FRE(X)

Purpose

Floating-point Reciprocal Estimate

Returns an estimate of a floating-point reciprocal operation.

Valid on a POWER5 architecture.

Class

Function

Argument Type and Attributes

X
must be of type REAL(8).

Result Type and Attributes

Same as X.

Result Value

The result is a double precision estimate of 1/X. IBM Copyright 2003