NMathFunctionsCountIf(Int32, FuncDouble, Boolean) Method

Calculates how many elements in an array return true when a logical function is applied.

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

Syntax

public static int CountIf(
	int[] data,
	Func<double, bool> function
)

Public Shared Function CountIf ( 
	data As Integer(),
	function As Func(Of Double, Boolean)
) As Integer

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

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

data Int32: An array of integers.
function FuncDouble, Boolean: A function that takes a double and returns a boolean.

Int32
A count.

Remarks

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