Package fj.function

Class Doubles

  • public final class Doubles
extends java.lang.Object
    Curried functions over Doubles.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static F<java.lang.Double,​java.lang.Double> abs
      Absolute value.
      static F<java.lang.Double,​F<java.lang.Double,​java.lang.Double>> add
      Curried Double addition.
      static F<java.lang.Double,​java.lang.Boolean> even
      Evenness.
      static F<java.lang.Double,​java.lang.Boolean> gteZero
      A function that returns true if the given double is greater than or equal to zero.
      static F<java.lang.Double,​java.lang.Boolean> gtZero
      A function that returns true if the given double is greater than zero.
      static F<java.lang.Double,​java.lang.Boolean> lteZero
      A function that returns true if the given double is less than or equal to zero.
      static F<java.lang.Double,​java.lang.Boolean> ltZero
      A function that returns true if the given double is less than zero.
      static F<java.lang.Double,​F<java.lang.Double,​java.lang.Double>> multiply
      Curried Double multiplication.
      static F<java.lang.Double,​java.lang.Double> negate
      Negation.
      static F<java.lang.Double,​F<java.lang.Double,​java.lang.Double>> power
      Power.
      static F<java.lang.Double,​F<java.lang.Double,​java.lang.Double>> remainder
      Remainder.
      static F<java.lang.Double,​F<java.lang.Double,​java.lang.Double>> subtract
      Curried Double subtraction.

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private Doubles()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static F<java.lang.String,​Option<java.lang.Double>> fromString()
      A function that converts strings to doubles.
      static double product​(List<java.lang.Double> doubles)
      Returns the product of a list of doubles.
      static double sum​(List<java.lang.Double> doubles)
      Sums a list of doubles.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • add

        public static final F<java.lang.Double,​F<java.lang.Double,​java.lang.Double>> add
        Curried Double addition.

      • multiply

        public static final F<java.lang.Double,​F<java.lang.Double,​java.lang.Double>> multiply
        Curried Double multiplication.

      • subtract

        public static final F<java.lang.Double,​F<java.lang.Double,​java.lang.Double>> subtract
        Curried Double subtraction.

      • negate

        public static final F<java.lang.Double,​java.lang.Double> negate
        Negation.

      • abs

        public static final F<java.lang.Double,​java.lang.Double> abs
        Absolute value.

      • remainder

        public static final F<java.lang.Double,​F<java.lang.Double,​java.lang.Double>> remainder
        Remainder.

      • power

        public static final F<java.lang.Double,​F<java.lang.Double,​java.lang.Double>> power
        Power.

      • even

        public static final F<java.lang.Double,​java.lang.Boolean> even
        Evenness.

      • gtZero

        public static final F<java.lang.Double,​java.lang.Boolean> gtZero
        A function that returns true if the given double is greater than zero.

      • gteZero

        public static final F<java.lang.Double,​java.lang.Boolean> gteZero
        A function that returns true if the given double is greater than or equal to zero.

      • ltZero

        public static final F<java.lang.Double,​java.lang.Boolean> ltZero
        A function that returns true if the given double is less than zero.

      • lteZero

        public static final F<java.lang.Double,​java.lang.Boolean> lteZero
        A function that returns true if the given double is less than or equal to zero.

    • Constructor Detail

      • Doubles

        private Doubles()

    • Method Detail

      • sum

        public static double sum​(List<java.lang.Double> doubles)
        Sums a list of doubles.
        Parameters:
        doubles - A list of doubles to sum.
        Returns:
        The sum of the doubless in the list.

      • product

        public static double product​(List<java.lang.Double> doubles)
        Returns the product of a list of doubles.
        Parameters:
        doubles - A list of doubles to multiply together.
        Returns:
        The product of the doubles in the list.

      • fromString

        public static F<java.lang.String,​Option<java.lang.Double>> fromString()
        A function that converts strings to doubles.
        Returns:
        A function that converts strings to doubles.