Package org.apache.commons.imaging.common

Class RationalNumber

java.lang.Object
java.lang.Number
org.apache.commons.imaging.common.RationalNumber
All Implemented Interfaces:
Serializable
public class RationalNumber extends Number
Rational number, as used by the TIFF image format.
See Also:

  • Field Details

    • serialVersionUID

      private static final long serialVersionUID
      See Also:

    • TOLERANCE

      private static final double TOLERANCE
      See Also:

    • numerator

      public final int numerator

    • divisor

      public final int divisor

  • Constructor Details

    • RationalNumber

      public RationalNumber(int numerator, int divisor)

  • Method Details

    • factoryMethod

      static RationalNumber factoryMethod(long n, long d)

    • gcd

      private static long gcd(long a, long b)
      Return the greatest common divisor

    • negate

      public RationalNumber negate()

    • doubleValue

      public double doubleValue()
      Specified by:
      doubleValue in class Number

    • floatValue

      public float floatValue()
      Specified by:
      floatValue in class Number

    • intValue

      public int intValue()
      Specified by:
      intValue in class Number

    • longValue

      public long longValue()
      Specified by:
      longValue in class Number

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • toDisplayString

      public String toDisplayString()

    • valueOf

      public static RationalNumber valueOf(double value)
      Calculate rational number using successive approximations.
      Parameters:
      value - rational number double value
      Returns:
      the RationalNumber representation of the double value