Example usage for java.util.function IntUnaryOperator applyAsInt

Introduction

In this page you can find the example usage for java.util.function IntUnaryOperator applyAsInt.

Prototype

int applyAsInt(int operand);

Source Link

Document

Applies this operator to the given operand.

Usage

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

/**
 * Creates a {@link BiObjIntToIntFunction} which uses the {@code third} parameter of this one as argument for the
 * given {@link IntUnaryOperator}.//from  ww w . j a  v a 2s .c o m
 *
 * @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 BiObjIntToIntFunction} which uses the {@code third} parameter of this one as argument
 * for the given {@code IntUnaryOperator}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiObjIntToIntFunction<T, U> onlyThird(@Nonnull final IntUnaryOperator operator) {
    Objects.requireNonNull(operator);
    return (t, u, value) -> operator.applyAsInt(value);
}

From source file:com.simiacryptus.mindseye.applications.ArtistryUtil.java

/**
 * Expand plasma tensor./*w w w .  jav  a 2s .  c o  m*/
 *
 * @param seed  the seed
 * @param noise the noise
 * @return the tensor
 */
public static Tensor expandPlasma(final Tensor seed, double noise) {
    int bands = seed.getDimensions()[2];
    int width = seed.getDimensions()[0] * 2;
    int height = seed.getDimensions()[1] * 2;
    Tensor returnValue = new Tensor(width, height, bands);
    DoubleUnaryOperator fn1 = x -> Math.max(Math.min(x + noise * (Math.random() - 0.5), 255), 0);
    DoubleUnaryOperator fn2 = x -> Math.max(Math.min(x + Math.sqrt(2) * noise * (Math.random() - 0.5), 255), 0);
    IntUnaryOperator addrX = x -> {
        while (x >= width)
            x -= width;
        while (x < 0)
            x += width;
        return x;
    };
    IntUnaryOperator addrY = x -> {
        while (x >= height)
            x -= height;
        while (x < 0)
            x += height;
        return x;
    };
    for (int band = 0; band < bands; band++) {
        for (int x = 0; x < width; x += 2) {
            for (int y = 0; y < height; y += 2) {
                double value = seed.get(x / 2, y / 2, band);
                returnValue.set(x, y, band, value);
            }
        }
        for (int x = 1; x < width; x += 2) {
            for (int y = 1; y < height; y += 2) {
                double value = (returnValue.get(addrX.applyAsInt(x - 1), addrY.applyAsInt(y - 1), band))
                        + (returnValue.get(addrX.applyAsInt(x - 1), addrY.applyAsInt(y + 1), band))
                        + (returnValue.get(addrX.applyAsInt(x + 1), addrY.applyAsInt(y - 1), band))
                        + (returnValue.get(addrX.applyAsInt(x + 1), addrY.applyAsInt(y + 1), band));
                value = fn2.applyAsDouble(value / 4);
                returnValue.set(x, y, band, value);
            }
        }
        for (int x = 0; x < width; x += 2) {
            for (int y = 1; y < height; y += 2) {
                double value = (returnValue.get(addrX.applyAsInt(x - 1), addrY.applyAsInt(y), band))
                        + (returnValue.get(addrX.applyAsInt(x + 1), addrY.applyAsInt(y), band))
                        + (returnValue.get(addrX.applyAsInt(x), addrY.applyAsInt(y - 1), band))
                        + (returnValue.get(addrX.applyAsInt(x), addrY.applyAsInt(y + 1), band));
                value = fn1.applyAsDouble(value / 4);
                returnValue.set(x, y, band, value);
            }
        }
        for (int x = 1; x < width; x += 2) {
            for (int y = 0; y < height; y += 2) {
                double value = (returnValue.get(addrX.applyAsInt(x - 1), addrY.applyAsInt(y), band))
                        + (returnValue.get(addrX.applyAsInt(x + 1), addrY.applyAsInt(y), band))
                        + (returnValue.get(addrX.applyAsInt(x), addrY.applyAsInt(y - 1), band))
                        + (returnValue.get(addrX.applyAsInt(x), addrY.applyAsInt(y + 1), band));
                value = fn1.applyAsDouble(value / 4);
                returnValue.set(x, y, band, value);
            }
        }
    }
    return returnValue;
}

From source file:at.gridtec.lambda4j.function.bi.to.ToIntBiFunction2.java

/**
 * Returns a composed {@link ToIntBiFunction2} 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 int}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code ToIntBiFunction2} 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
 * int}.//from  w w  w. j  a v  a  2  s . c o m
 */
@Nonnull
default ToIntBiFunction2<T, U> andThenToInt(@Nonnull final IntUnaryOperator after) {
    Objects.requireNonNull(after);
    return (t, u) -> after.applyAsInt(applyAsInt(t, u));
}

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

/**
 * Returns a composed {@link ToIntTriFunction} 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 int}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code ToIntTriFunction} 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
 * int}.//from  www . ja  v a2s.c om
 */
@Nonnull
default ToIntTriFunction<T, U, V> andThenToInt(@Nonnull final IntUnaryOperator after) {
    Objects.requireNonNull(after);
    return (t, u, v) -> after.applyAsInt(applyAsInt(t, u, v));
}

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

/**
 * Returns a composed {@link BiIntFunction} 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 int} 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 BiIntFunction} that first applies the {@code before} operators to its input, and then
 * applies this function to the result.//  w  w  w .  j a  va 2 s .com
 * @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
 * int}.
 */
@Nonnull
default BiIntFunction<R> composeFromInt(@Nonnull final IntUnaryOperator before1,
        @Nonnull final IntUnaryOperator before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> apply(before1.applyAsInt(value1), before2.applyAsInt(value2));
}

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

/**
 * Returns a composed {@link BiIntFunction} 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 int} 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 BiIntFunction} that first applies the {@code before} functions to its input, and then
 * applies this function to the result.//ww w . j  a  v a 2 s  .  c om
 * @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
 * int}.
 */
@Nonnull
default BiIntFunction<R> composeFromInt(@Nonnull final IntFunction<? extends T> before1,
        @Nonnull final IntUnaryOperator before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> apply(before1.apply(value1), before2.applyAsInt(value2));
}

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

/**
 * Returns a composed {@link BiBooleanToIntFunction} 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 int}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code BiBooleanToIntFunction} 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
 * int}.// www .  ja  v a  2  s .c  o m
 */
@Nonnull
default BiBooleanToIntFunction andThenToInt(@Nonnull final IntUnaryOperator after) {
    Objects.requireNonNull(after);
    return (value1, value2) -> after.applyAsInt(applyAsInt(value1, value2));
}

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

/**
 * Returns a composed {@link BiByteToIntFunction} 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 int}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code BiByteToIntFunction} 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
 * int}.//www  .j  a va  2s.c  o  m
 */
@Nonnull
default BiByteToIntFunction andThenToInt(@Nonnull final IntUnaryOperator after) {
    Objects.requireNonNull(after);
    return (value1, value2) -> after.applyAsInt(applyAsInt(value1, value2));
}

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

/**
 * Returns a composed {@link BiCharToIntFunction} 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 int}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code BiCharToIntFunction} 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
 * int}.// www.  j  ava 2 s.co m
 */
@Nonnull
default BiCharToIntFunction andThenToInt(@Nonnull final IntUnaryOperator after) {
    Objects.requireNonNull(after);
    return (value1, value2) -> after.applyAsInt(applyAsInt(value1, value2));
}

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

/**
 * Returns a composed {@link BiFloatToIntFunction} 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 int}.
 *
 * @param after The operator to apply after this function is applied
 * @return A composed {@code BiFloatToIntFunction} 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
 * int}.//  w w w.  j a  v  a  2s .c o m
 */
@Nonnull
default BiFloatToIntFunction andThenToInt(@Nonnull final IntUnaryOperator after) {
    Objects.requireNonNull(after);
    return (value1, value2) -> after.applyAsInt(applyAsInt(value1, value2));
}