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Math.ReciprocalEstimate(Double) Method

Definition

Returns an estimate of the reciprocal of a specified number.

public:
 static double ReciprocalEstimate(double d);
public static double ReciprocalEstimate (double d);
static member ReciprocalEstimate : double -> double
Public Shared Function ReciprocalEstimate (d As Double) As Double

Parameters

d
Double

The number whose reciprocal is to be estimated.

Returns

An estimate of the reciprocal of d.

Remarks

On ARM64 hardware this may use the FRECPE instruction which performs a single Newton-Raphson iteration.

On hardware without specialized support, this may just return 1.0 / d.

Applies to