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Math.ReciprocalSqrtEstimate(Double) Method

Definition

Returns an estimate of the reciprocal square root of a specified number.

C#
public static double ReciprocalSqrtEstimate(double d);

Parameters

d
Double

The number whose reciprocal square root is to be estimated.

Returns

An estimate of the reciprocal square root d.

Remarks

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

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

Applies to

Producto Versiones
.NET 6, 7, 8, 9