Package com.singularsys.jep.functions

Class Cross

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.jep.functions.BinaryFunction

com.singularsys.jep.functions.Cross

All Implemented Interfaces:

PostfixMathCommandI, Serializable

public class Cross
extends BinaryFunction

The cross product of two 3D vectors.

Since:

Jep 4.1 can work with List<?>.

Author:

Richard Morris

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.singularsys.jep.functions.BinaryFunction

BinaryFunction.BiFunctionWithException<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected final Multiply	mul
protected final Subtract	sub

Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand

curNumberOfParameters, description, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
Cross()	Constructor, uses the standard Subtract and Multiply.
Cross(Subtract sub, Multiply mul)	Constructor with specific implementations

Method Summary

Modifier and Type	Method	Description
Object	cross(Object param1, Object param2)
Object	cross(List<?> lhs, List<?> rhs)
Object	eval(Object l, Object r)	Evaluate the function

Methods inherited from class com.singularsys.jep.functions.BinaryFunction

instanceOf, instanceOf, instanceOf, instanceOf, run

Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, asType, checkNumberOfParameters, getDescription, getDescription, getDescriptionWithType, getName, getNumberOfParameters, setCurNumberOfParameters, setDescription, setName, toString, toString

Methods inherited from class java.lang.Object

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

Field Details

sub

protected final Subtract sub

mul

protected final Multiply mul

Constructor Details

Cross

public Cross()

Constructor, uses the standard Subtract and Multiply.

Cross

public Cross(Subtract sub,
 Multiply mul)

Constructor with specific implementations

Parameters:

sub - implementation for subtraction

mul - implementation for multiplication

Since:

Jep 4.1

Method Details

eval

public Object eval(Object l,
 Object r)
            throws EvaluationException

Description copied from class: BinaryFunction

Evaluate the function

Specified by:

eval in class BinaryFunction

Parameters:

l - lhs argument

r - rhs argument

Returns:

the results

Throws:

EvaluationException - if the function cannot be evaluated.

cross

public Object cross(Object param1,
 Object param2)
             throws EvaluationException

Throws:

EvaluationException

cross

public Object cross(List<?> lhs,
 List<?> rhs)
             throws EvaluationException

Throws:

EvaluationException