Class ArcCosH

java.lang.Object
de.tilman_neumann.jml.hyperbolic.ArcCosH

public class ArcCosH
extends java.lang.Object
Inverse hyperbolic cosinus function.
  • Constructor Summary

    Constructors
    Constructor Description
    ArcCosH()  
  • Method Summary

    Modifier and Type Method Description
    static java.math.BigDecimal acosh1​(java.math.BigDecimal x, Scale scale)
    Computes the "++" branch of acosh(x) = + ln(x + sqrt(x^2-1)).
    static java.math.BigDecimal acoshAbs​(java.math.BigDecimal x, Scale scale)
    The absolute value of acosh(x) implemented by ln() formula.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Constructor Details

    • ArcCosH

      public ArcCosH()
  • Method Details

    • acoshAbs

      public static java.math.BigDecimal acoshAbs​(java.math.BigDecimal x, Scale scale)
      The absolute value of acosh(x) implemented by ln() formula.
      Parameters:
      x - real argument >= 1
      scale - wanted accuracy in after-comma digits
      Returns:
      positive value acosh(x), the negation is the second solution
    • acosh1

      public static java.math.BigDecimal acosh1​(java.math.BigDecimal x, Scale scale)
      Computes the "++" branch of acosh(x) = + ln(x + sqrt(x^2-1)).
      Parameters:
      x - real argument >= 1
      scale -
      Returns:
      "++" branch of acosh(x)