Reciprocal Sqrt Estimate(Double) Method
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Returns an estimate of the reciprocal square root of a specified number.
public: static double ReciprocalSqrtEstimate(double d);
public static double ReciprocalSqrtEstimate (double d);
static member ReciprocalSqrtEstimate : double -> double
Public Shared Function ReciprocalSqrtEstimate (d As Double) As Double
The number whose reciprocal square root is to be estimated.
An estimate of the reciprocal square root
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).