Platform

x64, Win32, .NET

Purpose

To get the smallest positive value for the given kind type of a real variable.

Class

Inquiry function.

Syntax

REAL FUNCTION EPSILON(X)
REAL X;

Description

If p is the number of significant digits (i.e. p= DIGITS(X)) and b is the base that is used in the model (e.g. base 2 or base 10) then
EPSILON(X) = .

Return value

X may be a scalar or an array but the result is a scalar.