Math.ReciprocalSqrtEstimate(Double) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
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
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
Colaborar con nosotros en GitHub
El origen de este contenido se puede encontrar en GitHub, donde también puede crear y revisar problemas y solicitudes de incorporación de cambios. Para más información, consulte nuestra guía para colaboradores.