FRSQRTES(X)

Purpose

Floating-point Square Root Reciprocal Estimate Single

Returns the result of a reciprocal square root operation.

Valid on a POWER5 architecture.

Class

Function

Argument type and attributes

X
must be of type REAL(4).

Result type and attributes

Same as X.

Result value

The result is a single precision estimate of the reciprocal of the square root of X.