Abs (Wizards' Picasso API (including private classes))

java.lang.Object
- picasso.parser.language.ExpressionTreeNode
- - picasso.parser.language.expressions.UnaryFunction
  - - picasso.parser.language.expressions.Abs

All Implemented Interfaces:

EvaluatableExpression
```
public class Abs
extends UnaryFunction
```
Represents the absolute value function in the Picasso language.

Field Summary
- Fields inherited from class picasso.parser.language.ExpressionTreeNode
  gelementsToValue

Constructor Summary

Constructors
Constructor Description

Abs(ExpressionTreeNode param)
Create an absolute value expression with the given parameter.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`RGBColor`	`evaluate(double x, double y)`	Evaluates this expression at the given x,y point by taking the absolute value of the function's parameter.

Methods inherited from class picasso.parser.language.expressions.UnaryFunction
equals, toString

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

- Constructor Detail
  - Abs
```
public Abs(ExpressionTreeNode param)
```
    Create an absolute value expression with the given parameter.
    
    Parameters:
    
    param - the expression whose absolute value will be taken
- Method Detail
  - evaluate
```
public RGBColor evaluate(double x,
                         double y)
```
    Evaluates this expression at the given x,y point by taking the absolute value of the function's parameter.
    
    Specified by:
    
    evaluate in interface EvaluatableExpression
    
    Specified by:
    
    evaluate in class ExpressionTreeNode
    
    Parameters:
    
    x - the x-coordinate at which to evaluate
    
    y - the y-coordinate at which to evaluate
    
    Returns:
    
    the color resulting from evaluating the absolute value of the parameter