Package jline.api.sym

Class SymEngine.Measure

java.lang.Object

jline.api.sym.SymEngine.Measure

Enclosing interface:

SymEngine

public static class SymEngine.Measure
extends Object

One weighted sum of the stationary distribution, or a ratio of two.

Field Summary

Fields

Modifier and Type	Field	Description
final String	den	Denominator of expr, null when undefined
final String	expr	The value as a rational function, or "undefined"
final String	name	Caller supplied name
final String	num	Numerator of expr, null when undefined
final String	reason	Why the value is undefined, null otherwise.

Constructor Summary

Constructors

Constructor	Description
Measure(String name, String expr, String num, String den, String reason)

Method Summary

Modifier and Type	Method	Description
boolean	isDefined()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

name

public final String name

Caller supplied name

expr

public final String expr

The value as a rational function, or "undefined"

num

public final String num

Numerator of expr, null when undefined

den

public final String den

Denominator of expr, null when undefined

reason

public final String reason

Why the value is undefined, null otherwise.

A ratio whose denominator measure is identically zero over the whole rate space has no value. The numeric arms sweep such a 0/0 to zero with isnan, which is a defensible cleanup of floating point dust and an indefensible answer for an exact one.

Constructor Details

Measure

public Measure(String name,
 String expr,
 String num,
 String den,
 String reason)

Method Details

isDefined

public boolean isDefined()

Returns:

true if this measure has a value