fj.function

Class Doubles

java.lang.Object

fj.function.Doubles

public final class Doubles
extends java.lang.Object

Curried functions over Doubles.

Field Summary

Fields

Modifier and Type	Field and 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.

Method Summary

Modifier and Type	Method and 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.

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.