Example usage for java.util.function DoubleUnaryOperator applyAsDouble

List of usage examples for java.util.function DoubleUnaryOperator applyAsDouble

  1. HOME
  2. Java
  3. java
  4. java.util.function.*
  5. DoubleUnaryOperator
  6. applyAsDouble

Introduction

In this page you can find the example usage for java.util.function DoubleUnaryOperator applyAsDouble.

Prototype

double applyAsDouble(double operand);

Source Link

Document

Applies this operator to the given operand.

Usage

From source file:at.gridtec.lambda4j.function.tri.obj.ObjBiDoubleToDoubleFunction.java

/**
 * Creates a {@link ObjBiDoubleToDoubleFunction} which uses the {@code third} parameter of this one as argument for
 * the given {@link DoubleUnaryOperator}.
 *
 * @param <T> The type of the first argument to the function
 * @param operator The operator which accepts the {@code third} parameter of this one
 * @return Creates a {@code ObjBiDoubleToDoubleFunction} which uses the {@code third} parameter of this one as
 * argument for the given {@code DoubleUnaryOperator}.
 * @throws NullPointerException If given argument is {@code null}
 *///from  www .  jav a 2 s.com
@Nonnull
static <T> ObjBiDoubleToDoubleFunction<T> onlyThird(@Nonnull final DoubleUnaryOperator operator) {
    Objects.requireNonNull(operator);
    return (t, value1, value2) -> operator.applyAsDouble(value2);
}

From source file:at.gridtec.lambda4j.function.tri.obj.BiObjDoubleToDoubleFunction.java

/**
 * Creates a {@link BiObjDoubleToDoubleFunction} which uses the {@code third} parameter of this one as argument for
 * the given {@link DoubleUnaryOperator}.
 *
 * @param <T> The type of the first argument to the function
 * @param <U> The type of the second argument to the function
 * @param operator The operator which accepts the {@code third} parameter of this one
 * @return Creates a {@code BiObjDoubleToDoubleFunction} which uses the {@code third} parameter of this one as
 * argument for the given {@code DoubleUnaryOperator}.
 * @throws NullPointerException If given argument is {@code null}
 *///from  w ww  . j a  v  a 2 s  .co  m
@Nonnull
static <T, U> BiObjDoubleToDoubleFunction<T, U> onlyThird(@Nonnull final DoubleUnaryOperator operator) {
    Objects.requireNonNull(operator);
    return (t, u, value) -> operator.applyAsDouble(value);
}

From source file:at.gridtec.lambda4j.function.bi.to.ToDoubleBiFunction2.java

/**
 * Returns a composed {@link ToDoubleBiFunction2} that first applies this function to its input, and then applies
 * the {@code after} operator to the result. If evaluation of either operation throws an exception, it is relayed to
 * the caller of the composed operation. This method is just convenience, to provide the ability to transform this
 * primitive function to an operation returning {@code double}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code ToDoubleBiFunction2} that first applies this function to its input, and then applies
 * the {@code after} operator to the result.
 * @throws NullPointerException If given argument is {@code null}
 * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code
 * double}.//from w  w  w. j a va  2 s . c  o  m
 */
@Nonnull
default ToDoubleBiFunction2<T, U> andThenToDouble(@Nonnull final DoubleUnaryOperator after) {
    Objects.requireNonNull(after);
    return (t, u) -> after.applyAsDouble(applyAsDouble(t, u));
}

From source file:at.gridtec.lambda4j.function.tri.to.ToDoubleTriFunction.java

/**
 * Returns a composed {@link ToDoubleTriFunction} that first applies this function to its input, and then applies
 * the {@code after} operator to the result. If evaluation of either operation throws an exception, it is relayed to
 * the caller of the composed operation. This method is just convenience, to provide the ability to transform this
 * primitive function to an operation returning {@code double}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code ToDoubleTriFunction} that first applies this function to its input, and then applies
 * the {@code after} operator to the result.
 * @throws NullPointerException If given argument is {@code null}
 * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code
 * double}.//  w ww . j ava2s.  c  o m
 */
@Nonnull
default ToDoubleTriFunction<T, U, V> andThenToDouble(@Nonnull final DoubleUnaryOperator after) {
    Objects.requireNonNull(after);
    return (t, u, v) -> after.applyAsDouble(applyAsDouble(t, u, v));
}

From source file:at.gridtec.lambda4j.function.bi.BiDoubleFunction.java

/**
 * Returns a composed {@link BiDoubleFunction} that first applies the {@code before} operators to its input, and
 * then applies this function to the result. If evaluation of either operation throws an exception, it is relayed to
 * the caller of the composed operation. This method is just convenience, to provide the ability to execute an
 * operation which accepts {@code double} input, before this primitive function is executed.
 *
 * @param before1 The first operator to apply before this function is applied
 * @param before2 The second operator to apply before this function is applied
 * @return A composed {@code BiDoubleFunction} that first applies the {@code before} operators to its input, and
 * then applies this function to the result.
 * @throws NullPointerException If given argument is {@code null}
 * @implSpec The input argument of this method is a able to handle primitive values. In this case this is {@code
 * double}./*w ww  .  j  av  a2  s.  c o m*/
 */
@Nonnull
default BiDoubleFunction<R> composeFromDouble(@Nonnull final DoubleUnaryOperator before1,
        @Nonnull final DoubleUnaryOperator before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> apply(before1.applyAsDouble(value1), before2.applyAsDouble(value2));
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjDoubleFunction.java

/**
 * Returns a composed {@link BiDoubleFunction} that first applies the {@code before} functions to its input, and
 * then applies this function to the result. If evaluation of either operation throws an exception, it is relayed to
 * the caller of the composed operation. This method is just convenience, to provide the ability to execute an
 * operation which accepts {@code double} input, before this primitive function is executed.
 *
 * @param before1 The first function to apply before this function is applied
 * @param before2 The second operator to apply before this function is applied
 * @return A composed {@code BiDoubleFunction} that first applies the {@code before} functions to its input, and
 * then applies this function to the result.
 * @throws NullPointerException If given argument is {@code null}
 * @implSpec The input argument of this method is a able to handle primitive values. In this case this is {@code
 * double}./*from w  w w .  ja  v a2 s .  co  m*/
 */
@Nonnull
default BiDoubleFunction<R> composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoubleUnaryOperator before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> apply(before1.apply(value1), before2.applyAsDouble(value2));
}

From source file:at.gridtec.lambda4j.function.bi.conversion.BiBooleanToDoubleFunction.java

/**
 * Returns a composed {@link BiBooleanToDoubleFunction} that first applies this function to its input, and then
 * applies the {@code after} operator to the result. If evaluation of either operation throws an exception, it is
 * relayed to the caller of the composed operation. This method is just convenience, to provide the ability to
 * transform this primitive function to an operation returning {@code double}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code BiBooleanToDoubleFunction} that first applies this function to its input, and then
 * applies the {@code after} operator to the result.
 * @throws NullPointerException If given argument is {@code null}
 * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code
 * double}.//  ww w. j a va 2s . c o  m
 */
@Nonnull
default BiBooleanToDoubleFunction andThenToDouble(@Nonnull final DoubleUnaryOperator after) {
    Objects.requireNonNull(after);
    return (value1, value2) -> after.applyAsDouble(applyAsDouble(value1, value2));
}

From source file:at.gridtec.lambda4j.function.bi.conversion.BiByteToDoubleFunction.java

/**
 * Returns a composed {@link BiByteToDoubleFunction} that first applies this function to its input, and then applies
 * the {@code after} operator to the result. If evaluation of either operation throws an exception, it is relayed to
 * the caller of the composed operation. This method is just convenience, to provide the ability to transform this
 * primitive function to an operation returning {@code double}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code BiByteToDoubleFunction} that first applies this function to its input, and then applies
 * the {@code after} operator to the result.
 * @throws NullPointerException If given argument is {@code null}
 * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code
 * double}./*  www . j a  v  a2 s  .  co m*/
 */
@Nonnull
default BiByteToDoubleFunction andThenToDouble(@Nonnull final DoubleUnaryOperator after) {
    Objects.requireNonNull(after);
    return (value1, value2) -> after.applyAsDouble(applyAsDouble(value1, value2));
}

From source file:at.gridtec.lambda4j.function.bi.conversion.BiCharToDoubleFunction.java

/**
 * Returns a composed {@link BiCharToDoubleFunction} that first applies this function to its input, and then applies
 * the {@code after} operator to the result. If evaluation of either operation throws an exception, it is relayed to
 * the caller of the composed operation. This method is just convenience, to provide the ability to transform this
 * primitive function to an operation returning {@code double}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code BiCharToDoubleFunction} that first applies this function to its input, and then applies
 * the {@code after} operator to the result.
 * @throws NullPointerException If given argument is {@code null}
 * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code
 * double}.//from   w w w. j a v a2s . com
 */
@Nonnull
default BiCharToDoubleFunction andThenToDouble(@Nonnull final DoubleUnaryOperator after) {
    Objects.requireNonNull(after);
    return (value1, value2) -> after.applyAsDouble(applyAsDouble(value1, value2));
}

From source file:at.gridtec.lambda4j.function.bi.conversion.BiFloatToDoubleFunction.java

/**
 * Returns a composed {@link BiFloatToDoubleFunction} that first applies this function to its input, and then
 * applies the {@code after} operator to the result. If evaluation of either operation throws an exception, it is
 * relayed to the caller of the composed operation. This method is just convenience, to provide the ability to
 * transform this primitive function to an operation returning {@code double}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code BiFloatToDoubleFunction} that first applies this function to its input, and then
 * applies the {@code after} operator to the result.
 * @throws NullPointerException If given argument is {@code null}
 * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code
 * double}./*from   ww w.j  av a2 s.c o  m*/
 */
@Nonnull
default BiFloatToDoubleFunction andThenToDouble(@Nonnull final DoubleUnaryOperator after) {
    Objects.requireNonNull(after);
    return (value1, value2) -> after.applyAsDouble(applyAsDouble(value1, value2));
}