MachineAccuracy

java.lang.Object
- pal.math.MachineAccuracy

```
public class MachineAccuracy
extends java.lang.Object
```
determines machine accuracy

Version:

$Id: MachineAccuracy.java,v 1.4 2001/09/09 22:17:11 alexi Exp $

Author:

Korbinian Strimmer, Alexei Drummond

Field Summary

Fields
Modifier and Type Field Description

static double EPSILON
machine accuracy constant

static double SQRT_EPSILON

static double SQRT_SQRT_EPSILON

Constructor Summary

Constructors
Constructor Description

MachineAccuracy()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static double`	`computeEpsilon()`	compute EPSILON from scratch
`static boolean`	`same(double a, double b)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - EPSILON
```
public static double EPSILON
```
    machine accuracy constant
  - SQRT_EPSILON
```
public static double SQRT_EPSILON
```
  - SQRT_SQRT_EPSILON
```
public static double SQRT_SQRT_EPSILON
```
- Constructor Detail
  - MachineAccuracy
```
public MachineAccuracy()
```
- Method Detail
  - computeEpsilon
```
public static double computeEpsilon()
```
    compute EPSILON from scratch
  - same
```
public static boolean same(double a,
                           double b)
```
    Returns:
    
    true if the relative difference between the two parameters is smaller than SQRT_EPSILON.