marytts.unitselection.weightingfunctions

Class WeightingFunction.step

java.lang.Object

marytts.unitselection.weightingfunctions.WeightingFunction.step

All Implemented Interfaces:

WeightFunc

Enclosing class:

WeightingFunction

public static class WeightingFunction.step
extends Object
implements WeightFunc

Step weighting function: saturates above a given percentage of the input values.

Author:

sacha

Constructor Summary

Constructors

Constructor and Description
WeightingFunction.step()

Method Summary

Methods

Modifier and Type	Method and Description
double	cost(double a, double b) Cost computation: the absolute value of a subtraction, with application of a saturation if the difference value reaches a certain percentage of the mean value of the arguments.
void	setParam(String val) Optional argument setting.
String	whoAmI() String definition of the function.

Methods inherited from class java.lang.Object

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

Constructor Detail

WeightingFunction.step

public WeightingFunction.step()

Method Detail

cost

public double cost(double a,
          double b)

Cost computation: the absolute value of a subtraction, with application of a saturation if the difference value reaches a certain percentage of the mean value of the arguments.

Specified by:

cost in interface WeightFunc

Parameters:

a - a

b - b

Returns:

res if dev < stepVal, 0.0 otherwise

setParam

public void setParam(String val)

Optional argument setting. Syntax for the step function's parameter: the first number before the % sign is interpreted as a percentage for the step value.

Specified by:

setParam in interface WeightFunc

Parameters:

val - val

whoAmI

public String whoAmI()

String definition of the function.

Specified by:

whoAmI in interface WeightFunc

Returns:

("step " + Double.toString(100.0 * stepVal) + "%")