FX_InvSqrt

C Specification

#include <nitro/fx/fx_cp.h>

fx32 FX_InvSqrt(fx32 x);

Arguments

x fx32 format fixed-point decimal

Return Values

Reciprocal of the square root of x.

Description

This function calculates the reciprocal of an fx32-format square root. The result is returned as an fx32 type.
The Divider and Square Root Calculator are used internally. Refer to Divider Usage Notes when using this function inside an interrupt.

See Also

FX_Sqrt, FX_Inv

Revision History

01/19/2004 Initial version.


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