jhplot

Class HParam

java.lang.Object

jhplot.HParam

public class HParamextends Object

Global setting for all DMelt jhplot class methods for mathematical calculations. By default, DMelt uses Java Math library that provides fast elementary functions with e-14 accuracy. If you set false to fast calculations, the standard Java Math is used. They are usually about 2-3 times slower, but have higher accuracy. By default, fast calculations are enabled.

If you need full Java accuracy, set setMath(False).

Constructor Summary

Constructors

Constructor and Description
HParam()

Method Summary

Modifier and Type	Method and Description
static boolean	isMath() Check is fast math calculation enabled.
static void	setExactMath() Set exact math calculation using Java Math.
static void	setMath() Set fast math calculation (4-5 times faster than Java Math).
static void	setMath(boolean fast) Set fast math calculation (3-5 times faster than Java Math).

Methods inherited from class java.lang.Object

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

Constructor Detail

HParam

public HParam()

Method Detail

setMath

public static void setMath(boolean fast)

Set fast math calculation (3-5 times faster than Java Math). The typical precision is E-14 for fast calculations. The default does not use fast calculations.

Parameters:

fast - if false, all elementary functions are calculated with the standard Java Math precision. If true, fast calculation with the jafama FastJava E-11 precision.

isMath

public static boolean isMath()

Check is fast math calculation enabled.

Returns:

is fast calculation enabled?

setMath

public static void setMath()

Set fast math calculation (4-5 times faster than Java Math). The typical precision is E-14 for fast calculations.

setExactMath

public static void setExactMath()

Set exact math calculation using Java Math.