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. IBM Copyright 2003