Example usage for java.util.function DoubleFunction apply

List of usage examples for java.util.function DoubleFunction apply

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Introduction

In this page you can find the example usage for java.util.function DoubleFunction apply.

Prototype

R apply(double value);

Source Link

Document

Applies this function to the given argument.

Usage

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

/**
 * Returns a composed {@link BiObjLongFunction} that first applies this function to its input, and then applies the
 * {@code after} function to the result.
 * If evaluation of either operation throws an exception, it is relayed to the caller of the composed operation.
 *
 * @param <S> The type of return value from the {@code after} function, and of the composed function
 * @param after The function to apply after this function is applied
 * @return A composed {@code BiObjLongFunction} that first applies this function to its input, and then applies the
 * {@code after} function to the result.
 * @throws NullPointerException If given argument is {@code null}
 * @implSpec The input argument of this method is able to return every type.
 *///from  ww w.j av  a  2s.  c om
@Nonnull
default <S> BiObjLongFunction<T, U, S> andThen(@Nonnull final DoubleFunction<? extends S> after) {
    Objects.requireNonNull(after);
    return (t, u, value) -> after.apply(applyAsDouble(t, u, value));
}

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

/**
 * Returns a composed {@link BiObjBooleanFunction} that first applies this function to its input, and then applies
 * the {@code after} function to the result. If evaluation of either operation throws an exception, it is relayed to
 * the caller of the composed operation.
 *
 * @param <S> The type of return value from the {@code after} function, and of the composed function
 * @param after The function to apply after this function is applied
 * @return A composed {@code BiObjBooleanFunction} that first applies this function to its input, and then applies
 * the {@code after} function to the result.
 * @throws NullPointerException If given argument is {@code null}
 * @implSpec The input argument of this method is able to return every type.
 *///  ww w  . ja  va  2  s .c  om
@Nonnull
default <S> BiObjBooleanFunction<T, U, S> andThen(@Nonnull final DoubleFunction<? extends S> after) {
    Objects.requireNonNull(after);
    return (t, u, value) -> after.apply(applyAsDouble(t, u, value));
}

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

/**
 * Returns a composed {@link BiDoubleToByteFunction} 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 predicate to apply before this function is applied
 * @return A composed {@code BiDoubleToByteFunction} 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 www  . java  2s  .  c om
 */
@Nonnull
default BiDoubleToByteFunction composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoublePredicate before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> applyAsByte(before1.apply(value1), before2.test(value2));
}

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

/**
 * Returns a composed {@link BiDoubleToCharFunction} 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 predicate to apply before this function is applied
 * @return A composed {@code BiDoubleToCharFunction} 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}.// ww  w . j  a va 2 s .c o  m
 */
@Nonnull
default BiDoubleToCharFunction composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoublePredicate before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> applyAsChar(before1.apply(value1), before2.test(value2));
}

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

/**
 * Returns a composed {@link BiDoubleToIntFunction} 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 predicate to apply before this function is applied
 * @return A composed {@code BiDoubleToIntFunction} 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}./*ww  w  .  ja v a2  s.co  m*/
 */
@Nonnull
default BiDoubleToIntFunction composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoublePredicate before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> applyAsInt(before1.apply(value1), before2.test(value2));
}

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

/**
 * Returns a composed {@link BiDoubleToFloatFunction} 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 predicate to apply before this function is applied
 * @return A composed {@code BiDoubleToFloatFunction} 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  .  c  o m*/
 */
@Nonnull
default BiDoubleToFloatFunction composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoublePredicate before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> applyAsFloat(before1.apply(value1), before2.test(value2));
}

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

/**
 * Returns a composed {@link BiDoubleToLongFunction} 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 predicate to apply before this function is applied
 * @return A composed {@code BiDoubleToLongFunction} 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   www.  j a  va 2s .  com
 */
@Nonnull
default BiDoubleToLongFunction composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoublePredicate before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> applyAsLong(before1.apply(value1), before2.test(value2));
}

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

/**
 * Returns a composed {@link BiDoubleToShortFunction} 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 predicate to apply before this function is applied
 * @return A composed {@code BiDoubleToShortFunction} 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}./*w  w w. j a  va 2  s  . c  om*/
 */
@Nonnull
default BiDoubleToShortFunction composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoublePredicate before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> applyAsShort(before1.apply(value1), before2.test(value2));
}

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

/**
 * Returns a composed {@link BiDoubleToByteFunction} 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 function to apply before this function is applied
 * @return A composed {@code BiDoubleToByteFunction} 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 ww  . j  a va2  s .  com*/
 */
@Nonnull
default BiDoubleToByteFunction composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoubleToByteFunction before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> applyAsByte(before1.apply(value1), before2.applyAsByte(value2));
}

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

/**
 * Returns a composed {@link BiDoubleToCharFunction} 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 function to apply before this function is applied
 * @return A composed {@code BiDoubleToCharFunction} 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}.//w w  w. j a v a2s  .c om
 */
@Nonnull
default BiDoubleToCharFunction composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoubleToCharFunction before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> applyAsChar(before1.apply(value1), before2.applyAsChar(value2));
}