean True if the value is close to one; otherwise, false.

IsOne(Double)

Determines whether the specified value is close to 1 within the order of EPSILON.

Declaration

public static bool IsOne(double value)

Parameters

System.Double value The value to check.

Returns

System.Boolean True if the value is close to one; otherwise, false.

IsZero(Decimal)

Determines whether the specified value is close to 0 within the order of EPSILON.

Declaration

public static bool IsZero(decimal value)

Parameters

System.Decimal value The decimal value to check.

Returns

System.Boolean True if the value is close to zero; otherwise, false.

IsZero(Double)

Determines whether the specified value is close to 0 within the order of EPSILON.

Declaration

public static bool IsZero(double value)

Parameters

System.Double value The value to check.

Returns

System.Boolean True if the value is close to zero; otherwise, false.

TrimLineSegmentToArea(ref RadPoint, ref RadPoint, RadRect)

Declaration

public static void TrimLineSegmentToArea(ref RadPoint point1, ref RadPoint point2, RadRect plotAreaClip)

Parameters

RadPoint point1

RadPoint point2

RadRect plotAreaClip