Package org.jfree.data.function
Class LineFunction2D
- java.lang.Object
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- org.jfree.data.function.LineFunction2D
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- All Implemented Interfaces:
java.io.Serializable
,Function2D
public class LineFunction2D extends java.lang.Object implements Function2D, java.io.Serializable
A function in the form y = a + bx.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description LineFunction2D(double a, double b)
Constructs a new line function.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
equals(java.lang.Object obj)
Tests this function for equality with an arbitrary object.double
getIntercept()
Returns the 'a' coefficient that was specified in the constructor.double
getSlope()
Returns the 'b' coefficient that was specified in the constructor.double
getValue(double x)
Returns the function value.int
hashCode()
Returns a hash code for this instance.
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Method Detail
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getIntercept
public double getIntercept()
Returns the 'a' coefficient that was specified in the constructor.- Returns:
- The 'a' coefficient.
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getSlope
public double getSlope()
Returns the 'b' coefficient that was specified in the constructor.- Returns:
- The 'b' coefficient.
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getValue
public double getValue(double x)
Returns the function value.- Specified by:
getValue
in interfaceFunction2D
- Parameters:
x
- the x-value.- Returns:
- The value.
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equals
public boolean equals(java.lang.Object obj)
Tests this function for equality with an arbitrary object.- Overrides:
equals
in classjava.lang.Object
- Parameters:
obj
- the object (null
permitted).- Returns:
- A boolean.
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hashCode
public int hashCode()
Returns a hash code for this instance.- Overrides:
hashCode
in classjava.lang.Object
- Returns:
- A hash code.
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