com.singularsys.jep.functions
Class ArcCosine

java.lang.Object
  com.singularsys.jep.functions.PostfixMathCommand
      com.singularsys.jep.functions.UnaryFunction
          com.singularsys.jep.functions.ArcCosine

All Implemented Interfaces:

PostfixMathCommandI, RealUnaryFunction, java.io.Serializable

public class ArcCosine
extends UnaryFunction
implements RealUnaryFunction

The acos function.

Author:

Nathan Funk

See Also:

Serialized Form

Field Summary

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

curNumberOfParameters, name, NaN, numberOfParameters

Constructor Summary

ArcCosine()
Standard constructor.

ArcCosine(boolean strict)
Controls the behaviour for out of range real arguments

Method Summary

java.lang.Object	acos(java.lang.Object param)
java.lang.Object	eval(java.lang.Object arg)
double	evaluate(double val)

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

run

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

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, checkNumberOfParameters, checkStack, getName, getNumberOfParameters, setCurNumberOfParameters, setName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ArcCosine

public ArcCosine()

Standard constructor. For real x with |x|>1 return NaN.

ArcCosine

public ArcCosine(boolean strict)

Controls the behaviour for out of range real arguments

Parameters:

strict - if false returns corresponding complex result if true return NaN

Method Detail

eval

public java.lang.Object eval(java.lang.Object arg)
                      throws EvaluationException

Specified by:

eval in class UnaryFunction

Throws:

EvaluationException

acos

public java.lang.Object acos(java.lang.Object param)
                      throws EvaluationException

Throws:

EvaluationException

evaluate

public double evaluate(double val)

Specified by:

evaluate in interface RealUnaryFunction