NMathFunctionsIf(Int32, FuncDouble, Boolean, Double, Double) Method

Creates a new array by applying a logical function to the elements of an array. Elements in the original array that return true are set to the given true value in the new array; elements that return false are set to the given false value.

Namespace: CenterSpace.NMath.Core
Assembly: NMath (in NMath.dll) Version: 7.4

Syntax

C++

Copy

public static double[] If(
	int[] data,
	Func<double, bool> function,
	double ifTrue,
	double ifFalse
)

Public Shared Function If ( 
	data As Integer(),
	function As Func(Of Double, Boolean),
	ifTrue As Double,
	ifFalse As Double
) As Double()

public:
static array<double>^ If(
	array<int>^ data, 
	Func<double, bool>^ function, 
	double ifTrue, 
	double ifFalse
)

static member If : 
        data : int[] * 
        function : Func<float, bool> * 
        ifTrue : float * 
        ifFalse : float -> float[]

Parameters

data Int32: An array of integers.
function FuncDouble, Boolean: A function that takes a double and returns a boolean.
ifTrue Double: Value in case of true.
ifFalse Double: Value in case of false.

Return Value

Double
A new array.

Remarks

Integer values will be promoted to floating-point values for the calculation. The array will not be altered.

Reference

NMathFunctions Class

If Overload

CenterSpace.NMath.Core Namespace