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## igeo
Class IPiecewiseFunction

    java.lang.Object
      igeo.IPiecewiseFunction

All Implemented Interfaces:
  IFunction

Direct Known Subclasses:
  IPiecewisePolynomialFunction

    public class IPiecewiseFunction

extends java.lang.Object
implements IFunction

Implementation of piecewise function out of multiple IFunction.

Author:
  Satoru Sugihara

Field Summary
`double[]` | `domains`
`IFunction[]` | `functions`

Constructor Summary
`IPiecewiseFunction()`
`IPiecewiseFunction(double[] dom)`
`IPiecewiseFunction(double[] dom, IFunction[] funcs)`
`IPiecewiseFunction(int numOfInterval)`
`IPiecewiseFunction(IPiecewiseFunction f)`

Method Summary
`IPiecewiseFunction` | `dup()`
`double` | `eval(double x)`
`int` | `getIndexOfDomain(double x)`
`static int` | `getIndexOfDomain(double x, double[] domains)`
`int` | `getNumberOfDomains()`
`void` | `init(double[] dom)`
`void` | `init(double[] dom, IFunction[] funcs)`
`void` | `init(int numOfInterval)`
`void` | `init(IPiecewiseFunction f)`
`double` | `lowerBoundOfDomain(int index)`
`void` | `setDomain(int idx, double dom)`
`void` | `setFunction(int idx, IFunction f)`
`double` | `upperBoundOfDomain(int index)`

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

Field Detail

### domains

    public double[] domains

### functions

    public IFunction[] functions

Constructor Detail

### IPiecewiseFunction

    public IPiecewiseFunction(double[] dom,
                              IFunction[] funcs)

### IPiecewiseFunction

    public IPiecewiseFunction(int numOfInterval)

### IPiecewiseFunction

    public IPiecewiseFunction(double[] dom)

### IPiecewiseFunction

    public IPiecewiseFunction(IPiecewiseFunction f)

### IPiecewiseFunction

    public IPiecewiseFunction()

Method Detail

### dup

    public IPiecewiseFunction dup()

  Specified by:
    `dup` in interface `IFunction`

### init

    public void init(int numOfInterval)

### init

    public void init(double[] dom,
                     IFunction[] funcs)

### init

    public void init(double[] dom)

### init

    public void init(IPiecewiseFunction f)

### setDomain

    public void setDomain(int idx,
                          double dom)

### setFunction

    public void setFunction(int idx,
                            IFunction f)

### getNumberOfDomains

    public int getNumberOfDomains()

### getIndexOfDomain

    public int getIndexOfDomain(double x)

### getIndexOfDomain

    public static int getIndexOfDomain(double x,
                                       double[] domains)

### upperBoundOfDomain

    public double upperBoundOfDomain(int index)

### lowerBoundOfDomain

    public double lowerBoundOfDomain(int index)

### eval

    public double eval(double x)

  Specified by:
    `eval` in interface `IFunction`

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