Example usage for java.util.function ToDoubleFunction applyAsDouble

Introduction

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

Prototype

double applyAsDouble(T value);

Source Link

Document

Applies this function to the given argument.

Usage

From source file:org.briljantframework.array.AbstractArray.java

@Override
public DoubleArray asDouble(ToDoubleFunction<? super T> to, DoubleFunction<T> from) {
    return new AsDoubleArray(getArrayFactory(), getOffset(), getShape(), getStride(), getMajorStrideIndex()) {
        @Override/*from w  ww  .  j  av a2  s .c o  m*/
        protected double getElement(int i) {
            return to.applyAsDouble(AbstractArray.this.getElement(i));
        }

        @Override
        protected void setElement(int i, double value) {
            AbstractArray.this.setElement(i, from.apply(value));
        }

        @Override
        protected int elementSize() {
            return AbstractArray.this.elementSize();
        }
    };
}

From source file:org.briljantframework.array.AbstractComplexArray.java

@Override
public DoubleArray mapToDouble(ToDoubleFunction<Complex> function) {
    DoubleArray matrix = factory.newDoubleArray(getShape());
    for (int i = 0; i < size(); i++) {
        matrix.set(i, function.applyAsDouble(get(i)));
    }/*from w w  w. j av a 2s  .  co  m*/
    return matrix;
}

From source file:org.briljantframework.array.AbstractDoubleArray.java

@Override
public void assign(ComplexArray array, ToDoubleFunction<? super Complex> function) {
    array = ShapeUtils.broadcastIfSensible(this, array);
    Check.size(this, array);
    for (int i = 0; i < size(); i++) {
        set(i, function.applyAsDouble(array.get(i)));
    }/*  w  ww .ja v  a2  s.c  o  m*/
}

From source file:org.briljantframework.array.AbstractDoubleArray.java

@Override
public DoubleArray reduceVectors(int dim, ToDoubleFunction<? super DoubleArray> reduce) {
    Check.argument(dim < dims(), INVALID_DIMENSION, dim, dims());
    DoubleArray reduced = newEmptyArray(ArrayUtils.remove(getShape(), dim));
    int vectors = vectors(dim);
    for (int i = 0; i < vectors; i++) {
        double value = reduce.applyAsDouble(getVector(dim, i));
        reduced.set(i, value);/* ww w. j av  a  2s  . c  o m*/
    }
    return reduced;
}