Class Iterate
- java.lang.Object
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- com.singularsys.jep.functions.PostfixMathCommand
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- com.singularsys.jep.functions.NaryFunction
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- com.singularsys.extensions.lambda.Iterate
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- All Implemented Interfaces:
JepComponent
,PostfixMathCommandI
,java.io.Serializable
public class Iterate extends NaryFunction implements JepComponent
Generate a sequence using iterationiterate(first_value, itteration_lambda_function, limit_lamda_function)
For example the following generate the even number from 4 to 20.iterate(4, n=>n+2, n=>n<20)
- See Also:
- Serialized Form
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Field Summary
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Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand
curNumberOfParameters, name, NaN, numberOfParameters
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Constructor Summary
Constructors Constructor Description Iterate()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.Object
eval(java.lang.Object[] args)
Evaluate the functionJepComponent
getLightWeightInstance()
Gets a light-weight instance suitable for using in multiple threads.void
init(Jep jep)
Initialize the component.-
Methods inherited from class com.singularsys.jep.functions.NaryFunction
run
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Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand
asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, checkNumberOfParameters, getName, getNumberOfParameters, setCurNumberOfParameters, setName, toString, toString
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Method Detail
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init
public void init(Jep jep)
Description copied from interface:JepComponent
Initialize the component. This methods is called whenever a component is added to Jep. Hence it allows components to keep track of the other components they may rely on.- Specified by:
init
in interfaceJepComponent
- Parameters:
jep
- the current Jep instance
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getLightWeightInstance
public JepComponent getLightWeightInstance()
Description copied from interface:JepComponent
Gets a light-weight instance suitable for using in multiple threads.- Specified by:
getLightWeightInstance
in interfaceJepComponent
- Returns:
- either an new instance, null or 'this'.
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eval
public java.lang.Object eval(java.lang.Object[] args) throws EvaluationException
Description copied from class:NaryFunction
Evaluate the function- Specified by:
eval
in classNaryFunction
- Parameters:
args
- arguments to the function- Returns:
- value returned by the function
- Throws:
EvaluationException
- if the calculation cannot be performed
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