com.singularsys.jep.functions

## Class ArcCosineH

- java.lang.Object
- - com.singularsys.jep.functions.PostfixMathCommand
  - - com.singularsys.jep.functions.UnaryFunction
    - - com.singularsys.jep.functions.ArcCosineH

- All Implemented Interfaces:
    PostfixMathCommandI, RealUnaryFunction, java.io.Serializable

      public class ArcCosineH
      extends UnaryFunction
      implements RealUnaryFunction

  Implements the arcCosH function.
  Author:
    Nathan Funk Since 2.3.0 beta 2 - Now returns Double result rather than Complex for x >= 1 Since 3.5 allow for strict behavior return NaN rather than complex for x<1
  See Also:
    Serialized Form

- - ### Field Summary

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

      `curNumberOfParameters, name, NaN, numberOfParameters`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ArcCosineH()` Standard constructor, Complex results for |x| < 1.
    `ArcCosineH(boolean strict)` If strict is true then returns NaN for |x| < 1.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `java.lang.Object` | `acosh(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, getName, getNumberOfParameters, setCurNumberOfParameters, setName, toString, toString`

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### ArcCosineH

          public ArcCosineH()

      Standard constructor, Complex results for |x| < 1.

    - #### ArcCosineH

          public ArcCosineH(boolean strict)

      If strict is true then returns NaN for |x| < 1.
      Parameters:
        `strict` - if only real results

  - ### Method Detail

    - #### eval

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

      Specified by:
        `eval` in class `UnaryFunction`
      Throws:
        `EvaluationException`

    - #### acosh

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

      Throws:
        `EvaluationException`

    - #### evaluate

          public double evaluate(double val)

      Specified by:
        `evaluate` in interface `RealUnaryFunction`

Copyright © 2018 Singular Systems http://www.singularsys.com/jep