Example usage for java.util Arrays parallelSetAll

Introduction

In this page you can find the example usage for java.util Arrays parallelSetAll.

Prototype

public static void parallelSetAll(double[] array, IntToDoubleFunction generator) 

Source Link

Document

Set all elements of the specified array, in parallel, using the provided generator function to compute each element.

Usage

From source file:com.simiacryptus.mindseye.lang.Tensor.java

/**
 * Instantiates a new Tensor.//from   w w w . ja  va2 s  .  c  om
 *
 * @param data the data
 * @param dims the dims
 */
public Tensor(@Nullable final float[] data, @Nonnull final int... dims) {
    if (Tensor.length(dims) >= Integer.MAX_VALUE)
        throw new IllegalArgumentException();
    dimensions = Arrays.copyOf(dims, dims.length);
    strides = Tensor.getSkips(dims);
    if (null != data) {
        this.data = RecycleBin.DOUBLES.obtain(data.length);// Arrays.copyOf(data, data.length);
        Arrays.parallelSetAll(this.data, i -> {
            final double v = data[i];
            return Double.isFinite(v) ? v : 0;
        });
        assert Arrays.stream(this.data).allMatch(v -> Double.isFinite(v));
    }
    assert isValid();
    //assert (null == data || Tensor.length(dims) == data.length);
}

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From source file:com.simiacryptus.mindseye.lang.Tensor.java

/**
 * Minus tensor./*from w  ww  . j av a 2s  .c  om*/
 *
 * @param right the right
 * @return the tensor
 */
@Nonnull
public Tensor minus(@Nonnull final Tensor right) {
    if (!Arrays.equals(getDimensions(), right.getDimensions())) {
        throw new IllegalArgumentException(
                Arrays.toString(getDimensions()) + " != " + Arrays.toString(right.getDimensions()));
    }
    @Nonnull
    final Tensor copy = new Tensor(getDimensions());
    @Nullable
    final double[] thisData = getData();
    @Nullable
    final double[] rightData = right.getData();
    Arrays.parallelSetAll(copy.getData(), i -> thisData[i] - rightData[i]);
    return copy;
}

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From source file:com.simiacryptus.mindseye.lang.Tensor.java

/**
 * Set tensor./*w  ww .  j ava 2 s .  c  o  m*/
 *
 * @param f the f
 * @return the tensor
 */
@Nonnull
public Tensor set(@Nonnull final IntToDoubleFunction f) {
    Arrays.parallelSetAll(getData(), f);
    return this;
}

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From source file:com.simiacryptus.mindseye.lang.Tensor.java

/**
 * Set./* w w w  .j a  v a  2 s  . co m*/
 *
 * @param right the right
 * @return the tensor
 */
public Tensor set(@Nonnull final Tensor right) {
    assertAlive();
    assert length() == right.length();
    @Nullable
    final double[] rightData = right.getData();
    Arrays.parallelSetAll(getData(), i -> rightData[i]);
    return this;
}

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From source file:org.apache.sysml.runtime.matrix.data.LibMatrixNative.java

public static void fromFloatBuffer(FloatBuffer buff, double[] output) {
    Arrays.parallelSetAll(output, i -> (double) buff.get(i));
}

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